static void Main()
{
var input = File.ReadAllText("../../../input.txt").ParseLongs();
var sw = new Stopwatch();
sw.Start();
for (int i = 0; i < 100; i++)
{
laby = new Labyrinth(input);
var search = new BreadthFirstSearch <Point>(EqualityComparer <Point> .Default,
Expander)
{
PerformParallelSearch = false
};
var oxygen = search.FindFirst(laby.Origin, n => n == laby.OxygenPos);
//Console.WriteLine($"Part 1: The droid need {oxygen.Length} steps.");
var filled = search.FindLeafs(laby.OxygenPos);
var longestPath = filled.Max(path => path.Length);
//Console.WriteLine($"Part 2: The point furthest from the oxygen is {longestPath} steps away.");
}
sw.Stop();
Console.WriteLine($"Solving took {sw.ElapsedMilliseconds}ms.");
Console.WriteLine("Labyrinth map:");
Console.WriteLine(laby.ToString());
_ = Console.ReadLine();
}