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

4,842 ratings
817 reviews

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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451 - 475 of 810 Reviews for Data Structures

By Chizhi X 夏

Jan 14, 2018

I learned a lot

By Abhishek K

Nov 28, 2016

Nice and Tough.

By Asadhulla S

Dec 25, 2021

very usefull..

By Ambar J

May 11, 2021

Awesome Course

By Dipesh B

Feb 12, 2020

Superb course.

By saurabh t

Jan 19, 2020

Awesome course

By Laxmi T

Mar 20, 2019

Awesome Course

By Neng-Yu T

Apr 12, 2017

I like this co

By Shahar D

May 12, 2016

Thanks so much

By Shan-Jyun W

Jun 19, 2021

Great course!

By 121910303007 S S A

Dec 11, 2020

Great Course!

By B_174 S K

Sep 29, 2020

a good course

By 蔡鈞涵

Sep 19, 2020

It's perfect!

By Manjula

Jul 12, 2020

good platform

By Yavika

Sep 24, 2019

Nice Content.

By thang n

Jun 17, 2018

Very exciting

By Zhao Y

Dec 20, 2017

very useful !

By Milan P

Nov 11, 2017

Great course!

By Hank

Feb 8, 2017

Great course!


Apr 25, 2022

Great course


Mar 31, 2022

Very Helpful

By Shahenda W

Feb 12, 2022

Great course


Jan 29, 2022

Very helpful

By Somnath D

Sep 13, 2020

mind blowing

By Soumyajit M

Sep 9, 2020

Great Course