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In this video, you'll finally understand how hash tables really work — with a clear and simple Python example. We start by ...

Why does typing a name in your phone feel instant, even with millions of entries? This video shows what actually happens inside ...

using hashmap to store indicies, key- element value- index using arithmetic to calculate the difference, needed to add up to target.

In this lecture, we walk through the concept of the Map ADT, the Python dictionary, and how it is implemented using a hash table.

Let me know your thoughts below + problem suggestions.

Data Structures & Algorithms (DSA) – From Basics to Advanced Welcome to this Data Structures and Algorithms course designed ...

In this video, we break down the Edge List — the simplest way to store a graph in memory. We cover arrays vs hash tables, node ...

You've built a Contact Book. Now let's level up. In this third installment of our dictionary project series, we're building something ...

Hashing is an important technique used to store and retrieve data efficiently using hash tables and hash functions. This lecture ...

If you're wondering whether Data Structures & Algorithms are still worth learning in 2026 ? This video will give you the answer ...

DSA Phase-2 Arrays and Strings tutorial focusing on Frequency Count using Hash Map or Object. In this video you will learn what ...

When two keys map to the same index in a hash table, a collision occurs. To maintain efficiency, different techniques are used to ...

In this video, we solve the classic interview problem Subarray Sum Equals K starting from the brute force approach and then ...

You've just been handed a suspicious file. What do you do first? In this episode, we walk through the first three tools in a malware ...

When two keys map to the same index in a hash table, a collision occurs. In this lecture, we solve a step-by-step numerical ...

Stop scanning and start looking up! In this deep-dive whiteboard session, we break down the most versatile tool in your coding ...