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30 lines
986 B
30 lines
986 B
3 years ago
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input = ARGF.read
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numbers, *cards = input.split("\n\n")
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numbers = numbers.split(?,).map(&:to_i)
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cards = cards.map {|c| c.split("\n").map {|r| r.split(/\s+/).reject(&:empty?).map(&:to_i) }}
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def win?(card, drawn)
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return true if card.any? {|row| row.all? {|c| drawn.include?(c) }}
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return true if card.transpose.any? {|col| col.all? {|c| drawn.include?(c) }}
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# return true if (0..4).all? {|x| drawn.include?(card.fetch(x).fetch(x)) }
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# return true if (0..4).all? {|x| drawn.include?(card.fetch(x).fetch(4-x)) }
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return false
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end
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(0..numbers.length).each do |i|
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drawn = numbers[0..i]
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# winning_card = cards.find {|c| win?(c, drawn) }
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# if winning_card
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# p winning_card.flatten.reject {|x| drawn.include?(x) }.sum * drawn.last
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# exit
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# end
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if cards.length == 1 && winning_card = cards.find {|c| win?(c, drawn) }
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p winning_card.flatten.reject {|x| drawn.include?(x) }.sum * drawn.last
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exit
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else
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cards = cards.reject {|c| win?(c, drawn) }
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end
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end
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