public void Run2(int days = 10)
{
Run();
// start to execute days of flipping
for (int day = 1; day <= days; day++)
{
// Any black tile with zero or more than 2 black tiles immediately adjacent to it is flipped to white.
// Any white tile with exactly 2 black tiles immediately adjacent to it is flipped to black.
foreach (var(ind, tile) in TilesVisited)
{
var adjacent = AdjacentTiles(tile);
var blackAdjacent = adjacent.Where((item) => !item.White).Count();
if (tile.White && blackAdjacent == 2)
{
// exactly 2 black tiles, flip to black!
tile.FlipTo = false;
}
else if (!tile.White && (blackAdjacent == 0 || blackAdjacent > 2))
{
tile.FlipTo = true;
}
}
foreach (var(ind, tile) in NewTiles)
{
TilesVisited.Add(tile.Index, tile);
var adjacent = AdjacentTiles(tile, false);
var blackAdjacent = adjacent.Where((item) => !item.White).Count();
if (tile.White && blackAdjacent == 2)
{
// exactly 2 black tiles, flip to black!
tile.FlipTo = false;
}
else if (!tile.White && (blackAdjacent == 0 || blackAdjacent > 2))
{
tile.FlipTo = true;
}
}
foreach (var(ind, tile) in TilesVisited)
{
tile.ExecuteFlip();
}
NewTiles = new Dictionary <string, Tile>();
var nr = CountBlackTiles();
// Console.WriteLine($"Day {day}: {nr}");
}
}
