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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. //rec内を完成させてください
  5.  
  6.  	if(n==0){
  7.  		return 3;
  8.  	}
  9.  	else if(n==1){
  10.  		return 0;
  11.  	}
  12.  	else if(n==2){
  13.  		return 2;
  14.  	}
  15.  	else{
  16.  		return rec(n-2)+rec(n-3);
  17.  	}
  18.  
  19. }
  20.  
  21. int main(void) {
  22.     int n = 50; 
  23.   for(int i = 1; i <= n; i++){
  24.     int	a=rec(i);
  25.     	if(a%i==0){
  26.         printf("%d,",i);
  27.     }
  28.     }
  29. 	return 0;
  30. }
  31.  
  32.  
Success #stdin #stdout 0.01s 5296KB
comments (?)
stdin 
Standard input is empty
stdout 
1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,
https://ideone.com/s8UPwv
language:
C (gcc 8.3)
created:
91 days ago
visibility:
public

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