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  1. #include <iostream>
  2.  
  3. int f(int n) {
  4.   if (n == 0) return 1;
  5.   return n * f(n - 1);
  6. }
  7.  
  8. int g(int prod, int n) {
  9.   if (n == 0) return prod;
  10.   return g(n * prod, n - 1);
  11. }
  12.  
  13. int h(int prod, int n) {
  14. label:             /* translation */
  15.   if (n == 0)
  16.     return prod;
  17.   prod = n * prod; /* translation */
  18.   n = n - 1;       /* translation */
  19.   goto label;      /* translation */
  20. }
  21.  
  22. int main() {
  23.   std::cout << f(10) << std::endl;
  24.   std::cout << g(1, 10) << std::endl;
  25.   std::cout << h(1, 10) << std::endl;
  26.   return 0;
  27. }
  28. /* end */
  29.  
Success #stdin #stdout 0s 4528KB
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3628800
3628800
3628800
https://ideone.com/Jso95a
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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