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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. int main(void) {
  19.     int n = 50; 
  20.     for (int i = 1; i <= n; i++){
  21.        int an = rec(i);
  22.        if(an % i == 0){
  23.         printf("n= %d\n ", i);
  24.     }
  25.     }
  26. 	return 0;
  27. }
  28.  
Success #stdin #stdout 0.01s 5284KB
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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/ZsLduN
language:
C (gcc 8.3)
created:
73 days ago
visibility:
public

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