Currently pursuing Btech in Computer Science from NIT Durgapur. Interested in Competitive Programming, Data Structures and Web Development.

Shashank Shekhar

This course will introduce you to the Stack data structure, its implementations, and a few applications. We will be understanding concepts and also writing code for the same throughout the course. Besides common problems, we will also go through a few typical problems. By the end of the course, you will be well versed with the concepts of Stack and also will be able to add it to your programming arsenal.

Ace your job interview with interview questions, resume format, resume samples, GD topics & aptitude test by experts. Learn about a CV & cover letter for private & government jobs.

Campus Placements

English

Understanding Stack for Coding Interviews

Competitive Programming

CS & IT

Technical Interview

Interview Preparation & GD

Personal and Skill Development

Develop your coding skills, learn a new language or prepare for campus placements and job interviews, you can do it all with these awesome courses.

This lesson will introduce you to Stack. Here he will talk about LIFO-based data structure. He will also teach us how you can implement Stack using arrays with examples.

Understanding Stacks for Coding Interviews - I

This lesson will cover the code for array implementation of Stack. We will learn Linked List implementation of Stack and show you how you can write code for the same. Lastly, it will introduce you to the STL stack class and how you can use its object to solve problems.

Understanding Stack for Coding Interviews - II

This lesson will cover one of the most common and important problems of Stack - Infix to Postfix Conversion. This lesson is aimed at explaining to you the algorithm used to make the conversion.

Understanding Stacks Problem 1

This lesson will cover the code for Infix to Postfix converison, along with the concept of Postfix evaluation and its code.

Understanding Stacks Problem I - Continued

This lesson will cover the problem of a special stack. This stack allows obtaining minimum element present in stack in constant time besides the basic operation of stack.

Understanding Stacks Problem II

This lesson will cover the problem of Nearest Smaller Element, a very typical problem of Stacks. Once you understand this, you will be able to find the solution to Nearest Greater Element as well.

Understanding Stack Problem III

This lesson will cover the popular problem of Largest Rectangle in a Histogram. A solution using Stack will be explained with an example.

Understanding Stack Problem IV

This lesson will cover the solution with another example and code.

Understanding Stack Problem IV - continued

#Gate Ranker # Mtech from JEC Jabalpur. use code " MACHINE20" to attend my Classes. I don't teach "I simply explain the topic."

Ravendra Yadav

In this very new course we are discussing about some basic facts of electrical engineering which are being asked in exams and interviews.

(Hindi) Electrical Engineering Interview Basic Questions

Code HELLOSONU01 | 8+ Years Teaching Exp. in GATE CS IT & GATE DS AI on Unacademy | Mentored 2 Lakh+ Students | Produced Rankers Under 500

Sweta Kumari

This course covers top 10 difference between interview questions from DBMS with Tricks for GATE aspirants and also beneficial for technical interview.

(Hindi) Top 10 'Difference between' Interview Questions from DBMS with Tricks

This course covers some important interview questions on Java Programming Language.

(Hindi) Frequently asked Interview Questions on Java

This course is a collection of mostly asked questions on networking related to Troubleshooting problems.

(Hindi) Top 100 Technical Support Networking Interview Questions

This course is about Operating system related interview questions.

(Hindi) Frequently Asked Interview Questions from Operating System

BTech civil, 
practical and theoretical lessons of civil engineering.
General intelligence and general mathematics.

Sagar Sharma

In this course we will discuss about the most frequently asked technical civil engineering questions.

Lessons

8 lessons • 1h 15m

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Understanding Stacks for Coding Interviews - I

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Understanding Stack for Coding Interviews - II

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Understanding Stacks Problem 1

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Understanding Stacks Problem I - Continued

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Understanding Stacks Problem II

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Understanding Stack Problem III

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Understanding Stack Problem IV

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Understanding Stack Problem IV - continued