Priority queue: Priority queue is another type of queue in which each item contains “priority” related with it. The element with high priority dequeued earlier than the element with low priority. If two or more elements have same priority then, they are processed according to their order. The two main operations done on priority queue is “add ()” and “removeMin ()”. The operation “add ()” is used to add an element to the queue. The process of removing an element from the priority queue using the method “removeMin ()” will always returns the minimum element.

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Chapter 21, Problem 4SA

Program Plan Intro

Priority queue:

Priority queue is another type of queue in which each item contains “priority” related with it.

The element with high priority dequeued earlier than the element with low priority.

If two or more elements have same priority then, they are processed according to their order.

The two main operations done on priority queue is “add ()” and “removeMin ()”.

The operation “add ()” is used to add an element to the queue.

The process of removing an element from the priority queue using the method “removeMin ()” will always returns the minimum element.

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