// 实例化一个STL队列
#include <queue>
#include <list>

int main() {
	using namespace std;

	// A queue of integers
	queue<int> qIntegers;

	// A queue of doubles
	queue<double> qDoubles;

	// A queue of doubles stored internally in a list
	queue<double, list<double> > qDoublesInList;

	return 0;
}