carefree-ladka

class Node {
  constructor(value) {
    this.value = value;
    this.next = null;
    this.prev = null;
  }
}

class DoublyLinkedList {
  constructor() {

carefree-ladka

class TicTacToe {
  constructor() {
    this.board = Array(3)
      .fill(null)
      .map(() => Array(3).fill(null));
    this.gameOver = false;
    this.winner = null;
    this.currentPlayer = "X";
    this.winningPositions = [
      [0, 1, 2],

carefree-ladka

Function.prototype.myBind = function (scope, ...args) {
  scope.fn = this;
  return function () {
    return scope.fn(...args);
  };
};

Function.prototype.myApply = function (scope, args) {
  scope.fn = this;
  return scope.fn(...args);

carefree-ladka

/* 
Author: Pawan Kumar
Date : 04/28/2023
Location: Bangalore, India
*/

class MyPromise {
  constructor(executor) {
    let resolved = false;
    let rejected = false;

carefree-ladka

function findRepeatingIndex(string) {
  const map = {};
  for (let i = 0; i < string.length; i++) {
    const char = string[i];
    if (!map[char]) {
      map[char] = { startingIndex: i };
    } else {
      map[char].endIndex = i;
    }
  }

carefree-ladka

export default class MyPromise {
  constructor(executor) {
    let resolved = false;
    let rejected = false;
    let resolveValue;
    let rejectValue;
    let resolveCallbacks = [];
    let rejectCallbacks = [];

    function resolve(value) {

carefree-ladka

class Node {
  constructor(key, value) {
    this.key = key;
    this.value = value;
  }
}

class LinkedList {
  constructor() {
    this.head = null;

carefree-ladka

function isPalindrome(str) {
  let low = 0;
  let high = str.length - 1;
  while (low < high) {
    if (str[low] !== str[high]) return false;
    low++;
    high--;
  }
  return true;
}

carefree-ladka

class TrieNode {
  constructor() {
    this.children = {};
    this.end = false;
  }
}

class Trie {
  constructor() {
    this.root = new TrieNode();

carefree-ladka

class Graph {
  constructor() {
    this.adjList = new Map();
  }

  addVertex = (v) => {
    if (!this.adjList.has(v)) {
      this.adjList.set(v, []);
    }
  };