模板——其它

#include<bits/stdc++.h>
using namespace std;
ifstream a,b;
int main(){
	for(int i=0;;i++){
		if(i%10==0)cerr<<i<<endl;
		system("datamaker.exe > data.txt");
		system("A.exe < data.txt > a.out");
		system("B.exe < data.txt > b.out");
		a.open("a.out");
		b.open("b.out");
		while(a.good() || b.good()){
			if(a.get()!=b.get()){
				system("pause");
				return 0;
			}
		}
		a.close(),b.close();
	}
}