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  1. #include <stdio.h>
  2. //フィボナッチ数列
  3. int rec(int n){
  4. 	if(n==0){
  5. 		return 0;}
  6. 		else if(n==1){
  7. 			return 1;
  8. 		}
  9. 		else 
  10. 		return rec(n-2)+rec(n-1);
  11. }
  12.  
  13. int main(void) {
  14.     int n = 9;
  15.         printf("フィボナッチ数列の第%d項は%d\n", n, rec(n));
  16. 	return 0;
  17. }
  18.  
  19.  
Success #stdin #stdout 0.01s 5324KB
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フィボナッチ数列の第9項は34
https://ideone.com/3zdNAZ
language:
C (gcc 8.3)
created:
14 days ago
visibility:
public

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