Graphs: Connecting the Dots

What Are Graphs Actually? # After trees, graphs are the next big ……

Array Basics: The Foundation of DSA

What’s the Big Deal About Arrays? # Alright, let’s ……

Array Iterations Types to get different outputs

1. To merge some contiguous sequence # intervals = ……

Dynamic Programming: Not as Scary as It Sounds

The Big Misconception # Everyone says dynamic programming is hard. And ……

Hash Maps: The Data Structure That Saves You

The Problem Arrays Don’t Solve # Let’s say you have a ……

Linked Lists: When Arrays Feel Too Restrictive

The Problem with Arrays # Remember how I said arrays are great? Well, ……

Recursion: The Art of Thinking Small

What Recursion Actually Means # Recursion is when a function calls ……

Searching Algorithms: Finding Things Efficiently

The Search Problem # At its core, every search problem is simple: find ……

Sorting Algorithms: More Than Just .sort()

Let’s Be Honest # Most of the time, you just call .sort() ……

Stacks and Queues: LIFO and FIFO Explained

The Basic Idea # Alright, let’s get into two of the most ……

Trees: The Hierarchical Data Structure

What Even Is a Tree? # Before we dive in, let’s clear up what a ……