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Learner Reviews & Feedback for Data Structures by University of California San Diego

5,376 ratings

About the Course

A good algorithm usually comes together with a set of good data structures that allow the algorithm to manipulate the data efficiently. In this online course, we consider the common data structures that are used in various computational problems. You will learn how these data structures are implemented in different programming languages and will practice implementing them in our programming assignments. This will help you to understand what is going on inside a particular built-in implementation of a data structure and what to expect from it. You will also learn typical use cases for these data structures. A few examples of questions that we are going to cover in this class are the following: 1. What is a good strategy of resizing a dynamic array? 2. How priority queues are implemented in C++, Java, and Python? 3. How to implement a hash table so that the amortized running time of all operations is O(1) on average? 4. What are good strategies to keep a binary tree balanced? You will also learn how services like Dropbox manage to upload some large files instantly and to save a lot of storage space!...

Top reviews


May 23, 2016

I like this course very much! Rope is the cleverest task I have ever done! Of course, I hope in future I will work on even more difficult problems, but this is pretty good already for me as a student!


Jul 9, 2020

I think the course content and assignments were great. A suggestion though, it will be more helpful if there are more and varied corner cases that would save time spent in thinking and making cases.

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276 - 300 of 906 Reviews for Data Structures

By Roshan K S

Jul 21, 2020

wonderful course!Really increased my coding skills and DSA knowledge.

By tima-fey

Apr 24, 2019

Good lecture format, good programming assignments. Strongly recommend

By Vitali L

Feb 24, 2019

Great course, specially for beginners, thanks a lot for the material!


Aug 4, 2020

This course helped me gain a lot more confidence in data structures.

By Paramveer S Y

Jun 28, 2020

Clear and concise lectures. More visual explanations would be swell.

By Ananay S

Nov 19, 2021

Topics were explained very well in brief and concise video lectures

By Aayush B

Feb 6, 2021

Such a beautiful and informative course designed by the instructor.

By Suhash B

Jul 12, 2019

Course is really informative...Assignments are really challenging..

By Pulkit J

May 27, 2019

Course was very good and it helped me a lot in developing my skills

By Ahmed A

Dec 23, 2023

This course is very very amazing and very helpful according to me.

By Cheung W C

Jun 29, 2021

A good introduction to data structure, nicely organized contents.

By Saša T

Nov 28, 2016

This was no easy course, but definitely worth the time and effort!


Dec 14, 2020



By Miguel A M H

Jun 4, 2016


Maybe more examples and more details in the math prove


Sep 11, 2022


By sahil s

Jul 31, 2021

It was a very good course and clears DS concepts extremely well

By Md S M

Jul 25, 2021

Very capable teachers. Some programming assignments were tough.

By Mukul P

Nov 5, 2020

Very good course learned a lot by doing the labs in the course.

By Alexander Z

Sep 3, 2019

Really nice and valuable course, great programming assignments.

By Prateek A

Feb 13, 2019

Wonderful course. Test cases are pretty impressive. Loved it :)

By Thịnh N Đ

Sep 25, 2020

This course is great. It helps me brush upon my DSA knowledge,

By Swastik R

Jan 17, 2019

Excellent course for those who want to be strong in algorithms

By Khoi P

Jan 31, 2017

This is a challenging and amazing course. I have learnt a lot.

By Juliane G

Feb 1, 2021

Useful, relevant and interesting. I really liked this course.

By Ankit K

Dec 21, 2020

Quiet tough if new to these, but I it a really helpful course