Merge branch 'master' of http://git.doublehack.me/s00ner/AoC2020 into master

day04/input2.sample

@@ -0,0 +1,26 @@
+eyr:1972 cid:100
+hcl:#18171d ecl:amb hgt:170 pid:186cm iyr:2018 byr:1926
+
+iyr:2019
+hcl:#602927 eyr:1967 hgt:170cm
+ecl:grn pid:012533040 byr:1946
+
+hcl:dab227 iyr:2012
+ecl:brn hgt:182cm pid:021572410 eyr:2020 byr:1992 cid:277
+
+hgt:59cm ecl:zzz
+eyr:2038 hcl:74454a iyr:2023
+pid:3556412378 byr:2007
+
+pid:087499704 hgt:74in ecl:grn iyr:2012 eyr:2030 byr:1980
+hcl:#623a2f
+
+eyr:2029 ecl:blu cid:129 byr:1989
+iyr:2014 pid:896056539 hcl:#a97842 hgt:165cm
+
+hcl:#888785
+hgt:164cm byr:2001 iyr:2015 cid:88
+pid:545766238 ecl:hzl
+eyr:2022
+
+iyr:2010 hgt:158cm hcl:#b6652a ecl:blu byr:1944 eyr:2021 pid:093154719

day04/solution01.rb

@@ -51,5 +51,4 @@ passports.each_value do |passport|
     end
 end
 
-pp results
-
+pp results

day04/solution02.rb

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