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  1. #include <stdio.h>
  2.  
  3. int rec(int n){
  4.  
  5.   int a;
  6.   if(n==0){
  7.   	return 3;
  8.   }else if(n==1){
  9.   	return 0;
  10.   }else if(n==2){
  11.   	return 2;
  12.   }else{
  13.   	return  a=rec(n-2)+rec(n-3);
  14.   }
  15.  
  16. }
  17.  
  18. int main(void) {
  19.     int n = 50; 
  20.     for(int i = 1; i <= n; i++){
  21.         if(rec(i)%i==0){
  22.        	printf("%d,",i);
  23.        }
  24.         }
  25.     return 0;
  26. }
  27.  
  28.  
  29.  
Success #stdin #stdout 0.02s 5308KB
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stdin
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Standard input is empty
stdout
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1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,
https://ideone.com/qnwYb0
第５回課題４
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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