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

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