Introduction | What | How | Difference Array Technique: Concepts & Questions - 1 | codestorywithMIK
646iPad PDF Notes Link - https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/iPad PDF Notes/Difference Array Introduction - Leetcode 370 - Range Addition .pdf
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Hi Everyone, this is the 1st video of our Playlist "Difference Array Technique : Concepts & Questions".
We will be studying the powerful Difference Array technique, a simple yet efficient method for solving range update problems.We’ll break down the core concepts, walk through key examples, and solve a problem (Leetcode-370 Range Addition) that will help solidify your understanding. Whether you're new to the technique or looking to enhance your problem-solving skills, this will cover everything you need to master the Difference Array approach. Dive in and learn how to apply this technique to coding challenges !
Problem Name : Introduction | What | How | Difference Array Technique: Concepts & Questions - 1 | codestorywithMIK
Company Tags : Will update later
My solutions on Github(C++ & JAVA) - https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Arrays/Difference Array Technique/Range Addition.cpp
Leetcode Link : https://leetcode.com/problems/range-addition/description/
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Difference Array Technique Concepts & Questions : • Introduction | What | How | Differenc...
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Video Summary :
The video explains the difference array technique in detail with intuition.
To better understand, we also solve Leetcode-370 . The approach uses a difference array to efficiently handle range updates. For each update, the start index is incremented by the given value, and the value is decremented at the index after the end (if within bounds). This ensures that the range effect is applied during cumulative sum computation. Finally, the cumulative sum of the difference array is calculated to construct the result array.
✨ Timelines✨
00:00 - Introduction
0:29 - Motivation
1:44 - What is Difference Array Technique ?
2:40 - Example
5:03 - Intuition and How does it Work ?
10:28 - Applying Difference Array Technique
16:11 - Leetcode-370 Range Addition
19:41 - Difference Between Difference Array and Segment Tree
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