Boy_Scouts_Scheduler.Algorithm.Scheduler.Schedule C# (CSharp) Method

        public static IEnumerable<Models.Activity> Schedule(IEnumerable<Models.Group> groups, IEnumerable<Models.Station> stations, IEnumerable<Models.SchedulingConstraint> constraints, 
				IEnumerable<Models.TimeSlot> slots, IEnumerable<Models.Activity> oldSchedule, Models.TimeSlot startingTimeSlot)
        {
            IEnumerable<Models.Activity> Greedy = new List<Models.Activity>();
            IEnumerable<Models.Activity> HillClimbing = new List<Models.Activity>();

            long GreedyScore = 0;
            long HillClimbingScore = 0;

            Greedy = GreedyAlgorithm.GreedyScheduler.getSchedule(groups, stations, constraints, slots, oldSchedule, startingTimeSlot);

            // A schedule needs to be generated from scratch
            if (slots.First().ID == startingTimeSlot.ID)
            {
                HillClimbing = HillClimbingAlgorithm.GenerateSchedule(groups, stations, constraints, slots);

                GreedyScore = Score.ScoreSchedule(Greedy, groups, stations, constraints, slots);
                HillClimbingScore = Score.ScoreSchedule(HillClimbing, groups, stations, constraints, slots);

                // compare scores
                if (GreedyScore >= HillClimbingScore)
                    return Greedy;

                return HillClimbing;
            }

            return Greedy;
        }