Algorithms

Rotting Oranges

Recently, I came across this very beautiful problem which is also a very good use case of graph breadth first search algorithm.

Graph: Depth First Search

Suppose, you are trying to build a project and it has multiple modules. Different modules may depend on each other…

Minesweeper

Merge Sort

Sorting is a technique used to arrange the collection of objects into either ascending order or descending order. There are many sorting…

Letter Combinations of a Phone Number

In the ancient times, when there were no smartphones, the mobile phones used to have a keypad…

Queens That Can Attack the King

Problem Statement:

There is an 8x8 chessboard, there can be multiple Black Queens and one White King. We are given with the coordinates of all the black queens and and one white king, we have to return all the queens (in any order) that…

Regular Expression Matching

Hi! Today we are going to talk about a very useful concept known as regular expressions also called regex.

Partition to k equal sum subsets

Hi guys, I am back with another coding interview problem. So, here we go!

WINE SELLING PROBLEM

Today, we will have a walkthrough of a classical interview problem. This problem has been asked in many coding interviews…