随机数

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define INF 0x3f3f3f3f3f3f3f3f
int rd(int l,int r){
	int x=rand()%(r-l+1)+l;
	return x;
}
signed main(){
	srand(time(0));
	int n=rd(1,10);
	cout<<n<<endl;
	return 0;
} 

对拍

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define INF 0x3f3f3f3f3f3f3f3f
signed main(){
	while(1){
		system("sj.exe>in.txt");
		system("sbl.exe<in.txt>s1.txt");
		system("so3.exe<in.txt>s2.txt");
		if(system("fc s1.txt s2.txt"))break;
	}
	return 0;
}