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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. struct Item
  6. {
  7.     int id;
  8.     double p;
  9.     int count = 0;
  10. } items[] =
  11. {
  12.     {1, 10},
  13.     {2, 15},
  14.     {3, 20},
  15.     {4, 25},
  16.     {5, 30}
  17. };
  18.  
  19.  
  20. int main()
  21. {
  22.     srand(time(0));
  23.     const int count = 1000;
  24.     for(int j = 0; j < count; ++j)
  25.     {
  26.         double pi = 0, p = rand()*100.0/RAND_MAX;
  27.         for(int i = 0; i < 5; ++i)
  28.         {
  29.             pi += items[i].p;
  30.             if (p < pi)
  31.             {
  32.                 cout << items[i].id << " ";
  33.                 items[i].count++;
  34.                 break;
  35.             }
  36.         }
  37.     }
  38.     cout <<"\n\n";
  39.     for(int i = 0; i < 5; ++i)
  40.     {
  41.         cout << items[i].id << "  " << items[i].count << endl;
  42.     }
  43.  
  44. }
  45.  
  46.  
Success #stdin #stdout 0.01s 5512KB
comments (?)
stdin 
Standard input is empty
stdout 
5 2 1 4 1 4 5 3 3 3 2 4 2 5 3 1 3 3 4 2 3 3 3 3 3 4 4 4 5 5 4 5 2 4 3 2 1 3 3 3 5 4 5 5 3 1 1 5 3 5 5 4 1 3 5 3 5 4 5 5 4 3 4 4 5 5 5 5 2 2 2 5 5 5 5 2 5 5 5 3 4 5 5 5 2 5 5 1 4 5 5 5 1 3 4 5 2 3 5 3 4 5 3 3 5 2 4 5 2 3 2 5 3 2 4 4 2 4 4 4 3 3 4 3 4 2 3 5 4 2 2 5 2 3 3 1 4 5 5 5 2 2 4 3 3 2 5 4 5 4 3 1 5 5 3 4 2 5 3 4 5 4 4 5 5 5 1 4 4 5 3 5 2 5 2 4 1 2 3 5 5 4 5 4 4 2 2 5 5 4 3 5 1 1 4 5 5 4 3 4 4 4 3 5 4 4 4 4 5 5 3 4 3 2 2 5 3 3 4 3 5 1 1 5 2 5 5 1 3 3 4 1 1 5 5 4 4 3 3 3 2 5 5 4 5 5 4 3 3 2 4 2 2 4 2 3 3 2 3 5 4 5 5 4 5 5 2 3 2 4 4 3 2 3 5 2 2 3 4 4 4 1 4 5 5 5 1 1 5 3 5 4 3 4 1 2 3 2 4 4 5 2 5 5 4 5 1 5 2 4 2 4 4 5 3 3 5 4 4 5 5 3 2 3 5 3 4 3 4 1 5 2 2 5 2 4 4 2 3 5 5 4 3 3 4 5 5 2 3 3 5 2 4 2 4 4 3 5 5 5 5 5 2 2 5 3 5 3 4 2 2 3 5 4 5 3 4 4 4 5 5 4 5 3 4 4 5 1 4 5 5 3 5 1 4 4 3 4 5 5 4 1 2 4 4 5 5 1 3 3 5 2 5 5 4 3 3 4 3 5 3 3 2 2 3 5 4 4 3 3 4 1 3 4 4 1 4 3 2 5 4 5 2 4 5 5 5 2 2 3 5 4 4 2 4 5 5 3 4 3 5 1 3 2 4 5 2 2 2 3 2 5 3 3 3 1 1 2 2 3 4 1 5 2 2 4 1 2 5 4 3 4 4 4 5 3 4 5 4 4 3 4 4 4 5 5 4 1 1 5 3 4 5 2 5 2 5 5 3 4 4 5 2 2 3 5 4 5 5 1 4 1 5 1 4 5 5 2 5 5 1 1 4 5 2 3 1 5 2 3 4 4 1 4 5 3 3 3 3 2 3 5 3 5 5 5 4 5 1 3 4 2 4 2 1 4 4 2 4 4 4 2 3 4 5 1 5 2 3 2 3 4 1 4 4 5 4 3 4 4 5 3 4 2 4 5 5 5 5 4 4 3 4 5 5 3 5 5 3 3 5 5 5 1 3 4 1 5 5 4 3 3 5 1 4 4 5 4 3 4 5 1 5 4 5 4 5 5 3 3 2 3 2 5 3 4 4 3 3 2 1 5 4 1 5 3 4 4 5 5 3 5 5 2 3 5 5 2 4 2 4 5 4 4 5 5 1 3 3 4 4 3 3 2 4 2 3 1 5 2 5 1 5 5 2 2 5 1 3 3 3 5 2 5 4 1 5 4 3 2 1 5 4 3 5 1 4 3 1 3 3 1 3 3 5 4 4 4 4 1 1 5 5 3 4 3 3 4 5 4 4 5 3 2 2 2 2 4 3 2 5 5 2 2 2 2 5 5 5 3 5 5 2 4 2 5 5 4 3 5 2 5 5 3 5 5 4 2 4 5 3 4 5 4 5 5 5 4 5 4 5 4 4 1 2 5 5 2 3 2 1 3 5 5 5 5 5 3 2 3 3 4 5 2 2 5 1 5 3 5 4 2 3 2 3 4 5 2 5 2 3 5 4 3 4 3 3 3 5 3 5 1 5 5 2 1 4 3 1 5 2 4 1 4 4 3 2 4 4 5 5 5 5 3 2 3 4 3 5 3 5 4 3 5 2 4 5 4 5 5 4 5 3 4 4 1 5 4 4 4 4 3 3 2 4 4 4 3 5 2 4 4 5 1 3 5 4 2 4 4 5 1 4 3 4 1 3 4 4 5 1 2 3 3 3 5 5 5 2 5 1 5 3 5 5 5 4 4 1 2 2 1 3 4 3 5 4 5 4 3 5 4 3 1 5 5 1 5 4 3 4 4 2 1 3 1 5 5 5 5 2 5 5 3 4 3 3 2 2 5 4 5 4 5 1 4 4 1 3 2 

1  88
2  148
3  209
4  252
5  303
https://ideone.com/HmR5I7
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
secret

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