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Looking something up in an array? O(n). Looking it up in a hash table? O(1). Hash tables use a hash function to transform ...

Master LeetCode's most famous interview problem - Two Sum (#1). This video covers: • Problem explanation with examples • Why ...

Arrays and HashMaps are some of the most important topics in coding interviews — and once you understand them, many ...

In this video, I solve LeetCode Problem 1 – Two Sum with a clear and beginner-friendly explanation. You'll learn: • Problem ...

SQL Superstar in 50 Days by Sumit Mittal To know about my Ultimate Data Engineering Program - https://www.trendytech.in ...

TwoSumProblem #DSA #CodingInterview Two Sum Problem Explained in Java | Brute Force vs O(n) Hash Map | Leetcode ...

Struggling with thread-safe Java Sets? Choosing the wrong Set implementation can lead to performance bottlenecks, race ...

In this video we unpack cryptographic hash functions — what they are, why they're trusted, and how they secure everything from ...

Most people memorize the Prefix Sum + Hash Map solution for Subarray Sum Equals K — but don't truly understand why it works.

What exactly is Bitcoin Mining and why does it consume energy? It's not just about solving math problems—it's about solving the ...

Learn how to solve the famous "Insert Delete GetRandom O(1)" coding interview problem with a constant time complexity solution!

... #BlockchainTutorial #AndersBrownworth #HashFunction #BlockchainMining #DistributedLedger #CryptoBasics #Web3 #DeFi.

This problem looks hard… until you learn the Sliding Window pattern In this video, you'll learn how to solve the Minimum ...

Ever wondered how websites can store millions of passwords without actually knowing any of them? And why even after a ...

In this video, we will learn load factor and performance analysis in hashing, which is an important topic of Unit 5 – Data Structures ...

Learn the fundamentals of the Trie Data Structure (Prefix Tree) in this beginner-friendly guide! We break down how Tries work, ...

Hashing is a fundamental concept in backend development and cybersecurity, especially for password storage and authentication ...

Welcome back to Study Buddy AI! Your smart companion for simplifying university-level tech lectures. In Lecture 06 of our ...

Learn how Hash Table Search works in Python using a dictionary. This is one of the fastest searching techniques with O(1) ...

In this video, we solve the classic LeetCode problem: Two Sum using C++. Given an array of integers and a target value, we need ...