Hi everybody,
If you can recall, I had written a tutorial for a relatively new Data Structure: Wavelet Trees.
The link to that post is here.
I have made a video tutorial for the same. Check out the video here.
[Tutorial]WaveletTrees|IntroductiontoNewDataStructure(https://www.youtube.com/watch?v=K7tju9j7UWU)
Happy Coding!