Best Websites to Practice Data Structures and Algorithms
Are you on a mission to master Data Structures and Algorithms without spending a rupee?
In this blog, we’ll look at the best websites to practice Data Structures and Algorithms for free, offering you a chance to sharpen your coding skills.
10 Best Websites for Practicing DSA – Overview
Here’s an overview of the top 10 websites to practice Data Structures and Algorithms:
| S.No. | Website Name | Pricing | Certification & Rewards | Website Link |
|---|---|---|---|---|
| 1 | GUVI | Free | Yes | Visit Now |
| 2 | HackerRank | Free | No | Visit Now |
| 3 | LeetCode | Free, Paid | No | Visit Now |
| 4 | GeeksforGeeks | Free, Paid | No | Visit Now |
| 5 | Codewars | Free | No | Visit Now |
| 6 | HackerEarth | Free | No | Visit Now |
| 7 | CodeChef | Free | No | Visit Now |
| 8 | Programiz | Free | No | Visit Now |
| 9 | W3Schools | Free | No | Visit Now |
| 10 | Techie Delight | Free | No | Visit Now |
Best Websites to Practice Data Structures and Algorithms
Below is the list of best websites to practice Data Structures & Algorithms for beginners:
1. GUVI
CodeKata hosts a diverse range of coding problems used by top companies like Microsoft, Walmart, and Samsung, aimed at sharpening coding skills.
Practicing on CodeKata elevates users’ coding skills, making them attractive candidates for tech recruiters.
Questions Diversity: Students can practice topics such as Arrays, Mathematics, Strings, Basics, Sorting, Matrix, Hashing, Dynamic Programming, and various data structures including Linked Lists, Trees, Graphs, and more.
Pricing: Free
Certifications and Rewards: Rewards are available in the form of “Geekoins” earned by solving challenges.
Language Options: English
Community and Support: Nil
2. HackerRank
HackerRank provides a platform for practicing and solving challenges related to data structures, aimed at enhancing problem-solving skills in various data structure topics.
Users can tackle exercises ranging from basic to advanced levels, improving their coding skills and preparing for technical interviews.
Questions Diversity: The challenges cover a broad spectrum of data structures, including arrays, linked lists, trees, stacks, queues, heaps, and more. The problems range in difficulty from easy to hard, each tagged with a difficulty level and success rate.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: FAQs, discussion forums for each challenge, and a blog.
3. LeetCode
LeetCode offers a comprehensive suite of algorithmic challenges designed to boost coding skills and prepare users for technical interviews.
The platform features a wide array of problems, from foundational exercises to complex scenarios faced in real-world programming and interviews at top-tier tech companies.
Questions Diversity: The problem set encompasses a diverse array of topics including arrays, strings, hash tables, dynamic programming, sorting, depth-first search, binary search, trees, graphs, and more.
Pricing: Free/ Paid
Certifications and Rewards: Nil
Language Options: English
Community and Support: Discussions, articles, and an interview preparation section.
4. GeeksforGeeks
GeeksforGeeks offers a practice platform designed to enhance coding skills through a variety of programming problems.
It provides a vast array of challenges across different domains and companies, enabling users to prepare for technical interviews and improve their problem-solving capabilities.
Questions Diversity: The platform features problems spanning various complexities and topics, such as arrays, linked lists, strings, algorithms, and data structures.
Problems are associated with specific companies like Amazon, Microsoft, and Flipkart, reflecting real-world interview questions from these employers.
Pricing: Free/ Paid
Certifications and Rewards: Nil
Language Options: English
Community and Support: Forums, tutorials, and articles.
5. Codewars
Codewars provides a collection dedicated to Data Structures & Algorithms, offering a series of “Kata” challenges that help coders master various programming techniques and concepts.
This collection is designed to improve problem-solving skills in areas like binary trees, recursion, and algorithmic strategies, contributing to overall coding proficiency.
Questions Diversity: The collection includes problems involving binary trees, recursion, binary search trees, and fundamental algorithm concepts.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Leaderboards, a Discord server, and a GitHub discussions board.
6. HackerEarth
HackerEarth offers a focused section for practicing problems on 1-D arrays within their broader data structures practice area.
This section includes a variety of challenges designed to test and improve a programmer’s understanding and handling of one-dimensional arrays.
Questions Diversity: The problems cover various applications of 1-D arrays, ranging in difficulty from easy to medium. Challenges include tasks like calculating sums according to frequency, determining bitwise AND sums, and creating non-decreasing arrays. Each problem is tagged with its success rate and the number of attempts.
Pricing: Free
Certifications and Rewards: NIl
Language Options: English
Community and Support: Community discussions, hackathons, direct support for queries, tutorials, and interview preparation materials.
7. CodeChef
CodeChef provides an extensive set of practice problems under its Data Structures category, designed to enhance the problem-solving skills necessary for competitive programming and technical interviews.
The platform categorizes problems into various data structures such as arrays, linked lists, stacks, queues, and more.
Questions Diversity: The Data Structures section offers a range of problems covering basic to advanced topics, including linked lists, heaps, stacks, queues, and matrices.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Forums and discussions, allowing users to interact, seek help, and share insights.
8. Programiz
Programiz offers a structured and comprehensive learning path for mastering Data Structures and Algorithms (DSA), essential for writing efficient, optimized computer programs.
The tutorials and courses are designed to help users from various programming backgrounds (Python, C, C++, and Java) understand the intricacies of DSA and improve their coding skills.
Questions Diversity: The platform covers a wide range of topics within DSA, including basic data structures like stacks and queues, complex structures like trees and graphs, and various algorithms like sorting, searching, and dynamic programming.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Detailed tutorials and examples.
9. W3Schools
W3Schools offers a comprehensive tutorial on Data Structures and Algorithms (DSA), aimed at teaching foundational and complex programming concepts systematically.
The tutorial is designed to enhance problem-solving skills, optimize program performance, and prepare users for technical interviews.
Questions Diversity: The tutorial covers a wide range of DSA topics, from basic data structures like stacks and queues to more complex structures like trees and graphs. It also includes various algorithms, sorting and searching techniques, and discusses concepts like time complexity.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Comprehensive tutorials, examples, and exercises.
10. Techie Delight
Techie Delight is a comprehensive resource that focuses on helping users ace technical interviews by providing a vast collection of data structure and algorithm articles and coding problems.
The site is particularly useful for those preparing for interviews with top IT companies, offering solutions and discussions on a wide range of technical topics.
Questions Diversity: Techie Delight features problems across various domains of computer science, particularly data structures and algorithms. It includes challenges from basic to advanced levels, covering areas such as arrays, linked lists, trees, graphs, and sorting algorithms.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Nil
Frequently Asked Questions
1. What are the best websites for practicing data structures and algorithms?
The best websites for practicing data structures and algorithms are:
- GUVI
- HackerRank
- LeetCode
- GeeksforGeeks
- CodeChef
2. Why should I choose website for practicing data structures and algorithms?
Websites for practicing Data Structures & Algorithms offer interactive exercises, immediate feedback, and a structured learning path, making it easier to learn and apply Data Structures & Algorithms concepts practically.
3. How do I choose the right website for practicing Data Structures & Algorithms?
To choose the right website for practicing Data Structures & Algorithms, consider factors like the range of difficulty levels, specific topics covered, the presence of step-by-step solutions, and community support.
4. Can a beginner practice Data Structures & Algorithms effectively through websites?
Yes, a beginner can effectively practice Data Structures & Algorithms through websites. These platforms often provide beginner-friendly tutorials, exercises graded by difficulty, and instant feedback.
5. Are there websites that offer content in multiple languages for practicing Data Structures & Algorithms?
Yes, websites like GUVI provide Data Structures & Algorithms practice content in multiple languages.
Final Words
Improving your knowledge of Data Structures and Algorithms is entirely possible with the right tools and minimal financial investment.
Keep checking this article as we will keep updating this space as more websites make space in the heart and study schedule of students preparing for placements and competitive exams.
Explore More DSA Resources
Explore More Practice Websites
Aarthy is an passionate technical writer with experience across various domains such as web development, Web 3.0, AI, ML, technical documentation for product development, software testing, and, course content development. She has won over 6 national-level technical hackathons and blogathons.
Aarthy is an passionate technical writer with experience across various domains such as web development, Web 3.0, AI, ML, technical documentation for product development, software testing, and, course content development. She has won over 6 national-level technical hackathons and blogathons.
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