poo

#include<iostream>
#include<string.h>
#include<conio.h>
using namespace std;

//struct adresa
//{
//  char *localitate, *tara, *strada;
//  int cod_postal, numar;
//};
//
//struct date_contact
//{
//  long int nr_telefon;
//  char *email, *site, *facebook;
//};
//
//typedef enum { piscina = 0, restaurant = 1, sala_conf = 2, sala_sport = 3 }dotari;


class lista;
class produs_magazin

{

private:
    int tip_derivat;
    char*producator;
    int cod_produs;
    char*rezolutie;
    char*dimensiune;
    produs_magazin*urm;
public:
    produs_magazin(int t, char*prod, int cod, char*rez, char*dim)
    {
        producator = new char[strlen(prod) + 1];
        strcpy(producator, prod);
        rezolutie = new char[strlen(rez) + 1];
        strcpy(rezolutie, rez);
        dimensiune = new char[strlen(dim) + 1];
        strcpy(dimensiune, dim);
        tip_derivat = t;
        cod_produs = cod;
        urm = NULL;
    }

    virtual void afisare()
    {
        cout << "----------------------\n";
        cout << "producator" << producator << endl;
        cout << "cod produs" << cod_produs << endl;
        cout << "rezolutie" << rezolutie << endl;
        cout << "dimensiune" << dimensiune << endl;
    }
    friend class lista;
};

class scaner:public produs_magazin
{
private:
    char*soft_inclus;
    int viteza_scaner;
public:
    scaner(int t, char*prod, int cod, char*rez, char*dim, char*soft, int viteza):produs_magazin(t, prod, cod, rez, dim)
    {
        soft_inclus = new char[strlen(soft) + 1];
        strcpy(soft_inclus, soft);
        viteza_scaner= viteza;
    }

    void afisare()
    {
        produs_magazin::afisare();
        cout << "soft inclus:" << soft_inclus << endl;
        cout << "viteza_scaner:" << viteza_scaner << endl;
    }friend class lista;
};

class imprimanta :public produs_magazin
{
private:
    char*format;
    char*tip;
public:
    imprimanta(int t, char*prod, int cod, char*rez, char*dim, char*form, char*tp) :produs_magazin(t, prod, cod, rez, dim)
    {
        format = new char[strlen(form) + 1];
        strcpy(format, form);
        tip = new char[strlen(tp) + 1];
        strcpy(tip, tp);
    }

    void afisare()
    {
        produs_magazin::afisare();
            cout << "format:" << format << endl;
            cout << "tip:" << tip << endl;

    }friend class lista;

};

class lista
{
public:
    produs_magazin*head;
    void adaugare(produs_magazin *prod);
    void afisare();
    void cautare(char*prod);
    void stergere(char *prod);
};



void lista::adaugare(produs_magazin*a)
{
    produs_magazin*p;
    p = head;
    if (p)
    {
        if (strcmp(a->producator, p->producator) < 0)
        {
            a->urm = head;
            head = a;
        }
        else
        {
            while (p->urm && strcmp((p->urm)->producator, a->producator) < 0)
                p = p->urm;
            a->urm = p->urm;
            p->urm = a;
        }
    }
    else
        head = a;
}

void lista::afisare()
{
    produs_magazin*a;
    a = head;
    if (!a)
        cout << "lista este goala";
    else
        while (a)
        {
            a->afisare();
            a = a->urm;
            _getch();
        }

}

void introducere(lista&l, int x)
{
    int tip_derivat;
    char producator[50];
    int cod_produs;
    char rezolutie[50];
    char dimensiune[50];
    char soft_inclus[50];
    int viteza_scaner;
    char format[50];
    char tip[50];
    produs_magazin*prodMag;

    cout << "Introduceti producator:";
    cin >> producator;
    cout << "Introduceti cod produs:";
    cin >> cod_produs;
    cout << "Introduceti rezolutia:";
    cin >> rezolutie;
    cout << "Introduceti dimensiunea:";
    cin >> dimensiune;

    if (x == 0)
    {
        scaner *Sc;
        cout << "introduceti softul";
        cin >> soft_inclus;
        cout << "Introduceti viteza:";
        cin >> viteza_scaner;

        Sc = new scaner(1, producator, cod_produs, rezolutie, dimensiune, soft_inclus, viteza_scaner);
            prodMag = Sc;
            l.adaugare(prodMag);
    }

    else if (x == 1)
    {
        imprimanta*imprim;
        cout << "introduceti format";
        cin >> format;
        cout << "introduceti tip";
        cin >> tip;

        imprim = new imprimanta(2, producator, cod_produs, rezolutie, dimensiune, format, tip);
        prodMag = imprim;
        l.adaugare(prodMag);
    }

}

void lista::cautare(char*prod)
{
    produs_magazin*m;
    m = head;
    while (m->urm != NULL && strcmp(m->urm->producator, prod) != 0)
        m = m->urm;
    if (strcmp(m->urm->producator, prod) == 0)
        cout << "elem nu se gaseste";
}

void lista::stergere(char*prod)
{
    produs_magazin*p,*q;
    p = q = head;
    if (p)
    {
        while (p&& strcmp(p->producator, prod) != 0)
        {
            q = p;
            p = p->urm;
        }
        if (p)
        {
            if (p != q)
            {
                q->urm = p->urm;
                delete p;
            }
            else
            {
                head = p->urm;
                delete p;
            }
        }
        else
            cout << "producatorul nu exista in lista ";
    }
    else
        cout << "lista este vida";

}

void main()
{
    int opt;
    lista l;
    l.head = NULL;
    do
    {
        system("cls");
        cout << "1.adaugare scaner in lista.\n";
        cout << "2.adaugare imprimanta in lista.\n";
        cout << "3.afisare articol din lista.\n";
        cout << "4.cautare.\n";
        cout << "5.stergere.\n";
        cout << "0.iesire.\n";
        cin >> opt;
        switch (opt)
        {
        case 1:introducere(l, 0);
            break;
        case 2:introducere(l, 1);
            break;
        case 3:l.afisare();
            break;
        case 4:char prod[20];
            cout << "\Dati prod dupa care se cauta";
            cin >> prod;
            l.cautare(prod);
            cout << "apasati pt continuare";
            _getch;
            break;
        case 5:char produc[20];
            cout << "\Dati prod dupa care se sterge";
            cin >> produc;
            l.stergere(produc);
            cout << "apasati pt continuare";
            _getch;
            break;
        case 0:
            break;
        default :cout << "comanda gresita";

        }

    } while (opt != 0);
}


//------------------------------------------------------------------------------------
/*void Lista::Adaugare_Fata(Agentie *a)  //adaugare in fata listei (pusa in comentarii pt ca folosim adaugarea ordonata)
{
if (head == NULL)
{
head = a;
}
else
{
a->urm = head;
head = a;
}
}

//--------------------------------------------------------------------------
void Lista::Adaugare_Spate(Agentie *a)  //adaugare la sfarsitul listei (pusa in comentarii pt ca folosim adaugarea ordonata)
{
Agentie *p;
if (head == NULL)
{
head = a;
}
else
{
p = head;
while (p->urm != NULL)
p = p->urm;
p->urm = a;
}
}*/
//------------------------------------------------------------------------------