Submission #621055

#	Time	Username	Problem	Language	Result	Execution time	Memory
621055		mannshah1211	Utrka (COCI14_utrka)	C++14	80 / 80	213 ms	26980 KiB

utrka

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int n;
  cin >> n;
  
  string a[n];
  unordered_map <string, int> freq2;
  for(int i = 0; i < n; i++){
    cin >> a[i];
    freq2[a[i]] = 0;
  }
  
  for(int i = 0; i < n; i++){
    freq2[a[i]]++;
  }
  
  unordered_map <string, int> freq;
  
  string b[n - 1];
  for(int i = 0; i < n - 1; i++){
    cin >> b[i];
    freq[b[i]] = 0;
    
  }
  
  
  
  for(int i = 0; i < n - 1; i++){
    freq[b[i]]++;
  }
  
  for(int i = 0; i < n; i++){
    if(freq2[a[i]] != freq[a[i]]){
      cout << a[i];
      break;
    }
  }
  return 0;
}

• Subtask 1: 80 / 80