November 2013
Beginner to intermediate
236 pages
4h 6m
English
Content preview from A Concise Introduction to Data Structures using JavaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 10
Heaps
The heap data structure provides fast search, insertion, and deletion by limiting the type of searches and deletions it will do. Like binary search trees, heaps are binary trees, but they allow a looser relationship between elements in order to guarantee their height is always O(logn).
10.1 Priority Queue Interface and Array-Based Heaps
Priority queues and heaps are closely related because heaps are often used as the underlying data structure for the priority queue interface. However, other structures may be used to implement priority queues, and heaps have purposes beyond just implementing the priority queue interface.
Priority Queue Interface
A priority queue is an ordered structure in which items are removed in priority order ...
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