79 lines
1.9 KiB
Ruby
79 lines
1.9 KiB
Ruby
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#!/bin/env ruby
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def valid_passport? (passport, fields)
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fields.each do |field|
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return false if !(passport.has_key?(field.to_sym))
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end
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valid_colors = ['amb', 'blu', 'brn', 'gry', 'grn', 'hzl', 'oth']
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passport.each_key do |key|
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case key
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when :byr
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return false if (passport[key].to_i < 1920 or passport[key].to_i > 2002)
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when :iyr
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return false if (passport[key].to_i < 2010 or passport[key].to_i > 2020)
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when :eyr
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return false if (passport[key].to_i < 2020 or passport[key].to_i > 2030)
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when :hgt
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if passport[key][-2..] == 'in'
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return false if (passport[key][..-3].to_i < 59 or passport[key][..-3].to_i > 76)
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elsif passport[key][-2..] == 'cm'
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return false if (passport[key][..-3].to_i < 150 or passport[key][..-3].to_i > 193)
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else
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return false
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end
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when :hcl
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return false if !passport[key].match(/^[#][0-9a-f]{6}$/)
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when :ecl
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return false if !valid_colors.find { |color| color.match(passport[key]) }
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when :pid
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return false if !passport[key].match(/^[0-9]{9}$/)
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end
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end
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true
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end
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text = File.read('./input')
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passports = Hash.new
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key = 0
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passport = Hash.new
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required_fields = [
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"byr",
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"iyr",
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"eyr",
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"hgt",
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"hcl",
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"ecl",
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"pid",
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# "cid"
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]
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results = {
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:valid => 0,
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:invalid => 0
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}
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text.each_line do |line|
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line.strip!
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if line == ''
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passports[key] = passport
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passport = Hash.new
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key += 1
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next
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end
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line.split(' ').each do |pair|
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pair = pair.split(":")
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passport[pair[0].to_sym] = pair[1]
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end
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end
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passports[key] = passport
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passports.each_value do |passport|
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if valid_passport?(passport, required_fields)
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results[:valid] += 1
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else
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results[:invalid] += 1
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end
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end
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pp results
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