Solve problems that are commonly asked in C++ coding interviews related to common data structures.

Ace the C++ Coding Interview

Data structures are among the fundamentals of computer science and are often a core decision in developing efficient programs. They are categorized as a vital benchmark of computer science knowledge when it comes to industry interviews. This module contains a detailed review of common data structures in C++. We'll also become well-equipped with different data structures by implementing them.
By the end of this module, we'll have expertise in solving problems in data structures.

Data Structures

# Statement
Given a string, `exp`, represents an arithmetic expression in a 
#concept=postfix#postfix notation#concept#. Evaluate `exp` and return the resulting integer value.

Try to solve the Evaluate Postfix Expression Using a Stack problem.

Challenge 6: Evaluate Postfix Expression Using a Stack

Statement