Submission #145977

#TimeUsernameProblemLanguageResultExecution timeMemory
145977grobarUtrka (COCI14_utrka)C++14
80 / 80
411 ms19092 KiB
#include <bits/stdc++.h>

using namespace std;

int main()
{
   map<string,int>m;
   int n;
   cin>>n;
   string a[2*n-1];
   for(int i=0;i<(2*n-1);i++)
   {
       cin>>a[i];
       m[a[i]]++;
   }
   for(int i=0;i<(2*n-1);i++)
   {
       if(m[a[i]]%2==1)
       {
           cout<<a[i]<<endl;
           return 0;
       }
   }
}
#Verdict Execution timeMemoryGrader output
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