Vector vec2(10);
    cout << "Vec2 actual size" << " " << vec2.getSize() << endl;
    for (int i =0; i < 10; ++i)
        vec2.push_back(i);
    cout << "Vec2 actual size" << " " << vec2.getSize() << endl;

    int size = vec2.getSize();

    for (int i = 0; i < size; ++i)
        cout << vec2.getElemAt(i) << " ";
    cout << endl;

    int& thirdElem = vec2.getElemAt(3);
    thirdElem = 100;
    cout << vec2.getElemAt(3) << endl;

    for (int i=0; i < size; ++i)
        cout << vec2.pop_back() << " ";
    cout << endl;
    cout << "Vec2 actual size" << " " << vec2.getSize() << endl;

    Vector* vecPtr = new Vector;
    cout << vecPtr->getSize() << endl;
//    cout << (*vecPtr).getSize() << endl;
    delete vecPtr;