6 lines
171 B
Crystal
6 lines
171 B
Crystal
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from = ['A'..'Z', 'a'..'z'].flat_map(&.to_a).join
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to = ['N'..'Z', 'A'..'M', 'n'..'z', 'a'..'m'].flat_map(&.to_a).join
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while line = ARGF.gets
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puts line.tr from, to
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end
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