Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where to even start. This guide is here to break down the common approaches and ...

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 ...

Getting started with LeetCode can feel like a lot, especially if you’re just beginning your coding journey. So many problems, so many concepts – it’s easy to get lost. But don’t sweat it. This guide ...

Are you one of those folks who get confused about the concept of mutable and immutable objects in Python? I was too. Let’s clear this up together in this fun and beginner-friendly blog. A list is a ...

Note: Some of the code here is old and was written when I was learning C++. It might be possible that code is not safe or making wrong assumptions. Please use with caution. Pull requests are always ...

https://leetcode.com/problems/sum-of-two-integers/ (highly recommend) https://leetcode.com/problems/bitwise-and-of-numbers-range/submissions/ (medium) https ...