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26 lines
410 B
26 lines
410 B
5 days ago
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input = DATA.readlines
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.map {|line|
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nums = line.scan(/\d+/).map(&:to_i)
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[nums.shift, nums]
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}
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pp input.filter_map {|val, vars|
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vals = vars.inject {|n,x|
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%i[ + * ].flat_map {|op|
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Array(n).map { _1.send(op, x) }
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}
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}
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vals.include?(val) && val
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}.sum
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__END__
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190: 10 19
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3267: 81 40 27
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83: 17 5
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156: 15 6
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7290: 6 8 6 15
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161011: 16 10 13
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192: 17 8 14
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21037: 9 7 18 13
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292: 11 6 16 20
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