Fenwick Tree point updates

Related Videos:
Fenwick tree range queries: https://www.youtube.com/watch?v=RgITNht_f4Q
Fenwick tree point updates: https://www.youtube.com/watch?v=B-BkW9ZpKKM
Fenwick tree construction: https://www.youtube.com/watch?v=BHPez138yX8
Fenwick tree source code: https://www.youtube.com/watch?v=eHSQjEtVUGA

Data Structures Source Code:
https://github.com/williamfiset/algorithms

My website: http://www.williamfiset.com ===================================

Practicing for interviews? I have used, and recommend `Cracking the Coding Interview` which got me a job at Google. Link on Amazon: https://amzn.to/3cvMof5

A lot of the content on this channel is inspired by the book `Competitive Programming` by Steven Halim which I frequently use as a resource and reference. Link on Amazon: https://amzn.to/3wC2nix