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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. 	if(n == 0) {
  5. 		return 3;
  6. 	}
  7. 	else if(n == 1) {
  8. 		return 0;
  9. 	}
  10. 	else if(n == 2) {
  11. 		return 2;
  12. 	}
  13. 	else {
  14. 		return rec(n-2) + rec(n-3);
  15. 	}
  16. }
  17.  
  18. int main(void) {
  19. 	int n = 50; 
  20.     for(int i = 0; i <= n; i++){
  21.     	if(i == 0) {
  22.     	}
  23. 		else if(rec(i) % i == 0) {
  24. 			printf("%d, ", i);
  25. 		}
  26.     }
  27.  
  28. 	return 0;
  29. }
  30.  
  31.  
Success #stdin #stdout 0.01s 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/iR26aA
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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