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  1. module CaesarCipher
  2. 	def self.encrypt(s, shift)
  3. 		s.bytes.map { |b| ((b + shift) % 0xFF).chr }.join
  4. 	end
  5.  
  6. 	def self.decrypt(s, shift)
  7. 		s.bytes.map { |b| ((b - shift + 0xFF) % 0xFF).chr }.join
  8. 	end
  9. end
  10.  
  11. KEY = 33
  12.  
  13. input = gets
  14. encrypted = CaesarCipher.encrypt input, KEY
  15. decrypted = CaesarCipher.decrypt encrypted, KEY
  16. puts decrypted
Success #stdin #stdout 0.05s 9704KB
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Привет, Мир!
stdout
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Привет, Мир!
https://ideone.com/Cqv1yQ
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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