Day 11: 2D Arrays

#include <bits/stdc++.h>

using namespace std;



int main()
{
   int arr[6][6]; //int sum [16];int sum1 [16];
    for (int i = 0; i < 6; i++) {
        for (int j = 0; j < 6; j++) {
             arr[i][j]=0;
            cin >> arr[i][j];
        }

        cin.ignore(numeric_limits<streamsize>::max(), '\n');
    }
       int sum = -10000;
            for (int i = 0; i < 4; i++) {
                for (int j = 0; j < 4; j++) {
                
                       // [00] [01] [02]
                    //      [11]
                    // [20] [21] [22]
               
                       int currentSum = 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];
                       if (currentSum > sum) {
                           sum = currentSum;
                       }
                }
            }
        cout<<sum;
    return 0;
}