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  1. #include <stdio.h>
  2. //課題4
  3. int rec(int n){
  4. //rec内を完成させてください
  5.  
  6. 	if(n==0){
  7.  		return 3;
  8. 	}
  9. 	else if(n==1){
  10. 		return 0;
  11. 	}
  12. 	else if(n==2){
  13. 		return 2;
  14. 	}
  15. 	else{
  16. 		return rec(n-2)+rec(n-3);
  17. 	}
  18. }
  19.  
  20. int main(void) {
  21.     int n = 50; 
  22.     for(int i = 1; i <= n; i++){
  23.     	if(rec(i)%i==0){
  24.         printf("%d, ", i);
  25.     	}
  26.     }
  27. 	return 0;
  28. }
  29.  
  30.  
Success #stdin #stdout 0.02s 5328KB
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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/JWBx4I
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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