public CupsGame(string input)
{
var cups = new List <int>();
cups.AddRange(input.ToCharArray().Select(s => Int32.Parse((string)s.ToString())));
cups.AddRange(Enumerable.Range(10, 1000000 - 9));
this.CupMap = new Dictionary <int, Cup>();
var head = new Cup(0);
var current = head;
this.MaxValue = 0;
foreach (var cup in cups)
{
if (cup > MaxValue)
{
MaxValue = cup;
}
var next = new Cup(cup);
this.CupMap[cup] = next;
current.Next = next;
current = next;
}
current.Next = head.Next;
currentCup = head.Next;
this.TakeValues = new int[3];
}
public void PlayRound()
{
Round++;
var takeCup = currentCup.Next;
var nextCup = currentCup.Next;
for (int i = 0; i < 3; i++)
{
TakeValues[i] = nextCup.Value;
nextCup = nextCup.Next;
}
currentCup.Next = nextCup;
var destLabel = 0;
for (var i = 1; i <= 4; i++)
{
destLabel = currentCup.Value - i;
if (destLabel <= 0)
{
destLabel = MaxValue + destLabel;
}
if (TakeValues.Contains(destLabel))
{
continue;
}
break;
}
var destination = CupMap[destLabel];
var nextAfter = destination.Next;
destination.Next = takeCup;
takeCup.Next.Next.Next = nextAfter;
currentCup = currentCup.Next;
}