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34 lines
732 B
34 lines
732 B
list = (0..255).to_a
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current = 0
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# lengths = ARGF.read.strip.split(?,).map(&:to_i)
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input = ARGF.read.strip
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p input
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lengths = input.split(//).map(&:ord)
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p lengths
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lengths.concat([17, 31, 73, 47, 23])
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skip = 0
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# list = (0..4).to_a
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# lengths = [3,4,1,5]
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64.times do
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lengths.each do |length|
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list[0, length] = list[0, length].reverse
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list = list.rotate(length + skip)
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current += length + skip
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current %= list.size
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skip += 1
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# p list.rotate(list.size - current)
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end
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end
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list = list.rotate(list.size - current)
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p list
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dense = list.each_slice(16).map {|slice| slice.inject(&:^) }
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p dense
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p hex = dense.map {|n| n.to_s(16).rjust(2, ?0) }.join
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# list = list.rotate(list.size - current)
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# p list[0] * list[1]
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