给付MC的代码

#include<bits/stdc++.h>
#include<windows.h>
using namespace std;
int main()
{
	int p1,p2,s1,s2,retry=0;
	string str[4]={"\0","石头","剪刀","布"};
	do
	{
		s1=s2=0;
		int times;
		cout<<"玩几局?\n";
		cin>>times;
		for(int i=1;i<=times;i++)
		{
			system("cls");
			cout<<"1.石头\n"<<"2.剪刀\n"<<"3.布\n";
			do{cin>>p1;}while(p1>3||p1<1);
			cout<<str[p1]<<'\n';
			system("pause");
			system("cls");
			cout<<"1.石头\n"<<"2.剪刀\n"<<"3.布\n";
			do{cin>>p2;}while(p2>3||p2<1);
			cout<<str[p2]<<'\n';
			system("pause");
			system("cls");
			switch((p1-p2+3)%3)
			{
				case 0: cout<<s1<<" : "<<s2<<'\n'; break; 
				case 1: cout<<s1<<" : "<<++s2<<'\n'; break; 
				case 2: cout<<++s1<<" : "<<s2<<'\n'; break; 
			}
			system("pause");
			system("cls");
			if(s1==times/2+1||s2==times/2+1) break;
		}
		if(s1>s2) cout<<"P1赢了!";
		else if(s1>s2) cout<<"P2赢了!";
		else cout<<"平局!";
		cout<<"\n再来?(Y/N)";
		char ch;
		do{cin>>ch;}while(ch!='Y'&&ch!='N');
		if(ch=='Y')
		{
			retry=1;
			system("cls");
		}
		else retry=0;
	}while(retry);
	return 0;
}