Resolve days 2 to 6

02/script.rb

@@ -0,0 +1,69 @@
+#!/usr/bin/env ruby
+
+require_relative '../common'
+
+class Day02 < Day
+  WIN = 6
+  DRAW = 3
+  LOSE = 0
+
+  class MovePart1
+    def self.game
+      {
+        "X" => new("A", "C", 1),
+        "Y" => new("B", "A", 2),
+        "Z" => new("C", "B", 3)
+      }
+    end
+
+    def self.score(input)
+      game[input[2]].score(input[0])
+    end
+
+    def initialize(opponent_letter, beat_letter, score)
+      @opponent_letter = opponent_letter
+      @beat_letter = beat_letter
+      @score = score
+    end
+
+    def score(played_letter)
+      match_result = if @opponent_letter == played_letter
+        Day02::DRAW
+      elsif played_letter == @beat_letter
+        Day02::WIN
+      else
+        Day02::LOSE
+      end
+
+      match_result + @score
+    end
+  end
+
+  class MovePart2
+    SCORES = {
+      "A" => 1,
+      "B" => 2,
+      "C" => 3
+    }
+
+    def self.score(input)
+      if input[2] == "X"
+        Day02::LOSE + SCORES[SCORES.keys[SCORES.keys.index(input[0]) - 1]]
+      elsif input[2] == "Y"
+        Day02::DRAW + SCORES[input[0]]
+      else
+        Day02::WIN + SCORES[SCORES.keys[(SCORES.keys.index(input[0]) + 1) % SCORES.keys.size]]
+      end
+    end
+  end
+
+  def part1
+    stdin.map { |i| MovePart1.score i }.sum
+  end
+
+  def part2
+    stdin.map { |i| MovePart2.score i }.sum
+  end
+end
+
+Day02.run

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@@ -0,0 +1,300 @@
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03/script.rb

@@ -0,0 +1,23 @@
+#!/usr/bin/env ruby
+
+require_relative '../common'
+
+class Day03 < Day
+  def self.priority(char)
+    (("a".."z").to_a + ("A".."Z").to_a).index(char) + 1
+  end
+
+  def part1
+    stdin.map(&:chars).map do |rucksack|
+      self.class.priority((rucksack[0..(rucksack.size / 2) - 1] & rucksack[(rucksack.size / 2)..]).first)
+    end.sum
+  end
+
+  def part2
+    stdin.map(&:chars).each_slice(3).map do |group|
+      self.class.priority group.inject { |res, g| res & g }.first
+    end.sum
+  end
+end
+
+Day03.run

04/script.rb

@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+
+require_relative '../common'
+
+class Day04 < Day
+  def part1
+    stdin.map do |pair|
+      pair.split(',').map { |elve| first, last = elve.split('-'); first.to_i..last.to_i }
+    end.select do |pair|
+      pair.first.cover?(pair.last) || pair.last.cover?(pair.first)
+    end.size
+  end
+
+  def part2
+    stdin.map do |pair|
+      pair.split(',').map { |elve| first, last = elve.split('-'); first.to_i..last.to_i }
+    end.select do |pair|
+      pair.first.include?(pair.last.first) || pair.first.include?(pair.last.last) ||
+        pair.last.include?(pair.first.first) || pair.last.include?(pair.first.last)
+    end.size
+  end
+end
+
+Day04.run

05/input

@@ -0,0 +1,512 @@
+[S]                 [T] [Q]        
+[L]             [B] [M] [P]     [T]
+[F]     [S]     [Z] [N] [S]     [R]
+[Z] [R] [N]     [R] [D] [F]     [V]
+[D] [Z] [H] [J] [W] [G] [W]     [G]
+[B] [M] [C] [F] [H] [Z] [N] [R] [L]
+[R] [B] [L] [C] [G] [J] [L] [Z] [C]
+[H] [T] [Z] [S] [P] [V] [G] [M] [M]
+ 1   2   3   4   5   6   7   8   9 
+
+move 6 from 1 to 7
+move 2 from 2 to 4
+move 2 from 7 to 4
+move 6 from 4 to 3
+move 1 from 5 to 1
+move 3 from 8 to 3
+move 15 from 3 to 4
+move 6 from 5 to 9
+move 14 from 4 to 2
+move 3 from 2 to 7
+move 1 from 2 to 7
+move 9 from 9 to 1
+move 3 from 2 to 1
+move 7 from 6 to 7
+move 1 from 6 to 8
+move 2 from 9 to 1
+move 9 from 2 to 3
+move 8 from 3 to 9
+move 1 from 1 to 4
+move 1 from 8 to 6
+move 1 from 6 to 2
+move 5 from 9 to 8
+move 2 from 9 to 1
+move 1 from 4 to 2
+move 17 from 1 to 9
+move 1 from 3 to 1
+move 3 from 2 to 3
+move 2 from 4 to 5
+move 12 from 7 to 3
+move 16 from 9 to 2
+move 5 from 7 to 5
+move 2 from 1 to 2
+move 1 from 3 to 6
+move 1 from 4 to 6
+move 1 from 7 to 3
+move 1 from 6 to 3
+move 7 from 3 to 4
+move 5 from 8 to 3
+move 1 from 6 to 7
+move 7 from 3 to 4
+move 6 from 3 to 1
+move 2 from 4 to 8
+move 1 from 5 to 2
+move 10 from 4 to 5
+move 3 from 5 to 2
+move 2 from 8 to 9
+move 5 from 2 to 8
+move 1 from 3 to 5
+move 2 from 5 to 8
+move 12 from 5 to 7
+move 1 from 4 to 2
+move 5 from 9 to 4
+move 1 from 2 to 5
+move 6 from 1 to 3
+move 6 from 3 to 5
+move 10 from 7 to 4
+move 2 from 7 to 3
+move 4 from 7 to 6
+move 1 from 9 to 5
+move 12 from 2 to 1
+move 1 from 8 to 7
+move 3 from 7 to 4
+move 4 from 4 to 8
+move 7 from 5 to 3
+move 1 from 2 to 4
+move 10 from 1 to 5
+move 2 from 1 to 2
+move 4 from 6 to 7
+move 8 from 8 to 3
+move 5 from 4 to 9
+move 12 from 3 to 8
+move 4 from 3 to 8
+move 2 from 9 to 2
+move 3 from 5 to 4
+move 1 from 3 to 5
+move 1 from 7 to 6
+move 14 from 4 to 6
+move 6 from 5 to 9
+move 8 from 2 to 8
+move 3 from 5 to 7
+move 21 from 8 to 4
+move 16 from 4 to 9
+move 8 from 6 to 2
+move 4 from 6 to 1
+move 1 from 4 to 6
+move 2 from 4 to 8
+move 3 from 1 to 8
+move 2 from 4 to 6
+move 1 from 6 to 2
+move 3 from 8 to 4
+move 2 from 2 to 5
+move 2 from 5 to 7
+move 1 from 8 to 9
+move 1 from 4 to 9
+move 1 from 1 to 6
+move 3 from 6 to 3
+move 3 from 2 to 3
+move 1 from 4 to 6
+move 3 from 6 to 7
+move 10 from 9 to 7
+move 1 from 4 to 7
+move 6 from 8 to 3
+move 1 from 6 to 8
+move 2 from 2 to 5
+move 1 from 2 to 1
+move 1 from 8 to 9
+move 1 from 2 to 8
+move 1 from 1 to 9
+move 7 from 9 to 1
+move 1 from 8 to 5
+move 7 from 1 to 7
+move 3 from 5 to 8
+move 3 from 7 to 2
+move 1 from 8 to 4
+move 1 from 2 to 4
+move 2 from 4 to 6
+move 5 from 3 to 1
+move 9 from 7 to 2
+move 6 from 3 to 8
+move 8 from 2 to 7
+move 2 from 6 to 4
+move 2 from 1 to 7
+move 2 from 1 to 4
+move 24 from 7 to 4
+move 4 from 8 to 9
+move 2 from 7 to 5
+move 1 from 5 to 2
+move 1 from 3 to 8
+move 4 from 2 to 8
+move 13 from 9 to 2
+move 2 from 8 to 6
+move 3 from 9 to 6
+move 26 from 4 to 2
+move 1 from 5 to 7
+move 2 from 6 to 2
+move 2 from 4 to 1
+move 7 from 2 to 1
+move 15 from 2 to 6
+move 8 from 2 to 8
+move 4 from 6 to 8
+move 9 from 2 to 9
+move 13 from 6 to 7
+move 6 from 1 to 9
+move 2 from 2 to 4
+move 4 from 1 to 6
+move 3 from 8 to 3
+move 1 from 4 to 9
+move 2 from 6 to 7
+move 1 from 4 to 3
+move 3 from 3 to 2
+move 14 from 7 to 4
+move 5 from 9 to 5
+move 9 from 8 to 5
+move 7 from 9 to 6
+move 2 from 5 to 6
+move 2 from 9 to 2
+move 10 from 5 to 1
+move 1 from 3 to 1
+move 2 from 8 to 1
+move 1 from 9 to 2
+move 1 from 7 to 5
+move 4 from 2 to 1
+move 1 from 9 to 8
+move 3 from 4 to 1
+move 1 from 8 to 6
+move 12 from 1 to 5
+move 1 from 1 to 6
+move 1 from 7 to 5
+move 4 from 6 to 9
+move 2 from 2 to 4
+move 1 from 9 to 6
+move 1 from 1 to 5
+move 2 from 9 to 7
+move 10 from 6 to 5
+move 1 from 6 to 7
+move 20 from 5 to 1
+move 1 from 7 to 9
+move 2 from 9 to 1
+move 3 from 5 to 1
+move 2 from 8 to 4
+move 2 from 8 to 7
+move 1 from 5 to 9
+move 1 from 8 to 4
+move 22 from 1 to 7
+move 5 from 4 to 8
+move 1 from 5 to 9
+move 19 from 7 to 4
+move 2 from 9 to 1
+move 1 from 5 to 9
+move 10 from 1 to 8
+move 1 from 9 to 1
+move 1 from 8 to 3
+move 8 from 4 to 7
+move 1 from 5 to 6
+move 3 from 4 to 5
+move 1 from 5 to 9
+move 11 from 7 to 4
+move 4 from 4 to 9
+move 1 from 6 to 2
+move 1 from 3 to 9
+move 5 from 9 to 4
+move 5 from 7 to 9
+move 23 from 4 to 2
+move 17 from 2 to 7
+move 2 from 2 to 8
+move 4 from 4 to 7
+move 1 from 4 to 5
+move 2 from 5 to 2
+move 5 from 8 to 9
+move 5 from 2 to 7
+move 9 from 7 to 5
+move 11 from 9 to 2
+move 1 from 4 to 3
+move 5 from 8 to 7
+move 3 from 8 to 5
+move 2 from 1 to 3
+move 2 from 3 to 9
+move 1 from 5 to 8
+move 5 from 7 to 5
+move 15 from 5 to 4
+move 2 from 8 to 1
+move 2 from 5 to 1
+move 4 from 4 to 1
+move 1 from 8 to 7
+move 8 from 2 to 1
+move 4 from 2 to 8
+move 2 from 7 to 4
+move 5 from 8 to 6
+move 5 from 7 to 9
+move 4 from 6 to 5
+move 7 from 4 to 8
+move 1 from 6 to 1
+move 1 from 3 to 1
+move 2 from 5 to 1
+move 7 from 1 to 5
+move 5 from 1 to 3
+move 4 from 7 to 9
+move 4 from 3 to 9
+move 2 from 9 to 7
+move 6 from 9 to 2
+move 1 from 4 to 1
+move 1 from 3 to 5
+move 1 from 2 to 5
+move 5 from 9 to 4
+move 4 from 4 to 6
+move 1 from 8 to 9
+move 8 from 4 to 3
+move 7 from 7 to 3
+move 5 from 1 to 3
+move 11 from 5 to 9
+move 1 from 7 to 6
+move 2 from 3 to 5
+move 1 from 3 to 1
+move 3 from 6 to 2
+move 2 from 5 to 1
+move 2 from 1 to 2
+move 3 from 1 to 5
+move 5 from 9 to 2
+move 2 from 6 to 8
+move 2 from 3 to 8
+move 4 from 9 to 7
+move 3 from 5 to 2
+move 2 from 1 to 8
+move 1 from 9 to 8
+move 1 from 9 to 2
+move 4 from 7 to 9
+move 11 from 8 to 7
+move 1 from 8 to 2
+move 6 from 9 to 7
+move 3 from 7 to 1
+move 13 from 2 to 7
+move 24 from 7 to 1
+move 2 from 2 to 6
+move 1 from 8 to 3
+move 1 from 9 to 3
+move 5 from 2 to 4
+move 1 from 2 to 5
+move 1 from 6 to 2
+move 1 from 6 to 3
+move 1 from 2 to 4
+move 3 from 7 to 3
+move 2 from 1 to 7
+move 2 from 3 to 8
+move 2 from 7 to 8
+move 9 from 3 to 2
+move 3 from 4 to 8
+move 1 from 5 to 1
+move 9 from 2 to 1
+move 3 from 4 to 9
+move 1 from 7 to 8
+move 6 from 3 to 9
+move 2 from 1 to 5
+move 15 from 1 to 3
+move 13 from 3 to 9
+move 11 from 1 to 4
+move 5 from 4 to 1
+move 6 from 3 to 6
+move 4 from 4 to 8
+move 6 from 1 to 4
+move 1 from 5 to 2
+move 1 from 2 to 1
+move 3 from 4 to 2
+move 2 from 8 to 5
+move 2 from 4 to 2
+move 9 from 9 to 3
+move 9 from 3 to 5
+move 2 from 9 to 4
+move 5 from 2 to 6
+move 1 from 1 to 8
+move 1 from 4 to 1
+move 10 from 9 to 2
+move 9 from 2 to 4
+move 10 from 4 to 1
+move 3 from 1 to 3
+move 4 from 1 to 2
+move 5 from 2 to 4
+move 2 from 5 to 2
+move 4 from 1 to 7
+move 10 from 5 to 4
+move 2 from 2 to 4
+move 1 from 9 to 2
+move 2 from 3 to 5
+move 1 from 3 to 5
+move 3 from 6 to 7
+move 8 from 4 to 9
+move 6 from 6 to 1
+move 4 from 9 to 5
+move 2 from 9 to 1
+move 1 from 2 to 6
+move 6 from 5 to 2
+move 3 from 7 to 9
+move 4 from 8 to 2
+move 1 from 7 to 9
+move 1 from 5 to 3
+move 2 from 7 to 4
+move 1 from 7 to 1
+move 14 from 1 to 9
+move 1 from 1 to 9
+move 1 from 3 to 8
+move 3 from 2 to 5
+move 2 from 4 to 2
+move 6 from 8 to 1
+move 1 from 2 to 1
+move 5 from 1 to 9
+move 1 from 1 to 7
+move 2 from 8 to 5
+move 1 from 5 to 4
+move 1 from 6 to 1
+move 8 from 2 to 7
+move 2 from 6 to 1
+move 9 from 9 to 5
+move 11 from 4 to 8
+move 4 from 7 to 4
+move 6 from 4 to 6
+move 1 from 7 to 4
+move 6 from 6 to 7
+move 1 from 5 to 9
+move 6 from 8 to 9
+move 8 from 9 to 5
+move 1 from 4 to 5
+move 15 from 9 to 3
+move 3 from 1 to 4
+move 6 from 7 to 2
+move 3 from 4 to 9
+move 2 from 7 to 3
+move 1 from 7 to 3
+move 1 from 7 to 2
+move 2 from 8 to 1
+move 3 from 8 to 5
+move 2 from 1 to 7
+move 8 from 3 to 6
+move 3 from 6 to 5
+move 1 from 6 to 1
+move 10 from 5 to 7
+move 6 from 5 to 4
+move 4 from 2 to 4
+move 6 from 5 to 1
+move 6 from 1 to 8
+move 2 from 9 to 2
+move 2 from 9 to 7
+move 6 from 3 to 7
+move 1 from 3 to 5
+move 1 from 1 to 9
+move 2 from 8 to 1
+move 2 from 5 to 4
+move 3 from 3 to 7
+move 10 from 4 to 6
+move 1 from 9 to 7
+move 12 from 7 to 3
+move 12 from 3 to 8
+move 2 from 1 to 5
+move 1 from 1 to 3
+move 13 from 8 to 1
+move 7 from 7 to 1
+move 13 from 6 to 9
+move 1 from 7 to 4
+move 6 from 5 to 3
+move 3 from 4 to 3
+move 6 from 3 to 1
+move 10 from 9 to 4
+move 2 from 7 to 6
+move 8 from 1 to 9
+move 3 from 2 to 9
+move 1 from 3 to 5
+move 1 from 3 to 5
+move 1 from 1 to 4
+move 6 from 9 to 3
+move 2 from 6 to 7
+move 4 from 9 to 5
+move 4 from 1 to 6
+move 1 from 2 to 4
+move 6 from 1 to 4
+move 3 from 9 to 3
+move 3 from 6 to 8
+move 3 from 8 to 7
+move 5 from 5 to 1
+move 1 from 3 to 9
+move 1 from 9 to 5
+move 1 from 3 to 2
+move 2 from 5 to 1
+move 1 from 6 to 9
+move 1 from 6 to 3
+move 2 from 9 to 7
+move 2 from 8 to 1
+move 1 from 3 to 2
+move 1 from 2 to 5
+move 1 from 7 to 1
+move 7 from 7 to 9
+move 12 from 1 to 9
+move 1 from 5 to 2
+move 1 from 7 to 1
+move 13 from 4 to 7
+move 1 from 9 to 4
+move 5 from 7 to 3
+move 4 from 9 to 1
+move 8 from 7 to 9
+move 3 from 2 to 3
+move 4 from 3 to 7
+move 5 from 4 to 6
+move 3 from 9 to 4
+move 10 from 1 to 5
+move 3 from 4 to 7
+move 16 from 9 to 2
+move 3 from 9 to 2
+move 6 from 5 to 3
+move 4 from 6 to 2
+move 1 from 4 to 6
+move 2 from 6 to 8
+move 1 from 5 to 2
+move 1 from 5 to 8
+move 7 from 7 to 2
+move 16 from 2 to 1
+move 1 from 5 to 1
+move 10 from 2 to 8
+move 14 from 8 to 5
+move 2 from 2 to 6
+move 1 from 2 to 5
+move 2 from 2 to 1
+move 8 from 1 to 7
+move 4 from 1 to 7
+move 2 from 1 to 7
+move 5 from 3 to 2
+move 1 from 1 to 6
+move 2 from 2 to 5
+move 4 from 1 to 7
+move 1 from 2 to 8
+move 1 from 2 to 8
+move 3 from 6 to 7
+move 10 from 7 to 5
+move 1 from 2 to 8
+move 27 from 5 to 9
+move 1 from 5 to 6
+move 1 from 6 to 4
+move 1 from 4 to 3
+move 3 from 3 to 7
+move 4 from 3 to 6
+move 2 from 6 to 4
+move 3 from 8 to 1
+move 2 from 6 to 1
+move 12 from 7 to 8
+move 2 from 3 to 9
+move 1 from 9 to 2
+move 1 from 2 to 8
+move 2 from 1 to 2
+move 6 from 3 to 8
+move 1 from 7 to 4
+move 15 from 9 to 5
+move 7 from 9 to 4
+move 1 from 2 to 1
+move 16 from 8 to 2
+move 8 from 5 to 2
+move 24 from 2 to 9
+move 3 from 1 to 2
+move 24 from 9 to 1
+move 5 from 5 to 9
+move 3 from 4 to 1
+move 1 from 7 to 6
+move 1 from 6 to 3
+move 1 from 3 to 2
+move 3 from 2 to 3
+move 1 from 5 to 6
+move 1 from 2 to 7

05/script.rb

@@ -0,0 +1,63 @@
+#!/usr/bin/env ruby
+
+require_relative '../common'
+
+class Day05 < Day
+  class Store
+    def self.parse(input)
+      stacks_data = input.take_while { |line| line != "" }
+      instructions_data = input.drop_while { |line| !line.start_with?("move") }
+
+      stacks = stacks_data.pop.tr_s(' ', ' ').strip.split(' ')
+      crates = stacks_data.reverse
+
+      Store.new(stacks.map do |stack|
+        [
+          stack,
+          crates.map { |row| row[1 + 4 * (stack.to_i - 1)] }
+            .take_while { |crate| crate != " " }
+        ]
+      end.to_h, instructions_data)
+    end
+
+    attr_reader :stacks
+
+    def initialize(stacks, instructions)
+      @stacks = stacks
+      @instructions = instructions
+    end
+
+    def parse(instruction)
+      count, from, to = instruction.match(/move ([0-9]+) from ([0-9]+) to ([0-9]+)/).captures
+      [from, to, count.to_i]
+    end
+
+    def move_one_by_one(from, to, count)
+      count.times { stacks[to] << stacks[from].pop }
+    end
+
+    def move_multiple(from, to, count)
+      stacks[to] += stacks[from].pop(count)
+    end
+
+    def result_part1
+      @instructions.each { |instruction| move_one_by_one(*parse(instruction)) }
+      stacks.map { |_,v| v.last }.join
+    end
+
+    def result_part2
+      @instructions.each { |instruction| move_multiple(*parse(instruction)) }
+      stacks.map { |_,v| v.last }.join
+    end
+  end
+
+  def part1
+    Store.parse(stdin).result_part1
+  end
+
+  def part2
+    Store.parse(stdin).result_part2
+  end
+end
+
+Day05.run

06/golf.rb

@@ -0,0 +1 @@
+[4,14].each_with_object($<.read.chars){|i,s|p i+s.each_cons(i).find_index{_1.uniq==_1}}

06/input

@@ -0,0 +1 @@
+hrbbjllllspssblslvvrdrbbpbbmcccfppvbbwvbbmrmjrjrfrgfgbffgfqfqlltlwttscsncscchssrppffvwwvvpnnwwwpvwvhhnvhhbttvzzdlzdlzzwmmjhhznnjdnnnqddbtdbdbsdsmdsdrrdpdwpdppgcgqgcctftsfszslljbljbjwbwbnwnqqrnnztntmtrmmzwzdwzwgwwwjhjsjgjtjjhpjhhppqzqdqffrvrtvvsmmgwmgwgbbclltctptzpzhpzptzppcfpcfftflfzftztddzgzmmfsmsrmmsstttvbvmbvvsmsqmqlldjdtthwtwbwggrzzjrzrcctffsshqshhpthhlnhlhqhdqqrwrmmcttpfttzfzgzdgdzzwrrtsrrsnrnccrbbsssbpbjjvzzwlwtwjwsjwjggzqgzzrsszzjnzjzwjzzcrzczncnqqztzfzhfhvvtjvjdvjjmrjrppvzppczpczcggshghvhnhhsrsnsdszzdpzpzlpzzhwwmnwmwmcwwfnwfwjjcbcncllcsllqdqzzhqhmqmbbjvjjwwcjjpnpllzfzddtmtccqrcrtrwrpphpmpplslmltthnnvhhvrvbblhhrrdqqmbqqgtqggdgcdcvvsbsswvvpggbbtftlflglzlmlbbfhhrshswhshffhhdnnrfrvrmrnrprrmfmpmnpnfnggvvcncdcrczrzccpmmssrbbdjdtdrdwrrwhrrvrtvvszvvwvzzmhhjhhwlhlqlvlttzftztdtstftrfrdddmtmzzsqzqvvpdpdcpcncnrrtntznzrzgznztnznhhsqqnrqrhhlzhzthhfddrzdrrqmqggcmmllnjjvwwjccfjfqfcfzccwvcwvcvjcjtjtnnqsqmqrmrzrszrszzfwfggnmmcdmdjmmhwwgfwfnwnlwwcffsrffvnvbvnvwnwgnwnmmbzbmbpplmplpspzpmzpzdzgzrzrtrjrbbppwvwgwmggqwgghqqshhcwcqwcqcfcbbnsnrrtztzrtrvtvhthzhmmrqqrwqqsjqjcctgtwthhqmmnffmgmdgdlgljjhwjwggrqqfrqqjvqvhqqgsqsgsttmrrbprbppmjppslpsllvlfvlvrvhvtqmrjcdzwsbzfmgmwmwqwhztqrsdzhqjqvbjbntnbndflthljcczdmmhszfgsplrtlqnfzbrlqngwdqtfwcmrdjrsmdpmjmqwrbwfjzwnvqhfmlqtvvnlfzbfccwslqpbzzjccbvrzhghqwtvqgwrmsfzqnmnqqjsjtpcmngpqgllfsnpqtjjbqcdppnsmtwrslnrbqtwvnbctzvwfmgctscmzjbqqgqdwbpzmrdwgfcjzftzgmfcjhchbnmnqnrgtqngwrmncjvptqqdtjtgtpzzdrfsdgmwlwrjnqldbwrqjrhwcczlzvlhpgrnwzhbwjnpthggczfgtrjnzvnlfdfbwcnzfbwlwlmgnnjnpvhbhqgnzhqsnmvbcftsmrcgpvnnnmgnrvpbzlpwnbwpzmwpgqvbfgjwfrjqnvvgmqwwcfddqmdznmfhpjcfgptqdqwmplrglbwlmsqzjshrlhflcjvptgrcfhjfgqmlfzrtphpbvcqzwpcnwljjdlmqzhcctqshdngrgtlfsrfccdtlvmqcdgnpcvphdsrpzfzwclvsqcpzqlfvvqzggdhpfzdvhshglvfzfmcllrdfjfsjtngjgddcpqnlmrnplwtlvwdvzftltnsnspcdztgqhlhvvbnwvnmhscfnqbngpvprzfrjcmfpfzfftrlnwgllhnjndpjdrwcgqpcgcqngnbfzlvzvhnqdjthflmwvppmbdssddmgsbgrqnpjzrjpzdddqgsdlmwnhhpjbthclvqhgrsnrbqgtnsjhncnzbhrdgftvbptrqssvsqfpqnddhmgwcrfqndqjsqgffmhdvqhjrdlmrlcqctqccprwlbqgqrwmtfhwmfjfqzdqbsdsjbtsvfvgbsrvqwnqqqqthpsqgcfslsqtnjwtsrcdcctggdghrjwpbfccrtwgszwbrsjswmjmjbcqrsgbcfsdjzsbjnnssnddnnvwgftlrqvphnqcgjszscrlhhjnljlqcjqtqfwbmdmrgdlcqqwmbsmsdhpplvlfglqwspbfptlbzqjwhqmfvzvsvpjclcdzsbvntmhdqdvhghcmmflpjbglsghbswdshtsbdrgpsrsclrmfwwqbrgdjsqztgttqpwhnfhszlgbfpzhczsnwqflmshlgbrpmdzgpqwtsbssgfjbtrwbmztlwwfmsdgpgfgdjfdccwlfgztbcbqjvjtvslmddjplrswwcszspgplsrhrnwnmrrfbcgdmntcrlvnfqtwwcczsglrhtrfqnmhvgzjpmlplqvqhmnfgvzqcmzhqszgslvndqtqhvrbvbmclbcbjdswvcjrzgfdmdwnnlzlzqcffsrqdfmmpzfnmdsnqlpcrhzsdnsflblcjsfsgcnsspftjrlmdjsmfpqtmlgfvnlfnjscsgwzwvpjrvvclhsbqldlnmtglhbjfwlzmvrbvgtprfjbjhhnlqnbrswwlqtcgrjrltdrnfrjhrntllptlsbhqrwvdsfrlghtfcndznzjwcgmtdvffltgrdmljlqhdtmdvnfsfsrvdpmhlrrsttvqlwfptddwbpfrbclwwzmfpttmrmmqzjnbbnnfvzwmmcfshvrlbdbjzprftbqvdsghnnzwbjccpthdsvsdlgvphsgjdqjwsgmzqnqpqvgqjvwgjtzpmqqwnlwrwhqqjjclcbhjgpwhqdclwmqfmwbwmwwvcbhfznfhcfbprfcdqlbcttnvgnjwswcmpbrghtzgdbppbprffzjgvddzpwmdctrhnrfzdfhtmnfrsfdqvzcnrtncflhvldcndwqtvbggmwlzhchlcwtcbqcvlfhdwljgddwpvcfczvfqmphgtdsnsqwdpvvmwnwqjbrjwbdhhgtffphsdrvspsbgmfrmwmhnrgqdfppzgfpgmqjcsnglczgwhjthfhztzrlpgzjhcfrjpjvtjptptbvflftjtcfhmbwlhlbhvnjnbfmwjrgbvvhmdlncdgncgfjcnnpdljfcjsmsfscqpwsgcmlhhqmldsnjfrrqpghwncmgwgnjsdtvbhrbbnmpqjrrctqqnqzztmbqmdsgdvmmlwmbvprllzgntnmttrlzrttmjjlrwpwmtfznmwnsjmjhjdnsppfhcrjpzhjqzdtdbsjshfzzvrwvjbjbgtsfpgggbdztczwlhpmthfjdgsbrvlwmlrvgdrpjzccwmgpcnqqzmqdjqmwsrzwsmtmdjdhmjrwfwnzlmfnqtcgtslwtlnwhvmqntmglhntnsjlnmzfvfdztcfwmpchsrsdmqvqcwljzrmmssjvbmvvnmqlbsdwnrbmqctdtmfzlgfzpmjcnftgftvjpfbwwmzfdrrwjwcfwfcfmzbbnppgjrmbcvmvnjpdrzmvndvddtvshlnjjwgtsvnwtwnhcbfpnthpjlrhgrqccdgppjvdqjwqrfrrgnvhfwvjhnwhntnpmghphrtgqhwtbrqhqljfdjbgnlgmqqgfcqpqfhcpgspdbvlbfjvlrgmtjztwdzlrhqwwtcpdvsqgssjbjjgqlwbcctzzqvvmdzpfrmspmqhtzwgcfsslpnhpjfwqrrfbwbndrvhnnsjnlvlvqdsgwzjsrprhgtvsfbhbcpljdczbtdwzcnhzntrwcrjctmhtjfdlthznzmqblppzcqgpjhlzjrmcvpptfjjzltdhmvwphwlccscwrwfcqpqwwrzcmnltzdcfvtjrcvsqwtchrmdfzjmzjfhppjzbhglwqggzqqnspfmzrfwrqdqdrsdbsdhcgdqrrnjlwrqhfhpzjhrvjndqphndnnnbwhrjvqrrbvlhhbljjcwmfpvnhcszfshlsnczgtcfhjslbhzczdqdmdnvqdzhbmbpcnbntwgllfscrcwhfrgtfvftmwhbgfhjzjrbvvwc

06/script.rb

@@ -0,0 +1,21 @@
+#!/usr/bin/env ruby
+
+require_relative '../common'
+
+class Day06 < Day
+  def part1
+    find_marker 4
+  end
+
+  def part2
+    find_marker 14
+  end
+
+  private
+
+  def find_marker(size)
+    size + stdin.join.chars.each_cons(size).find_index { |chars| chars == chars.uniq }
+  end
+end
+
+Day06.run

common.rb

@@ -41,4 +41,8 @@ class Day
                  INPUT
                end
   end
+
+  def stdin
+    @stdin ||= ARGF.readlines.reject { |line| line.start_with? "#" }.map(&:chomp)
+  end
 end