class K1 {
    string* p1;
public:
    K1() : p1(new string[2]) {p1[0] = "Nothing"; p1[1] = "Nothing";};
    K1(const string& one, const string& two) { p1 = new string[2]; p1[0] = one; p1[1] = two; };
    ~K1() { delete p1; };
    friend ostream & operator <<(ostream &, const K1&);
    string & operator[](size_t i) const { // indexing operator
        return p1[i];
    }

};


ostream & operator <<(ostream & out, const K1 & object) {
    return out << object.p1[0] << " " << object.p1[1] << endl;
}

class K2 {
    K1 p1;
    double p2;
public:
    K2(): p2(0){};
    K2(const string & one, const string & two, const double & price): p1(one, two), p2(price){};
    K2(const K2 & object){ // konstruktor kopiacy
        p1 = object.p1;
        p2 = object.p2;
    }

    K2 & operator=(const K2 & object){ // operator przypisania
        if(this != &object){
            p1 = object.p1;
            p2 = object.p2;
        }
        return *this;
    }

    const K2 operator-(const double & value) const {
        return K2(p1[0], p1[1], p2 - value);
    }


    friend ostream & operator <<(ostream &, const K2&);
};



    ostream & operator <<(ostream & out, const K2& object){
    return out << object.p1[0] << " " << object.p1[1] << " " << object.p2 << endl;

}

int main() {
    K2 ob1, ob2;
    const K2* wsk1 = new K2("kawa", "z mlekiem", 4.50);
    const K2 ob3(*wsk1);
    delete wsk1;
    wsk1 = 0;

    const K2* wsk2 = new K2(ob3);
    ob2 = *wsk2;
    cout << ob1 << *wsk2;
    delete wsk2;
    wsk2 = 0;

    cout << ob2;
    cout << ob2 - 1.25;

    system("PAUSE");
    return 0;
}