哪位大佬帮忙改一改？
by __Sam__ @ 2023-11-02 21:32:33
```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
string s;
int t=0;
cin>>s;
for(int i=0;i<s.size();i++){
if(s[i]=='(')t++;
if(s[i]==')')t--;
if(t<0){cout<<"NO";return 0;}
}
cout<<(!t?"YES":"NO");
return 0;
}
```
by derekyang326 @ 2023-11-02 21:35:55