#include <iostream>
#include <string.h>

using namespace std;


//Моделира човек с име (с.н. произв. големина) и ЕГН (10 цифри)
class Person
{
private:

	void copy (const char *_name, const char _id[11])
	{
		name = new char [strlen (_name)+1];
		strcpy (name,_name);
		strcpy (id, _id);
	}

protected:

	char *name;
	char id[11];


public:
	Person ()
	{
		name = new char [3];
		strcpy (name,"NO");
		cout << "WRONG!!! \n";
	}

	Person (const char *_name, const char _id[11])
	{
		cout << "CONSTRUCTING PERSON\n";
		copy (_name,_id);
	}

	Person (const Person& p)
	{
		copy (p.name,p.id);
	}

	Person& operator = (const Person &p)
	{
		if (this != &p)
		{
			delete name;
			copy (p.name,p.id);
		}

		return *this;
	}

	~Person ()
	{
		delete []name;
	}


	void print ()
	{
		cout << "======PERSON:========" << endl
			 << "Name = " << name << endl
		     << "id = " << id << endl;
	}

};


class Student : public  Person
{
public:
	/*char *name;
	char id[11];*/
	int fn;
	double grade;

	Student (char *_name, 
		     char _id[11], 
		     int _fn, 
		     double _grade):Person (_name, _id)
	{
		fn = _fn;
		grade = _grade;
	}

	//Person (const Person& p)
	//Person (char *_name, char _id[11])	
	Student (const Student& s):Person(s.name,s.id)
	{
		cout << "CONSTRUCTING STUDENT\n";
		fn = s.fn + 10;
		grade = s.grade;
	}

	Student& operator = (const Student &s)
	{
		Person::operator = (s);

		/*
			a + b;
			a.operator+ (b)
		*/

		grade = s.grade;
		fn = s.fn + 10;
	}

	void print ()
	{

		Person::print ();

		cout << "fn = " << fn << endl
		     << "grade = " << grade << endl
		     << "length of name = " << strlen (name) << endl;
	}
};

int main ()
{
	Student kalin ("kalin georgiev","818181818181",1,3);

	cout << "=======\n";
		
	Student kalin2 (kalin);

//	kalin.name[0] = 'M';

	kalin.print();
	kalin2.print();

	Student ivan ("ivan","828282",2,4);

	kalin2 = ivan;

	kalin2.print();

//	kalin2.copy ("ivan3","18");


}