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Algorithms and Data Structures Tutorial - Full Course for Beginners

via freeCodeCamp

Overview

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Dive into a comprehensive 5-hour tutorial on algorithms and data structures, essential topics in computer science. Explore three main sections: algorithms, data structures, and an in-depth look at sorting and searching algorithms. Gain a solid understanding of what algorithms and data structures are, how they're measured and evaluated, and their practical applications in problem-solving. Follow along with code snippets and implementations for various algorithms and data structures, including linear and binary search, arrays, linked lists, and sorting algorithms like merge sort, quicksort, and selection sort. Benefit from the expertise of instructors Pasan Premaratne and Jay McGavren in this course made possible by teamtreehouse.com. Perfect for beginners, this tutorial provides a strong foundation in fundamental computer science concepts.

Syllabus

Introduction to Algorithms.
Introduction to Data Structures.
Algorithms: Sorting and Searching.

Taught by

freeCodeCamp.org

Reviews

4.4 rating, based on 106 Class Central reviews

Start your review of Algorithms and Data Structures Tutorial - Full Course for Beginners

  • This is a fantastic tutorial for beginners looking to build a strong foundation in algorithms and data structures. The course covers essential concepts like sorting, searching, linked lists, trees, graphs, and dynamic programming in an easy-to-follow manner. The explanations are clear, and the coding examples help reinforce understanding. Whether you're preparing for coding interviews or just want to improve your problem-solving skills, this tutorial is a valuable resource. FreeCodeCamp consistently provides high-quality content, and this course is no exception. Highly recommended for anyone starting their journey in computer science!
  • Profile image for Emaan Ghouri
    Emaan Ghouri
    This Data Structures and Algorithms (DSA) course has been a highly valuable learning experience for me. It strengthened my understanding of fundamental concepts such as arrays, linked lists, stacks, queues, trees, and sorting algorithms, and helped me develop strong problem-solving skills. The lessons were well-structured, easy to follow, and focused on both theory and practical implementation, which made complex topics much clearer. Through this course, I also improved my logical thinking and coding confidence. Overall, it was an excellent course for building a solid foundation in DSA, and I would recommend it to anyone who wants to enhance their programming and analytical skills.
  • Profile image for Jenilia Angel
    Jenilia Angel
    Your DSA re-review approach is clear and structured, which is great for retaining concepts quickly. Covering fundamentals first, then moving to linear and non-linear structures, ensures strong conceptual continuity. Including algorithms and problem-solving techniques shows a balanced focus between theory and application. The 2–3 day revision plan is practical and helps avoid overload while keeping momentum. To improve further, add more hands-on coding practice and revisit tricky problems after a gap to strengthen recall. Overall, this is an effective and exam-oriented strategy that can significantly boost confidence and performance if followed consistently with regular practice.
  • Profile image for Rasika Ganesan
    Rasika Ganesan
    This course is very helpful for beginners who want to learn Algorithms and Data Structures from scratch. The explanations are clear, and the concepts are explained step by step with practical examples. It helped me understand important topics like arrays, stacks, queues, and sorting algorithms in a simple way. I recommend this course to anyone starting their journey in programming and problem solving.
  • Profile image for Rabindranath Ferreira
    Rabindranath Ferreira
    this course it's really good, The explanations were very clear and the examples too.

    The big O Notation and space complexity it's clear explained in the second video but in the last one the forgot the space complexity when they were comparing the algorithms

    In general the course it's great for anyone
  • Profile image for Nehal Kandare
    Nehal Kandare
    The course is a great starting point for anyone new to programming or preparing for technical interviews. It explains core concepts like arrays, linked lists, stacks, queues, sorting, searching, trees, and graphs in a beginner-friendly way. The inst…
  • The above course is use for me to learn about data structures and algorithm and it is very useful subject for me getting a job
  • Profile image for Venkata Sai Keerthi Udayagiri
    Venkata Sai Keerthi Udayagiri
    1
    The "Algorithms and Data Structures Tutorial - Full Course for Beginners" via freeCodeCamp is an excellent resource for those looking to gain a solid foundation in computer science. The course is well-structured and easy to follow, making it accessi…
  • Profile image for Riya Kandhari
    Riya Kandhari
    Amazing learning. Learnt a lot. It has prepared me well. Will definitely do more courses here
    Thankyou
  • Profile image for Yago Dias
    Yago Dias
    Curso Completo foi fundamental para Iniciantes e para quem está começando na programação, pois desenvolve o raciocínio lógico e ensina a base necessária para resolver problemas e evoluir em qualquer linguagem.
  • Profile image for Shaurya Vardhan Kala
    Shaurya Vardhan Kala
    This course has managed to explain all the topics data structures and algorithms, but i feel like sometimes the course gets a little too technical in explanations. The basics are covered clearly, but certain parts feel heavy if you're just starting out. Still, it gives a good foundation and shows what every programmer should learn. The pacing is fine, but it could slow down in a few places. Overall, it’s useful, just be ready to pause, rewind, and practice to really understand everything.
  • Aditi Vijay Mane

    "I recently completed this course and was thoroughly impressed! The course was well-structured, engaging, and informative. The instructor's teaching style was clear and concise, making complex concepts easy to understand. The hands-on exercises and projects helped me apply the knowledge and retain it better. I appreciated the flexibility of the course, which allowed me to learn at my own pace. Overall, I'd highly recommend this course to anyone looking to [achieve a specific goal or skill]. The certificate I received upon completion was a great bonus. Thanks to the course creators for a valuable learning experience!"
  • Profile image for Abdulla Ahmed
    Abdulla Ahmed
    1
    it is very usefull course it simplified the subject more than before so i can invite my friend and every body who intrested in these subject
  • Profile image for Oomkar
    Oomkar
    This is a good introduction to programming for beginners. It presents fundamental data structures (arrays, linked lists, trees, graphs) and fundamental algorithms (sorting, searching, recursion) in simple, easy-to-understand language. Visual demonstrations and practical applications make it easier to grasp abstract ideas. The pace is gentle and is structured for beginner-friendly learning, suited for self-studying and those looking to ace coding interviews. A minor improvement would be including more lab exercises to reinforce concepts. All in all, it's a highly recommended, thorough course for establishing a solid ground in algorithms and data structures.
  • Profile image for SBM EDM Producer
    SBM EDM Producer
    The Data Structures and Algorithms course was a transformative learning experience. It provided a strong foundation in both the theory and practical aspects of DSA, covering essential topics like arrays, linked lists, stacks, queues, trees, graphs,…
  • Nasib Ahmadov
    The Data Structures and Algorithms course I took was an essential and highly beneficial learning experience. The course provided a solid foundation in core concepts such as arrays, linked lists, stacks, queues, trees, graphs, and hash tables. It als…
  • Profile image for Amitesh Gupta
    Amitesh Gupta
    i think this course was really helpful for expanding my knowledge area, and the things i got to know from this course will definitely help me in future.
  • Profile image for Alluri Venkata Satwika
    Alluri Venkata Satwika
    FreeCodeCamp’s Data Structures and Algorithms course is an excellent resource for anyone looking to strengthen their programming fundamentals. The content is clear, beginner-friendly, and well-structured, covering essential topics like arrays, linke…
  • Profile image for Tapaswini Das
    Tapaswini Das
    "I have successfully completed the Algorithms and Data Structures Tutorial, which provided a strong foundation in core computer science concepts such as arrays, linked lists, stacks, queues, trees, graphs, sorting, and searching techniques. This tutorial helped me develop problem-solving skills, optimize code efficiency, and strengthen my understanding of time and space complexity. It was an insightful learning journey that improved my logical thinking and prepared me for technical interviews as well as advanced topics in computer science."
  • Parth Tomar
    It was a nice course which increased my knowledge about algorithms and data structures.
    I would suggest to take this lecture as this is very helpful.
    It didn't provide certificate of completion

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