Windows 对拍脚本

先上代码：

/*

checker.cpp

Copyright 2018 (c) WCIoQM&RA

作者：张子辰

邮箱：zichen350@gmail.com

建议的编译指令：g++.exe checker.cpp -o checker.exe -std=gnu++11 -O2

*/

#include <iostream>

#include <stdio.h>

#include <stdlib.h>

#include <string>

#include <sys/time.h>

#define System system

using namespace std;

int main()

{

    string name;

    string command = " -Wl,--stack=2147483648 -Wall";

    char tmp; string tmp2;

    int n;

    puts("Input problem name:");

    cin >> name;

    string namein = name + ".in", nameout = name + ".out";

    puts("Input the number of the test data:");

    cin >> n;

    puts("Enable O2 Optimization?(Y/N)");

    cin >> tmp;

    if (tmp == 'Y' || tmp == 'y')command += " -O2";

    puts("Language standard?(GNU++98/GNU++11/GNU++14/GNU++17)");

    cin >> tmp2;

    for (int i = 0; i<tmp2.length(); i++)if (tmp2[i] >= 'A'&&tmp2[i] <= 'Z')tmp2[i] += 32;

    if (tmp2 != "gnu++11"&&tmp2 != "gnu++14"&&tmp2 != "gnu++17")tmp2 = "gnu++98";

    command += " -std=" + tmp2;

    System(("g++.exe " + name + ".cpp" + " -o " + name + ".exe" + command).c_str());

    long long times = 0;

    long long total = 0;

    struct timeval start, end;

    for (int i = 1; i <= n; i++)

    {

       string name2 = name + to_string(i);

       string name2out = name2 + ".out", name2in = name2 + ".in";

       System(("ren " + name2in + " " + namein).c_str());

       gettimeofday(&start, NULL);

       System((".\\" + name).c_str());

       gettimeofday(&end, NULL);

       times = 1000000 * (end.tv_sec - start.tv_sec) + end.tv_usec - start.tv_usec;

       total += times;

       cout << "Test " << i << ": " << times / 1000.0 << "ms" << endl;

       System(("fc " + nameout + " " + name2out).c_str());

       System(("ren " + namein + " " + name2in).c_str());

    }

    cout << "Total: " << total / 1000.0 << "ms" << endl;

    return 0;

}

说明：目前只能对拍传统题，只支持C++，problem.cpp 对应的输入文件为problem.in，输出文件为problem.out，答案文件的格式为problem%d.in和problem%d.out，答案匹配模式为字符串匹配（过滤文件末位空行，但不过滤行末空格）。对拍时，请将对拍脚本、答案文件、程序文件放在同一目录下。

如对对拍脚本的使用方法有任何疑问，请在评论区留言。

如发现对拍脚本的漏洞，亦欢迎读者批评指正。