int read_bin_file(string filename, time_task** beg, time_task** end) {
    total_el = 0;

    ifstream fin;
    fin.open(filename);

    if (!fin) {
        MessageBox(0, L"Нет файла!", L"Ошибка", MB_ICONERROR | MB_SETFOREGROUND);
        return 1;
    }

    fin.seekg(ios::beg);
    time_task* t = new time_task;
    t->next = NULL;
    t->prev = NULL;
    *beg = 0;

    while ( fin.read((char*)& t->d, sizeof(t->d)) ) {
        if (*beg) {
            cout << t->d.all_time << endl;
            system("pause");
            *end = input(*end, *t);
        } else {
            *beg = input(*t);
            *end = *beg;
        }

        total_el++;
    }

    return 0;
}