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2-3 Deletion (Case #2)

Understand the process of deleting elements located at internal nodes in 2-3 trees. This lesson explains how to swap keys with the largest left or smallest right in-order successors, moving the key to a leaf for deletion. Gain practical knowledge of deletion cases with C++ examples to manage tree structures effectively.

We'll cover the following...

Case 2: Element at Internal Node:

Deletion is always performed at the leaf. So whenever we need to delete a key at the internal node, we swap it with any of its in-order successors and somehow make it shift to any leaf node as ...