linux对拍模板

对拍

#include<bits/stdc++.h>
using namespace std;
using namespace std::chrono;

#define ll long long
#define ull unsigned long long

int main()
{
    system("g++ data.cpp -o data -O2");
    system("g++ force.cpp -o force -O2");
    system("g++ std.cpp -o std -O2");
    for(int i = 1; i <= 100000; ++i)
    {
        system("./data > data.out");
        auto t1 = steady_clock::now();
        system("./force < data.out > force.out");
        auto t2 = steady_clock::now();
        system("./std < data.out > std.out");
        auto t3 = steady_clock::now();
        auto my = duration_cast< duration< double, ratio<1, 1000> > > (t2 - t1);
        auto it = duration_cast< duration< double, ratio<1, 1000> > > (t3 - t2);
        if(system("diff force.out std.out"))
        {
            printf("Wrong answer on 测试点#%d\n", i);
            printf("my 用时: %.0lfms\n", my.count());
            printf("it 用时: %.0lfms\n", it.count());
            return 0;
        }else
        {
            printf("Accepted on 测试点#%d\n", i);
            printf("my 用时: %.0lfms\n", my.count());
            printf("it 用时: %.0lfms\n", it.count());
        }
    }
    return 0;
}