Stack Data Structure Tutorial

What is Stack?

A Stack is a linear data structure that operates on the principle of insertion and removal restricted to one end, from the top of the stack. This property of the stack is also known as LIFO (Last-In, First-Out) or FILO (First-In, Last-Out) because whatever element goes first inside the stack will come out at last. 

Stack Data Structure

There are many real-life examples of stack. Imagine a stack of books on a table, the last book that is placed on the top is the first one to be picked up, and the book that is present at the bottom of the stack will stack there for a longer time. In the series of learning data structures, we will learn the Stack data structure in detail. Below are a sequence of topics and practice problems based on a stack data structure which will you master stack data structure completely.

Stack Introduction and Implementation: 

• Introduction to Stack Data Structure.
• Difference Between Stack and Queue Data Structure.
• Application of Stack Data Structure.
• Stack STL in C++.
• Stack Class in Java Programming.
• Stack Implementation in Python.
• Monotonic Stack.
• Stack Implementation Using Linked List.
• Stack Implementation Using Array.
• Stack Implementation Using Queue.

Problems of Stack Data Structure:

• Infix to Postfix Conversion Using Stack.
• Check Balanced Parenthesis in an Expression.
• Delete the Middle Element of the Stack.
• Remove the Outermost Parenthesis of the Primitive String.
• Maximum Depth of Nested Parenthesis.
• Next Greater Element for Every Element of Array.
• Stock Span Problem Using Stack.