main.cpp

int main()
{
    // CONSTANTS
    const int COL = 2;

    // Variable Declaration
    int  numElements1D;
    int  numElements2D;
    int* ptr1D;
    int** ptr2D;

    cout << "Enter number of elements for 1D array: ";
    cin >> numElements1D;
    cin.clear();
    cin.ignore(10000, '\n');

    if (numElements1D <= 0)
        ptr1D = new int[1];
    else
        ptr1D = new int[numElements1D];

    // Fill 1D array
    fill1dArray(ptr1D, numElements1D);
    cout << endl;

    //2D ARRAY
    cout << "Enter number of elements for 2D array: ";
    cin >> numElements2D;
    cin.clear();
    cin.ignore(10000, '\n');

    // Calc number of rows based on number of elements
    if (numElements2D <= 0)
        numElements2D = 1;
    else if (numElements2D % 2 == 0)
        numElements2D /= 2;
    else
    {
        numElements2D++;
        numElements2D /= 2;
    }

    //Creates the row of the 2D array
    ptr2D = new int*[numElements2D];

    // Creates the columns of the array
    for (int row = 0; row < numElements2D; row++)
        ptr2D[row] = new int[COL];

    // Nested Loop to insert numbers into 2D array
    fill2dArray(ptr2D, numElements2D);

    print1D(ptr1D, numElements1D);
    print2D(ptr2D, numElements2D);

    delete[] ptr1D;
    delete[] ptr2D;

    return 0;
}