2016-12-05 23:44:36 +01:00
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import strutils
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2019-09-12 10:33:56 -07:00
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proc rot13(c: char): char =
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case toLowerAscii(c)
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2016-12-05 23:44:36 +01:00
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of 'a'..'m': chr(ord(c) + 13)
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of 'n'..'z': chr(ord(c) - 13)
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else: c
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for line in stdin.lines:
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for c in line:
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stdout.write rot13(c)
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stdout.write "\n"
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