carlwiedemann

require_relative "main"

module Day008
  INPUT = File.read("INPUT.txt")

  EMPTY = "."

  grid = INPUT.to_grid

  h = grid.each_with_object(Hash.new { |h, k| h[k] = [] }) { |v, c, memo| memo[c].push(v) if c != EMPTY }

carlwiedemann

require_relative "main"

module Day007
  INPUT = File.read('INPUT.txt')

  DATA = INPUT.split("\n").map do |line|
    parts = line.split(":")
    [
      parts[0].to_i,
      parts[1].split(" ").map(&:to_i)

carlwiedemann

require_relative "main"

module Day006
  INPUT = File.read('INPUT.txt')

  grid = INPUT.to_grid

  NORTH = V[0, -1]
  SOUTH = V[0, 1]
  WEST = V[-1, 0]

carlwiedemann

require_relative "main"

module Day005
  INPUT = File.read('INPUT.txt')

  rules_raw, updates_raw = INPUT.split("\n\n")

  rules = rules_raw.split("\n").map { _1.split("|").map(&:to_i) }
  updates = updates_raw.split("\n").map { _1.split(",").map(&:to_i) }

carlwiedemann

require_relative "main"

module Day004
  INPUT = File.read('INPUT.txt')

  ##########
  # Part 1 #
  ##########

  grid = INPUT.to_grid

carlwiedemann

require_relative "main"

module Day003
  INPUT = File.read('INPUT.txt')

  ##########
  # Part 1 #
  ##########
   
  MUL_REGEX = /mul\(\d+,\d+\)/

carlwiedemann

require_relative "main"

module Day019
  INPUT = File.read('INPUT.txt')

  parts = INPUT.split("\n\n")

  guides = parts.first.to_lines.map do |guide_line|
    guide_pieces = guide_line.split("{")
    name = guide_pieces.first

carlwiedemann

require_relative "main"

module Day007
  INPUT = File.read('INPUT.txt')

  DATA = INPUT.to_lines.map do |line|
    cards, bid = line.split_strip(" ")
    {
      cards: cards,
      bid: bid.to_i

carlwiedemann

require_relative "main"

module Day008
  INPUT = File.read('INPUT.txt')

  lines = INPUT.to_lines
  instructions = lines.shift.chars
  lines.shift

  graph = lines.map do |line|

carlwiedemann

require_relative "main"

module Day009
  INPUT = File.read('INPUT.txt')

  lines = INPUT.to_lines

  sets = lines.map do |line|
    line.split(" ").map(&:to_i)
  end