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  1. #include <stdio.h>
  2.  
  3. int fib(int n){
  4. 	int ans;
  5. 	if(n==1){
  6. 		ans=1;
  7. 	}
  8. 	else if(n==2){
  9. 		ans=1;
  10. 	}
  11. 	else{
  12. 		ans=fib(n-1)+fib(n-2);
  13. 	}
  14. 	return ans;
  15. }
  16.  
  17. int main(){
  18. 	int n;
  19. 	printf("nを入力してください:\n");
  20. 	scanf("%d",&n);
  21. 	printf("fib(%d)=%d\n",n,fib(n));
  22. }
Success #stdin #stdout 4.71s 5312KB
comments (?)
stdin
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46
stdout
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nを入力してください:
fib(46)=1836311903
https://ideone.com/iJ803P
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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