// завантаження данних з файлів

        private void ReadDataFromFile()

        {

            string str;  // допоміжні змінні

            string[] tmp;

            try

            {

                // читання бази знань

                using (StreamReader sr = new StreamReader("base.xp", System.Text.Encoding.Default))

                {

                    while ((str = sr.ReadLine()) != null)

                    {

                        string[] line = str.Split('=');

                        switch (line[0])

                        {

                            case "N": N = Convert.ToByte(line[1]);

                                question = new string[N];

                                break;

                            case "PH": PH = Convert.ToDouble(line[1]);

                                break;

                            case "P+":

                                tmp = line[1].Split(' ');

                                Pp = new double[tmp.Length];

                                for (int i = 0; i < tmp.Length; i++)

                                {

                                    Pp[i] = Convert.ToDouble(tmp[i]);

                                }

                                break;

                            case "P-":

                                tmp = line[1].Split(' ');

                                Pm = new double[tmp.Length];

                                for (int i = 0; i < tmp.Length; i++)

                                {

                                    Pm[i] = Convert.ToDouble(tmp[i]);

                                }

                                break;

                            case "H": H = line[1];

                                break;

                        }

                    }

                }

                // читання списку запитань

                using (StreamReader sr = new StreamReader("quest.dat", System.Text.Encoding.Default))

                {

                    if ((str = sr.ReadLine()) != null)