Help me in solving TODOLIST problem

help
,
1

My issue

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
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		int n, ar;
		
		for(int i = 0;i<t;i++)
		{
		    n = sc.nextInt();
		    ar[] = new int[n];
		    for(int j =0;j<ar.length;j++)
		    {
		        ar[j] = sc.nextInt();
		    }
		}
		int count = 0;
		for(int k =0;k<ar.length;k++)
		{
		    if(ar[k]>=1000)
		    {
		        count++;
		    }
		    
		}
		System.out.println(count);
	}
}

Problem Link: TODOLIST Problem - CodeChef