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advent-of-code/2015/ruby/day_24.rb

44 lines
414 B

require "letters"
packages = DATA.read.split("\n").map(&:to_i)
total = packages.inject(:+)
weight = total/4
(2..packages.size).each do |i|
puts i
groups = packages.combination(i).select {|combo| combo.inject(:+) == weight }
unless groups.empty?
p groups.map {|g| g.inject(:*) }.sort[0,10]
exit
end
end
__END__
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