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  1. #include <stdio.h>
  2.  
  3. int rec(int n){
  4.     if(n==0) return 3;
  5.     if(n==1) return 0;
  6.     if(n==2) return 2;
  7.     return rec(n-2) + rec(n-3);
  8. }
  9.  
  10. int main(void) {
  11.     int n=50;
  12.     for(int i=0;i<=n;i++)
  13.     if(i!=0&&rec(i)%i==0)
  14.     printf("%d,",i);
  15. 	return 0;
  16. }
  17.  
  18.  
Success #stdin #stdout 0.01s 5280KB
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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/7tAKqv
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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