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  1. #include <iostream>
  2.  
  3.  
  4. using namespace std;
  5.  
  6.  
  7.  
  8.  
  9.  
  10. int main()
  11. {
  12.  
  13.     int howManyTests, number;
  14.  
  15.     cin >> howManyTests;
  16.  
  17.     while (howManyTests--)
  18.     {
  19.         int* figures = new int[number];
  20.         cin >> number;
  21.  
  22.         for (int i = 0; i < number; i++)
  23.         {
  24.             cin >> figures[i];
  25.  
  26.             if (i % 2 != 0)
  27.             {
  28.                 cout << figures[i] << " ";
  29.             }
  30.         }
  31.  
  32.         for (int i = 0; i < number; i++)
  33.         {
  34.             if (i % 2 == 0)
  35.             {
  36.                 cout << figures[i] << " ";
  37.             }
  38.  
  39.         }
  40.         cout << endl;
  41.         delete[] figures;
  42.     }
  43.  
  44.     return 0;
  45. }
Success #stdin #stdout 0.01s 5344KB
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https://ideone.com/d3O3fz
language:
C++14 (clang 8.0)
created:
1 year ago
visibility:
public

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