A good algorithm usually comes together with a set of good data structures that allow the algorithm to manipulate the data efficiently. In this 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!...

PS

2020年7月9日

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.

KL

2020年9月4日

one of the best course i have ever taken on any platform.\n\ni love to learn on coursera platform.\n\ncoursera makes one to think fro solution.\n\nafter completion of course one feel satisfied.

篩選依據：

創建者 Dheepak J

•2019年3月14日

A) An eye opener course in my regards which is really well curated and organized.

B) I had gone had to learn a good deal of knowledge and software wisdom from this course that I highly RECOMMEND this to others.

C) Enroll into it and try to finish the assignments on time and I am sure you will end up seeing the results yourself...

" Well Done San Diego team"

創建者 Imaani E

•2017年1月22日

Great course - the homework problems were really helpful for cementing concepts. However, I did feel that the difficulty of the homework problems did not increase with the progress of the course. I think that it would have been very reasonable to increase the difficulty of the homework assignments as the course progressed. Otherwise, great overall course.

創建者 Subhaprada C

•2017年8月11日

I think this is one of the best courses out there in terms of the rigour as well as the quality of the content. The instructors take great care to actually explain how the data structures work internally, complete with mathematical proofs wherever necessary. The assignments are also very good and help to solidify the understanding of the concepts.

創建者 Haoran G

•2017年10月2日

An excellent course for those who is willing to learn basic concepts and practice their programming skills in data structures. Students would learn a lot after finishing the assignments. More over, slides provided are extremely clear and helpful.

However, it seems that the forum is not active, most questions and answers were posted months ago.

創建者 Advaith G

•2020年8月7日

One of the best courses I've taken so far. I had to complete it extremely quickly because I had no time to do it and it was a really good experience. The intense programming assignments and amazing explanations were really enjoyable. After so long not programming properly, I spent an entire day at my laptop for these assignments and loved it.

創建者 Madan K

•2016年6月4日

Really awesome Course , Must take it as a software Engineer and if you have already learned these things , It will open your eyes and make you correct your mistakes.

Simple explanations in videos and covering all intermediate data structures.

Problems are also good companion to the course content and allowing us to implement in many languages .

創建者 RAJESH M

•2020年5月23日

Excellent course. Actually my university can not complete Data Structure Due to this COVID-19. But this course has given the perfect opportunity to acquire the knowledge of Data Structures and Algorithms. The problems were a bit challenging but I enjoyed it a lot. I would recommend everyone do this course who loves programming. Thanks!

創建者 Waleed O

•2017年7月24日

really good course , advanced problems will improve your skills to think and use the data structure , although it is obvious where to think as it is application on the week lesson so maybe if the problems are more general will be better.

still , this course improved my skill to implement data structure and understand it deeply . thanks

創建者 Andrew J

•2017年5月21日

A thorough course covering many fundamental data structures and some very impressive applications.

The assignments are challenging but extremely satisfying. I especially enjoyed implementing a rolling hash and working with binary trees.

It covered more material in depth than my data structures university subject.

創建者 Christopher B

•2016年8月2日

A very good course if you want to learn how we organize data in such a way that we can perform specific operations with low computing cost. This course is language agnostic so it becomes more about learning the fundamental structures and less about troubleshooting the language you use. Very good course!

創建者 Madhusudhan S

•2018年1月11日

Perhaps the videos on AVL Trees (Rotations basically) and Splay Trees can be enhanced to give a more thorough grounding. I had to refer to many sources to get the concepts grilled into my head. But it has been an awesome experience so far in this specialization. Kudos to the team behind this.

創建者 Shyama D

•2016年9月3日

Helped summarize the basics for a newbie like me. Glad I took it :) Recommended.

Although, I do recommend some more material on the last two weeks - I loved the concepts that were taught, but I feel there could have been more lectures on BST applications, given how powerful they are!

Thanks!

創建者 Ardak K

•2021年4月26日

One of the best courses on Data Structures. I am learning a lot in this specialization. Though, some of the videos could be better in terms of presenters. Some of the presenters seem to just read of paper without really understanding the context. But anyway, it is really valuable course.

創建者 Anurag S

•2020年4月9日

Amazing explanation of Queue, Hashing, Disjoint-set, Dynamic Array, etc. with their basic operations. An amazing way of IP address representation I learned in Hashing I paste the IP in a single decimal digit in my browser of some website with "http://<single decimal IP>" it's working.

創建者 Milind M P

•2020年10月25日

The course is excellent. I learnt a lot from it, and would continue to learn even after receiving certificate.

One small suggestion : It would be great if we can get the actual test case for which our program has failed. It would help in debugging.

Thanks a lot for excellent experience.

創建者 Parthiban D

•2018年4月24日

As every other course on this series the programming assignments are excellent. I ignore lectures and go directly to the assignments. The lecture are very monotonous in tone. Its really hard to understand the accent. I usually learn topics elsewhere and attempt the assignments here.

創建者 Fabrice L

•2017年11月1日

Very interesting class, I learned a lot, about implementation and real life applications.

Like the previous class, there is many assignments to practice, so I really recommend to pick up a programming language that you are comfortable with, if you want to move forward at a good pace.

創建者 Kevin K

•2016年8月17日

Personally, this course is interesting and essential for the learner to proceed to other more advanced courses, either within this specialisation or not. There is only one suggestion that it will be better if the instructors can provide more details of the pseudo codes.

創建者 Satish K P

•2019年2月2日

This course provides very good insights into data structures. The instructors are very good and gave concise and clear explanations for all the concepts. I have enjoyed working on all the assignments. The were challenging and made me apply all the concepts I learned .

創建者 Vasilii G

•2016年12月4日

Really liked this course - it is a comprehensive overview of basic data structures. Programming assignments are mostly to implement some data structure and use it to solve problem, but there are some challenging advanced tasks, which it was very interesting to do.

創建者 Sai v

•2021年6月9日

WHAT A WONDERFUL COURSE,I HAVE LEARNT SO MANY THINGS.I RATED FIVE STARS BECAUSE THE LECTUERS ARE EXPLAINING VERY GOOD AND THE QUIZS ARE VERY AWESOME,ESCPECIALLY ASSIGNMENTS MAKE US TO THINK OUT OF THE MIND.....

THANK YOU TO COURSERA FOR GIVING THIS WONDERFL COURSE

創建者 Andrey K

•2018年10月19日

Interesting and hard (but possible to solve) challenges. All necessary information to solve a problem can be found in the lectures. The theoretical part is minimal but enough to start solve advanced problems. That's why I love this course more than others ever!

創建者 Aditya R

•2019年3月16日

It is a must course for anyone who wants to excel in computer science field, and this course will help in every possible way from easy explanation of topics to effective assessment along with helpful discussions.

Thanks for creating such a wonderful course.

創建者 Shobhit G

•2016年9月12日

Lots to learn and it's fun to learn from different teachers. Very heavy (and high quality) course if one wants to do proper justice to all the materials presented (especially hashing and trees... Week 3 onwards). A worthy investment . Enjoyed it immensely.

創建者 Mohammad K A

•2016年9月5日

Nice course, It was bit difficult for me. I think I will have to go over the few lectures again soon. Problems were very cool, these took lots of hour head down. Thanks all lecturers, specially Daniel M Kane and Alexander S. Kulikov. Loved your lectures.

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