What is a 2-3 Tree?
Explore the fundamentals of 2-3 Trees, including their structure as balanced search trees, key properties that maintain order and balance, and how insertions, deletions, and searches operate efficiently. Understand how these trees keep all leaf nodes at the same level, supporting logarithmic time operations suitable for coding interviews and optimized JavaScript implementations.
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Introduction
A 2-3 Tree is another form of search tree but is very different from Binary Search Tree. Unlike BST, 2-3 Tree is a balanced and ordered search tree that provides an efficient storage mechanism to guarantee fast operations. In this chapter, we will take a detailed look at 2-3 Trees’ structure, the limitations it follows, and how elements are inserted and deleted from it.
One key feature of a 2-3 Tree is that it remains balanced, no matter how many insertions or deletions you perform. The leaf nodes are always present on the same level and are quite small in number. ...