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  1. #include <iostream>
  2. #include <ctime>    
  3. #include <cstdlib>
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9.     const int N = 10000;
  10.     const int T = 100; 
  11.  
  12.     srand((unsigned)time(0));   
  13.  
  14.     bool myArray[N] ;
  15.     bool temp = true;
  16.     int save1 = 0;
  17.     int save2 = 0;
  18.  
  19.     //initializing myArray
  20.     for (int index = 0; index < N/2; index++) {
  21.         myArray[index] = false;
  22.     }
  23.     for (int index = N/2; index < N; index++) {
  24.         myArray[index] = true;
  25.     }
  26.  
  27.     for (int index = 0; index < T; index++) {
  28.  
  29.         for (int index1 = 0; index1 < N; index1++) {    
  30.             save1 = int( N*rand()/RAND_MAX );
  31.             save2 = int( N*rand()/RAND_MAX );
  32.  
  33. 			if ( save1 != 0 || save2 != 0 )
  34. 				std::cout << "Non zero index: " << save1 << ' ' << save2 << '\n';
  35.  
  36.             temp = myArray[save1];
  37.             myArray[save1] = myArray[save2] ;
  38.             myArray[save2] = temp; 
  39.         }
  40.     }
  41.  
  42.     cout<<" Press any key to exit...";
  43.     cin.get();
  44.  
  45.     return 0;
  46. }
Success #stdin #stdout 0.01s 16064KB
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https://ideone.com/eRFuEt
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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