NYOJ题目77开灯问题

 1 import java.util.Scanner;
 2 
 3 public class Main {
 4 
 5     public static void main(String[] args) {
 6         
 7         Scanner sc=new Scanner(System.in);
 8         
 9         int n=sc.nextInt();
10         int k=sc.nextInt();
11         
12         for(int i=1;i<=n;i++){
13             if(solve(i,k)%2==1) System.out.print(i+" ");
14         }
15         
16     }
17     
18     public static int solve(int n,int k){
19         int res=0;
20         for(int i=1;i<=k && i<=n;i++) if(n%i==0) res++;
21         return res;
22     }
23     
24 }