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  1. #include <stdio.h>
  2.  
  3. int trb(int n) {
  4. 	if(n == 0 || n == 1)
  5. 	return 0;
  6. 	else if(n == 2)
  7. 	return 1;
  8. 	else
  9. 	return trb(n - 1) + trb(n - 2) + trb(n - 3);
  10. }
  11.  
  12. int main(void) {
  13. 	int n;
  14. 	scanf("%d", &n);
  15. 	printf("%d", trb(n));
  16. 	return 0;
  17. }
Success #stdin #stdout 0.01s 5292KB
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https://ideone.com/idLOns
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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