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    <title>贪吃蛇完整版 c语言游戏 - Code666 (代码贴、代码片段)</title>
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    <title>Re: 贪吃蛇完整版 c语言游戏</title>
    <link>http://www.code666.cn/view/c320638e</link>
    <pubDate>Thu, 07 Mar 2024 21:24:16 +0800</pubDate>
    <dc:creator>Thundering Iguana</dc:creator>
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    <description><![CDATA[// 必要的头文件 #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; #include &lt;conio.h&gt; #include &lt;time.h&gt; #include &lt;windows.h&gt; #include &lt;string.h&gt; // 定义标记上下左右的明示常量 #define UP 1 #define&#8230;]]></description>
    <content:encoded><![CDATA[<div class="c" style="font-family:monospace;"><ol><li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #666666; font-style: italic;">// 必要的头文件 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#include &lt;stdio.h&gt;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#include &lt;stdlib.h&gt;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#include &lt;conio.h&gt;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#include &lt;time.h&gt;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#include &lt;windows.h&gt;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#include &lt;string.h&gt;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #666666; font-style: italic;">// 定义标记上下左右的明示常量 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#define UP 1</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#define DOWN 2</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#define LEFT 3</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#define RIGHT 4</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#define ESC 5 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #339933;">#define FOOD 10</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #666666; font-style: italic;">// 定义表示位置的结构体类型</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">typedef</span> <span style="color: #993333;">struct</span> snake<span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">int</span> x<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">int</span> y<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">struct</span> snake <span style="color: #339933;">*</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span>snake<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #666666; font-style: italic;">// 定义全局变量 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> score <span style="color: #339933;">=</span> <span class="nu0">0</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 当前得分</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> speed <span style="color: #339933;">=</span> <span class="nu0">200</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 存储当前速度</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> status<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">snake <span style="color: #339933;">*</span>tail<span style="color: #339933;">,</span> <span style="color: #339933;">*</span>head<span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 存储蛇头蛇尾 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">snake <span style="color: #339933;">*</span>food<span style="color: #339933;">,</span> <span style="color: #339933;">*</span>q<span style="color: #339933;">;</span><span style="color: #666666; font-style: italic;">// q用于遍历链表 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">HANDLE hOUT<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> gotoxy<span style="color: #009900;">&#40;</span><span style="color: #993333;">int</span> x<span style="color: #339933;">,</span> <span style="color: #993333;">int</span> y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 设置光标位置 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> choice<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 载入游戏界面</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> color<span style="color: #009900;">&#40;</span><span style="color: #993333;">int</span> c<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 设置字体颜色 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printGame<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 打印游戏界面 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printSnake<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 打印蛇身</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printFood<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 打印食物</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printTips<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 打印提示</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> snakeMove<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 主操作函数 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> biteSelf<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 判断是否咬到了自己</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> encounterWall<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 判断是否撞墙 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> keyboardControl<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 获取击键 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> speedUp<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 加速</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> speedDown<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 减速</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> endGame<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 结束函数; </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">char</span> <span style="color: #339933;">*</span>s_gets<span style="color: #009900;">&#40;</span><span style="color: #993333;">char</span> <span style="color: #339933;">*</span>st<span style="color: #339933;">,</span> <span style="color: #993333;">int</span> n<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 读取字符</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> frees<span style="color: #009900;">&#40;</span>snake <span style="color: #339933;">*</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 释放内存 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> main<span style="color: #009900;">&#40;</span><span style="color: #993333;">int</span> argc<span style="color: #339933;">,</span> <span style="color: #993333;">char</span> <span style="color: #339933;">*</span>argv<span style="color: #009900;">&#91;</span><span style="color: #009900;">&#93;</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span><span class="nu0">1</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>choice<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">==</span> <span class="nu0">1</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; keyboardControl<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">5</span><span style="color: #339933;">,</span> <span class="nu0">15</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;按任意键返回&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/getchar.html"><span style="color: #000066;">getchar</span></a><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 去除前一个前导换行 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span><span class="nu0">1</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/getchar.html"><span style="color: #000066;">getchar</span></a><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #000000; font-weight: bold;">break</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; frees<span style="color: #009900;">&#40;</span>head<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">return</span> <span class="nu0">0</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> gotoxy<span style="color: #009900;">&#40;</span><span style="color: #993333;">int</span> x<span style="color: #339933;">,</span> <span style="color: #993333;">int</span> y<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; COORD c<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; c.<span class="nu19">X</span> <span style="color: #339933;">=</span> x<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; c.<span class="nu19">Y</span> <span style="color: #339933;">=</span> y<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; SetConsoleCursorPosition<span style="color: #009900;">&#40;</span>GetStdHandle<span style="color: #009900;">&#40;</span>STD_OUTPUT_HANDLE<span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> c<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> choice<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">int</span> yourchoice<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 画出界面 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">35</span><span style="color: #339933;">,</span> <span class="nu0">5</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;<span style="color: #000099; font-weight: bold;">\t</span>贪吃蛇大作战<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;<span style="color: #000099; font-weight: bold;">\t</span><span style="color: #000099; font-weight: bold;">\t</span>★★★★★★★★ &nbsp;Snake!&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;<span style="color: #000099; font-weight: bold;">\t</span><span style="color: #000099; font-weight: bold;">\t</span>★★★★★★★★ &nbsp;Snake!&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">25</span><span style="color: #339933;">,</span> <span class="nu0">15</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">12</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;1.进入游戏<span style="color: #000099; font-weight: bold;">\t</span>2.查看说明<span style="color: #000099; font-weight: bold;">\t</span>3.退出游戏<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;请选择:&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/scanf.html"><span style="color: #000066;">scanf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;%d&quot;</span><span style="color: #339933;">,</span> <span style="color: #339933;">&amp;</span>yourchoice<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">switch</span> <span style="color: #009900;">&#40;</span>yourchoice<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">case</span> <span class="nu0">1</span><span style="color: #339933;">:</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 初始化 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printGame<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printSnake<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printFood<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #000000; font-weight: bold;">break</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">case</span> <span class="nu0">2</span><span style="color: #339933;">:</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printTips<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #000000; font-weight: bold;">break</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">case</span> <span class="nu0">3</span><span style="color: #339933;">:</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">30</span><span style="color: #339933;">,</span> <span class="nu0">10</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;Bye!&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/exit.html"><span style="color: #000066;">exit</span></a><span style="color: #009900;">&#40;</span><span class="nu0">0</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">default</span><span style="color: #339933;">:</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;没有此序号,请输入1,2或3<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">2000</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">return</span> yourchoice<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> color<span style="color: #009900;">&#40;</span><span style="color: #993333;">int</span> c<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; SetConsoleTextAttribute<span style="color: #009900;">&#40;</span>GetStdHandle<span style="color: #009900;">&#40;</span>STD_OUTPUT_HANDLE<span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> c<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> &nbsp; &nbsp; &nbsp; &nbsp;<span style="color: #666666; font-style: italic;">//更改文字颜色</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">return</span> <span class="nu0">0</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printGame<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">int</span> i<span style="color: #339933;">,</span> j<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">5</span><span style="color: #339933;">,</span> <span class="nu0">5</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;游戏载入中...请稍后&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">2000</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 打印上下界面</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">for</span> <span style="color: #009900;">&#40;</span>i <span style="color: #339933;">=</span> <span class="nu0">0</span><span style="color: #339933;">;</span> i <span style="color: #339933;">&lt;=</span> <span class="nu0">50</span><span style="color: #339933;">;</span> i <span style="color: #339933;">+=</span> <span class="nu0">2</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>i<span style="color: #339933;">,</span> <span class="nu0">0</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;□&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>i<span style="color: #339933;">,</span> <span class="nu0">25</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;□&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 打印左右界面</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">for</span> <span style="color: #009900;">&#40;</span>i <span style="color: #339933;">=</span> <span class="nu0">0</span><span style="color: #339933;">;</span> i <span style="color: #339933;">&lt;=</span> <span class="nu0">25</span><span style="color: #339933;">;</span> i <span style="color: #339933;">+=</span> <span class="nu0">1</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">0</span><span style="color: #339933;">,</span> i<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;□&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">50</span><span style="color: #339933;">,</span> i<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;□&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 打印中间网格</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">for</span> <span style="color: #009900;">&#40;</span>i <span style="color: #339933;">=</span> <span class="nu0">1</span><span style="color: #339933;">;</span> i <span style="color: #339933;">&lt;=</span> <span class="nu0">24</span><span style="color: #339933;">;</span> i <span style="color: #339933;">+=</span> <span class="nu0">1</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">for</span> <span style="color: #009900;">&#40;</span>j <span style="color: #339933;">=</span> <span class="nu0">2</span><span style="color: #339933;">;</span> j <span style="color: #339933;">&lt;=</span> <span class="nu0">48</span><span style="color: #339933;">;</span> j <span style="color: #339933;">+=</span> <span class="nu0">2</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>j<span style="color: #339933;">,</span> i<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;■&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 打印右侧的规则和计分栏</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;当前分数:%d分,当前速度%d&quot;</span><span style="color: #339933;">,</span> score<span style="color: #339933;">,</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">15</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;用↑ ↓ ← →分别控制蛇的移动<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">18</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;每次获取食物加10分 &nbsp;按下F1加速,F2减速,空格暂停<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">20</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;不能撞墙和咬到自己!&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">22</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;速度不低于100,不高于300&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printSnake<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">int</span> i<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 设定蛇尾(16,13),头插入,初始向右 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; tail <span style="color: #339933;">=</span> <span style="color: #009900;">&#40;</span>snake<span style="color: #339933;">*</span><span style="color: #009900;">&#41;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/malloc.html"><span style="color: #000066;">malloc</span></a><span style="color: #009900;">&#40;</span><span style="color: #993333;">sizeof</span><span style="color: #009900;">&#40;</span>snake<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; tail<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> <span class="nu0">16</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; tail<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">=</span> <span class="nu0">13</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; tail<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> NULL<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 设定初始蛇长是4</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">for</span> <span style="color: #009900;">&#40;</span>i <span style="color: #339933;">=</span> <span class="nu0">1</span><span style="color: #339933;">;</span> i <span style="color: #339933;">&lt;=</span> <span class="nu0">4</span><span style="color: #339933;">;</span> i<span style="color: #339933;">++</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head <span style="color: #339933;">=</span> <span style="color: #009900;">&#40;</span>snake<span style="color: #339933;">*</span><span style="color: #009900;">&#41;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/malloc.html"><span style="color: #000066;">malloc</span></a><span style="color: #009900;">&#40;</span><span style="color: #993333;">sizeof</span><span style="color: #009900;">&#40;</span>snake<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> tail<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> <span class="nu0">16</span> <span style="color: #339933;">+</span> <span class="nu0">2</span> <span style="color: #339933;">*</span> i<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">=</span> <span class="nu0">13</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; tail <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 头成为尾</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 输出蛇身</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>tail<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>tail<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> tail<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; tail <span style="color: #339933;">=</span> tail<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printFood<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/srand.html"><span style="color: #000066;">srand</span></a><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#40;</span><span style="color: #993333;">unsigned</span><span style="color: #009900;">&#41;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/time.html"><span style="color: #000066;">time</span></a><span style="color: #009900;">&#40;</span>NULL<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 利用时钟修改种子 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; food <span style="color: #339933;">=</span> <span style="color: #009900;">&#40;</span>snake<span style="color: #339933;">*</span><span style="color: #009900;">&#41;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/malloc.html"><span style="color: #000066;">malloc</span></a><span style="color: #009900;">&#40;</span><span style="color: #993333;">sizeof</span><span style="color: #009900;">&#40;</span>snake<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> <span class="nu0">1</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 初始化x坐标 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">%</span> <span class="nu0">2</span> <span style="color: #339933;">&amp;&amp;</span> food<span style="color: #339933;">-&gt;</span>x<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> <a href="http://www.opengroup.org/onlinepubs/009695399/functions/rand.html"><span style="color: #000066;">rand</span></a><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">%</span> <span class="nu0">46</span> <span style="color: #339933;">+</span> <span class="nu0">2</span><span style="color: #339933;">;</span><span style="color: #666666; font-style: italic;">// 2-48 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; food<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">=</span> <a href="http://www.opengroup.org/onlinepubs/009695399/functions/rand.html"><span style="color: #000066;">rand</span></a><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">%</span> <span class="nu0">23</span> <span style="color: #339933;">+</span> <span class="nu0">1</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 1-24 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 不改变头遍历链表 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">&amp;&amp;</span> q<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>food<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printFood<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>food<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> food<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">12</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;●&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #000000; font-weight: bold;">break</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> printTips<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;**************Tips***************<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;* 采用合理的速度可以获得更高的分数哦!<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;* 一定不要撞到自己或者两边的墙!<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;* 空格暂停 &nbsp;ESC退出 &nbsp;F1加速 &nbsp; F2减速<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;* 游戏过程中按ESC退出游戏!<span style="color: #000099; font-weight: bold;">\n</span>&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> snakeMove<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; snake <span style="color: #339933;">*</span>snakenext<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; snakenext <span style="color: #339933;">=</span> <span style="color: #009900;">&#40;</span>snake<span style="color: #339933;">*</span><span style="color: #009900;">&#41;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/malloc.html"><span style="color: #000066;">malloc</span></a><span style="color: #009900;">&#40;</span><span style="color: #993333;">sizeof</span><span style="color: #009900;">&#40;</span>snake<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>biteSelf<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;咬到自己啦!&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>snakenext<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">1500</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/exit.html"><span style="color: #000066;">exit</span></a><span style="color: #009900;">&#40;</span><span class="nu0">0</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>encounterWall<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;撞到墙啦!&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>snakenext<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">1500</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/exit.html"><span style="color: #000066;">exit</span></a><span style="color: #009900;">&#40;</span><span class="nu0">0</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 前两个条件判断完成才开始移动 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">350</span> <span style="color: #339933;">-</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>status <span style="color: #339933;">==</span> UP<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">-</span> <span class="nu0">1</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head <span style="color: #339933;">=</span> snakenext<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">&amp;&amp;</span> snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; score <span style="color: #339933;">+=</span> FOOD<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;当前分数:%d分,当前速度%d&quot;</span><span style="color: #339933;">,</span> score<span style="color: #339933;">,</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printFood<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;■&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> NULL<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>status <span style="color: #339933;">==</span> DOWN<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">+</span> <span class="nu0">1</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head <span style="color: #339933;">=</span> snakenext<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">&amp;&amp;</span> snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; score <span style="color: #339933;">+=</span> FOOD<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;当前分数:%d分,当前速度%d&quot;</span><span style="color: #339933;">,</span> score<span style="color: #339933;">,</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printFood<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;■&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> NULL<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>status <span style="color: #339933;">==</span> LEFT<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">-</span> <span class="nu0">2</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>y<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head <span style="color: #339933;">=</span> snakenext<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">&amp;&amp;</span> snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; score <span style="color: #339933;">+=</span> FOOD<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;当前分数:%d分,当前速度%d&quot;</span><span style="color: #339933;">,</span> score<span style="color: #339933;">,</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printFood<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;■&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> NULL<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>status <span style="color: #339933;">==</span> RIGHT<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">+</span> <span class="nu0">2</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>y<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakenext<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; head <span style="color: #339933;">=</span> snakenext<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> head<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>snakenext<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">&amp;&amp;</span> snakenext<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> food<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; score <span style="color: #339933;">+=</span> FOOD<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;当前分数:%d分,当前速度%d&quot;</span><span style="color: #339933;">,</span> score<span style="color: #339933;">,</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; printFood<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">14</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;★&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>x<span style="color: #339933;">,</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; color<span style="color: #009900;">&#40;</span><span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;■&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q<span style="color: #339933;">-&gt;</span>next <span style="color: #339933;">=</span> NULL<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> biteSelf<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">int</span> x <span style="color: #339933;">=</span> <span class="nu0">0</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 默认未咬到自己</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> head<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">// 遍历蛇身 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>next<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>q<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> head<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">&amp;&amp;</span> q<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> head<span style="color: #339933;">-&gt;</span>y<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x <span style="color: #339933;">=</span> <span class="nu0">1</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; q <span style="color: #339933;">=</span> q<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">return</span> x<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> encounterWall<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">int</span> x <span style="color: #339933;">=</span> <span class="nu0">0</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 默认未撞到墙</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>head<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> <span class="nu0">0</span> <span style="color: #339933;">||</span> head<span style="color: #339933;">-&gt;</span>x <span style="color: #339933;">==</span> <span class="nu0">50</span> <span style="color: #339933;">||</span> head<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> <span class="nu0">0</span> <span style="color: #339933;">||</span> head<span style="color: #339933;">-&gt;</span>y <span style="color: #339933;">==</span> <span class="nu0">25</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x <span style="color: #339933;">=</span> <span class="nu0">1</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">return</span> x<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> keyboardControl<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; status <span style="color: #339933;">=</span> RIGHT<span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 初始蛇向右移动</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span><span class="nu0">1</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_UP<span style="color: #009900;">&#41;</span> <span style="color: #339933;">&amp;&amp;</span> status <span style="color: #339933;">!=</span> DOWN<span style="color: #009900;">&#41;</span> <span style="color: #666666; font-style: italic;">// GetAsyncKeyState函数用来判断函数调用时指定虚拟键的状态</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; status <span style="color: #339933;">=</span> UP<span style="color: #339933;">;</span> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #666666; font-style: italic;">//如果蛇不是向下前进的时候，按上键，执行向上前进操作</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_DOWN<span style="color: #009900;">&#41;</span> <span style="color: #339933;">&amp;&amp;</span> status <span style="color: #339933;">!=</span> UP<span style="color: #009900;">&#41;</span> <span style="color: #666666; font-style: italic;">// 如果蛇不是向上前进的时候，按下键，执行向下前进操作</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; status <span style="color: #339933;">=</span> DOWN<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_LEFT<span style="color: #009900;">&#41;</span> <span style="color: #339933;">&amp;&amp;</span> status <span style="color: #339933;">!=</span> RIGHT<span style="color: #009900;">&#41;</span> <span style="color: #666666; font-style: italic;">// 如果蛇不是向右前进的时候，按左键，执行向左前进</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; status <span style="color: #339933;">=</span> LEFT<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_RIGHT<span style="color: #009900;">&#41;</span> <span style="color: #339933;">&amp;&amp;</span> status <span style="color: #339933;">!=</span> LEFT<span style="color: #009900;">&#41;</span> <span style="color: #666666; font-style: italic;">// 如果蛇不是向左前进的时候，按右键，执行向右前进</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; status <span style="color: #339933;">=</span> RIGHT<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_SPACE<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span><span style="color: #666666; font-style: italic;">// 空格暂停 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span><span class="nu0">1</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">300</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_SPACE<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span> <span style="color: #666666; font-style: italic;">// 再次按空格改变状态 </span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #000000; font-weight: bold;">break</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_ESCAPE<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; status <span style="color: #339933;">=</span> ESC<span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">// 按esc键,直接到结束界面</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>endGame<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">500</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #000000; font-weight: bold;">break</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_F1<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span> <span style="color: #666666; font-style: italic;">// 按F1键，加速</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; speedUp<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;当前分数:%d分,当前速度%d&quot;</span><span style="color: #339933;">,</span> score<span style="color: #339933;">,</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>GetAsyncKeyState<span style="color: #009900;">&#40;</span>VK_F2<span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span> <span style="color: #666666; font-style: italic;">// 按F2键，减速</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; speedDown<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">13</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;当前分数:%d分,当前速度%d&quot;</span><span style="color: #339933;">,</span> score<span style="color: #339933;">,</span> speed<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; snakeMove<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> speedUp<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>speed <span style="color: #339933;">&lt;=</span> <span class="nu0">280</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; speed <span style="color: #339933;">+=</span> <span class="nu0">20</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> speedDown<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>speed <span style="color: #339933;">&gt;=</span> <span class="nu0">120</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; speed <span style="color: #339933;">-=</span> <span class="nu0">20</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">int</span> endGame<span style="color: #009900;">&#40;</span><span style="color: #993333;">void</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">char</span> x <span style="color: #339933;">=</span> <span class="nu0">0</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">char</span> judge<span style="color: #009900;">&#91;</span><span class="nu0">5</span><span style="color: #009900;">&#93;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/getchar.html"><span style="color: #000066;">getchar</span></a><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">9</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;确定退出吗?(Yes/No)&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; s_gets<span style="color: #009900;">&#40;</span>judge<span style="color: #339933;">,</span> <span class="nu0">5</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/strcmp.html"><span style="color: #000066;">strcmp</span></a><span style="color: #009900;">&#40;</span>judge<span style="color: #339933;">,</span> <span style="color: #ff0000;">&quot;Yes&quot;</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">==</span> <span class="nu0">0</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sleep<span style="color: #009900;">&#40;</span><span class="nu0">250</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/system.html"><span style="color: #000066;">system</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;cls&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">40</span><span style="color: #339933;">,</span> <span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html"><span style="color: #000066;">printf</span></a><span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;<span style="color: #000099; font-weight: bold;">\t</span>Bye!&quot;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x <span style="color: #339933;">=</span> <span class="nu0">1</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x <span style="color: #339933;">=</span> <span class="nu0">0</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">return</span> x<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">char</span> <span style="color: #339933;">*</span>s_gets<span style="color: #009900;">&#40;</span><span style="color: #993333;">char</span> <span style="color: #339933;">*</span>st<span style="color: #339933;">,</span> <span style="color: #993333;">int</span> n<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">char</span> <span style="color: #339933;">*</span>ret_val<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #993333;">char</span> <span style="color: #339933;">*</span>find<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; gotoxy<span style="color: #009900;">&#40;</span><span class="nu0">60</span><span style="color: #339933;">,</span> <span class="nu0">11</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; ret_val <span style="color: #339933;">=</span> <a href="http://www.opengroup.org/onlinepubs/009695399/functions/fgets.html"><span style="color: #000066;">fgets</span></a><span style="color: #009900;">&#40;</span>st<span style="color: #339933;">,</span> n<span style="color: #339933;">,</span> stdin<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>ret_val<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; find <span style="color: #339933;">=</span> <a href="http://www.opengroup.org/onlinepubs/009695399/functions/strchr.html"><span style="color: #000066;">strchr</span></a><span style="color: #009900;">&#40;</span>st<span style="color: #339933;">,</span> <span style="color: #ff0000;">'<span style="color: #000099; font-weight: bold;">\n</span>'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span>find<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #339933;">*</span>find <span style="color: #339933;">=</span> <span style="color: #ff0000;">'<span style="color: #006699; font-weight: bold;">\0</span>'</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">else</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span><a href="http://www.opengroup.org/onlinepubs/009695399/functions/getchar.html"><span style="color: #000066;">getchar</span></a><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">!=</span> <span style="color: #ff0000;">'<span style="color: #000099; font-weight: bold;">\n</span>'</span><span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">continue</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">return</span> ret_val<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #993333;">void</span> frees<span style="color: #009900;">&#40;</span>snake <span style="color: #339933;">*</span>s<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; snake <span style="color: #339933;">*</span>current <span style="color: #339933;">=</span> s<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp;</div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">while</span> <span style="color: #009900;">&#40;</span>current<span style="color: #009900;">&#41;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#123;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; current <span style="color: #339933;">=</span> s<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; s <span style="color: #339933;">=</span> current<span style="color: #339933;">-&gt;</span>next<span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/free.html"><span style="color: #000066;">free</span></a><span style="color: #009900;">&#40;</span>current<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;">&nbsp; &nbsp; &nbsp; &nbsp; <span style="color: #009900;">&#125;</span></div></li>
<li style="font-weight: normal; vertical-align:top;"><div style="font: normal normal 1em/1.2em monospace; margin:0; padding:0; background:none; vertical-align:top;"><span style="color: #009900;">&#125;</span></div></li>
</ol></div>]]></content:encoded>
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