public void Remove()
{
Marble clockwiseMarble = this.Clockwise;
Marble counterClockwiseMarble = this.CounterClockwise;
clockwiseMarble.CounterClockwise = counterClockwiseMarble;
counterClockwiseMarble.Clockwise = clockwiseMarble;
}
public void AddCounterClockwise(Marble marble)
{
Marble counterClockwiseMarble = this.CounterClockwise;
this.CounterClockwise = marble;
marble.Clockwise = this;
counterClockwiseMarble.Clockwise = marble;
marble.CounterClockwise = counterClockwiseMarble;
}
static void Main(string[] args)
{
int playerCount = 459;
int lastMarble = 71320;
Marble startingMarble = new Marble(0);
startingMarble.Clockwise = startingMarble;
startingMarble.CounterClockwise = startingMarble;
Marble currentMarble = startingMarble;
int currentPlayer = 0;
int[] playerScore = new int[playerCount];
for (int turn = 1; turn <= lastMarble; turn++)
{
if (turn % 23 == 0)
{
playerScore[currentPlayer] += turn;
Marble sevenLeft = currentMarble;
for (int i = 0; i < 7; i++)
{
sevenLeft = sevenLeft.CounterClockwise;
}
currentMarble = sevenLeft.Clockwise;
int sevenLeftValue = sevenLeft.Number;
playerScore[currentPlayer] += sevenLeftValue;
sevenLeft.Remove();
}
else
{
Marble newMarble = new Marble(turn);
Marble oneClockwise = currentMarble.Clockwise;
oneClockwise.AddClockwise(newMarble);
currentMarble = newMarble;
}
currentPlayer = (currentPlayer + 1) % playerCount;
}
var solution = playerScore.Max();
Console.WriteLine(solution);
}