Difference Array For Range Query

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This video explains the

Prefix Sum

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In this video we are going to discuss very interesting Algorithm - "

LeetCode Problem 3355. Zero

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question link : https://www.codechef.com/CENS2020/problems/CENS20A code link : https://pastebin.com/EGb1ezSs Telegram ...

Array

In this video, we solve the 𝐑𝐚𝐧𝐠𝐞 𝐔𝐩𝐝𝐚𝐭𝐞 𝐐𝐮𝐞𝐫𝐢𝐞𝐬 problem from the 𝐂𝐒𝐄𝐒 𝐏𝐫𝐨𝐛𝐥𝐞𝐦 𝐒𝐞𝐭 using a powerful Fenwick Tree (Binary ...

iPad PDF Link : https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/iPad%20PDF%20Notes/Difference%20Array%20with ...

In this video, I will explain everything about prefix sums (partial sums) and

... with understanding the

Prefix sum algorithm is mainly used for