a) Why would we use circular Queue instead of a simple ar Double Ended Queue? Explain b) Consider the Double ended output restricted Queue implemented as a circular array based queue at the right. How will it look like after following operations have been perfomed on it in the given order.

a) Why would we use circular Queue instead of a simple ar Double Ended Queue? Explain b) Consider the Double ended output restricted Queue implemented as a circular array based queue at the right. How will it look like after following operations have been perfomed on it in the given order.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Depth First Search

Depth-first search (DFS) also known as Depth First traversal is an algorithm used to traverse or search the nodes in a tree or graph data structure. Traversal usually means visiting all the nodes of a graph. DFS performs in a depth-ward manner. It uses a stack to remember the vertices it has visited. The search starts from the root node, where any arbitrary node is selected as a root node in a graph, and then each node is explored along each branch before performing backtracking. The DFS algorithm uses a recursive technique by following the idea of backtracking. DFS algorithm does this by performing an in-depth search of all the nodes by traversing in a forward direction. If the required node is not found, it starts backtracking to previously visited nodes.

Question

c) Palindrome is a ward that reads the same backwards and forwards e.g. MADAM, POP, TAT etc.
are palindromes. Write a C++ program that checks whether a given string is a Palindrome ar not
using an appropriate data structure. Enter your first rame as an input to your program and add a
screen shot here which displays either its palindrome or not?

a) Why would we use circular Queue instead of a simple ar Double Ended Queue? Explain
b) Consider the Double ended output restricted Queue implemented as a circular aray based queue at
the right. How will it look like after following operations have been perfomed on it in the given
order.
rear
IEnqueueFront(5)
IIEnqueueFront(8)
III Dequeue()
IVEnqueueRear(6)
VDequeue()
VIEnqueueRear(9)
front

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