What is Circular Queue in C++?
In a circular queue is a queue where the last element of the queue is connected to the first element of the queue. As it is a queue, it follows the FIFO (First-In-First-Out) order of operation. It is also known as “Ring buffer” as the resulted data structure is logically circular.
Consider a scenario where you’re simulating a printer queue. New documents are constantly being added to the queue, and as they are printed, they are removed. In a circular queue, if the queue becomes full and documents are printed, new documents can still be added at the beginning of the queue, as it is circular in nature.
C++ Program to Implement Circular Queue
In C++, Queues are a fundamental data structure in computer science which works on the principle of FIFO (First In, First Out). They can be implemented using both array and linked list. A circular queue is a type of queue in which the last element is connected to the first element, forming a circular structure. In this article, we’ll learn about circular queue, how to implement it in C++, and analyze its complexity.
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