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  1. #include <iostream>
  2. #include <algorithm>
  3.  
  4. int main()
  5. {
  6.     int numbers[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
  7.  
  8.     int tested_combination_count = 0;
  9.     int total_permutation_count = 0;
  10.     int last_blue = 0;
  11.     do
  12.     {
  13.         int green = numbers[0];
  14.         int yellow = numbers[1];
  15.         int purple = numbers[2];
  16.         int orange = numbers[3];
  17.         int red = numbers[4];
  18.         int blue = numbers[5];
  19.  
  20.         ++total_permutation_count;
  21.         if (last_blue == blue) {
  22.             continue;
  23.         }
  24.         last_blue = blue;
  25.         ++tested_combination_count;
  26.         if (purple * 10 + green  == green * yellow
  27.             && purple * 10 + orange == red * red
  28.             && yellow * 10 + orange == red * blue
  29.             &&    red * 10 + green  == green * blue) {
  30.             std::cout << green << " " << yellow << " " << purple << " "
  31.                       << orange << " " << red << " " << blue << std::endl;
  32.         }
  33.     } while (std::next_permutation(std::begin(numbers), std::end(numbers)));
  34.     std::cout << "Combination tested:" << tested_combination_count
  35.               << " on a total of " << total_permutation_count << std::endl;
  36. }
Success #stdin #stdout 0.01s 15232KB
comments (?)
stdin 
Standard input is empty
stdout 
5 3 1 6 4 9
Combination tested:151192 on a total of 3628800
https://ideone.com/WcNIYj
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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