fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int comb(int n,int k){
  4. 	if( k == 0 || n == k )
  5. 	return 1;
  6. 	else
  7. 	return comb(n-1,k-1)+comb(n-1,k);
  8.  
  9. }
  10.  
  11. int main(void){
  12. 	int n,k;
  13.  
  14. 	scanf("%d",&n);
  15. 	scanf("%d",&k);
  16. 	printf("%d\n",comb(n,k));
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
7
3
stdout
copy 
35
https://ideone.com/Elwr01
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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!