Programming C without variables is like, well, programming C without variables. They are so essential to the language that it doesn’t even require an analogy here. We can declare and use them as ...

The operations that may be performed on an ADT completely depend on the ADT’s purpose. For example, an ADT for a stack might include operations such as initialization, pushing data, popping data, ...

I see it time and again in Google interviews or new-grad hires: The way data structures and algorithms — among the most important subjects in a proper computer science curriculum — are learnt is often ...