/// <summary>
/// Checksum = the layer that contains the fewest 0 digits. On that layer, what is the number of 1 digits multiplied by the number of 2 digits?
/// </summary>
public static int CheckSum(IList <int> pixels, int width, int height)
{
var image = new SpaceImage(pixels, width, height);
var minLayer = image.Layers.OrderBy(l => l.FlatValues().Count(v => v == 0)).First();
return(minLayer.CheckSum());
}
public static string Part2()
{
var input = FileReader.ReadInputLines(8).First();
var image = new SpaceImage(input.ToList().Select(i => int.Parse(i.ToString())).ToList(), 25, 6);
image.Print();
// This was discerned by manually interpreting the printed image
return("ZYBLH");
}
public void Render()
{
var image = new SpaceImage("0222112222120000".ToList().Select(i => int.Parse(i.ToString())).ToList(), 2, 2);
var render = image.Render();
render.PixelAt(0, 0).Should().Be(0);
render.PixelAt(0, 1).Should().Be(1);
render.PixelAt(1, 0).Should().Be(1);
render.PixelAt(1, 1).Should().Be(0);
}
