public override string SecondStar()
{
var input = ReadLineInput();
var result = PixelArt.CountPixelsOnAfterExpansion(input, 18);
return(result.ToString());
}
public void Problem1_Example()
{
string[] input =
{
"../.# => ##./#../...",
".#./..#/### => #..#/..../..../#..#"
};
var onCountAfterExpansion = PixelArt.CountPixelsOnAfterExpansion(input, 2);
Assert.Equal(12, onCountAfterExpansion);
}
public void Expand()
{
var pixelSet = new PixelSet(new Grid(".#./..#/###"));
string[] input =
{
"../.# => ##./#../...",
".#./..#/### => #..#/..../..../#..#",
};
var rules = PixelArt.ReadRules(input);
var rotated = pixelSet.Expand(rules);
var expected = new PixelSet(new Grid("#..#/..../..../#..#"));
Assert.Equal(expected, rotated);
}
