Submission #21541500

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class M
  def initialize center,count
    @中心 = center
    @左端 = center-(count-1)/2
    @右端 = center+count/2
  end
  attr_reader :左端,:右端
  attr_accessor :左隣,:右隣
  def inspect
    [@左端..@右端,回数,右押す,左押す].inspect
  end
  def 回数
    [@中心-@左端,@右端-@中心].sum{|n| n*(n+1).abs/2 }
  end
  def 右?
    @左隣 && @左端 <= @左隣.右端 or 0 < 右押す
  end
  def 左?
    @右隣 && @右隣.左端 <= @右端 or 0 < 左押す
  end
 
 
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class M
	def initialize center,count
		@中心 = center
		@左端 = center-(count-1)/2
		@右端 = center+count/2
	end
	attr_reader :左端,:右端
	attr_accessor :左隣,:右隣

	def inspect
		[@左端..@右端,回数,右押す,左押す].inspect
	end
	def 回数
		[@中心-@左端,@右端-@中心].sum{|n| n*(n+1).abs/2 }
	end
	def 右?
		@左隣 && @左端 <= @左隣.右端 or 0 < 右押す
	end
	def 左?
		@右隣 && @右隣.左端 <= @右端 or 0 < 左押す
	end
	def 右接触?
		@右隣 && @右隣.左端-1 == @右端
	end
	def 左接触?
		@左隣 && @左隣.右端+1 == @左端
	end
	def 右押す
		(@左端-@中心).abs-(@右端+1-@中心).abs+(右接触? ? @右隣.右押す : 0)
	end
	def 左押す
		(@右端-@中心).abs-(@左端-1-@中心).abs+(左接触? ? @左隣.左押す : 0)
	end

	def 右へ
		@右隣.右へ if 右接触?
		@左端 += 1
		@右端 += 1
	end
	def 左へ
		@左隣.左へ if 左接触?
		@左端 -= 1
		@右端 -= 1
	end
end

R,G,B = RGB = [-100,0,100].zip(gets.split).map{ M.new _1,_2.to_i }
R.右隣,G.左隣 = G,R
G.右隣,B.左隣 = B,G
R.左へ while R.左?
B.右へ while B.右?
R.右へ while R.右?
B.左へ while B.左?
p RGB.sum(&:回数)

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Judge Result