cranderveldt

const puzzleInput = ``

const parseInput = (input) => {
  return input.split(/\n/)
}

// Part 1
const nextDir = (facing, going, amount) => {
  const clockwise = 'NESW'
  const facingIndex = clockwise.indexOf(facing)

cranderveldt

const puzzleInput = ``

// Common
const parseInput = (input) => {
  return input.split(/\n/).map(x => x.split(''))
}

const considerSurroundings = (rows, rowIndex, colIndex, comparator, maxDistance, threshold) => {
  const range = [-1, 0, 1]
  return range.reduce((acc1, yOffset) => (

cranderveldt

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.split(/\n/).map(x => parseInt(x))
}

const getDifferences = (adapters) => {
  return adapters.map((adapter, index) => {
    let prev = adapters[index - 1] || 0

cranderveldt

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.split(/\n/).map(x => parseInt(x))
}

const findInvalidNumber = (numbers) => {
  return numbers.reduce((acc, number, index) => {
    if (index < 25) { return acc }

cranderveldt

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.split(/\n/)
}

const interpretInstruction = (line) => {
  let [command, amount] = line.split(' ')
  return {

cranderveldt

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.split(/\n/)
}

const interpretRule = (rule) => {
  const matches = [...rule.matchAll(/^([a-z ]+) bags contain ((\d+ [a-z ]+(, )?)+|no other bags)\.$/gi)][0]
  const contain = matches[2].split(', ').map(str => {

cranderveldt

// Pro tip: watch for google trying to auto-translate the puzzle input lol

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.split(/\s\s/)
}

const groupCountAny = (group) => {

cranderveldt

const puzzleInput = ``

// Part 1
const TOTAL_ROWS = 128
const TOTAL_COLS = 8

const parseInput = (input) => {
  return input.split('\n')
}

cranderveldt

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.replace(/\s/gi, '\n').split('\n\n')
}

const validateSurfaceFields = passport => {
  const fields = passport.split('\n').map(field => field.substr(0, 3))
  return fields.length === 8 || (fields.length === 7 && !fields.includes('cid'))

cranderveldt

const puzzleInput = ``

// Part 1
const parseInput = (input) => {
  return input.split('\n')
}

const traverse = (rows, colInc, rowInc = 1) => {
  return rows.reduce((acc, row, index) => {
    if (index % rowInc !== 0) { return acc }