Submission #920519

#	Time	Username	Problem	Language	Result	Execution time	Memory
920519		speedcode	Utrka (COCI14_utrka)	C++17	80 / 80	137 ms	10404 KiB

utrka

#include <bits/stdc++.h>
using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);

    set<string> data;
    int N;
    cin >> N;
    N*=2;
    N--;
    string s;
    for(int i = 0; i < N; i++){
        cin >> s;
        if(data.count(s)) data.erase(s);
        else data.insert(s);
    }

    for(auto a : data){
        cout << a << '\n';
        return 0;
    }

    return 0;
}

• Subtask 1: 80 / 80