【对拍】

#include <cstdlib>
#include <cstdio>
#include <ctime>
int cnt;
int main(){
	while(1){
		system("random.exe>data.in");
		system("stand.exe<data.in>data.ans");
		system("test.exe<data.in>data.out");
		if(system("fc data.out data.ans")){
			puts("WA");
			return 0;
		}
		else printf("%d\n",cnt++);
	}
}