我之前一直是用.bat文件进行对拍，代码如下:
@echo off :rep echo running SJ.exe SJ.exe > 11input.in echo running bc.exe bc.exe < 11input.in > 12bc.out echo running me.exe me.exe < 11input.in > 12me.out fc 12me.out 12bc.out > nul if not errorlevel 1 goto rep
但有一个我很想实现的功能：对拍时显示运行时间
于是今天考试的时候折腾了一下，搞出了下面这个东西：
#include<iostream>
#include<cstdio>
#include<ctime>
#include<cstdlib>
#include<windows.h>
using namespace std;
int main(){
time_t a,b;
while (true) {
system("SJ.exe > 11input.in");
a = clock();
system("bc.exe < 11input.in > 12bc.out");
b = clock(); printf("bc.exe cost %dms\n",b-a);
a = clock();
system("me.exe < 11input.in > 12me.out");
b = clock(); printf("me.exe cost %dms\n",b-a);
int tmp = system("fc 12bc.out 12me.out > result.txt");
if (tmp == 1) system("taskkill /F /IM check.exe");
cout<<endl<<endl;
}
return 0;
}
主要是应用了clock()和system()函数
要背住的东西也只有：”taskkill /F /IM check.exe”
运行效果如下：
感觉很不错，用了多少时间一目了然
因为调用了system()所以时间不是特别准，需要减去20ms的样子
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