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

5,371 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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351 - 375 of 905 Reviews for Data Structures


Jan 20, 2022

Excellent course!

very helpful, learnt a lot.

By Gadiraju S V

Jul 2, 2020

IN depth explaination and very good material.

By matin m

Mar 26, 2023

this course was very helpful. thanks a lot🙏

By Andrey A

Dec 21, 2016

Very informative and, at times, challenging.

By Hubert Z

Nov 1, 2019

Some programming assignments are difficult!

By Vedant P

Jan 10, 2019

Good combination of Theory and Application.

By Yuxuan H

Jul 30, 2018

Nice introductory course to data structures

By Yao Z

Oct 7, 2017

Thank you for providing this awesome course

By Abhay G

Nov 16, 2020

Course is very intresting and knowledgable

By Basavasagar K P

Jul 7, 2020

Excellent course for learn data structures

By Adi M

Sep 23, 2018

Brilliant introduction to data structures.

By Andrew M

Nov 20, 2023

Very good programming problems!!! Thanks

By Sourabh A

Jan 20, 2022

wonderful course it is very helpful to me

By pawan k

Dec 17, 2019

Good explanation of basic data structures

By Sunil G

Aug 13, 2017

Really good explanations and code samples

By Huynh L D

Apr 23, 2016

Awesome extension of the previous course.

By Alek R

Dec 11, 2018

second course is just as good as first..

By Kajal S

Jun 16, 2020

Nice course to learn data structures.

By Christian S

Nov 7, 2017

Great job! i learning so much Thanks!

By 徐理

Oct 18, 2018

good course! I've got a lot from it.

By 4MH20CS020 D D

Feb 5, 2022

Really Amazing course for Beginners

By bolgum h g 2

Jul 5, 2021

for good understanding it is better

By Ahmed A S

Sep 20, 2020

It was a great learning experience.

By Parth P

May 14, 2020

Questions for assignments are good.

By 孙毅杰

Jul 25, 2018