제출 #201455

#제출 시각아이디문제언어결과실행 시간메모리
201455EmmanuelACUtrka (COCI14_utrka)C++14
80 / 80
586 ms18296 KiB
#include<bits/stdc++.h>
using namespace std;

int main(){
  int n; cin >> n;

  map<string, int> ms;
  set<string> sol;
  for(int i=0; i<n; i++){
    string s; cin >> s; 
    
    ms[s] ++;
    sol.insert(s);
  }
  
  for(int i=0; i<n-1; i++){
    string s; cin >> s;
    
    ms[s]--;
    if(ms[s] == 0) sol.erase(s);
  }

  cout << *(sol.begin()) << "\n";
}
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