小工具-对拍程序

在mac上是好用的，别的没测试过

bf.cpp 就是 暴力解法 Example.cpp 就是代码

random.cpp 用来生成随机测试数据

所有的输入输出都直接用cin 和 cout 即可(printf 和 scanf也行)

/*
 * @Description: 
 * @Versions: 
 * @Author: Vernon Cui
 * @Github: https://github.com/vernon97
 * @Date: 2021-03-22 20:48:04
 * @LastEditors: Vernon Cui
 * @LastEditTime: 2021-03-22 21:23:26
 * @FilePath: /Projects/matcher.cpp
 */

#include <cstdlib>
#include <ctime>
#include <iostream>
const int N = 100; // 测试次数
const std::string bf = "../bf.cpp";
const std::string algo = "../Example.cpp";

/*
封装一下 `system`，支持 ctrl + c 退出整个对拍程序
https://stackoverflow.com/a/3771792/8242705
*/
int mySystem(const char* command) {
    int result = system(command);
    if (WIFEXITED(result)) {
        // printf("Exited normally with status %d\n", WEXITSTATUS(result));
    } else if (WIFSIGNALED(result)) {
        printf("Exited with signal %d\n", WTERMSIG(result));
        exit(1);
    } else {
        printf("Not sure how we exited.\n");
    }
    return result;
}

int main() {
    mySystem("g++ ../random.cpp -o random.out");
    mySystem(
        ("g++ -std=c++11 -o bf.out " + bf).c_str());
    mySystem(
        ("g++ -std=c++11 -o algo.out " + algo).c_str());
    for (int T = 1; T <= N; T++) {
        // 生成随机数据
        mySystem("./random.out > data.in");
        // 记录运行的 CPU 时间
        double st = clock();
        // 暴力解法输出正确答案
        mySystem("./bf.out < data.in > data.ans");
        double ed = clock();
        // 优化解法输出待检查答案
        mySystem("./algo.out < data.in > data.out");
        // return 0;
        if (mySystem("diff data.out data.ans")) {
            puts("\033[1;31mWrong Answer\033[0m");
            puts("\033[1;31m-----错误数据-------\033[0m");
            puts("输入: ");
            mySystem("cat data.in");
            return -1;
        } else {
            printf("\033[1;32mAccepted\033[0m, 测试点 #%d, 用时 %.01f\n", T, ed - st);
        }
    }
    return 0;
}