public void Part2_PuzzleLayoutTest()
{
var lines = Example.Split(Environment.NewLine).ToList();
var blocks = SplitExtension.Split(lines, "");
var tiles = blocks.Select(b => new Tile(b.ToList())).ToList();
var megaTile = new MegaTile(tiles);
megaTile.ToString().Should().Be(@"
.#.#..#.##...#.##..#####
###....#.#....#..#......
##.##.###.#.#..######...
###.#####...#.#####.#..#
##.#....#.##.####...#.##
...########.#....#####.#
....#..#...##..#.#.###..
.####...#..#.....#......
#..#.##..#..###.#.##....
#.####..#.####.#.#.###..
###.#.#...#.######.#..##
#.####....##..########.#
##..##.#...#...#.#.#.#..
...#..#..#.#.##..###.###
.#.#....#.##.#...###.##.
###.#...#..#.##.######..
.#.#.###.##.##.#..#.##..
.####.###.#...###.#..#.#
..#.#..#..#.#.#.####.###
#..####...#.#.#.###.###.
#####..#####...###....##
#.##..#..#...#..####...#
.#.###..##..##..####.##.
...###...##...#...#..###
".Trim());
}
public void MonsterLocationExample()
{
var input = @".####...#####..#...###..
#####..#..#.#.####..#.#.
.#.#...#.###...#.##.##..
#.#.##.###.#.##.##.#####
..##.###.####..#.####.##
...#.#..##.##...#..#..##
#.##.#..#.#..#..##.#.#..
.###.##.....#...###.#...
#.####.#.#....##.#..#.#.
##...#..#....#..#...####
..#.##...###..#.#####..#
....#.##.#.#####....#...
..##.##.###.....#.##..#.
#...#...###..####....##.
.#.##...#.##.#.#.###...#
#.###.#..####...##..#...
#.###...#.##...#.######.
.###.###.#######..#####.
..##.#..#..#.#######.###
#.#..##.########..#..##.
#.#####..#.#...##..#....
#....##..#.#########..##
#...#.....#..##...###.##
#..###....##.#...##.##.#";
var megaTile = new MegaTile(input);
megaTile.NumberOfMonsters().Should().Be(2);
megaTile.CountOfNonMonsterTiles().Should().Be(273);
}
public void MegaTileIterationExample()
{
var input = @".#.#..#.##...#.##..#####
###....#.#....#..#......
##.##.###.#.#..######...
###.#####...#.#####.#..#
##.#....#.##.####...#.##
...########.#....#####.#
....#..#...##..#.#.###..
.####...#..#.....#......
#..#.##..#..###.#.##....
#.####..#.####.#.#.###..
###.#.#...#.######.#..##
#.####....##..########.#
##..##.#...#...#.#.#.#..
...#..#..#.#.##..###.###
.#.#....#.##.#...###.##.
###.#...#..#.##.######..
.#.#.###.##.##.#..#.##..
.####.###.#...###.#..#.#
..#.#..#..#.#.#.####.###
#..####...#.#.#.###.###.
#####..#####...###....##
#.##..#..#...#..####...#
.#.###..##..##..####.##.
...###...##...#...#..###";
var megaTile = new MegaTile(input);
var result = Day20.IterateMegaTilePart2(megaTile);
result.Should().Be(273);
}
public static long Part2(string input = null)
{
var lines = input == null?FileReader.ReadInputLines(Day).ToList() : input.Split(Environment.NewLine).ToList();
var blocks = SplitExtension.Split(lines, "");
var tiles = blocks.Select(b => new Tile(b.ToList())).ToList();
var neighbours = tiles.Select(t => t.PotentialNeighbours(tiles));
var edges = tiles.Where(t => t.PotentialNeighbours(tiles).ToList().Count(x => x == 0) >= 1);
// edges.Count().Should().Be(44);
var megaTile = new MegaTile(tiles);
return(IterateMegaTilePart2(megaTile));
}
internal static long IterateMegaTilePart2(MegaTile megaTile)
{
var operationOrder = new[]