39 lines
1.3 KiB
Ruby
39 lines
1.3 KiB
Ruby
#!/bin/env ruby
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require 'pry'
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input = File.readlines('./input').map(&:chomp)
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ingredients = input.to_h do |line|
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line = line.delete(':').delete(',').split
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ingredient = line[0].to_sym
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properties = line[1..-1].each_slice(2).map { |property, num| [property.to_sym, num.to_i] }.to_h
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[ingredient, properties]
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end
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sets = []
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100.times { |a| 100.times { |b| 100.times { |c| 100.times { |d| sets.push([a, b, c, d]) if a + b + c + d == 100 } } } }
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totals = []
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properties = ingredients.values[0].keys
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properties.delete(:calories)
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scores = []
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sets.each.with_index do |set, _i|
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p_scores = properties.map do |property|
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ingredients.values.map { |hash| hash[property] }.zip(set).map { |pair| pair.reduce(&:*) }.sum
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end
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p_scores.map! { |score| score < 0 ? 0 : score }
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scores.push(p_scores.reduce(&:*))
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end
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puts "Part 1 Solution: #{scores.max}."
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# part 2
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scores = []
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sets.each.with_index do |set, _i|
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next unless ingredients.values.map { |hash| hash[:calories] }.zip(set).map { |pair| pair.reduce(&:*) }.sum == 500
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p_scores = properties.map do |property|
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ingredients.values.map { |hash| hash[property] }.zip(set).map { |pair| pair.reduce(&:*) }.sum
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end
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p_scores.map! { |score| score < 0 ? 0 : score }
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scores.push(p_scores.reduce(&:*))
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end
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puts "Part 2 Solution: #{scores.max}."
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