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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==1){
  5. 			return 1;
  6. 		}
  7. 		else if(n==2){
  8. 			return 1;
  9. 		}
  10. 		else {
  11. 			return rec(n-1)+rec(n-2);
  12. 		}
  13. }
  14.  
  15. int main(void) {
  16.     int n = 10;
  17.         printf("フィボナッチ数列の第%d項は%d\n", n, rec(n));
  18. 	return 0;
  19. }
  20.  
  21.  
Success #stdin #stdout 0s 5320KB
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フィボナッチ数列の第10項は55
https://ideone.com/ccAoLu
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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