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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){ 
  4. 	if (n == 0) return 3;
  5.     if (n == 1) return 0;
  6.     if (n == 2) return 2;
  7.     return rec(n - 2) + rec(n - 3);
  8.  
  9.  
  10. }
  11.  
  12. int main(void) {
  13.     int n = 50;
  14.     for(int i = 1; i <= n; i++){
  15.         if (rec(i) % i == 0) {
  16.             printf("%d, ", i);
  17.         }
  18.     }
  19.  
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5332KB
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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/XvVLjn
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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