Submission #578256

#	Time	Username	Problem	Language	Result	Execution time	Memory
578256		Trisanu_Das	Utrka (COCI14_utrka)	C++17	80 / 80	132 ms	10384 KiB

utrka

#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  map<string, int> cnt;
  for (int i = 0; i < n; i++) {
    string s;
    cin >> s;
    cnt[s]++;
  }
  for (int i = 0; i < n - 1; i++) {
    string s;
    cin >> s;
    cnt[s]--;
  }
  for (auto &p : cnt) {
    if (p.second & 1) {
      cout << p.first << '\n';
    }
  }
  return 0;
}

• Subtask 1: 80 / 80