Ex suma vecinilor < elementul actual din matrice

#include <iostream>
using namespace std;

void populateMatrix(int m[][10], int n)
{
    int counter = 1;

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            m[i][j] = counter;
            counter++;
        }
    }

    cout << "Matrix populated successfully!" << endl;
}

void showMatrix(int m[][10], int n)
{
    cout << "Matrix display: " << endl;

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            cout << m[i][j] << "\t";
        }
        cout << endl;
    }
}

int calculate(int m[][10], int n)
{
    // Check the neighbour values for each element, and if the element is greater than all of them, sum it up
    int sum = 0;

    for (int i = 1; i < n - 1; i++)
    {
        for (int j = 1; j < n - 1; j++)
        {
        }
    }

    return sum;
}

int main() {
    int matrix[10][10];
    int n; // Rows and columns, since it's a square matrix

    cout << "Enter the number of rows and columns: ";
    cin >> n;

    populateMatrix(matrix, n);
    showMatrix(matrix, n);

    cout << "The sum of the elements that are greater than all their neighbours is: " << calculate(matrix, n) << endl;

    return 0;
}