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10 lines
269 B
10 lines
269 B
11 months ago
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input = ARGF.readlines(chomp: true).map(&:chars)
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p input.transpose
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.map {|col| col.chunk_while { [_1, _2].tally.fetch(?#, 0).even? }}
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.map {|col| col.flat_map { _1.sort.reverse }}
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.transpose
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.reverse
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.each.with_index
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.sum {|row, i| row.count(?O) * (i+1) }
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