rotations

rotations.rb

def rotated?(word, original)
  if word == original
    true
  else
    (0..word.chars.length).map do |i|
      word = (word.chars[1..-1] + [word.chars[0]]).join
      return true if word == original
    end
    false
  end
end

require "timeout"
def rotated?(word, original)
  Timeout::timeout(5) do
    loop do
      return true if word.chars.shuffle.join == original
    end
  end
rescue Timeout::Error
  false
end

def rotated?(word, original)
  (word + word).include?(original)
end


def rotated?(word, original)
  (0..word.chars.length).map do |i|
    word[i..-1] + word[0...i]
  end.any? do |w|
    w == original
  end
end

def rotations(word)
  (0...word.chars.length).map do |i|
    word[i..-1] + word[0...i]
  end
end

def rotated?(word, original)
  rotations(word).include?(original)
end