Problem1

int main()
{
    int number;

    cout << "Enter an odd number width: ";
    cin >> number;
    cout << number << endl << endl;

    cout << "Hill:" << endl;

    for (int a = 1; a <= number; a+=2)
    {
        for (int b = 1; b <= a; b++)
        {
            cout << "*";
        }

        cout << endl;
    }

    cout << "Triangle:" << endl;

    int tr = 1;

    for (int a = 1; a <= ((number / 2) + 1); a++)
    {
        for (int b = number; b >= a; b--)
        {
            cout << " ";
        }

        for (int c = 0; c < tr; c++)
        {
            cout << "*";
        }

        cout << endl;

        tr = tr + 2;
    }

    cout << "Diamond:" << endl;

    int dia = 1;

    for (int a = 1; a <= ((number / 2) + 1); a++)
    {
        for (int b = number; b >= a; b--)
        {
            cout << " ";
        }

        for (int c = 0; c < dia; c++)
        {
            cout << "*";
        }

        cout << endl;

        dia = dia + 2;
    }

    int dia2 = number;

    for (int a = 1; a <= ((number / 2) + 1); a++)
    {
        for (int b = number; b <= a; b--)
        {
            cout << " ";
        }

        for (int c = 0; c < dia2; c++)
        {
            cout << "*";
        }

        cout << endl;

        dia2 = dia2 - 2;
    }

    return 0;
}