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Profound Academy
2D Prefix Sum and Submatrix Sum Queries

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

5:12
2D Prefix Sum and Submatrix Sum Queries

21,202 views

2 years ago

NeetCode
Range Sum Query 2D - Immutable - Leetcode 304 - Python

https://neetcode.io/ - A better way to prepare for Coding Interviews Discord: https://discord.gg/ddjKRXPqtk Twitter: ...

13:17
Range Sum Query 2D - Immutable - Leetcode 304 - Python

67,485 views

3 years ago

Code Steve
USACO - How to do a 2D Prefix Sum in any language (C++, Python, Java, etc)

For move videos visit my Patreon at http://patreon.com/HowToUSACO For private 1 to 1 online tutoring visit my WyzAnt at ...

18:32
USACO - How to do a 2D Prefix Sum in any language (C++, Python, Java, etc)

4,716 views

3 years ago

Profound Academy
Prefix Sum Array and Range Sum Queries

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

7:30
Prefix Sum Array and Range Sum Queries

43,671 views

2 years ago

Luv
Pre-Computation using Prefix Sum in 1D/2D Arrays | Competitive Programming Course | EP 13

PRE-COMPUTATION TECHNIQUES PLAYLIST: https://youtube.com/playlist?list=PLauivoElc3ginp_2p2cX5i-jrBI32xGuX FREE COMPETITIVE ...

24:16
Pre-Computation using Prefix Sum in 1D/2D Arrays | Competitive Programming Course | EP 13

205,196 views

4 years ago

AlgoMasterIO
Prefix Sum in 4 minutes | LeetCode Pattern

Master DSA Patterns: https://algomaster.io/ ▻ My DSA Playlist: ...

4:13
Prefix Sum in 4 minutes | LeetCode Pattern

129,805 views

1 year ago

DS Algo
Prefix Sum 1D and 2D Array Algorithm

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 ...

19:40
Prefix Sum 1D and 2D Array Algorithm

4,029 views

3 years ago

Nikhil Lohia
Range Sum Query 2D | also covers 1D array | Interview Essential | Prefix Sum

All my links available here: https://nikoo28.github.io/all-my-links/ Actual Problem: ...

19:31
Range Sum Query 2D | also covers 1D array | Interview Essential | Prefix Sum

1,482 views

2 months ago

People also watched

Rajesh Aatrayan
Sum of all Submatrices

Problem Description Given a 2D Matrix A of dimensions N*N, we need to return sum of all possible submatrices. Input Format ...

16:36
Sum of all Submatrices

6,236 views

5 years ago

Coach355
CP1 Topic 3: Video 4: Matrix Block Sum

So we use a technique uh called the 2d prefix sum array so uh in topic one we covered the prefix sum array and and the ...

14:23
CP1 Topic 3: Video 4: Matrix Block Sum

3,456 views

5 years ago

DuoWei Education
Prefix Sum Differ Array 2D

Don't forget to like , comment and subscribe for more videos and tutorials like this! #competitiveprogramming #coding ...

17:02
Prefix Sum Differ Array 2D

760 views

3 years ago

coderZone
Prefix Sum Clearly Explained

Popular algorithmic concept Prefix Sum clearly demonstrated. More videos about practical used to be uploaded within days, in the ...

3:39
Prefix Sum Clearly Explained

7,511 views

3 years ago

JAVAAID - Coding Interview Preparation
Prefix Sum Algorithm | Prefix Sum Array | Difference Array | Range Sum QueryO(1) | EP2

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

7:08
Prefix Sum Algorithm | Prefix Sum Array | Difference Array | Range Sum QueryO(1) | EP2

165,160 views

6 years ago

One Code Man
Subarray Sum Equals K - LeetCode 560 - Coding Interview Questions

Link to the Problem : https://leetcode.com/problems/subarray-sum-equals-k/ Buy Me a Coffee ...

10:38
Subarray Sum Equals K - LeetCode 560 - Coding Interview Questions

11,026 views

2 years ago

Mike the Coder
Prefix Sum Array Explained

Hi guys, My name is Michael Lin and this is my programming youtube channel. I like C++ and please message me or comment on ...

8:09
Prefix Sum Array Explained

74,716 views

5 years ago

NeetCodeIO
Sum of Prefix Scores of Strings - Leetcode 2416 - Python

https://neetcode.io/ - A better way to prepare for Coding Interviews ‍ LinkedIn: ...

19:44
Sum of Prefix Scores of Strings - Leetcode 2416 - Python

9,125 views

1 year ago

Tushar Roy - Coding Made Simple
Maximum Sum Rectangular Submatrix in Matrix dynamic programming/2D kadane

Find maximum sum rectangle in 2D matrix. https://www.facebook.com/tusharroy25 ...

13:54
Maximum Sum Rectangular Submatrix in Matrix dynamic programming/2D kadane

209,483 views

10 years ago

JAVAAID - Coding Interview Preparation
Why You Must Learn Prefix Sum Algorithm? | Need of prefix-sum Algorithm | EP1

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

4:35
Why You Must Learn Prefix Sum Algorithm? | Need of prefix-sum Algorithm | EP1

60,829 views

6 years ago

Techdose
Range Sum Query 2D | Leetcode #304

This video explains a very important programming interview problem based on 2d matrix which is finding range sum on a 2D ...

15:39
Range Sum Query 2D | Leetcode #304

14,581 views

3 years ago

College Wallah
Problem Solving in 2D Arrays - 3 | Prefix Sum | Lecture 23 | Java and DSA Foundation Course

"After a series of classes on arrays, here we are with the final class. Hope that you are practicing the lecture problems and ...

1:10:59
Problem Solving in 2D Arrays - 3 | Prefix Sum | Lecture 23 | Java and DSA Foundation Course

60,878 views

3 years ago

Programming Pathshala
Prefix Sum in 2d Matrix | Precomputation in 2d Array | L-55

dsa #course #programmingpathshala #100daysofcode In this video, we'll explore the concept of precomputation in 2D arrays to ...

20:35
Prefix Sum in 2d Matrix | Precomputation in 2d Array | L-55

304 views

1 year ago

Ahmed Esmat
2D Prefix Sum | Range sum 2d

What's App Group : https://chat.whatsapp.com/DcBdeTqLeSu3JJ90g3Xdp4 Problem ...

28:19
2D Prefix Sum | Range sum 2d

766 views

1 year ago

Errichto Algorithms
Prefix Sums - Problems, Code in C++ & Python

Prefix sums are the sums of the first K elements in an array. You can use them to quickly get the range sum and solve many other ...

20:51
Prefix Sums - Problems, Code in C++ & Python

77,527 views

2 years ago

CodeLucky
Prefix Sum and Difference Arrays: Boost Your Array Queries!

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

6:45
Prefix Sum and Difference Arrays: Boost Your Array Queries!

353 views

8 months ago

Benn Tan
The Theory Behind 2D Prefix Sums - Part 1

ASKED BEFORE ON A GOOGLE CODING INTERVIEW❗❗ 2D Prefix Sums are a simple yet powerful data structure that allows ...

8:09
The Theory Behind 2D Prefix Sums - Part 1

343 views

2 years ago

Repovive | Shayan
Prefix Sums and Difference Array: 20 minutes of EVERYTHING you need to know

I will discuss prefix sums no 1, prefix sums no 2 (or difference array), 2D prefix sums, and the other sorts of prefix sum (partial sum) ...

20:00
Prefix Sums and Difference Array: 20 minutes of EVERYTHING you need to know

10,286 views

1 year ago

Shivam Shrivastava
Master 2D Prefix Sums in Minutes | The Secret Behind O(1) Matrix Queries

Problem: Range Sum Query 2D – Immutable (LeetCode #304) Problem Link: ...

17:33
Master 2D Prefix Sums in Minutes | The Secret Behind O(1) Matrix Queries

387 views

1 month ago

NeetCodeIO
Range Sum Query Immutable - Leetcode 303 - Python

https://neetcode.io/ - A better way to prepare for Coding Interviews Discord: https://discord.gg/ddjKRXPqtk Twitter: ...

7:42
Range Sum Query Immutable - Leetcode 303 - Python

36,903 views

2 years ago

@csalgo
07  2D Prefix Sums Concept
8:36
07 2D Prefix Sums Concept

1,539 views

4 years ago

GeeksforGeeks Practice
Advanced Data Structures : Session 2 | 2D prefix sum | Ashutosh Singh

Try these problems on your own: https://practice.geeksforgeeks.org/problems/maximum-sum-rectangle2948/1 Link to our Courses ...

1:10:01
Advanced Data Structures : Session 2 | 2D prefix sum | Ashutosh Singh

1,089 views

Streamed 4 years ago