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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define F first
  5. #define S second
  6. const int mod = 1e9+7;
  7. const int N = 2e5+10;
  8. int main ()
  9. {
  10.     //cin.tie(0);cout.tie(0);ios::sync_with_stdio(false);
  11.     int t , n , arr[N];
  12.     cin >> t;
  13.     while(t--)
  14.     {
  15.         ll ans = 0;
  16.         cin >> n;
  17.         for (int i = 0 ; i < n ; ++i)
  18.         {
  19.             cin >> arr[i];
  20.             ans ^= arr[i];
  21.         }
  22.         if (ans > 0)
  23.             cout << "first\n";
  24.         else
  25.             cout << "second\n";
  26.     }
  27.  
  28. return 0;
  29. }
  30.  
Success #stdin #stdout 0.01s 5468KB
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stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/A4gvzq
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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