public override string Solve()
{
var directions = _parser.GetData().Split(", ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
var q = 0;
var r = 0;
var start = new AxialHexCoordinate(0, 0);
var max = int.MinValue;
foreach (var direction in directions)
{
switch (direction)
{
case "n": q++; break;
case "nw": q++; r--; break;
case "ne": r++; break;
case "s": q--; break;
case "sw": r--; break;
case "se": q--; r++; break;
}
var distance = new AxialHexCoordinate(q, r).GetDistanceTo(start);
if (distance > max)
{
max = distance;
}
}
return(max.ToString());
}
public int GetDistanceTo(AxialHexCoordinate other)
{
var cubeCoordinates = ToCubeHex();
var otherCubeCoordinates = other.ToCubeHex();
return(Math.Max(
Math.Max(
Math.Abs(cubeCoordinates.X - otherCubeCoordinates.X),
Math.Abs(cubeCoordinates.Y - otherCubeCoordinates.Y)),
Math.Abs(cubeCoordinates.Z - otherCubeCoordinates.Z)));
}