static void Main(string[] args)
{
Console.WriteLine("Day 17 - Conway Cubes");
Console.WriteLine("Star 1");
Console.WriteLine();
char[,] grid = File.ReadAllLines(inputFile).ToArrayGrid();
{
HashSet <Point3D> activeStates = new HashSet <Point3D>();
HashSet <Point3D> tempActiveStates = new HashSet <Point3D>();
for (int x = 0; x < grid.GetLength(0); x++)
{
for (int y = 0; y < grid.GetLength(1); y++)
{
if (grid[x, y] == '#')
{
activeStates.Add((x, y, 0));
}
}
}
int cycleCount = 0;
while (cycleCount < 6)
{
//Perform a cycle
tempActiveStates.Clear();
Point3D min = new Point3D(int.MaxValue, int.MaxValue, int.MaxValue);
Point3D max = new Point3D(int.MinValue, int.MinValue, int.MinValue);
foreach (Point3D point in activeStates)
{
min = AoCMath.Min(min, point);
max = AoCMath.Max(max, point);
}
for (int x = min.x - 1; x <= max.x + 1; x++)
{
for (int y = min.y - 1; y <= max.y + 1; y++)
{
for (int z = min.z - 1; z <= max.z + 1; z++)
{
if (CheckState(activeStates, x, y, z))
{
tempActiveStates.Add(new Point3D(x, y, z));
}
}
}
}
cycleCount++;
(activeStates, tempActiveStates) = (tempActiveStates, activeStates);
}
int output1 = activeStates.Count();
Console.WriteLine($"The answer is: {output1}");
}
Console.WriteLine();
Console.WriteLine("Star 2");
Console.WriteLine();
{
HashSet <Point4D> activeStates = new HashSet <Point4D>();
HashSet <Point4D> tempActiveStates = new HashSet <Point4D>();
for (int x = 0; x < grid.GetLength(0); x++)
{
for (int y = 0; y < grid.GetLength(1); y++)
{
if (grid[x, y] == '#')
{
activeStates.Add((x, y, 0, 0));
}
}
}
int cycleCount = 0;
while (cycleCount < 6)
{
//Perform a cycle
tempActiveStates.Clear();
Point4D min = new Point4D(int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue);
Point4D max = new Point4D(int.MinValue, int.MinValue, int.MinValue, int.MinValue);;
foreach (Point4D point in activeStates)
{
min = AoCMath.Min(min, point);
max = AoCMath.Max(max, point);
}
for (int x = min.x - 1; x <= max.x + 1; x++)
{
for (int y = min.y - 1; y <= max.y + 1; y++)
{
for (int z = min.z - 1; z <= max.z + 1; z++)
{
for (int w = min.w - 1; w <= max.w + 1; w++)
{
if (CheckState(activeStates, x, y, z, w))
{
tempActiveStates.Add(new Point4D(x, y, z, w));
}
}
}
}
}
cycleCount++;
(activeStates, tempActiveStates) = (tempActiveStates, activeStates);
}
int output2 = activeStates.Count();
Console.WriteLine($"The answer is: {output2}");
}
Console.WriteLine();
Console.ReadKey();
}
