冒泡排序

bubble_sort.rb

def bubble_sort(arr)
  len = arr.length

  (0..len).each do |i|
    j = 0
    while j < len - i - 1
      if arr[j] > arr[j+1].to_i
        x = arr[j]
        arr[j] = arr[j+1]
        arr[j+1] = x
      end
      j = j + 1
    end
  end

  return arr
end

bubble_sort([25,56,49,78,11,65,41,36])