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  1. #include <stdio.h>
  2. //課題4
  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. int main(void) {
  18.     int n = 50;
  19.  
  20.     for(int i = 1; i <= n; i++){
  21.         if(rec(i) % i == 0){
  22.             printf("%d, ", i);
  23.         }
  24.     }
  25.     return 0;
  26. }
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/FJXneE
language:
C (gcc 8.3)
created:
19 hours ago
visibility:
public

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