I have built a d dimensional KD-Tree. I want to do range search on this tree. Wikipedia mentions range search in KD-Trees, but doesn't talk about implementation/algorithm in any way. Can someone pl...

I'm trying to solve this problem: https://cses.fi/problemset/task/1144/ Given an array of up to 200000 elements, my task is to process up to 200000 queries, which either ask me to update a single v...

There are lots of works for the nearest neighbor search problem, so I wonder if I want to do fixed radius range search, could I utilize those algorithms for nearest neighbor search? perhaps I cou...

One main part of Cassandra that I don't fully understand is its range queries. I know that Cassandra emphasizes distributed environment and focuses on performance, but probably because of that, it ...

Suppose i have an array A of length L. I will be given n intervals(i,j) and i have to increment all values between A[i] and A[j].Which data structure would be most suitable for the given operations...

From the table schema below, I am trying to select all pH readings that are below 5. I have followed these three pieces of advice: Use ALLOW FILTERING Include an equality comparison Create a sec...

Assume, that I am tracking the usage of slots in a Fenwick tree. As an example, lets consider tracking 32 slots, leading to a Fenwick tree layout as shown in the image below, where the numbers in t...

Trying to figure out how to do this. Basically I want to sort by Hour / Day / Month / Year of my submissions. Each submission has a created field which contains a Mongoose Date object in the form ...