C++跑程序所花时间

#include <ctime>#include <iostream>using namespace std;int main(){    clock_t s,f;    s=clock();    // Insert the code you want to calculate the total time.    f=clock();    double d=(double)(f-s)/CLOCKS_PER_SEC;    cout<<"The total time is: "<<d<<"s"<<endl;    return 0;}

代码如上：