//Given an integer array nums that may contain duplicates, return all possible subsets (the power set). //The solution set must not contain duplicate subsets. Return the solution in any order.

for (size_t i=0, b=0, e=0; i<S.size(); ++i) for (b=(i && S[i] == S[i-1] ? e : 0), e=ret.size(); b<e; ++b) ...

So, you wanna get good at LeetCode, huh? It’s a big world of problems out there, and it can feel pretty wild when you’re just starting. But don’t sweat it. We’re gonna walk through how to actually get ...

So, you want to get good at LeetCode, especially using Java? It’s a common goal for a lot of us trying to land those tech jobs. This guide is all about helping you get there. We’ll go over how to ...