#include <iostream>

using namespace std;

class TablicaInt
{
    friend ostream& operator<<(ostream&, TablicaInt&);
    int* tablica;
    unsigned wielkosc;
public:
    TablicaInt(unsigned);
    int& operator[](unsigned);
};

TablicaInt::TablicaInt(unsigned rozmiar) : wielkosc(rozmiar)
{
    tablica = new int[wielkosc];
    for(unsigned i = 0; i < wielkosc; ++i)
        tablica[i] = 0;
}

int& TablicaInt::operator[](unsigned i)
{
    if(i < wielkosc)
        return tablica[i];
    cout << "brak wartosci\n";
}

ostream& operator<<(ostream& str, TablicaInt& tablica)
{
    for(unsigned i = 0; i < tablica.wielkosc; ++i)
        str << tablica[i] << '\t';
    return str;
}

int main()
{
    TablicaInt tablica(6);
    tablica[1] = 10;
    tablica[2] = 5;
    cout << tablica << endl;
    cout << tablica[2] << endl;
    return 0;
}