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Prefix Sum Arrays or simply Prefix Sums are used to perform fast range sum queries on a given array. The total time complexity of ...

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Hello guys, cheers to another piece of learning. Today I talked why we use Prefix Sum Arrays! Why do we need them when we ...

Prefix sum algorithm is mainly used for range query and the complexity of prefix sum algorithm is O(n). This video explains the ...

This video shows you how to use prefix sums to find the sum of the numbers in a range of a list of numbers in Python 3. The time ...

You must know how prefix sum algorithm can help you to improve the performance of your code. This video explains the need of ...

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Subarray Sum Equals K | Prefix Sums | Leetcode 560 | Animation | Intuition In this video we have seen an animation of how to ...

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A 2-dimensional prefix sum is a powerful algorithmic technique used in computer science and mathematics to preprocess a given ...

This video is part of an online course, Intro to Parallel Programming. Check out the course here: ...

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An efficient prefix sum algorithm to find the prefix sum 1D and 2D array. Problem: We have an 1D array and 2D array (matrix) of ...

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

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