Submission #1264831

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264831		ngunguoi45	Utrka (COCI14_utrka)	C++17	80 / 80	40 ms	8532 KiB

utrka

#include <bits/stdc++.h>
#define add emplace_back
#define fi first
#define se second

using namespace std;
using ll = long long;
using pll = pair<ll,ll>;
using pii = pair<int,int>;

const int maxn = 105;

int n;
unordered_map<string,int> mp;

int main () {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n;
    for (int i = 0;i < n; i++) {
        string s; cin >> s;
        mp[s]++;
    }
    for (int i = 1;i < n; i++) {
        string s; cin >> s;
        mp[s]--;
    }
    for (pair<string,int> c : mp) {
        if (c.se > 0) {
            cout << c.fi << "\n";
            return 0;
        }
    }
    return 0;
}

• Subtask 1: 80 / 80