Getting good at LeetCode Java isn’t just about solving problems; it’s about having a good plan. You need to know where to start, what tools to use, and how to keep going when things get tough. This ...

Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where to even start. This guide is here to break down the common approaches and ...

we have to calculate the number of elements which is greater than the n/3 and return the value in the form of List. First, we create a List and create a HashMap so that we will store it as a key, ...

First, we create a HashMap then we put the element inside the hash map and use getOrDefault so that we decrese the number of step for writing if and else condition and then use for each loop and check ...

The current test set is missing a case that should detect solutions which incorrectly compare all elements of the array rather than only elements to the right of index i.

Q. I am on the board for our small condominium association. One of the board officers continuously directs the manager to sign agreements with contractors to perform repairs to the common elements ...

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications.