TimeSlotChromosome.cs

   struct TimeSlotChromosome
    {
        public TimeSpan StartAt { get; set; }
        public TimeSpan EndAt => StartAt.Add(TimeSpan.FromHours(3));
        public string CourseId { get; set; }
        public string PlaceId { get; set; }
        public string TeacherId { get; set; }
        public List<string> Students { get; set; }
        public int Day { get; set; }
    }