Udemy – Data Structures And Algorithm (DSA) For Tech Interviews

File Name:	Data structures and Algorithm (DSA) for Tech Interviews
Content Source:	https://www.udemy.com/course/data-structures-and-algorithm-dsa-for-tech-interviews
Genre / Category:	Programming
File Size :	53.6 GB
Publisher:	Hitesh Choudhary
Updated and Published:	November 2, 2025

Product Details

Data Structures and Algorithms in Python – The Most Complete and Practical Guide for tech interviews.

Learning Data Structures and Algorithms (DSA) is one of the most defining steps in your programming journey. It separates a good programmer from a great one, a developer who can write code from one who can architect solutions. This course is designed for exactly that transformation – from simply writing Python code to thinking algorithmically and solving problems like a computer scientist.

This is not a crash course. It is a 51+ hour, deeply structured, and meticulously designed learning experience that takes you from the very fundamentals of Python all the way to advanced algorithms and real-world interview challenges. Every single concept, from the simplest loop to the most complex dynamic programming problem, has been broken down in plain, intuitive language and paired with live coding demonstrations that help you understand the why behind the how.

Most students struggle with DSA not because it’s inherently difficult, but because the foundation is often rushed or fragmented. In this course, we do things differently. We start right from the basics of Python – setting up your environment, understanding data types, conditionals, loops, functions, comprehensions, generators, decorators, and the essential building blocks of clean and efficient code. Before we touch algorithms, you will already be thinking like a problem solver.

Once your Python foundation is solid, we transition naturally into algorithms – not as abstract mathematical formulas, but as logical solutions to real-world problems. You will learn how to analyze algorithms through asymptotic notations, time and space complexity, and how to derive performance intuitively using substitution and recursion tree methods. The focus throughout this section is to help you reason about performance – a skill that is crucial in every major technical interview.

From there, we enter the world of data structures – arrays, heaps, linked lists, stacks, queues, hash maps, trees, and graphs. But instead of just teaching their definitions or Python implementations, you will understand the story behind each one – when to use them, why they exist, and how they behave under the hood. You’ll learn how an array differs from a linked list not just in syntax, but in memory behavior; why heaps matter in real-world systems like schedulers; and how graphs model networks, maps, and relationships in every major tech application today.

Every concept is reinforced through code, visual explanation, and problem-solving. For example, while studying arrays, you will not only implement linear and binary searches but also dissect sorting algorithms like Bubble Sort, Insertion Sort, and Ternary Search, understanding their time complexities and how they scale. When you move to recursion, you’ll see its power through problems like Fibonacci and Factorial, and learn to visualize each recursive call as a story unfolding in a stack frame.

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Udemy – Data structures and Algorithm (DSA) for Tech Interviews

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