public string Part2(string input, string baseLIne, int count)
{
if (input.IsNullOrEmpty())
{
return(string.Empty);
}
var rawMoves = input.Split(',').Select(s => s.AsSpan()).ToList();
var bl = baseLIne.AsSpan();
var sw = Stopwatch.StartNew();
for (var i = 0; i < count; i++)
{
var dance = new Dance(bl);
foreach (var rawMove in rawMoves)
{
dance.Step(rawMove);
}
if (i % 100 == 0)
{
sw.Stop();
TestContext.Progress.WriteLine($"{count - i} - {sw.ElapsedMilliseconds}");
sw.Restart();
}
bl = dance.BaseLine;
}
return(new string(bl.ToArray()));
}
public string Part1(string input, string baseLIne)
{
if (input.IsNullOrEmpty())
{
return(string.Empty);
}
var rawMoves = input.Split(',').Select(s => s.AsSpan());
var dance = new Dance(baseLIne);
foreach (var rawMove in rawMoves)
{
dance.Step(rawMove);
}
return(dance.Result());
}
