Narkoman Distribution

#include <iostream>
#include <cmath>
#include <sstream>

using namespace std;

class Point {
  private:
    int x, y;

  //constructors
  public:
    Point() {
      this->x = 0;
      this->y = 0;
    }
    Point(int x, int y) {
      this->x = x;
      this->y = y;
    }

  //getters & setters
  public:
    int getX() {
      return x;
    }
    int getY() {
      return y;
    }

    void setX(int x) {
      this->x = x;
    }
    void setY(int y) {
      this->y = y;
    }

  //methods
  public:
    string toString() {
      stringstream ss;
      ss << "X: " << x << "\n";
      ss << "Y: " << y << "\n";
      return ss.str();
    }
    float lengthFromRef() {
      return hypot((x - Point::refPoint.getX()), (y - Point::refPoint.getY()));
    }
  /* static */
  public:
    static Point refPoint;
    static void setRefPoint(int x, int y) {
      refPoint.setX(x);
      refPoint.setY(y);
    }
};
Point Point::refPoint(0, 0);


int main() {
  Point point(3, 4);
  cout << Point::refPoint.toString();
  cout << "Length: " << point.lengthFromRef() <<endl;
  Point::setRefPoint(9, -4);
  cout << Point::refPoint.toString();
  cout << "Length: " << point.lengthFromRef() <<endl;

  return 0;
}