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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.     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. int main(void) {
  14.     for (int n=1;n<=50;n++){
  15.         if (rec(n)%n==0){
  16.             printf("%d ",n);}
  17.     }
  18.     printf("\n");
  19.     return 0;
  20. }
Success #stdin #stdout 0.02s 5288KB
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1 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47
https://ideone.com/ZMxolu
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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