public static void Main()
{
string source = File.ReadAllText(@"..\..\input.txt");
source = source.Remove(source.Length - 1);
List <string> instructions = source.Split('\n').ToList();
List <Reindeer> reindeers = instructions.Select(i => new Reindeer(i)).ToList();
const int secondsCount = 2503;
var winningReindeerDistance = GetWinningReindeerDistance(reindeers, secondsCount);
List <RaceState> racers = reindeers.Select(r => new RaceState {
Reindeer = r
}).ToList();
RaceState winnerOfSecondRace = GetWinnerOfSecondRace(secondsCount, racers);
Console.WriteLine($"Winning distance of first race: {winningReindeerDistance}");
Console.WriteLine($"Winner of second race: {winnerOfSecondRace.Reindeer.Name} with {winnerOfSecondRace.Points} points.");
Console.ReadKey();
}
private static RaceState GetWinnerOfSecondRace(int secondsCount, List <RaceState> racers)
{
for (int i = 0; i < secondsCount; i++)
{
foreach (RaceState racer in racers)
{
if (racer.RunTime == racer.Reindeer.TravelTime)
{
racer.RunTime = 0;
racer.RestTime = racer.Reindeer.RestTime - 1;
continue;
}
if (racer.RestTime > 0)
{
racer.RestTime -= 1;
continue;
}
racer.Traveled += racer.Reindeer.Velocity;
racer.RunTime += 1;
}
int currentWinningDistance = racers.Select(r => r.Traveled).Max();
foreach (RaceState racer in racers)
{
if (racer.Traveled == currentWinningDistance)
{
racer.Points += 1;
}
}
}
RaceState winnerOfSecondRace = racers.OrderByDescending(r => r.Points).First();
return(winnerOfSecondRace);
}
