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

5,380 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


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The lectures and the reading material were great. The assignments are challenging and require thought before attempting. The forums were really useful when I got stuck with the assignments


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Excellent review on data structures. I've taken a graduate level course covering advanced data structures, but I was still able to learn new things through the challenging assignments.

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901 - 908 of 908 Reviews for Data Structures

By Ahmed M

Jun 6, 2020

very useful till the AVL trees

it became vague

By padakanti a

May 22, 2020

its really tough for me to do the assements

By Isaac Y

Aug 20, 2022

No support from instructors.


Sep 19, 2021

i want to leave this course

By Lei Z

Feb 9, 2019

cannot switch session


Jul 20, 2021


By Bharat N

Jun 20, 2020


By Nilimesh P

Jan 4, 2024