HourGlass.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class Solution {


    // Complete the hourglassSum function below.
    static int hourglassSum(int[][] arr) {
        int maxCount = -9999;
        int tempCount = 0;
        for(int i =0; i< arr.length-2; i++){
            for(int j =0; j< arr.length-2; j++){
                tempCount += arr[i][j] + arr[i][j+1] + arr[i][j+2] /*first row*/
                        +  arr[i+1][j+1] /*second row */
                        +  arr[i+2][j] + arr[i+2][j+1] + arr[i+2][j+2]; /*Third row*/

                System.out.println("TEMP COUNT:" + tempCount);
                if (maxCount < tempCount){
                    maxCount = tempCount;
                }
                tempCount = 0;
            }
        }
        return maxCount;
    }

    private static final Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) throws IOException {
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int[][] arr = new int[6][6];

        for (int i = 0; i < 6; i++) {
            String[] arrRowItems = scanner.nextLine().split(" ");
            scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

            for (int j = 0; j < 6; j++) {
                int arrItem = Integer.parseInt(arrRowItems[j]);
                arr[i][j] = arrItem;
            }
        }

        int result = hourglassSum(arr);

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedWriter.close();

        scanner.close();
    }
}