Counting In Byteland - Mistake in Code

#1

I googled for 3D Fenwick Tree to get update and range code and coded it here. But it does not give correct answer.
Please tell me where is the mistake in the code.
If i am missing some logic please explain what am i missing.
Code link: https://ide.codingblocks.com/s/113488

@apaarkamal
@Saurabh-Kumar-1331476656958199

#2

this is my simple template for 3d fenwick tree

#3

Solved, i didn’t need to subtract queried values in update rule.

#4

Can you give a explanation to range query.