void v_test1()
{
    int **pi_table;
    pi_table = new int*[3];
    for (int ii = 0; ii < 3;)
    {
        if (ii < 2)
            pi_table[ii++] = new int[0];
        else
        {
            ii = 1;
            pi_table[++ii] = new int;   //pi_table[2]
            ii = 20;
        }
    }
    for (int ii = 0; ii < 3; ii++)
    {
        delete pi_table[0];
        if (ii < 2) pi_table[0] = pi_table[ii + 1];
    }
    delete pi_table;
}