void saveToFile(const char fileName[], const Song songList[], int size)
{
    ofstream    out;
    out.open(fileName);
    if (!out)
    {
        cerr << "Fail to open " << fileName << " for writing!" << endl;
        exit(1);
    }
    for (int index = 0; index < size; index++)
    {
        out << songList[size].title << ';' << songList[size].artist << ';'<< songList[size].album << ';' << songList[size].min << ';' << songList[size].sec << '\n';
    }
    out.close();
}