Chapter 18: Problem 6

What types may the STL stack be based on? By default, what type is an STL stack based on?

Short Answer

Expert verified

Answer: An STL stack can be based on three main sequential containers: std::vector, std::deque, and std::list. If no container type is specified, the default type used is std::deque.

Step by step solution

Introduction to STL Stack

The STL (Standard Template Library) provides a stack container that is a Last In First Out (LIFO) data structure. Stacks hold elements in a sequence, and the main operations it allows are pushing a new element onto the top, popping the top element off, or examining the top element.

Types STL Stack Can Be Based On

The STL stack is a container adapter that uses a container (usually a sequential container) as its underlying data structure. There are three main sequential containers that an STL stack can be based on: 1. std::vector 2. std::deque (default) 3. std::list You can choose the underlying container type while declaring the stack by providing the container type as a template argument.

Default Type of STL Stack

By default, if no container type is specified, an STL stack uses the std::deque (a double-ended queue) as its underlying container. This means that if you declare a stack without specifying a container type, it will be based on std::deque.

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What types may the STL stack be based on? By default, what type is an STL stack based on?

Short Answer

Step by step solution

Introduction to STL Stack

Types STL Stack Can Be Based On

Default Type of STL Stack

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