Class DatabaseObject

{

char author [50];

char title [50];

char date [50];

public:

DatabaseObject (char*, char*, char*);

void Display ();

};

class Painting: public DatabaseObject

{

int width, height;

public:

Painting (char*, char*, char*, int, int);

void Display ();

};

class Music: public DatabaseObject

{

char key [40];

public:

Music (char*, char*, char*, char*);

void Display ();

};

class Chamber: public Music

{

int number_of_musicians;

public:

Chamber (char*, char*, char*,char*, int);

void Display ( );

};

DatabaseObject::DatabaseObject (char* who, char* what, char* when)

{

strcpy (author, who);

strcpy (title, what);

strcpy (date, when);

}

void DatabaseObject::Display ( )

{

printf ("\n\nАвтор : %s", author);

printf ("\nНазва : %s", title);

printf ("\nДата : %s", date);

}

Painting::Painting (char* author, char* title, char* date, int w, int h):

DatabaseObject (author, title, date)

{

width = w;

height = h;

}

void Painting::Display ( )

{

DatabaseObject::Display ();

printf ("\nТип : картина");

printf ("\nрозмір: ширина = %d, висота = %d", width, height);

}

Music::Music (char* author, char* title, char* date, char* k):

DatabaseObject (author, title, date)

{strcpy (key, k);}

void Music::Display ()

{

DatabaseObject::Display ();

printf ("\nТип : музика");

printf ("\nКлюч : %s", key);

}

Chamber::Chamber (char* author, char* title, char* date, char* key, int size):