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  1. #include <stdio.h>
  2. int rec(int n){
  3.  if(n==0){
  4.  	return 3;
  5.  }
  6.  else if(n==1){
  7.  	return 0;
  8.  }
  9.  else if(n==2){
  10.  	return 2;
  11.  }
  12.  else {
  13.  	return rec(n-2)+rec(n-3);
  14.  }
  15. }
  16.  
  17. int main(void) {
  18.     int n = 50; 
  19.     for(int i = 1; i <= n; i++){
  20.     	if(rec(i)%i==0){
  21.     	printf("%d,",i);
  22.     	}
  23.     }
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0.01s 5320KB
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Standard input is empty
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1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,
https://ideone.com/yTwGhK
第五回提出課題４
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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