void lab2_9(){
cout << "rozwiazanie zadania 2.9" << endl;

        int vector1[7] = {4, 7, 2, 8, 1, 3, 0};
        int vector2[7];

    for ( int i =0; i<6; i++)
    {
        vector2[i]=vector1[i+1]; // jaka jest roznica dla kompilatora miedzy i+1 a i++ ????????????????????????
    }
    cout << "koniec petli" << endl;
    vector2[6]=vector1[0];

        for(int i = 0; i < 7; i++)
            cout << vector2[i] << " " << endl;
    cout << "vektor 1:" << endl;
    for(int i = 0; i < 7; i++)
        cout << vector1[i] << " " << endl;

};