18 Questions
What is the primary characteristic of a queue?
First In, First Out
In an array-based queue implementation, what is a potential drawback?
The size of the queue must be determined at declaration
What is the purpose of the Enqueue operation in a queue?
Insert an element at the rear of the queue
In a queue, which end is used for removal of elements?
Front
What is a potential issue in implementing an array-based queue?
All of the above
What is the name of the algorithm used to implement Enqueue and Dequeue operations in an array-based queue?
Naive algorithm
What is the purpose of the QueueType::~QueueType() function?
To deallocate the memory allocated for the queue
What is the purpose of the MakeEmpty function?
To remove all elements from the queue
What is the purpose of the IsEmpty function?
To check if the queue is empty
What happens when you try to enqueue an element to a full queue?
A queue overflow condition occurs
What happens when you try to dequeue an element from an empty queue?
A queue underflow condition occurs
What is the time complexity of the Enqueue function?
O(1)
What is the main issue with the naïve way of implementing a queue using an array?
It is inefficient due to shifting elements
How do you initialize the front and rear indices in a queue implementation using an array?
front = 0, rear = -1
What is the condition to check if the queue is full in a circular array implementation?
rear+1 == front
What is the purpose of the isFull() function in a queue implementation?
To check if the queue is full
How do you detect an empty queue in a circular array implementation?
front == 0 && rear == -1
What is the advantage of using a counter to keep track of the number of elements in the queue?
It makes it easier to detect an empty or full queue
A quiz on the basics of queues in data structures, including its definition, properties, and implementations
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