#include <iostream>

using namespace std;

class TablicaInt
{
    unsigned wielkosc;
    int* tablica;
public:
    TablicaInt();
    TablicaInt(unsigned w);
    void dodaj(int nowy);
    void zmien_rozmiar(unsigned nowy);
    void wypisz();
    void usun_dane();
};

TablicaInt::TablicaInt() : wielkosc(0), tablica(nullptr) {}


int main()
{
    cout << "Hello world!" << endl;
    return 0;
}