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 static long Part1(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 corners = tiles.Where(t => t.NumberOfNeighbours(tiles) == 2);
corners.Count().Should().Be(4);
return(corners.Aggregate(1L, (a, x) => a * x.Id));
}
public async Task <long> Part2(string input = null)
{
var lines = await File.ReadAllLinesAsync("inputs\\20.txt");
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));
}
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));
}