#include <stdio.h>
#include <string.h>

#define MAX_STRING 200

int main(void) {
	char str[MAX_STRING] = { 0 };
	int i = 0;
	int length = 0;
	int count = 0;

	/* 打印原字符数组 */
	puts("Input original String:");
	gets(str);

	length = strlen(str);

	/* 统计单词个数 */
	for (i = 0; i < length; ++i) {
		if (str[i] != ' ') { /* 单词开始 */
			++count;
			while (' ' != str[i] && '\0' != str[i]) /* 单词结束 */
				++i;
		}
	}

	printf("There are %d words in \"%s\".\n", count, str);

	return 0;
}