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All my links available here: https://nikoo28.github.io/all-my-links/ Chapters: 00:00 - Intro 00:48 - What is a prefix sum? 02:05 ...

In this video, we'll learn about the Prefix Sum Technique used in DSA, explained fully in Tamil. Prefix Sum is one of the most ...

Welcome to **CodeAfterCoffee** – your new favourite place to learn coding and grow as a developer… all after a good cup of ...

Invaluable problem navigator: https://topmate.io/nikoo28/1672249?utm_source=public_profile&utm_campaign=nikoo28 Join this ...

Why Should You Learn DSA Patterns in 2025? https://www.youtube.com/watch?v=qH2VQY48mg4 DSA Patterns Playlist: https://www ...

In this video, Abhinav Awasthi from GeeksforGeeks takes you through the concept of Prefix Sum, a powerful technique in ...

Get all company specific questions: https://topmate.io/nikoo28/1744544?utm_source=public_profile&utm_campaign=nikoo28 Join ...

Follow me on my new Instagram: https://instagram.com/srks.life The old link below doesn't work anymore — I changed my ID!

Why Should You Learn DSA Patterns in 2025? https://www.youtube.com/watch?v=qH2VQY48mg4 DSA Patterns Playlist: ...

Learn how to optimize array queries with Prefix Sum and Difference Arrays! This tutorial provides a beginner-friendly guide to ...

DSA Patterns Playlist: https://www.youtube.com/playlist?list=PLbJhGqY-mq47k_WLUtzVjmarUm1EuXPj2 Find the pattern sheet ...

Master the Prefix Sum algorithm Transform slow O(n) queries into instant O(1)! Learn with Java examples, brute force vs ...

In this video, we'll learn the Prefix Sum technique – a powerful and commonly used concept in Data Structures and Algorithms for ...

This video is a deep dive into the Stream Scan algorithm, a single-pass alternative to the multi-pass hierarchical prefix sum in ...

In this tutorial, we’ll dive deep into the prefix sum technique, a powerful concept used to efficiently solve range queries ...

When To Use Prefix Sum Algorithm? In this engaging video, we'll dive into the prefix sum algorithm, a technique that can ...

Unlock the secrets to solving the 'Vowel String Queries' problem like a pro! In this tutorial, we dive deep into Java's prefix sum ...

Struggling with LeetCode problems? Unlock the secrets to efficient problem-solving by mastering these 14 essential patterns!

prefix sum array suffix sum array competitive programming codeforces sheet : https://codeforces.com/group/isP4JMZTix/contests ...

Video Summary: Building the Intuition for a HashMap based technique. We see that sliding window fails on negative numbers.