public static void Run()
{
// Load bots
(List <Bot> bots, Dictionary <int, OutputBin> outputBins) = Load(Path.Combine("10", "input"));
// Task 1
int botId = 0;
while (bots.Any(x => x.HasChip))
{
foreach (Bot bot in bots)
{
// Task 1 check
if (bot.HasBothChips && bot.Chips.Select(x => x.Value).ToHashSet().SetEquals(new HashSet <int>()
{
61, 17
}))
{
botId = bot.Id;
}
bot.Action();
}
}
Console.WriteLine(botId);
// Task 2
int suma = new OutputBin[] { outputBins[0], outputBins[1], outputBins[2] }.SelectMany(x => x.Chips).Aggregate((a, b) => a * b);
Console.WriteLine(suma);
}
public static (List <Bot>, Dictionary <int, OutputBin>) Load(string path)
{
Dictionary <int, Bot> bots = new Dictionary <int, Bot>();
Dictionary <int, OutputBin> outputBins = new Dictionary <int, OutputBin>();
Bot getBot(int botId)
{
if (bots.TryGetValue(botId, out Bot bot))
{
return(bot);
}
else
{
return(bots[botId] = new Bot(botId));
}
}
OutputBin getBin(int binId)
{
if (outputBins.TryGetValue(binId, out OutputBin bin))
{
return(bin);
}
else
{
return(outputBins[binId] = new OutputBin(binId));
}
}
foreach (string line in File.ReadAllLines(path))
{
Match load = Regex.Match(line, @"value (\d+) goes to bot (\d+)");
Match send = Regex.Match(line, @"bot (\d+) gives low to (output|bot) (\d+) and high to (output|bot) (\d+)");
if (load.Success)
{
// Load line data
int botId = int.Parse(load.Groups[2].Value);
int chip = int.Parse(load.Groups[1].Value);
getBot(botId).Receive(chip);
}
else
{
// Load line data
int botId = int.Parse(send.Groups[1].Value);
List <(string target, int id)> targets = new List <(string target, int id)>()
{
(send.Groups[2].Value, int.Parse(send.Groups[3].Value)),
(send.Groups[4].Value, int.Parse(send.Groups[5].Value)),
};
// Define the action
Bot bot = getBot(botId);
bot.Action = new Action(() =>
{
if (!bot.HasBothChips || !targets.Where(x => x.target == "bot").All(x => getBot(x.id).CanAccept))
{
return;
}
// Withdraw chips from bot
int[] chips = new int[]
{
bot.Withdraw(bot.LowerChipIndex),
bot.Withdraw(bot.HigherChipIndex)
};
// Send chips to another bots
for (int i = 0; i < 2; ++i)
{
if (targets[i].target == "bot")
{
getBot(targets[i].id).Receive(chips[i]);
}
else
{
getBin(targets[i].id).Receive(chips[i]);
}
}
});
}
}
;
return(bots.Select(x => x.Value).ToList(), outputBins);
}