ofstream fout;
    int demon = sizeof(demo);
    fout.open(path, ios_base::trunc | ios::binary);
    int i = 0;
    while (i < 3)
    {
        fout.write((char*)&demo[i], demon);
        ++i;
    }
    fout.close();

    ifstream fin;
    fin.open(path, ios::beg | ios::binary);
    worker* buf = new worker[3];
    i = 0;
    while (i < 3)
    {
        fin.read((char*)&buf[i], demon);
        cout << buf[i].name << " " << buf[i].detailsOnMonday << " " << buf[i].detailsInTuesday << " " << buf[i].detailsInWednesday << " " << buf[i].detailsInThursday << " " << buf[i].detailsOnFriday << " " << buf[i].detailsOnSaturday << endl;
        ++i;
    }
    fin.close();