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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.  if(n==0){
  6.  	return 3;
  7.  }
  8.  else if(n==1){
  9.  	return 0;
  10.  }
  11.  else if(n==2){
  12.  	return 2;
  13.  }
  14.  else return rec(n-2)+rec(n-3);
  15. }
  16.  
  17. int main(void) {
  18.     int n = 50,x; 
  19.     for(int i = 2; i <= n; i++){
  20. x=rec(i);
  21.         if(rec(i)%i==0&&i>0){
  22.         	printf("%d ", i);
  23.         }
  24.     }
  25.  
  26. 	return 0;
  27. }
  28.  
  29.  
Success #stdin #stdout 0.01s 5312KB
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Standard input is empty
stdout
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2 3 5 7 11 13 17 19 23 29 31 37 41 43 47
https://ideone.com/BiQbqz
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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