Range Sum Query 2D - Immutable | Prefix Sum on Matrix | Dp | 304 LeetCode | Day 12

Here is the detailed solution of LEETCODE DAY 12 RANGE SUM QUERY 2D IMMUTABLE Problem of May Leetcoding Challenge and if you have any doubts , do comment below to let us know and help you. In this Video, I have discussed the best solution for the problem. I have explained how to compute the prefix sum on matrix and answer for every query in O(1) with some prerequisite calculation. Any suggestions are welcomed, and do subscribe to my YouTube Channel for latest updates for solutions as well as explanations. You can donate to support us :- UPI :- sunnysaraff11@okicici Paypal:- paypal.me/CodeWithSunny Timestamps:- Introduction:- 00:00 Problem Statement:- 00:14 Explanation With Example:- 02:10 Explanation in detail:- 07:47 Code:- 12:50 Link to Code:- https://pastebin.com/1fdG2vMR Complete May LeetCoding Challenge Playlist:- https://www.youtube.com/playlist?list=PLEvw47Ps6OBDOS9QhnA95PRvKxbEfMeP9 Complete April LeetCoding Challenge Playlist:- https://www.youtube.com/playlist?list=PLEvw47Ps6OBAnS5TJGfVSkvDP645HXmxR Complete March LeetCoding Challenge Playlist:- https://www.youtube.com/playlist?list=PLEvw47Ps6OBCX3K2LFLtvYMe5N2nHV1P3 Follow me on LinkedIn:- https://www.linkedin.com/in/sunny-kumar-8798591a0/ Join my Telegram Channel:- https://t.me/joinchat/TMXVB84sStuqqmaW