Help me in solving HOTEL problem

help
,
1

My issue

i didn’t understand 3rd testcase.

My code

/* package codechef; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
	}
}

Problem Link: HOTEL Problem - CodeChef

2

@shriyansh_19
Just draw a number line on rough U will find the the maximum number of intersections U will get is 3.