Prefix Sum Algorithm | Prefix Sum Array Implementation | EP2 HD

Prefix sum algorithm is mainly used for range query and the complexity of prefix sum algorithm is O(n). This video explains the working of prefix sum algorithm. This is the second part of the video and please watch the first part (why you must learn prefix sum algorithm) before watching this. ✅ Why you must learn prefix sum algorithm part one link : https://youtu.be/scD312I7kkE Subscribe for more and hit the bell icon to get video updates: https://www.youtube.com/channel/UCx1hbK753l3WhwXP5r93eYA?sub_confirmation=1 Like us on Facebook: https://www.facebook.com/HackerRankSolutionTutorials Share this video with a YouTuber friend: https://youtu.be/pVS3yhlzrlQ ✚ Join our community ► Coding interview preparation group: https://www.facebook.com/groups/codingip Telegram link: https://t.me/hackerranksolutions ✅ Recommended playlists ► All hackerrank solutions: https://www.youtube.com/watch?v=oz_yowFTrgs&list=PLSIpQf0NbcCltzNFrOJkQ4J4AAjW3TSmA Let’s Connect ► Git Hub: https://github.com/kanahaiya Twitter: https://twitter.com/Kanahaiyagupta Linked in: https://www.linkedin.com/in/kanahaiya-gupta Facebook: https://www.facebook.com/coolkanahaiya Instagram: https://www.instagram.com/coolkanahaiya #JAVAAID #HackerRankSolutions #HackerRankTutorials #implementation #prefixsum #HackerRank #JavaAidTutorials #Programming #DataStructures #algorithms #coding #competitiveprogramming #JavaAidTutorials #Java #codinginterview #problemsolving #KanahaiyaGupta #hackerrankchallenges