ProblemWe are required to write a JavaScript function that takes in an array of unique integers, arr, as the first argument, and target sum as the second argument.Our function should count the number of all pairs (with repetition allowed) that can add up to the target sum and return that ... Read More

ProblemWe are required to write a JavaScript function that takes in two sorted arrays of Integers as the first and the second argument respectively, arr1 and arr2.The third argument to the function will be a number, num, and num will always be lesser than the length of both the arrays. ... Read More

ProblemWe are required to write a JavaScript function that takes in a 2-D array of Numbers as the first argument and a target sum number as the second argument.Our function should find out that rectangle from the 2-D array which has the greatest sum among all rectangles in the array ... Read More

ProblemSuppose, we have a 2D grid, each cell is either a wall 'W', an enemy 'E' or empty '0' (the number zero). We are required to write a function that returns the maximum enemies we can kill using only one bomb.The bomb kills all the enemies in the same row ... Read More

ProblemSuppose, a mathematical function given by −f(x) = ax2 + bx + cWhere a, b and c are three constants.We are required to write a JavaScript function that takes in a sorted array of Integers, arr as the first argument and a, b and c as second, third and fourth ... Read More

ProblemWe are required to write a JavaScript function that takes in a string of characters, str, as the first argument and a number, num, (num {    const map = {};    for(let i=0; i{       if(map[a] len){       return "";    };    const ... Read More

ProblemWe are required to write a JavaScript function that takes in a number, let’s say num, as the only argument. The function should count all such numbers that have num digits and all of their digits are unique.For example, if the input to the function is −const num = 1;Then ... Read More

ProblemSuppose, we have the following code that creates a Binary Search Tree DS and provides us with the functionality to insert node −class Node{    constructor(data) {       this.data = data;       this.left = null;       this.right = null;    }; }; class BinarySearchTree{ ... Read More

A webpage with fluid sidebar and main content area is created by setting the size of html and body to 100%.The following example illustrates this.Example Live Demo html, body {    height: 100%;    color: white;    font-size: 2em;    line-height: 200px; } #parent {    display: table; ... Read More

A full-height page with a fixed sidebar and scrollable content area can be created by setting the height to 100% and applying proper positioning of elements.The following example illustrates the above.Example Live Demo .main {    margin-left: 140px;    font-size: 200%;    padding: 0 3%; } section { ... Read More