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  1. Prepare
  2. Ruby
  3. Enumerables
  4. Ruby - Enumerable - collect
  5. Discussions

Ruby - Enumerable - collect

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97 Discussions

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  • mr_shailendrapr1
     + 0 comments
    def rot13(secret_messages)
    secret_messages.map do |str|
        str.chars.map{|char| char.ord.between?(65,90) || char.ord.between?(97,122) ? cipher(char) : char }.join
    end
end

def cipher(char)
    13.times {char.next!}
    return char.size > 1 ? char[1] : char
end

  • andissteam
     + 0 comments
    def rot13(secret_messages)
  secret_messages.map do |string|
    string.chars.map { |c| c.ord < 97 || c.ord > 122 ? c : c.ord + 13 > 122 ? (c.ord - 13).chr : (c.ord + 13).chr }.join
  end
end

  • abhschinchole571
     + 0 comments

    def rot13(secret_messages)

    return secret_messages.map {|d| 
    ans = ""
    for i in(0...d.length)
        ans.insert(i,helper(d[i]))
    end
    ans
    }

    end

    def helper(ch) alpb = "abcdefghijklmnopqrstuvwxyz" i = ch.downcase.ord - 'a'.ord return i > 25 || i < 0 ? ch : ch.ord >= 65 && ch.ord <=90 ? alpb[(i + 13)%26].upcase : alpb[(i + 13)%26] end

  • fenic43ultimate
     + 0 comments
    def tranf(letra)
  return letra unless letra.match?(/[A-Za-z]/)

  offset = letra.upcase == letra ? 'A'.ord : 'a'.ord
  ((letra.ord - offset + 13) % 26 + offset).chr
end

def rot13(secret_messages)
  secret_messages.map { |message| message.each_char.map { |c| tranf(c) }.join }
end

  • ecocleans434
     + 0 comments

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