85 lines
1.7 KiB
Crystal
85 lines
1.7 KiB
Crystal
INPUT = File.read("day4.txt").lines.map(&.chomp)
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def part1
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input = INPUT.clone
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passlines = [] of Array(String)
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currpass = [] of String
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input.each do |line|
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if line.empty?
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passlines << currpass
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currpass = [] of String
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next
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end
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currpass << line
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end
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passlines << currpass
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total = 0
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passlines.each do |pass|
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fields = pass.join(" ").split(" ")
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puts fields
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values = {} of String => String
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fields.each do |field|
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key = field.split(":")[0]
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values[key] = field.split(":")[1]
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puts "#{key}: #{values[key]}"
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end
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next unless value = values["byr"]?
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value = value.to_i32
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next unless value >= 1920 && value <= 2002
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puts "byr"
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next unless value = values["iyr"]?
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value = value.to_i32
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next unless value >= 2010 && value <= 2020
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puts "iry"
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next unless value = values["eyr"]?
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value = value.to_i32
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next unless value >= 2020 && value <= 2030
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puts "eyr"
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next unless value = values["hgt"]?
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next unless value.ends_with?("cm") || value.ends_with?("in")
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ivalue = value[0..-3].to_i32
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if value.ends_with? "cm"
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next unless ivalue >= 150 && ivalue <= 193
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else
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next unless ivalue >= 59 && ivalue <= 76
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end
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puts "hgt"
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next unless value = values["hcl"]?
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next unless value[0] == '#' && (value[1..]).to_i32(16)
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puts "hcl"
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next unless value = values["ecl"]?
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next unless "amb blu brn gry grn hzl oth".split(" ").includes? value
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puts "ecl"
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next unless value = values["pid"]?
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puts value
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next unless value.size == 9
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next unless value = value.to_i32?
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puts "pid"
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total += 1
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end
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puts total
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end
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def part2
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input = INPUT.clone
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end
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part1
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part2
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