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  1. #include <stdio.h>
  2.  
  3. int rec(int n){
  4. 	if(n==0)
  5. 		return 3;
  6. 	else if(n==1)
  7. 		return 0;
  8. 	else if(n==2)
  9. 		return 2;
  10. 	else
  11. 		return rec(n-2) + rec(n-3);
  12. }
  13.  
  14. int main(void) {
  15. 	int n=50;
  16. 	for(int i=1;i<=n;i++){
  17. 		if(rec(i)%i==0){
  18. 			printf("%d,",i);
  19. 		}
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0.02s 5316KB
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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/Kc8YtT
language:
C (gcc 8.3)
created:
12 hours ago
visibility:
public

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