obliczanie R w algorytmie Hamminga
X = TextBoxToTab(tbX);
R = new int[r];
for (int i = 0; i < r; i++)
{
    for (int j = 0; j < k; j++)
    {
        R[i] += H[i, j] * X[j];
    }
    R[i] %= 2;
}
TabToTextBox(R, tbR);