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

4,857 ratings
821 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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401 - 425 of 811 Reviews for Data Structures

By Cj C

Nov 17, 2019

finished on 11/17/2019

By Raunak N

Apr 7, 2018

fantabulous experience

By Mrunal M

Nov 7, 2021

i learnt it so easily


Oct 16, 2021

Excellent experience.

By vichhiya R c

Sep 14, 2020

Thank you so much sir

By Vamsi K P

Jan 26, 2019

I enjoyed the course.

By Nabil A

Jan 26, 2019

It's really helpful .

By Grigoriy D

Jul 23, 2017

nice explained course


Aug 12, 2021

Really Useful course

By allabharath t 2

Jul 19, 2021

it's very intersting

By Vidushi P

Aug 18, 2020

fantastic experience

By Ivan Y C M

Jun 28, 2020

very complete course

By Amandeep S P

Jun 22, 2020

very good experience

By Subash T

May 29, 2019

It was very helpful.

By Anh N S

May 13, 2019

it's awesome course.

By Abdul H P V m

Jul 3, 2021

i​t was really good


Sep 21, 2020

It was really good.

By Sparsh A

Sep 11, 2020


very helpful

By Chandra I

Jun 12, 2020

Hardest Course Ever


May 5, 2020

Very helpful course

By Héctor C

Jan 2, 2018

Very nice homework!

By Yatis

Apr 10, 2017

Excellent material.

By Boopathi S

Dec 29, 2020

Excellent course .

By Abhijit J

Sep 6, 2020

Thanks to Coursera

By Kushal D

Aug 19, 2020

very good learning