Data Structures and Algorithms – Summer 2019 – Test A In the linked list implementation of...
Data Structures and Algorithms – Summer 2019 – Test A
- In the linked list implementation of a Queue, there are two distinct structures that can represent an empty Queue. Draw a diagram of each and explain why both would be considered to be an empty Queue.
Homework Answers
Solution
Case 1: If the front and rear of the queue is null, then the queue is empty.
Case 2: If the next of rear node is front node, then the queue is empty since for a non-empty queue, the front node should always lie before the rear node.
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