fork(1) download
copy 
  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==2){
  9.  	return 0;
  10.  }
  11.  else if(n==3){
  12.  	return 2;
  13.  }
  14.  else{
  15.  	return rec(n-2)+rec(n-3);
  16.  }
  17. }
  18.  
  19. int main(void) {
  20.     int n_max = 50; 
  21.     int an;
  22.     for(int n = 1; n <= n_max; n++){
  23.     	an=rec(n);
  24.     	if(an%n==0){
  25.           printf("%d, ", n);
  26.     	}
  27.     }
  28.  
  29. 	return 0;
  30. }
  31.  
  32.  
Success #stdin #stdout 0.02s 5300KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1, 2, 20, 43,
https://ideone.com/sgezV3
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!