public World4D Run()
{
int loW = Keys.Min();
int hiW = Keys.Max();
int loX = Values.Min(w => w.Keys.Min());
int hiX = Values.Max(w => w.Keys.Max());
int loY = Values.Min(w => w.Values.Min(x => x.Keys.Min()));
int hiY = Values.Max(w => w.Values.Max(x => x.Keys.Max()));
int loZ = Values.Min(w => w.Values.Min(x => x.Values.Min(y => y.Keys.Min())));
int hiZ = Values.Max(w => w.Values.Max(x => x.Values.Max(y => y.Keys.Max())));
var output = new World4D();
for (int w = loW - 1; w <= hiW + 1; w++)
{
for (int x = loX - 1; x <= hiX + 1; x++)
{
for (int y = loY - 1; y <= hiY + 1; y++)
{
for (int z = loZ - 1; z <= hiZ + 1; z++)
{
int nCount = CountNeighbors(w, x, y, z);
output.SetValue(w, x, y, z, nCount == 3 || (GetValue(w, x, y, z) && nCount == 2));
}
}
}
}
return(output);
}
public override object SolveTwo()
{
var world = new World4D();
for (int x = 0; x < Rows.Count; x++)
{
for (int y = 0; y < Rows[x].Length; y++)
{
if (Rows[x][y] == '#')
{
world.SetValue(0, x, y, 0, true);
}
}
}
for (int i = 0; i < 6; i++)
{
world = world.Run();
}
return(world.Sum(w => w.Value.Sum(x => x.Value.Sum(y => y.Value.Count(z => z.Value)))));
}