Leetcode is famous for being a perfect platform for practicing coding problems and to master coding interviews, unlike others, it is not for competitive programming, this guide will help you to get started with Leetcode without losing hope too early.

xkcd, sometimes styled XKCD, is a webcomic created in 2005 by American author Randall Munroe. The comic's tagline describes it as A webcomic of romance, sarcasm, math, and language. Munroe states on the comic's website that the name of the comic is not an initialism, but just a word with no phonetic pronunciation.