If N represents the number of elements in the queue, then the dequeue method of the LinkedQueue class is O(N).true or false public class LinkedQueve implements QueuRlatertase{protected UNode fronti// reference to the front of this queueprotected UNede rearinn // reference to the rear of this queueprotected int pumFlements= 0; // number of elements in this queuepublic LinkedQuevel){front = null;rear = null;}public void enguRURLT element)// Adds element to the rear of this queue.{UNede pewNede = new UNode(element);if (rear == null)front = newNede:elseRAK-SetlinkluewNede);rear = pewNede:OunElements++;}public T degueueld// Throws QueuRWaderflewException if this queue is empty;// otherwise, removes front element from this queue and returns it.{if (isEmotu)throw new QueuelladertlewExceptionl"Dequeue attempted on empty queue.");else{Telement;element = frontgetlotel);front = front.getlink();if (front == null)rear = null;OUORElemeots-;return element;}}public boolean isEmetx0// Returns true if this queue is empty; otherwise, returns false.{return (front == null);}public boolean isEuUO// Returns false - a linked queue is never full.return false;}public int size)// Returns the number of elements in this queue.return nymElenents:}

The Answer is False because when we see the dequeue method it have statements which have constant…

Answered: If N represents the number of elements…

If N represents the number of elements in the queue, then the dequeue method of the LinkedQueue class is O(N). true or false

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

Operations of Linked List

A linked lists are one of the most widely used and effective data structures, with applications in every programming language, including C, C++, Python, Java, and C#.

Question

If N represents the number of elements in the queue, then the dequeue method of the LinkedQueue class is O(N).

true or false

public class LinkedQueve<T> implements QueuRlatertase<T>
{
protected UNode<T> fronti// reference to the front of this queue
protected UNede<T> rearinn // reference to the rear of this queue
protected int pumFlements= 0; // number of elements in this queue
public LinkedQuevel)
{
front = null;
rear = null;
}
public void enguRURLT element)
// Adds element to the rear of this queue.
{
UNede<T> pewNede = new UNode<T>(element);
if (rear == null)
front = newNede:
else
RAK-SetlinkluewNede);
rear = pewNede:
OunElements++;
}
public T degueueld
// Throws QueuRWaderflewException if this queue is empty;
// otherwise, removes front element from this queue and returns it.
{
if (isEmotu)
throw new QueuelladertlewExceptionl"Dequeue attempted on empty queue.");
else
{
Telement;
element = frontgetlotel);
front = front.getlink();
if (front == null)
rear = null;
OUORElemeots-;
return element;
}
}
public boolean isEmetx0
// Returns true if this queue is empty; otherwise, returns false.
{
return (front == null);
}
public boolean isEuUO
// Returns false - a linked queue is never full.
return false;
}
public int size)
// Returns the number of elements in this queue.
return nymElenents:
}

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DONT use any of the list methods (append, pop etc.). class mycircularqueue(): def __init__(self, m = 10): self.maxsize = m self.array = [None]*m self.FRONT = self.REAR = -1 def enqueue(self, item): # Inserts item at the rear of a non full queue and returns True. If unable to insert the item returns false ####################################################################### # Remove the pass statement and write your code ####################################################################### pass def dequeue(self): # Removes the item from the front of the queue and returns it. For unsuccessful dequeue return False ####################################################################### # Remove the pass statement and write your code ####################################################################### pass def peek(self): # Returns the…