北航机试题素数
今日份AC
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
for(int i=2;i<n;i++)
{
if(issushu(i)==true)
{
if(i%10==1)
System.out.print(i+" ");
}
}
}
private static boolean issushu(int i) {
// TODO Auto-generated method stub
for(int j=2;j<=Math.sqrt(i);j++)
{
if(i%j==0)
return false;
}
return true;
}
}