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June 2018 Update

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Ingy döt Net 2018-06-22 20:57:24 +00:00
parent ba8067c3b7
commit 22f33d4004
5278 changed files with 84726 additions and 14379 deletions
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11
Task/Caesar-cipher/Crystal/caesar-cipher.crystal Normal file
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class String
ALPHABET = ("A".."Z").to_a
def caesar_cipher(num)
self.tr(ALPHABET.join, ALPHABET.rotate(num).join)
end
end
# demo
encrypted = "THEQUICKBROWNFOXJUMPSOVERTHELAZYDOG".caesar_cipher(5)
decrypted = encrypted.caesar_cipher(-5)