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  1. #include <stdio.h>
  2. int rec(int n){
  3. if(n == 0){
  4. return 3;
  5. }
  6. else if(n == 1){
  7. return 0;
  8. }
  9. else if(n == 2){
  10. return 2;
  11. }
  12. else{
  13. return rec(n-2) + rec(n-3);
  14. }
  15. }
  16. int main(void){
  17. for(int n = 1; n <= 50; n++){
  18. if(rec(n) % n == 0){
  19. printf("%d ", n);
  20. }
  21. }
  22. return 0;
  23. }
Success #stdin #stdout 0.01s 5320KB
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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/dV8vi2
language:
C (gcc 8.3)
created:
17 hours ago
visibility:
public

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