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Program = Struct.new(:name, :weight, :disc)
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programs = {}
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ARGF.read.strip.split("\n").each do |line|
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name, weight, above = line.scan(/(.+) \((\d+)\)(?: -> (.+))?/)[0]
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programs[name] = Program.new(name, weight.to_i, (above || "").split(", "))
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end
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disc_weights = Hash.new {|h,k|
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program = programs[k]
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h[k] = if program.disc.empty?
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program.weight
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else
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program.weight + program.disc.map {|x| h[programs[x].name] }.sum
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end
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}
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root = "mkxke"
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p programs[root].disc.map {|n| [n, disc_weights[n]] }
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require "pry"; binding.pry
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