ghaiklor

const fs = require('fs');
const INPUT = fs.readFileSync('./input.txt', 'utf-8');
const REPLACEMENTS = INPUT.split('\n\n')[0].split('\n').reduce((map, r) => map.set(r.split(' => ')[1], r.split(' => ')[0]), new Map());

let MOLECULE = INPUT.split('\n\n')[1];
let count = 0;

while (MOLECULE !== 'e') {
  const randomMolecule = Array.from(REPLACEMENTS.keys())[Math.round(Math.random() * REPLACEMENTS.size)];

ghaiklor

var INPUT = 34000000 / 10;
var houses = new Uint32Array(INPUT);
var houseNumber = INPUT;

for (var i = 1; i < INPUT; i++) {
  for (var j = i; j < INPUT; j += i) {
    if ((houses[j] += i) >= INPUT && j < houseNumber) houseNumber = j;
  }
}

ghaiklor

var INPUT = 34000000 / 10;
var houses = new Uint32Array(INPUT);
var houseNumber = INPUT;

for (var i = 1; i < INPUT; i++) {
  var visits = 0;
  for (var j = i; j < INPUT; j += i) {
    if ((houses[j] = (houses[j] || 11) + i * 11) >= INPUT * 10 && j < houseNumber) houseNumber = j;

    visits++;

ghaiklor

const WEAPONS = new Map([
  ['dagger', {cost: 8, damage: 4, armor: 0}],
  ['shortsword', {cost: 10, damage: 5, armor: 0}],
  ['warhammer', {cost: 25, damage: 6, armor: 0}],
  ['longsword', {cost: 40, damage: 7, armor: 0}],
  ['greataxe', {cost: 74, damage: 8, armor: 0}]
]);

const ARMOR = new Map([
  ['nothing', {cost: 0, damage: 0, armor: 0}],

ghaiklor

const WEAPONS = new Map([
  ['dagger', {cost: 8, damage: 4, armor: 0}],
  ['shortsword', {cost: 10, damage: 5, armor: 0}],
  ['warhammer', {cost: 25, damage: 6, armor: 0}],
  ['longsword', {cost: 40, damage: 7, armor: 0}],
  ['greataxe', {cost: 74, damage: 8, armor: 0}]
]);

const ARMOR = new Map([
  ['nothing', {cost: 0, damage: 0, armor: 0}],

ghaiklor

class Player {
  constructor(initial, isWizard) {
    this.history = [];
    this.initial = initial;
    this.isWizard = !!isWizard;

    if (this.isWizard) {
      this.spells = [{
        cost: 53,
        effect: (m, o) => o.damage(4)

ghaiklor

class Player {
  constructor(initial, isWizard) {
    this.history = [];
    this.initial = initial;
    this.isWizard = !!isWizard;

    if (this.isWizard) {
      this.spells = [{
        cost: 53,
        effect: (m, o) => o.damage(4)

ghaiklor

const fs = require('fs');
const INPUT = fs.readFileSync('./input.txt', 'utf-8').split('\n');
const SIMPLE_INSTRUCTION = /(hlf|tpl|inc) (\w+)/;
const SIMPLE_JUMP_INSTRUCTION = /(jmp) ([+-]\d+)/;
const CONDITIONAL_JUMP_INSTRUCTION = /(jie|jio) (\w+), ([+-]\d+)/;

const PROCESSOR = new Map([
  ['a', 0],
  ['b', 0]
]);

ghaiklor

const fs = require('fs');
const INPUT = fs.readFileSync('./input.txt', 'utf-8').split('\n');
const SIMPLE_INSTRUCTION = /(hlf|tpl|inc) (\w+)/;
const SIMPLE_JUMP_INSTRUCTION = /(jmp) ([+-]\d+)/;
const CONDITIONAL_JUMP_INSTRUCTION = /(jie|jio) (\w+), ([+-]\d+)/;

const PROCESSOR = new Map([
  ['a', 1],
  ['b', 0]
]);

ghaiklor

const Combinatorics = require('./combinatorics');
const fs = require('fs');
const INPUT = fs.readFileSync('./input.txt', 'utf-8').split('\n').map(Number);
const TOTAL_SUM = INPUT.reduce((total, x) => total + x, 0);
const GROUP_WEIGHT = TOTAL_SUM / 3;
const VALID_PACKAGES = [];

for (var i = 1; VALID_PACKAGES.length === 0; i++) {
  var combination = Combinatorics.combination(INPUT, ++i);
  var cmb;