Are you aiming for a FAANG company or want to crack your first tech interview? Data structures are the backbone of coding interviews. This subject shows your problem-solving, logic, and optimization ...

If you are just joining or still wrapping your head around time complexity, start with my first post on Big-O Notation. It explains how we think about performance and why it matters when writing ...

I invested 6+ hours to create this cheatsheet of 53 DSA problem-solving patterns & 265 problems of the 6 most commonly asked important data structures in interviews. (Problems are at the end) 1.

I originally created this as a short to-do list of study topics for becoming a software engineer, but it grew to the large list you see today. After going through this study plan, I got hired as a ...

BFS is an abbreviation for Breadth First Search. Breadth First Search is a traversal technique which implements queue data structure that follows FIFO (First In First Out) rule. One of the common ...