제출 #571850

#제출 시각아이디문제언어결과실행 시간메모리
571850FerThugGato12500괄호 문자열 (CEOI16_match)C++17
0 / 100
1 ms212 KiB
#include<bits/stdc++.h>
using namespace std;


int main()
{
    string s; cin>>s;
    int n = s.size();
    stack<int> lst;
    int D = 0;
    string B = "";

    for(int i = 0; i < n; i++){
        if(!lst.size() || s[i]!=s[lst.top()]){
            lst.push(i);
            B+='(';
            D++;
        }else{
            lst.pop();
            B+=')';
            D--;
        }
    }
    cout << (D!=0 ? "-1" : B);
    return 0;
}
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