Day11:2DArrays.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 a[][] = new int[6][6];
        for(int i=0; i < 6; i++){
            for(int j=0; j < 6; j++){
                a[i][j] = in.nextInt();
            }
        }
        int max=-64;
        for(int i=0;i<=3;i++){
            for(int j=0;j<=3;j++){
               int sum=a[i][j]+a[i][j+1]+a[i][j+2]+a[i+1][j+1]+a[i+2][j]+a[i+2][j+1]+a[i+2][j+2];
                if(sum>max)
                    max=sum;
            }
        }
        System.out.println(max);
    }
}