Lab2 - Pb1

#include <iostream>

struct Nod
{
    int INFO;
    Nod* NEXT;
};

struct Stiva
{
    Nod* VARF = NULL;
    int SIZE = 0;

    bool EMPTY()
    {
        if (VARF == nullptr)
            return true;
        return false;
    }

    void PUSH(int valoare)
    {
        Nod* deAdaugat = new Nod;
        deAdaugat->INFO = valoare;
        deAdaugat->NEXT = VARF;
        VARF = deAdaugat;
        SIZE++;
    }

    void POP()
    {
        if (!EMPTY())
        {
            Nod* deEliminat = VARF;
            VARF = VARF->NEXT;
            delete deEliminat;
            SIZE--;
        }
    }

    int TOP()
    {
        if (!EMPTY())
            return VARF->INFO;
    }

    void CLEAR()
    {
        while (!EMPTY())
            POP();
    }
};

int main()
{
    Stiva stv;

    int dimensiune;
    std::cin >> dimensiune;

    for (int index = 0; index < dimensiune; ++index)
    {
        int numar;
        std::cin >> numar;
        stv.PUSH(numar);
    }

    Nod* deAfisat = stv.VARF;
    while (deAfisat != NULL)
    {
        std::cout << deAfisat->INFO << ' ';
        deAfisat = deAfisat->NEXT;
    }

    stv.CLEAR();
    return 0;
}