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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.  
  16. int main(void) {
  17.     int n = 10;
  18.         printf("フィボナッチ数列の第%d項は%d\n", n, rec(n));
  19. 	return 0;
  20. }
  21.  
  22.  
Success #stdin #stdout 0.01s 5316KB
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Standard input is empty
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フィボナッチ数列の第10項は55
https://ideone.com/IOCLTU
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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