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  1. #include <iostream>
  2.  
  3. long int factorial(int n)
  4. {
  5.     if (n <= 1)
  6.         return n;
  7.     return n*factorial(n-1);
  8. }
  9.  
  10. int main()
  11. {
  12.     std::cout << "f(13) = " << factorial (13);
  13. }
Success #stdin #stdout 0s 4152KB
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Standard input is empty
stdout
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f(13) = 6227020800
https://ideone.com/BuMgVS
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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