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Stack, Queue and Deque
5.1. Understand the basic operations for Stack, Queue and Deque
Example: Suppose that Queue q is implemented by a circular array data with the size 3. Please draw
the state of the Queue q and circular array data after each of the following steps.
1) Queue q = new Queue();
2) q.enqueue(5);
3) q.enqueue (2);
4) q.enqueue (9);
Expert Solution
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Step 1: Introduction of Stack, Queue and Deque:
Stack:
It is a linear data structure which follows the Last In, First Out (LIFO) principle.
Queue:
It is alse a linear data structure which follows the First In, First Out (FIFO) principle.
Deque (Double-ended Queue):
It is a generalization of both the stacks and queues which supports the insertion and deletion at both front and rear.
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