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  1. #include <stdio.h>
  2.  
  3. int trb(int n){
  4.  
  5. 	if(n == 0 || n == 1){
  6. 		return 0;
  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. 	int n;
  15.  
  16. 	scanf("%d",&n);
  17.  
  18. 	printf("%d",trb(n));
  19.  
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5328KB
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https://ideone.com/tCAvEY
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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