MohdSaifulM

function countUniqueValues(arr){
    if (arr.length === 0) return 0;
    
    let unique = 0;
    let lookAhead = 1;

    while (lookAhead < arr.length) {
        if (arr[unique] !== arr[lookAhead]) {
            unique++;
            arr[unique] = arr[lookAhead];

MohdSaifulM

function averagePair(arr, average) {
    if (arr.length < 2) return false;

    let left = 0;
    let right = arr.length - 1;

    const findAverage = (num1, num2) => {
        return (num1 + num2) / 2;
    }

MohdSaifulM

function areThereDuplicates(...arr) {
    if (arr.length === 0) return false;

    arr = arr.sort();

    let unique = 0;

    for (let index = 1; index < arr.length; index++) {
        if (arr[unique] === arr[index]) {
            return true;

MohdSaifulM

function validAnagram (firstStr, secondStr) {
    if (firstStr.length !== secondStr.length) return false;
    
    let freqCount = {};

    for (let x of firstStr) {
        freqCount[x] = (freqCount[x] || 0) + 1
    }

    for (let y of secondStr) {

MohdSaifulM

function sameFrequency(first, second){
    const firstStr = first.toString();
    const secondStr = second.toString();

    if (firstStr.length !== secondStr.length) return false;

    let frequencyCounter = {};

    for (let x of firstStr) {
        frequencyCounter[x] = (frequencyCounter[x] || 0) + 1;