#include<iostream>
using namespace std;

class CPoint
{
public:
	int d;
	double* coord;

public:
	CPoint()
	{
		this->d = 0;
		this->coord = NULL;
	}

	CPoint(int d1)
	{
		this->d = 0;
		this->coord = NULL;

		this->d = d1;

		if (d1)
		{
			this->d = d1;
			coord = new double[d];
			if (coord == NULL)
				exit(0);
			for (unsigned int i = 0; i < d; i++)
				coord[i] = 0;

		}
	}


	CPoint(CPoint &P)
	{
		this->d = 0;
		this->coord = NULL;

		if (P.d)
		{
			this->d = P.d;
			coord = new double[d];
			if (coord == NULL)
				exit(0);
			for (unsigned i = 0; i < d; i++)
				coord[i] = P.coord[i];
		}
	}

	~CPoint()
	{
		if (coord)
			delete[] coord;
		coord = NULL;
	}

	void Compare(const CPoint  &p)
	{
		int ok = 0;
		if (d != p.d)
			cout << "Punctele nu sunt din acelasi spatiu " << endl;
		else
		{
			if (d == p.d)
				for (int i = 0; i < d; i++)
					if (coord[i] != p.coord[i])
						ok = 1;

			if (ok == 0)
				cout << "Punctele sunt identice " << endl;
			else
				cout << "Punctele nu sunt identice " << endl;
		}
	}


	void afis()
	{
		cout << "Spatiul este " << d << " dimensional " << endl;
		cout << "Coordonatele sunt: ";
		for (int i = 0; i < d; i++)
			cout << coord[i] << ", ";
		cout << endl;
	}

	double& operator[] (int i)
	{
		for (i = 0; i < d; i++)
			return coord[i];
	}

};


class CPoint2d : public CPoint
{
public:
	CPoint2d() : CPoint(2)
	{

	}

	CPoint2d(double x, double y) : CPoint (2)
	{
		coord[0] = x;
		coord[1] = y;
	}
};


class CPoint3d : public CPoint
{
public:
	/*CPoint3d() : CPoint(3)
	{

	}*/

	CPoint3d(double x, double y, double z) : CPoint(3)
	{
		coord[0] = x;
		coord[1] = y;
		coord[2] = z;
	}
};


int main()

{
	CPoint P13(3);
	P13[0] = 4;
	P13[1] = 5;
	P13[2] = 6;
	P13.afis();

	CPoint P14(3);
	P14[0] = 4;
	P14[1] = 7;
	P14[2] = 6;

	CPoint P15 = P14;
	P15.afis();


	CPoint2d P2;
	P2[0] = 3;
	P2[1] = 4;
	CPoint2d P22(9, 0);
	P22.afis();

	CPoint3d P3(11, 4, 5);
		P3.afis();
	P13.Compare(P14);
	system("pause");
	return 0;
}