static void Main()
{
string input = "input";
var game = new Game2(
System.IO.File.ReadLines($"{input}-1.txt").Select(line => Int32.Parse(line)).ToList(),
System.IO.File.ReadLines($"{input}-2.txt").Select(line => Int32.Parse(line)).ToList()
);
game.Play();
game.PostGame();
Console.WriteLine($"Score: {game.Score}");
}
// Returns winning player #
public void Play()
{
Console.WriteLine($" === Game {GameNumber} ===");
Console.WriteLine("");
var hashes = new HashSet <UInt64>();
for (var round = 1; Player1.Count > 0 && Player2.Count > 0; round++)
{
var player1DeckString = String.Join(", ", Player1);
var player2DeckString = String.Join(", ", Player2);
Console.WriteLine($"-- Round {round} (Game {GameNumber}) --");
Console.WriteLine($"Player 1's deck: {player1DeckString}");
Console.WriteLine($"Player 2's deck: {player2DeckString}");
var hash = CalculateHash($"{player1DeckString}--{player2DeckString}");
if (hashes.Contains(hash))
{
Console.WriteLine($"Previously seen card arrangement");
Winner = 1;
return;
}
hashes.Add(hash);
var card1 = Player1[0];
Player1.RemoveAt(0);
var card2 = Player2[0];
Player2.RemoveAt(0);
Console.WriteLine($"Player 1 plays: {card1}");
Console.WriteLine($"Player 2 plays: {card2}");
// Determine if we do recursive game
var roundWinner = 0;
if (card1 <= Player1.Count && card2 <= Player2.Count)
{
var subGame = new Game2(
Player1.Take(card1).ToList(),
Player2.Take(card2).ToList()
);
subGame.Play();
roundWinner = subGame.Winner;
Console.WriteLine("");
Console.WriteLine($"...anyway, back to game {GameNumber}");
}
else
{
roundWinner = card1 > card2 ? 1 : 2;
}
if (roundWinner == 1)
{
Console.WriteLine($"Player 1 wins round {round} of game {GameNumber}!");
Player1.Add(card1);
Player1.Add(card2);
}
else
{
Console.WriteLine($"Player 2 wins round {round} of game {GameNumber}!");
Player2.Add(card2);
Player2.Add(card1);
}
Console.WriteLine("");
}
Winner = Player1.Count > 0 ? 1 : 2;
Console.WriteLine($"The winner of game {GameNumber} is player {Winner}!");
Console.WriteLine("");
}