#include<bits/stdc++.h>
using namespace std;
int main()
{
char a,b;
cin>>a>>b;
if((a=='s'&&b=='r')||(a=='r'&&b=='p')||(a=='p'&&b=='s'))
cout<<"lose";
else if((a=='r'&&b=='s')||(a=='p'&&b=='r')||(a=='s'&&b=='p'))
cout<<"win";
else if(a==b)
cout<<"draw";
return 0;}

做出来了，表示打字很麻烦（对我不友好）

#include<bits/stdc++.h> using namespace std; int main() { char a,b; cin>>a>>b; if((a=='s'&&b=='r')||(a=='r'&&b=='p')||(a=='p'&&b=='s')) cout<<"lose"; else if((a=='r'&&b=='s')||(a=='p'&&b=='r')||(a=='s'&&b=='p')) cout<<"win"; else if(a==b) cout<<"draw"; return 0; }

#include<bits/stdc++.h> using namespace std; int main() { char a,b; cin>>a>>b; if(a=='s'&&b=='r'||a=='r'&&b=='p'||a=='p'&&b=='s') cout<<"lose"; else if(a=='r'&&b=='s'||a=='p'&&b=='r'||a=='s'&&b=='p') cout<<"win"; else if(a==b) cout<<"draw"; return 0; }