Submission #1114635

#	Time	Username	Problem	Language	Result	Execution time	Memory
1114635		duytuandao21	Utrka (COCI14_utrka)	C++17	80 / 80	134 ms	25672 KiB

utrka

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

const int N = 2e5 + 7;


string s[N];
int n;
map<string, int> mark, cnt;
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> s[i];
        cnt[s[i]]++;
    }
    for (int i = 1; i < n; i++) {
        string t; cin >> t;
        mark[t]++;
    }
    for (int i = 1; i <= n; i++) {
        if (mark[s[i]] != cnt[s[i]]) {
            cout << s[i];
            break;
        }
    }
}

• Subtask 1: 80 / 80