As you already know, a stack is a data structure realizing the so-called LIFO (Last In - First Out) model. It's easy and you've already grown perfectly accustomed to it. Let's taste something new now.

A queue is an ordered collection of items where the addition of new items happens at one end, called the “rear,” and the removal of existing items occurs at the other end, commonly called the “front.” ...

Data structures are the backbone of core computing and we use them to solve various problems. The clear concepts in DSA can really help you to build complex programs and develop your skills to become ...