Submission #1117845

#	Time	Username	Problem	Language	Result	Execution time	Memory
1117845		vjudge1	괄호 문자열 (CEOI16_match)	C++17	0 / 100	1 ms	336 KiB

match

// Author RufatM
#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007
#define INF 1e9+7
#define ll long long
#define ull unsigned long long
#define vi vector<int>
#define vii vector<vector<int>>
#define mii map<int,int>
#define pb push_back
#define pii pair<ll,int>
#define all(a) a.begin(),a.end()
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
signed main(){
    int t=1;
    //cin >> t;
    while(t--){
    fastio;
    string S;
    cin >> S;
    int N = S.length();
    vector<char> B(N);
    stack<pair<char,int>> st;
    for(int i = 0; i < N; i++) {
        char c = S[i];
        if(!st.empty() && st.top().first == c) {
            B[st.top().second] = '(';
            B[i] = ')';
            st.pop();
        } else {
            st.push({c, i});
        }
    }
    if(!st.empty()) {
        cout << "-1\n";
        return 0;
    }
    int balance = 0;
    for(int i = 0; i < N; i++) {
        if(B[i] == '(') balance++;
        else if(B[i] == ')') balance--;
        else {
            cout << "-1\n";
            return 0;
        }
        if(balance < 0) {
            cout << "-1\n";
            return 0;
        }
    }
    if(balance != 0) {
        cout << "-1\n";
        return 0;
    }
    for(int i = 0; i < N; i++) {
        cout << B[i];
    }
    cout << '\n';
    }
}
//Allahim insallah tle vermez
//Yasasin Yaxsi Kiwiler
//Yasasin Info Azerbaijan

• Subtask 1: 0 / 10
• Subtask 2: 0 / 27
• Subtask 3: 0 / 63