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@ -11,6 +11,8 @@ Maze = Struct.new(:passcode, :size) do
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state = states.shift
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yield state
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next if state.location == [3,3]
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hash = Digest::MD5.hexdigest("#{passcode}#{state.path}")[0,4]
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open_doors = %i[ U D L R ].select.with_index {|_, index|
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'bcdef'.include?(hash[index])
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@ -39,6 +41,6 @@ Maze = Struct.new(:passcode, :size) do
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end
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end
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p Maze.new('yjjvjgan', 4).walk.find {|state|
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p Maze.new('yjjvjgan', 4).walk.select {|state|
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state.location == [3, 3]
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}
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}.map(&:path).map(&:length).max
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