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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int f(int n)
  5. {
  6.     if(n == 0)
  7.         return 1;
  8.  
  9.     return n * f(n-1);
  10. }
  11.  
  12. int sum(int a, int b)
  13. {
  14.     int sum = 0;
  15.     while(a <= b)
  16.     {
  17.         sum += a;
  18.         a++;
  19.     }
  20.  
  21.     return sum;     
  22. }
  23.  
  24. int ff(int n)
  25. {
  26.     int fac = 1;
  27.     while(n >= 1)
  28.     {
  29.         fac = fac * n;
  30.         n = n - 1;
  31.     }
  32.  
  33.     return fac;
  34. }
  35.  
  36.  
  37. int main()
  38. {
  39.    cout << ff(6) << endl; 
  40.  
  41.    return 0;
  42. }
Success #stdin #stdout 0s 4396KB
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https://ideone.com/yydEL8
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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