static void Main(string[] args)
{
JurassicJigsaw self = new JurassicJigsaw();
self.readFile("./day20/day20.txt");
self.parseFileContents();
long prod = 1;
for (int i = 0; i < self.tileList.Count; i++)
{
Tile tile = self.tileList[i];
int[] edges = tile.findAllEdges();
int count = 0;
for (int j = 0; j < self.tileList.Count(); j++)
{
if (self.tileList[j].getTileNumber() != tile.getTileNumber())
{
int[] subedges = self.tileList[j].findAllEdges();
count += (int)edges.Intersect(subedges).Count();
}
}
// Tiles either have 4, 6 or 8 matching edges (because of rotation/flipping).
// 4 Matching edges must mean they are corner tiles
if (count == 4)
{
prod *= (long)tile.getTileNumber();
}
}
Console.WriteLine("Product of corner tiles: {0}", prod);
}
static void Main(string[] args)
{
JurassicJigsaw self = new JurassicJigsaw();
self.readFile("./day20/day20.txt");
self.parseFileContents();
Tile[][] image = self.buildImage();
FullImage fullImage = self.combineTiles(image);
for (int i = 0; i < 10; i++) {
fullImage.setTileState(i);
int numberOfMonsters = fullImage.findMonsters();
Console.WriteLine("{0} monsters found at state {1}", numberOfMonsters, i);
if (numberOfMonsters > 0) {
int waterRoughness = fullImage.countWaterRoughness(numberOfMonsters);
}
}
}