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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{
  15.  	return rec(n-2) + rec(n-3);
  16.  }
  17. }
  18.  
  19. int main(void) {
  20.     int n = 50; 
  21.     int i;
  22.     for(i=1; i<=n; i++){
  23.     	if(rec(i)%i==0)
  24.  
  25.         printf("%d,",i);
  26.  
  27.     }
  28. 	return 0;
  29. }
  30.  
  31.  
Success #stdin #stdout 0.02s 5312KB
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/pQuaFt
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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