Each element lives in the data structure for some segments of time between additions and deletions. Let's build a segment tree over the queries.

To implement 2 – 4 trees we use B –tree data structures. A B-tree is a tree data structure that keeps data sorted and allows searches, insertions, and deletions in logarithmic amortized time. B-tree ...

Distributed systems are easier to build than ever with the emergence of new, data-centric abstractions for storing and computing over massive datasets. However, similar abstractions do not exist for ...

We present an algorithm for maintaining maximal matching in a graph under addition and deletion of edges. Our data structure is randomized that takes $O( \log n ...