Day 11: 2D Arrays

sample.java

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

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int arr[][] = new int[6][6];
        for (int i = 0; i < 6; i++) {
            for (int j = 0; j < 6; j++) {
                arr[i][j] = in.nextInt();
            }
        }

        int ans = -2147483648;
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                int sumCell = sumCell(arr, i, j);
                if (ans < sumCell) {
                    ans = sumCell;
                }
            }
        }
        System.out.print(ans);
    }

    private static int sumCell(int[][] arr, int i, int j) {
        return 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];
    }
}