fork download
copy 
  1. #include <stdio.h>
  2. int trb(int n)
  3. {
  4. 	if((n==0)||(n==1))
  5. 		return 0;
  6.  
  7. 	else if(n==2)
  8. 		return 1;
  9. 	else
  10. 		return trb(n-1) + trb(n-2)+trb(n-3);
  11. }
  12.  
  13. int main(void)
  14. {
  15. 	int n;
  16.  
  17. 	scanf("%d",&n);
  18. 	printf("%d\n",trb(n));
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 5272KB
comments (?)
stdin
copy 
5
stdout
copy 
4
https://ideone.com/RBH6uh
language:
C (gcc 8.3)
created:
5 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!