rosslebeau

lonelyInteger :: [Int] -> Int
lonelyInteger = head . head . dropWhile ((>1) . length) . group . sort

rosslebeau

def fizzbuzz limit, start
  loop do
    puts "#{'fizz' * (~(((start % 3) >> (Math.log2((start % 3) + 1).ceil - 1)) * 2))[1]}#{'buzz' * (~(((start % 5) >> (Math.log2((start % 5) + 1).ceil - 1)) * 2))[1]}#{start.to_s * ((start % 3) >> (Math.log2((start % 3) + 1).ceil - 1)) * ((start % 5) >> (Math.log2((((start += ((limit + 1) - start)/((limit + 1) - start)) - 1) % 5) + 1).ceil - 1))}"
  end
end

rosslebeau

def fizzbuzzNoMod limit
  i = 1.0
  answers = [['fizzbuzzxx', 'buzzxx'], ['fizzxx', i]]
  loop do
    puts answers[(i / 5.0).ceil - (i / 5.0).floor][(i / 3.0).ceil - (i / 3.0).floor].to_s.chop.chop
    i += 1.0
    1/((limit + 1.0) - i).to_i
    answers[1][1] = i
  end
end

rosslebeau

def fizzbuzz limit
  i = 1
  answers = [['fizzbuzz', 'buzz'], ['fizz', i]]
  loop do
    puts answers[(i % 5) >> (Math.log2((i % 5) + 1).ceil - 1)][(i % 3) >> (Math.log2((i % 3) + 1).ceil - 1)]
    i += 1
    1/((limit + 1) - i)
    answers[1][1] = i
  end
end