What is circular queue explain how it is differ from linear queue in C ++?

It is a linear data structure, which data is arranged in a linear pattern. Operations such as insertion and deletion are done from rear and front respectively. It requires more memory, since data is stored in a linear fashion. The element that is added to a linear queue at first, is the element that gets deleted first.

Why do we use circular queue instead of linear queue?

The essential difference between the linear queue and the circular queue is that the linear queue consumes more space than the circular queue, while the circular queue was devised to limit the memory wastage of the linear queue.

What is queue and circular queue?

Circular Queue is a linear data structure in which the operations are performed based on FIFO (First In First Out) principle and the last position is connected back to the first position to make a circle. It is also called ‘Ring Buffer’. enQueue(value) This function is used to insert an element into the circular queue.

What are the advantages of linear queue?

Queues have the advantages of being able to handle multiple data types and they are both flexible and flexibility and fast. Moreover, queues can be of potentially infinite length compared with the use of fixed-length arrays.

What is the advantage of circular queue over non circular one?

You can use the deleted space for another process in the circular queue. The re-buffering problem is not there as happen in the case of normal queue during the process of dequeue.

What is linear queue?

A linear queue is a linear data structure that serves the request first, which has been arrived first. It consists of data elements which are connected in a linear fashion. It has two pointers, i.e., front and rear, where the insertion takes place from the front end, and deletion occurs from the front end.

What is a linear queue?

What is the disadvantage of circular queue?

I would say the biggest disadvantage to a circular queue is you can only store queue. length elements. If you are using it as a buffer, you are limiting your history depth. Another smaller disadvantage is it’s hard to tell an empty queue from a full queue without retaining additional information.

What is the disadvantage of linear queue?

A queue works like the line you wait in. In a linear queue, the traversal through the queue is possible only once,i.e.,once an element is deleted, we cannot insert another element in its position. This disadvantage of a linear queue is overcome by a circular queue, thus saving memory.

Is a linear queue structure more efficient than a circular queue?

It is not as efficient as a circular queue structure. The data is arranged in a circular fashion. This means that the front and the read are connected to each other. Insertion and deletion can be done from any position. It requires less memory since data is stored in circular form. It is more efficient in comparison to a linear queue structure.

What is circular queue?

Circular queue connects the two ends through a pointer where the very first element comes after the last element. It also keeps track of the front and rear by implementing some extra logic so that it could trace the elements that are to be inserted and deleted.

What are the different types of queue?

There are two types of queues as linear and circular queue. The main difference between linear queue and circular queue is that a linear queue arranges data in a sequential order one after the other while a circular queue arranges data similar to a circle by connecting the last element back to the first element.

What is a queue in C++?

The queue can be described as non-primitive linear data structure follows the FIFO order in which data elements are inserted from the one end (rear end) and deleted from the other end (front end). The other variations of the queue are the circular queue, doubly ended queue and priority queue.