90求助!!!!!!!!!!!!!!! 代码:
查看原帖
90求助!!!!!!!!!!!!!!! 代码:
1346422
SBGL楼主2024/7/16 19:31
#include<bits/stdc++.h>
using namespace std;
int q,b,c=0;
string a;
int main(){
	cin>>a;
	q=a.size();
	for(int i=0;i<=q;++i){
		if(a[i]=='(') b++;	
		if(a[i]==')') c++;
	}
	if(a[0]==')' || a[q-2]=='('){
		cout<<"NO";
	}else{
		if(b==c){
			cout<<"YES";
		}else{
			cout<<"NO";
		}
	}
	return 0;
}
2024/7/16 19:31
加载中...