public static void Day9a(bool isDay9b = false)
{
int numPlayers = 0;
int numMarbles = 0;
Day9GameManager _mgr;
//452 players; last marble is worth 71250 points
using (Stream stream = thisExe.GetManifestResourceStream("AdventOfCode2018._data.AdventOfCode_Day9.txt"))
using (StreamReader reader = new StreamReader(stream))
{
string[] s = reader.ReadLine().Split(' ');
numPlayers = Convert.ToInt32(s[0]);
numMarbles = Convert.ToInt32(s[6]) + 1;
}
if (isDay9b)
{
numMarbles *= 100;
}
Stopwatch sw = new Stopwatch();
sw.Start();
_mgr = new Day9GameManager(numPlayers, numMarbles);
Queue <Day9Player> endGame = _mgr.RunGame();
Day9Player winner = endGame.OrderByDescending(o => o.Score).First();
sw.Stop();
StringBuilder sb = new StringBuilder();
sb.Append("The winning player is Player " + winner.PlayerNumber + " with a score of " + winner.Score.ToString() + ".");
sb.Append(Environment.NewLine);
sb.Append("Run in " + sw.ElapsedMilliseconds + "ms, or " + sw.ElapsedTicks + " ticks.");
MessageBox.Show(sb.ToString());
}
public Queue <Day9Player> RunGame()
{
Day9Marble currentMarble;
Day9Player currentPlayer;
int currentMarblePosition = 0;
for (int i = 1; i <= numPlayers; i++)
{
Day9Player p = new Day9Player(i);
playerList.Enqueue(p);
}
while (currentTurn < numMarbles)
{
currentMarble = DrawMarble(this.currentTurn);
currentPlayer = playerList.AssignCircular();
if (currentTurn != 0 && currentTurn % 23 == 0)
{
currentPlayer.Score += currentTurn;
currentMarblePosition = RotateBack7(currentMarblePosition);
Day9Marble fetchMarbleForScoring = marbleList[currentMarblePosition];
currentPlayer.Score += fetchMarbleForScoring.Value;
marbleList.RemoveAt(currentMarblePosition);
}
else
{
currentMarblePosition = RotateBetween1And2(currentMarblePosition);
marbleList.Insert(currentMarblePosition, currentMarble);
}
currentTurn++;
}
return(playerList);
}