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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. //rec内を完成させてください
  5.  if(n==0){
  6.  	return 3;
  7.  }
  8.  else if(n==1){
  9.  	return 0;
  10.  }
  11.  else if(n==2){
  12.  	return 2;
  13.  }
  14.  else {
  15.  	return rec(n-2)+rec(n-3);
  16.  }
  17. }
  18.  
  19. int main(void) {
  20.     int n = 50; 
  21.     for(int i = 1; i <= n; i++){
  22.     	if(rec(i)%i==0){
  23.         printf("%d, ", i);
  24.     	}
  25.     }
  26.  
  27. 	return 0;
  28. }
  29.  
  30.  
Success #stdin #stdout 0.02s 5284KB
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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/KswrHk
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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