#include "Rectangle.cpp"

int main() {
  Rectangle rectangle(0xffffff, 2, 10, 20);
  Shape &rect_ref = rectangle, *rect_ptr = &rectangle;

  cout << "Rectangle area: " << rectangle.getArea() << endl;
  cout << "Rectangle reference area: " << rect_ref.getArea() << endl;
  cout << "Rectangle pointer area: " << rect_ptr->getArea() << endl;
}