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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.  }
  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.  
  18. int main(void) {
  19.     int n ; 
  20.     for(int n = 0; n<= 50; n++){
  21.     	if (n!=0 && rec(n)%n==0){
  22.     		printf ("n=%d\n",n);
  23.  
  24.     }
  25.     }
  26.  
  27. 	return 0;
  28. }
  29.  
  30.  
Success #stdin #stdout 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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n=1
n=2
n=3
n=5
n=7
n=11
n=13
n=17
n=19
n=23
n=29
n=31
n=37
n=41
n=43
n=47
https://ideone.com/TMWKoY
language:
C (gcc 8.3)
created:
18 hours ago
visibility:
public

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