Submission #571850

#	Time	Username	Problem	Language	Result	Execution time	Memory
571850		FerThugGato12500	Match (CEOI16_match)	C++17	0 / 100	1 ms	212 KiB

match

#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;
}

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