gistfile1.txt

class HistogramRectangle

  def initialize(histogram)
    @hist = histogram
  end

  def find_rectangle
    area = []
    @hist.each_with_index do |coords, index|
      @new_index = (index +  1)
      @x_coord = 1

        until @hist.length <= @new_index  || @hist[@new_index][1] < coords[1]
          @new_index += 1
          @x_coord += 1
        end
      area.push(@x_coord * coords[1])
    end
    area.max
  end
end