夢多了，就會是現實

#include <stdio.h>
#include <future>
using namespace std;
int main()
{
	double START, END;
	START = clock();

	//	[Your code here..]

	END = clock();

	char szTime[100];
	sprintf_s(szTime, 100, "Execute time : %lf - %lf = %lf \n",END, START, END - START);
	printf_s(szTime);

	system("PAUSE");
}