Fenwick tree is a data-structure that gives an efficient way to answer to main queries: add an element to a particular index of an array update(index, value) find sum of elements from 1 to N find...

While running the app in consumer mode, my application is frequently crashing with an error Error: Channel closed by server: 406 (PRECONDITION-FAILED) with message "PRECONDITION_FAILED - inequivale...

I'm stumped by the following homework question for an algorithms class: Suppose that we are given a sequence of n values x1, x2 ... xn, and seek to quickly answer repeated queries of the form...

I am trying to create a toggle button for each cell in my table. When pressed, it will change the image and when pressed again it will change the image again -- Toggle. In the UIButton class I do...

Formally, the Range Minimum Query Problem is: Given an array A[0, N-1] , Find the position of the element with the minimum value between any two given indices. Now, the standard solution is to...

Continued from my last question "Range Minimum Query approach (from tree to restricted RMQ)" (It's recommended to give it a read) Again, from this tutorial on TopCoder, I have a few questions here...

So, I read this TopCoder tutorial on RMQ (Range Minimum Query), and I got a big question. On the section where he introduced the approach, what I can understand until now is this: (The whole appr...