fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int f(int n, int k) {
  5.     if (k * n == 0)
  6.          return 1;
  7.     else
  8.          return f(n - 1, k - 1) + f(n - 1, k);
  9. }
  10.  
  11. int main() {
  12. 	std::cout << f(4, 2) << '\n';
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 3340KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
11
https://ideone.com/mMy6CY
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!