Poj Solution 2853

http://poj.org/problem?id=2853

//* @author: 82638882@163.com
import java.util.Scanner;
public class Main
{
 public static void main(String[] args)
 {
    Scanner in=new Scanner(System.in);
    int u=in.nextInt();
    while((u--)!=0)
    {
        int y=in.nextInt();
     int a=in.nextInt();
     int count=0;
     int t=1;
     for(int i=2;i< (Math.sqrt(2*a)+1);i++)
     {
       t+=i;
       if((a-t)%i==0&&a>=t) count++;
      }
     System.out.println(y+" "+count);
       }    
  }
}