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  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <ctime>
  4. const int MAX = 10000;
  5. int Prob (int num)
  6. {
  7.    int Cnc = (std::rand() % MAX)+1;
  8.    if (Cnc <= num)
  9.        return 1;
  10.    else
  11.        return 0;
  12. }
  13.  
  14. int main()
  15. {
  16.     std::srand(std::time(NULL));
  17.     double positives = 0 ;
  18.     for(int n = 0; n < 10000; ++n)
  19.         positives += Prob(5000);
  20.     std::cout << "positives/MAX = " << positives / MAX << '\n';
  21. }
  22.  
Success #stdin #stdout 0s 2896KB
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Standard input is empty
stdout
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positives/MAX = 0.5002
https://ideone.com/K9ZnPE
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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