올바른 괄호

programmers.co.kr/learn/courses/30/lessons/12909

코딩테스트 연습 - 올바른 괄호

 

#include<string>
#include <iostream>

using namespace std;

bool solution(string s)
{
    bool answer = true;
    int open =0; 
    int close =0;
    for(int i=0; i<s.size(); i++){
        
        if(s[i]=='('){
            open++;
        }
        else{
            if(open==close){return false;}
            close++;
        }
    }

    if(close==open){answer =true;}
    else{answer=false;}
    return answer;
}