// CS2 Chung
#include <iostream.h>
#include <math.h>
class Point
{  private:
      double x;
      double y;
   public:
      Point()
      {  cout << "Enter x and y for a point: ";
         cin >> x >> y;
      }
      Point(double init_x, double init_y)
      {  x = init_x;
         y = init_y;
      }
      double get_x() const
      {  return x;
      }
      double get_y() const
      {  return y;
      }
      void display()
      {  cout << "(" << x << ", ";
         cout << y << ")" << endl;
      }
      void rotate90();
      void shift(double x_amount, double y_amount)
      {

      }
      double dist(Point p)
      {
      }
};

void Point::rotate90()
{





}

Point middle(Point& p1, Point& p2)  // non member function
{



    
}

void main()
{  Point p1;       p1.shift(1,1);
   cout << "The shifted point: ";  p1.display();
   p1.rotate90();
   cout << "The 90 degree rotated point: "; p1.display();
   Point p2;
   cout << "The distance between two points = " << p1.dist(p2) << endl;
   middle(p1,p2);
   cout << "The midle point between two points: ";
   middle(p1,p2).display();
}