jipp 2

class Kwadrat {
protected:
    int a;
    string nazwa;
public:
    Kwadrat(){
        this->nazwa = "kwadrat ";
        this->a = 0;

    }
    Kwadrat(int x){
        this->a = x;
        this->nazwa = "kwadrat ";
    }
    virtual double pole(){
        return a*a;
    }
    virtual double obwod(){
        return 4 * a;
    }
    virtual string przedstawSie(){
        return nazwa;
    }
};

class Prostokat : public Kwadrat
{
protected:
    int b;
public:
    Prostokat(){
        this->a = 0;
        this->b = 0;
        this->nazwa = "prostokat ";
    };
    Prostokat(int x, int y){
        this->a = x;
        this->b = y;
        this->nazwa = "prostokat ";
    };
    ~Prostokat();
    double pole(){ return a*b; }
    double obwod(){ return (2 * a) + (2 * b); }
};
class Kolo : public Kwadrat {
protected:
    int r;
public:
    Kolo(){
        this->r = 0;
        nazwa = "kolo";
    }
    Kolo(int r){
        this->r = r;
        nazwa = "kolo";
    }
    double pole(){
        return 3.14*r*r;
    }
    double obwod(){
        return 2*3.14*r;
    }
};
void zad2(){
    cout << "Zadanie 2" << endl;
    Kwadrat * kwa = new Kwadrat(5);
    Prostokat * pro = new Prostokat(1, 9);
    Kolo * kolo = new Kolo(3);
    Prostokat * prio = new Prostokat(4, 7);
    list <Kwadrat> * listaFigur = new list<Kwadrat>;
    listaFigur->push_back(*kwa);
    listaFigur->push_back(*pro);
    listaFigur->push_back(*kolo);
    listaFigur->push_back(*prio);
    list <Kwadrat>::iterator it;
    for (it = listaFigur->begin(); it != listaFigur->end(); it++){
        cout << it->przedstawSie();
        cout << it->pole();
        cout << it->obwod() << endl;
    }
    delete kwa, kolo, prio, pro;
    delete listaFigur;
}