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  1. #include <stdio.h>
  2.  
  3. int fib(int n){
  4.  
  5. 	if(n==0) return 0;
  6.  
  7. 	else if(n==1) return 1;
  8.  
  9. 	 else if(n==2) return 2;
  10.  
  11. 	else return fib(n-1) + fib(n-2) + fib(n-3); 
  12.  
  13. }
  14.  
  15. int main(void) {
  16.  
  17. 	int n;
  18.  
  19. 	scanf("%d",&n);
  20.  
  21. 	printf("%d",fib(n));
  22.  
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/BXEcYh
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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