public static (int DistanceFromStart, int FurthestDistance) Solve(string input)
{
var path = input.Split(',');
var start = new HexGridLocation();
var location = new HexGridLocation();
var furthestDistanceFromStart = 0;
var currentDistance = 0;
foreach (var move in path)
{
if (move == "n")
{
location.MoveNorth();
}
else if (move == "ne")
{
location.MoveNorthEast();
}
else if (move == "nw")
{
location.MoveNorthWest();
}
else if (move == "s")
{
location.MoveSouth();
}
else if (move == "se")
{
location.MoveSouthEast();
}
else if (move == "sw")
{
location.MoveSouthWest();
}
currentDistance = location.DistanceFrom(start);
if (currentDistance > furthestDistanceFromStart)
{
furthestDistanceFromStart = currentDistance;
}
}
return(currentDistance, furthestDistanceFromStart);
}
public int DistanceFrom(HexGridLocation location)
{
return((Math.Abs(X - location.X) + Math.Abs(Y - location.Y) + Math.Abs(Z - location.Z)) / 2);
}