Day11.java

package HackerRank.CodingDays30;

import java.util.Arrays;
import java.util.Scanner;

public class Day11 {

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

    public static void main(String[] args) {
        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 < i; j++) {
                int arrItem = Integer.parseInt(arrRowItems[j]);
                arr[i][j] = arrItem;
            }

        }

        int sum[] = new int[16];
        int h = 0;
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                sum[h] = arr[i][j] + arr[i][j+1] + arr[i][j+2]
                        + arr[i+1][j+1] + arr[i+2][j] + arr[i+2][j+1]
                        + arr[i+2][j+2];
                h++;
            }
        }
        Arrays.sort(sum);
        System.out.println(sum[15]);
        scanner.close();
    }
}