runandrerun

// JavaScript

strangeSequence = (num) => {
  let numbers = []
  let count = 1
  while (numbers.indexOf(num) === -1) {
    count++
    numbers.push(num)
    num = ("" + num).split("").map(num => num * num).reduce((a, b) => a + b)
  }

runandrerun

// JavaScript

strangeSequence = (num) => {
  let numbers = []
  let count = 1
  while (numbers.indexOf(num) === -1) {
    count++
    numbers.push(num)
    num = ("" + num).split("").map(num => num * num).reduce((a, b) => a + b)
  }

runandrerun

// JavaScript

// Question #1

strangeSequence = (num) => {
  let numbers = []
  let count = 1
  while (numbers.indexOf(num) === -1) {
    count++
    numbers.push(num)

runandrerun

// JavaScript

// Question #1

strangeSequence = (num) => {
  let numbers = []
  let count = 1
  while (numbers.indexOf(num) === -1) {
    count++
    numbers.push(num)

runandrerun

// JavaScript

// Question #1

strangeSequence = (num) => {
  let numbers = []
  let count = 1
  while (numbers.indexOf(num) === -1) {
    count++
    numbers.push(num)

runandrerun

Input: Initial State = [2, 3, 4, 5] | Unlock Code = [5, 4, 3, 2] 
Output: Rotations required = 8
Explanation : 1st ring is rotated 3 times as 2 => 3 => 4 => 5
              2nd ring is rotated 1 time as 3 => 4
              3rd ring is rotated 1 time as 4 => 3
              4th ring is rotated 3 times as 5 => 4 => 3 =>2

Input: Initial State = [1, 9, 1, 9] | Unlock Code = [0, 0, 0, 0] 
Output: Rotations Required = 4
Explanation : 1st ring is rotated 1 time as as 1 => 0

runandrerun

combinationLock = (initialState, code) => {
  
  // declare a variable to account for total turns
  let totalTurns = 0;
  
  // iterate over the initialState array
  // this what the lock looks like when it's first handed to you
  
  initialState.forEach((i, index) => {
    // i is the value

runandrerun

combinationLock = (initialState, code) => {
  let totalTurns = 0;
  initialState.forEach((i, index) => {
    let turns = Math.abs(i - code[index]);
    if (turns <= 5) {
      return (totalTurns += turns);
    } else {
      const newTurns = 10 - turns;
      return (totalTurns += newTurns);
    }

runandrerun

const closestEnemy = (arr) => {
  let player = [];
  let enemy = [];
  let distance = 0;
  let rowLength = arr[0].length;
  let board = arr.length;
  
  // iterate over the length of the board stored in arrWidth
  for (let i = 0; i < board; i++) {
    

runandrerun

const closestEnemy = (arr) => {
  let player = [];
  let enemy = [];
  let distance = 0;
  let rowLength = arr[0].length;
  let board = arr.length;
  
  // iterate over the length of the board stored in arrWidth
  for (let i = 0; i < board; i++) {