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H-a-y-K

Untitled

Jan 25th, 2021
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C++ 0.76 KB | None | 0 0
  1. #include <iostream>
  2.  
  3. int C(int n, int k)
  4. {
  5.     int n_fact = 1;
  6.     int k_fact = 1;
  7.     int diff_fact = 1;
  8.  
  9.     for (int i = 2; i <= n; i++)
  10.     {
  11.         n_fact *= i;
  12.  
  13.         if (i <= k)
  14.             k_fact *= i;
  15.         if (i <= n-k)
  16.             diff_fact *= i;
  17.     }
  18.  
  19.     return n_fact/(k_fact * diff_fact);
  20. }
  21.  
  22. void pascal_triangle(int n)
  23. {
  24.     static int row = 0;
  25.     static int column = 0;
  26.  
  27.     if (row <= n)
  28.     {
  29.         for (; column <= row; column++)
  30.             std::cout << C(row, column);
  31.         std::cout << std::endl;
  32.         column = 0;
  33.         row++;
  34.         pascal_triangle(n-1);
  35.     }
  36.     else
  37.     {
  38.         row = 0;
  39.         column = 0;
  40.     }
  41. }
  42.  
  43. int main() {
  44.   int n;
  45.   std::cin >> n;
  46.     pascal_triangle(n);
  47. }
  48.  
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