Algorithm - Fresh Beginning

[Algorithm Question] Finding the origin of a Computer Virus from the given list of machine pairs

Recently, I worked on the algorithm problem that required to find the origin of computer virus given the list of infected machine pairs. In general you're given the input in the form of computer pairs (a, b) which indicates the virus infection from machine a to machine b. The goal

tic-tac-toe

Algorithm to Detect A tic tac toe Winner

Recently I was asked to work on the game of tic tac toe on iOS. Creating a game layout and rest of the business logic is straightforward, until it comes to detecting whether either side has won the game or not. There are 2 ways of solving this problem -

Algorithm

A Beautiful Refactor

For this post I am going to take a break from my regular story about how I rewrote the minesweeper game to Swift. This is more about the beautiful refactor and how I was able to eliminate lot of boilerplate code with simple algorithm to achieve what the old and

Interview

Dutch National Flag / 3 Way partition problem

Recently while going through interview questions, I came across this interesting problem - Called 3-way partitioning or also called as a Dutch National flag problem. In gist, the problem is given an array containing 3 distinct elements, (Say 0, 1 and 2) sort them in the increasing order. When you