freopen("data.in","r",stdout);
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a1,a2,b1,b2;
while (1)
{
system("data.exe > data.in");//data.exe 生成数据
a1=clock();
system("program.exe < data.in > program.out");
a2=clock();
b1=clock();
system("std.exe < data.in > std.out");
b2=clock();
cout<<"t1="<<a2-a1<<"ms"<<endl<<"t2="<<b2-b1<<"ms"<<endl;
if (system("fc program.out std.out")) system("pause");
}
}