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PRE-COMPUTATION TECHNIQUES PLAYLIST: https://youtube.com/playlist?list=PLauivoElc3ginp_2p2cX5i-jrBI32xGuX FREE COMPETITIVE PROGRAMMING COURSE PLAYLIST : https://youtube.com/playlist?list=PLauivoElc3ggagradg8MfOZreCMmXMmJ- FOR DOUBTS AND DISCUSSIONS, JOIN DISCORD : https://discord.gg/GMH23tq7Y7 CONNECT ON INSTAGRAM : https://www.instagram.com/i._m_.luv/ Today we are discussing a hard question based on Hashing + Prefix Sum which was set by me only during my college. The question is very important with respect to precomputation concept in competitive programming. Link to the question : https://www.hackerearth.com/practice/basic-programming/implementation/basics-of-implementation/practice-problems/algorithm/ispalin/ For more practice questions on Hashing and Prefix Sum Check description of this video : https://youtu.be/nZe7P674xZo Timestamps: Brute Force Approach : (0:00) Optimisation using Hashing + Prefix : (10:45) Be a part of our awesome Community. Join ○ Discord : https://discord.gg/GMH23tq7Y7 ○ Telegram : https://t.me/LuvIsMeYT You can follow me on below platforms for all the latest updates ○ Instagram : https://www.instagram.com/i._m_.luv/ ○ Twitter : https://twitter.com/Luvk1412 ○ Linkedin : https://www.linkedin.com/in/luvk1412/ Blog(Not frequently updated) ○ Blog : https://www.codewithluv.in Hashtags #hashing #prefix #hard #question #competitiveprogramming
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