#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

class tablica
{
    int** dane;
    int kolumny;
    int wiersze;
public:
    tablica(int, int);
    ~tablica();
    int*& operator[](int i){return dane[i];}
    void wypisz();
};

tablica::tablica(int w, int k) : wiersze(w), kolumny(k)
{
    srand(time(nullptr));
    dane = new int*[w];
    for(int i = 0; i < w; ++i)
    {
        dane[i] = new int[k];
        for(int j = 0; j < k; ++j)
            dane[i][j] = rand();
    }
}

void tablica::wypisz()
{
    for(int i = 0; i < wiersze; ++i)
    {
        for(int j = 0; j < kolumny; ++j)
            cout << dane[i][j] << '\t';
        cout << endl;
    }
}

tablica::~tablica()
{
    for(int i = 0; i < wiersze; ++i)
        delete[] dane[i];
    delete[] dane;
}

int main()
{
    tablica tab(2,3);
    tab.wypisz();
    cout << endl;
    cout << tab[0][1] << endl;
    tab[1][2] = 1000;
    cout << endl;
    tab.wypisz();
    return 0;
}