Пример #1
0
        public static Ferry NewFerryWithSwitchedPlaces(Ferry oldFerry)
        {
            var newFerry = new Ferry();

            newFerry.TileMap = new Dictionary <Point, FloorTile>();

            foreach (var tile in oldFerry.TileMap)
            {
                var newSeat = new Seat {
                    IsOccupied = true
                };

                if (tile.Value.Seat is null)
                {
                    newSeat = null;
                }
                else if (tile.Value.Seat.IsOccupied && tile.Value.AreMyNeighboursOccupied(tile.Key, 4))
                {
                    newSeat.IsOccupied = false;
                }
                else if (!tile.Value.Seat.IsOccupied && tile.Value.AreMyNeighboursOccupied(tile.Key, 1))
                {
                    newSeat.IsOccupied = false;
                }

                newFerry.TileMap.Add(tile.Key, new FloorTile
                {
                    Coordinate = tile.Key,
                    Ferry      = newFerry,
                    Seat       = newSeat
                });
            }
            return(newFerry);
        }
Пример #2
0
        public bool AreEqual(Ferry ferry2)
        {
            foreach (var tile in TileMap)
            {
                var tileToCompare = ferry2.TileMap[tile.Key];

                if (tile.Value.Seat is null && tileToCompare.Seat is null)
                {
                    continue;
                }

                if (tile.Value.IsOccupied == tileToCompare.IsOccupied)
                {
                    continue;
                }
                return(false);
            }

            return(true);
        }
Пример #3
0
        private static int First(List <string> input)
        {
            var ferry = new Ferry(input);

            bool differentFromLast;
            var  sw = new Stopwatch();

            do
            {
                sw.Start();

                var newFerry = NewFerryWithSwitchedPlaces(ferry);

                differentFromLast = !ferry.AreEqual(newFerry);
                ferry             = newFerry;

                sw.Stop();
                Debug.WriteLine(sw.Elapsed);
                sw.Reset();
            } while (differentFromLast);

            return(ferry.OccupiedTiles);
        }
Пример #4
0
        public static Ferry NewFerryWithSwitchedPlaces2(Ferry oldFerry)
        {
            var newFerry = new Ferry();

            newFerry.TileMap = new Dictionary <Point, FloorTile>();

            foreach (var tile in oldFerry.TileMap)
            {
                var newSeat = new Seat();

                if (tile.Value.Seat is null)
                {
                    newSeat = null;
                }
                else if (tile.Value.Seat.IsOccupied && tile.Value.NumberOfTilesInLineOfSight() >= 5)
                {
                    newSeat.IsOccupied = false;
                }
                else if (!tile.Value.Seat.IsOccupied && tile.Value.NumberOfTilesInLineOfSight() == 0)
                {
                    newSeat.IsOccupied = true;
                }
                else
                {
                    newSeat.IsOccupied = tile.Value.Seat.IsOccupied;
                }
                var ft = new FloorTile
                {
                    Coordinate = tile.Key,
                    Ferry      = newFerry,
                    Seat       = newSeat
                };
                newFerry.TileMap.Add(tile.Key, ft);
            }
            return(newFerry);
        }