DataGrids

void Main() { var reindeer = File.ReadAllLines(Path.Combine(Path.GetDirectoryName (Util.CurrentQueryPath),"..","day14.txt")) .Select(s => { var m = Regex.Match(s, @"^([^ ]+) .* (\d+) .* (\d+) .* (\d+)" ); return new Reindeer { Name = m.Groups[1].Value, Rate = int.Parse(m.Groups[2].Value), Fly = int.Parse(m.Groups[3].Value), Rest = int.Parse(m.Groups[4].Value) }; }); // part 1 reindeer.Select(r => FlyFor(r, 2503)).OrderByDescending(t => t).First().Dump(); // part 2 var scores = reindeer.ToDictionary (r => r.Name, r => 0); for (var t = 1; t < 2503; t++) { var leaders = reindeer.Select (r => new { r.Name, Distance = FlyFor(r, t) }) .GroupBy (r => r.Distance) .OrderByDescending (r => r.Key) .First() .Select(r => r.Name); foreach (var l in leaders) scores[l]++; } scores.OrderByDescending (s => s.Value).First().Value.Dump(); } public class Reindeer { public string Name { get ;set; } public int Rate { get ;set; } public int Fly { get ;set; } public int Rest { get ;set; } } public int FlyFor(Reindeer d, int seconds) { var distance = 0; var elapsed = 0; while (elapsed < seconds) { if (elapsed + d.Fly < seconds) { elapsed += d.Fly; distance += d.Rate * d.Fly; } else { distance += d.Rate * (seconds - elapsed); elapsed = seconds; } elapsed += d.Rest; } return distance; }