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  1. #include <stdio.h>
  2.  
  3. int fid(int n)
  4. {
  5. 	if(n==0)
  6. 		return 0;
  7. 	else if(n==1)
  8. 		return 1;
  9. 	else
  10. 		return fid(n-1) + fid(n-2);
  11. }
  12.  
  13. int main(void)
  14. {
  15. 	int n;
  16.  
  17. 	scanf("%d",&n);
  18. 	printf("%d\n",fid(n));
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0.01s 5316KB
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https://ideone.com/gMYxkP
[再帰] 2fn+1
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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