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

5,160 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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451 - 475 of 862 Reviews for Data Structures

By Himanshu R

Mar 30, 2022

excellent course

By Avirup C

Dec 8, 2021

Very nice course

By Nilutpal B

Sep 8, 2021

Excellent Course

By Kishan K P

Apr 20, 2021

excellent course


Nov 30, 2020

best course ever


Sep 13, 2020

Wonderful course

By Sunayna P

Aug 12, 2020

Very nice course


Apr 18, 2020

Good explanation

By aman y

Dec 30, 2019

very nice course

By Agustin C S

Nov 17, 2019

Excelent course!

By Elvis Č

Oct 18, 2019

Excelent course!

By Namrata G

Jun 14, 2019

Effective course

By Ramesh K

Dec 16, 2017

excellent course

By Lantao M

May 17, 2017

Very good course

By Vijai K S

Feb 14, 2017

Awesome course!!

By Srinivas N

Jun 9, 2016

Excellent Course

By saurabh k

Nov 14, 2022

vey best course

By Yashvardhan S

Sep 11, 2022


By Andres Y V M

May 17, 2020

Excelente curso

By Kai D

Jun 10, 2018

Very helpful!!!

By Chizhi X 夏

Jan 14, 2018

I learned a lot

By Abhishek K

Nov 28, 2016

Nice and Tough.

By Sean H

Oct 26, 2022

Very helpful!

By Asadhulla S

Dec 25, 2021

very usefull..

By Ambar J

May 11, 2021

Awesome Course