2darray.cpp

#include <bits/stdc++.h>

using namespace std;

// Complete the hourglassSum function below.
int hourglassSum(vector<vector<int>> arr) {

int masx=INT_MIN;

for(int i=0;i<4;i++)
{
    for(int j=0;j<4;j++)
    {
        int sum=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];

    masx=max(masx,sum);
    }
    
}
return masx;
}

int main()
{
    ofstream fout(getenv("OUTPUT_PATH"));

    vector<vector<int>> arr(6);
    for (int i = 0; i < 6; i++) {
        arr[i].resize(6);

        for (int j = 0; j < 6; j++) {
            cin >> arr[i][j];
        }

        cin.ignore(numeric_limits<streamsize>::max(), '\n');
    }

    int result = hourglassSum(arr);

    fout << result << "\n";

    fout.close();

    return 0;
}