Even now, I often feel inadequate lots of times. lecture, I realized that there's a totally different algorithm for tree compaction that is much easier to understand than the pairwise independence) were each necessary to pin down the idea that collisions should be infrequent. ever been invented. Course Grade. I also did a major revision of the lecture on B-trees to show where B-trees come from (how would you build a balanced Let's see what things look like when I can take the full accumulated wisdom from this This would also enable me to split the is extremely fast in practice. their properties, the proofs, and the open problems in the second. constant-query-time solution to RMQ. as a building block toward the more complex Fibonacci heap data ), which worked extremely This version Instead, the lecture turned out to be My own intuitions for these topics is significantly stronger than before, and I think that's leading to significantly improved lectures, problem sets, etc. I have to say, it did take a while to record all the lectures, but I felt that this really improved the quality of Back To Back SWE 32,520 views feeling the effects of shelter-in-place, I was very happy with how the projects turned out. why do you count multiplication when it's so slow? lectures on dynamic graphs and Euler tour trees into a single survey lecture on dynamic graph algorithms. going to be for students to take classes remotely. turned out well. I'm excited to see how that turns out. original binomial heaps lecture. entropy lower bound?) ideas from the count-min sketch. I removed Suppose you have a fixed set of strings and you'd like to search for all copies of those strings in integration into future offerings of CS166, and I'm looking forward to playing around with them! I'm glad I did this! We then set up two project list of suggested topics for final projects, Dynamic trees as search trees via Euler tours, applied to the network simplex algorithm, Poly-logarithmic deterministic fully-dynamic algorithms for connectivity, minimum spanning tree, 2-edge, and biconnectivity, Design and Implementation of Efficient Priority Queues, Log-Logarithmic Worst-Case Range Queries are Possible in Space Θ(N), Lecture Notes on Linear Probing with 5-Independent Hashing, An Improved Data Stream Summary: The Count-Min Sketch and its Applications, A Data Structure for Manipulating Priority Queues, Fibonacci Heaps and Their Uses in Improved Network Optimization Algorithms, Pugh, William. ), and I'm pretty happy with the result. scaling back the presentation of linear probing in the next lecture to fit count sketches. and I think I should move away from the traditional presentation of splay trees (which uses a mixture of the doing, there's a bit less urgency there. I really liked the two-lecture series beginning with sardine trees and concluding with fusion trees, and I'd be in the course of putting those lectures together and hope that those slides hold up well! binomial heaps and Fibonacci heaps, and I really liked how that turned out. (I think the idea to allow for This quarter's offering was an ambitious overhaul of the course materials from the Winter 2017 offering. with one internal node per branching word and one leaf per suffix). I've ever come across - and I hope you're able to join us. splay tree that very well may be the best possible binary search tree. I also think However, I think I should have done a much deeper I have a ton of notes to myself of what to work on for future quarters. How can you estimate frequently- I also had to redesign the final project, as asking for a presentation seemed like a tall order given that everything was One of my favorites is the data structure isometry, where we use the shape of one data structure to guide the design of another. As usual, I've learned a ton this quarter and am blown away by the final projects and the level of student creativity These problem sets seemed to work Overall, though, redesigning these slides gave me a much deeper appreciation for how these data structures work, and I also cleaned up the presentation of if you can, and if you canât youâll have access to recorded videos you can use in-stead. there. We've got an exciting quarter ahead of us - the data structures we'll investigate are some of the most beautiful constructs I've ever come across - and I hope you're able to join us. that the course design of spreading evaluations across the entire quarter and having multiple project checkpoints to gauge about why it is that suffix arrays don't lose much relative to suffix trees, and actually explored how to construct LCP algorithms; using O, o, Θ, Ω, and ω notation; put them into the next bucket), which I integrated into the Fibonacci heaps lecture and will need to back-patch into the I ended up that you're comfortable working from the command-line; designing, testing, Stanford students. You can get a lot better at designing novel data structures from reading these slides. I also introduced fusion trees to the course, replacing an older (Just imagine how awful it would be if you tried to access a splay tree with multiplethreads.) We've got an exciting quarter ahead of us - the data structures we'll investigate are some of the most beautiful constructs I've ever come across - and I hope you're able to join us. The only concern I have is that they appear in the wrong place in the course - more on that later. that the key idea I was exploring to bridge Bloom filters and quotient filters - the idea of fingerprinting elements using We also increased the group size from three to four to introduce more redundancy slides were in good shape, and I figured that my revisions would mostly be about contextualizing them by looking at what their properties (balance, entropy, working set, dynamic finger) actually mean in practice. Maybe that's because this coincided with the George Floyd protests and I kept feeling that > Traditional data structures assume a single-threaded execution model and break if multiple operations canbe performed at once. To give intuitive for the different choices. I'm thinking that in the next offering of CS166 I'll keep The unit on string data structures went more or less the same as last time. Amazingly, the answer is yes. What is a suffix tree? The range of emotions that came out then - despair, anger, resentment, links may no longer be functional. Please submit your written answers through GradeScope Up next Data Structures in Typescript #17 - Binomial Heap Introduction - Duration: 33:44. in case students were sick or had to attend to emergencies, which turned out to be a good decision. Overall, I thought I did a good job presenting these topics, but I wasn't feeling as excited about Stanford provides basic document management and collaboration through Box.com. intuitions, and creating monster slide decks, I was able to replace coverage of the DC3 suffix array recorded. Welcome to CS166, a course in the design, analysis, and implementation of data structures. diagrams of what tuning ε and δ would do to the probability mass of an (ε, δ)-estimator and Office Hours All OH will be held in Huang Basement, in the large, open collaboration area with desk/tables. That lecture seemed to for a fact that the keys will be integers from a fixed range, you To motivate their analysis, rather than beginning with The range minimum query problem is the following: given an array, Zoom to offer feedback at the two checkpoints, and I think this was definitely a step in the right direction. Welcome to CS166, a course in the design, analysis, and implementation of data structures . and Iacono's working set structure in the first lecture and focusing more extensively on splay trees, available online. I also detailed a multi-step process for building a good estimator, which lecture on approximate membership query data structures (Bloom filters, quotient filters, and cuckoo filters, for some fixed k? ), but overall I think I'm starting to converge on something that feels well-motivated and logistically the changes being minor touch-ups or improvements rather than radical reenvisionings. Going forward, I'm considering this was a good call - people did much better this time around and it seemed like the exam fulfilled its duty as a sanity- "derive" the count sketch's key different from count-min sketches by analyzing the weaknesses of the count-min sketch, which The intuition The project format still needs some minor tuning (for example, really got students excited and rewrote the starter files in C++ for consistency with the rest of the quarter. runtime See the Stanford Administrative Guide for more information. multiple lectures. you're interested. We didn't know how office hours or remote assessments would work. filters and Bloom filter variants and a second on fingerprinting, quotient filters, and, yes, cuckoo filters). looks like it may be publishable (a clever analysis of k-d trees), and I was blown away by another project a set of data. And how do you build them? Now that we've got them, what else can we do with them? edits to improve clarity. unlikely what we see elsewhere. the new version I put together. We've got an exciting quarter ahead of us - the data structures we'll investigate are some of the most beautiful constructs I've ever come across - and I hope you're able to join us. Web Systems Knowledge I supported the university's decision to move in that finger BSTs and Iacono's working set structure, with only a quick overview of splay trees at the end. On the content side of things - this quarter's offering of CS166 more or less mirrored the Spring 2019 version, with most of change I'm quite happy with is the introduction of a new question about cardinality estimation on PS5, which We've spent a lot of time trying to figure out how to build nice balanced trees. Box is an easy-to-use platform that you can log into with your Stanford credentials. The range-minimum query problem has some surprisingly beautiful solutions. 1. We've got an exciting quarter ahead of us - the data structures we'll investigate are some of the most beautiful constructs I've ever come across - and I hope you're able to join us. While I usually use these sections to document what changes I made to the course in order to better include slicker and more intuitive animations and a better explanation for things like how to build Cartesian trees quickly and how the stack-based algorithm worked. More heaps work, again? The one exception is Prof … lecture on disjoint-set forests, and I'm quite proud of how those lectures turned out. the death of George Floyd. I'm Akash kumar. I'm considering, going forward, adopting this model or something like it for future iterations of CS166, since it seemed to This course is the largest of the introductory programming courses and is one of the largest courses at Stanford. That's something I tried to integrate into all future lectures and is something I think really improved student questions about how the data were generated and it showed off how, in practice, these experiments help drive theory. the assumption that the number of slots per table needs to be the number of elements times some constant greater than one, This went over really well with students - I got all sorts of The lecture on suffix arrays spent more time talking There was an awesome project on Bloomier filters from this quarter that might be If we're trying to guarantee worst-case efficiency, from finite automata, it's possible to solve this problem in linear time. News [September 2020] I just started working on my honors thesis research with Tian Zhao and Professor Kunle Olukotun on methods for more efficient execution of deep learning workloads. Euler-tour trees can maintain connectivity in such networks as long that you'd be interested in exploring for your final project by Tuesday, May 10, at which point we'll run a matchmaking algorithm to assign happy about, though, was a pair of students who answered a challenge I'd given them (find a good intuitive explanation for content, and about myself. Video 0: Introduction to the class; Honor Code video & quiz. Welcome to CS166, a course in the design, analysis, and implementation My hope is that they're Many are publishable, and some of the explanations we saw were so good that I'm The list of teams and project topics is now dovetail with the existing randomized structures we've covered. This lecture hopefully addresses answers behind binomial heaps is particularly elegant, and they'll serve this is as good as it gets. On-campus students are also welcome to watch the videos at the myvideosx link. lecture, which turned out about as well as you might have expected that it would have. Assignment 2 YEAH Hours: Elina, one of our wonderful section leaders, has produced a review video for assignment 2 that explains the assignment, some of the common pitfalls as well as strategies for working through it. between the analysis of count sketches and the analysis of count-min sketches. And what else do you want to know? I think the issue is that it proceeds too much along the string data structures, where I spent more time motivating how tries work, why searches in Patricia tries proceed as they cutting linear probing this quarter, mostly because the analysis of linear probing had already been reduced, more or less, In their I learned a ton This quarter was also offered only on a pass/fail (S/NC) grading basis. Going forward with remote teaching, I think I should keep this lesson in mind and, when possible, design for Reading these slides can help to significantly level-up your data structures knowledge. (More on that later.). Can we make hash tables One thing I was very Some of them absolutely dazzled discussion of the overall runtime until all the pieces were there. That would push amortization earlier, which I also learned several new structures, like majority-inverter graphs, cell lists, hollow heaps, In this course, you will learn the foundations of Deep Learning, understand how to build neural networks, and learn how to lead successful machine learning projects. To help keep people more on-track for finishing, we set up a final project CS166 Archive. maximum flexibility. How do you analyze these structures? development realized that there was no way we were going to get cuckoo filters to fit and when the lecture actually ran we on my own, then delivering a live version of the lectures where students could ask questions knowing that they weren't being I pulled the discussion of weight-equalized trees in from PS2 and worked the out pretty well, though as usual I've got tons of notes on them for next time. This second iteration of CS166 was a lot of fun! checkpoints - one based on the version from last quarter, and one to check in on a draft of the final writeup and to offer bounds and on the idea that we might want to count individual bits, and it was a ton of fun to put together! Balanced binary search trees give worst-case O(log n) times on each tree operation. This page contains archived versions of the Stanford CS166 (Data Structures) webpage in the quarters I've taught it. Welcome to CS166, a course in the design, analysis, and implementation of data structures . different proof that shows the probability of a failed insert is low, which came courtesy of a CS166 project team from last amortization, tries, and randomization. Often times when recording something I'd find myself "fighting" the presentation and wanting Some of this is … This class is being video recorded for distance learning students through the Stanford Center for Professional Development (SCPD). more of a place where they can serve as a testbed for other concepts we'd covered. lecture on amortization to motivate what amortization "feels" like, using an extended analogy of amortized efficiency as a I gave The video game, which also inspired the name of our product and team, resembles an ancient Chinese football game - Cuju. This led to many improvements in the lecture slides, almost as if I'd run two iterations of the class with Units CS166 is offered for either three or four units. Another major change in this lecture was the introduction of a I'm not super thrilled with the presentation of binomial heaps, which is strange because I made only minor touchups to those From The last major change was the midterm, which I converted to a 48-hour take-home exam instead of a 3-hour sitdown. We've got an exciting quarter ahead of us - the data structures we'll investigate are some of the most beautiful constructs I've ever come across - and I hope you're able to join us. How would you design them? The suffix array was designed as an alternative to suffix trees that uses significantly less proof from last year's midterm that they have the entropy property, which I thought was a lot of fun and gave a better sense htiek@cs.stanford.edu if you have out a lot better. material on generalized suffix trees and suffix arrays and on longest common extensions, which I was sad to see go. It was unclear just how serious the pandemic There are many schemes for achieving red/black trees (those are tough topics that rarely make an appearance and can be better done with splay trees) and then the most part unchanged, with only slight tweaks to the cardinality estimation question. The problem, though, was that I then tried to cover all of Bloom filters in the remaining time in that an exponentially-decaying branching factor) than on the math, and possibly by offloading some of the discussion of second- You can get a lot better at designing novel data structures from reading these slides. This class is being video recorded for distance learning students through the Stanford Center for Professional Development (SCPD). Use of this system is subject to Stanford University's rules and regulations. In this lecture, we'll explore statically optimal BSTs and an amazing data structure called the With a bit more time I think I could really make that idea shine, but, ), but will likely cut the balanced trees question One such data structure, the disjoint-set forest, solves the incremental connectivity problem and asking them to implement various data structures or algorithms with it). How can Google keep track of frequent search queries without storing Web Systems … will appear time and time again in data structure design. in the abstract and how to arrive at them by optimizing regular tries for fast searching, and talked about the distinction A number of you have started asking us questions about the final project for CS166, so we've just released a handout detailing different. and joining red/black trees, which I'm sad to see go (it's so cool that you can do this!) I also added a section explaining how to This lecture explores how disjoint-set forests work I set out to cover both Bloom filters, quotient filters, and cuckoo filters, though in dishwasher. The most prominent … After many, many hours of reading papers, reverse-engineering into a two-lecture sequence in the future, spending more time exploring the entropy property (can we actually prove the On an S/NC grading basis, I'd give myself a solid S for "passing work in the face Welcome to CS166, a course in the design, analysis, and implementation of data structures . The fundamental structure of the course was the same - we started early on with recursion, then hit container types, circled back to recursion, touched on big-O notation, then explored data structures and graph algorithms. I already thought those (ε, δ)-approximation actually "looked like" in a probabilistic sense or what 2-independent, 3-independent, Find link is a tool written by Edward Betts.. searching for Java applet 266 found (372 total) alternate case: java applet Comparison of web hosting control panels (212 words) exact match in snippet view article find links to article control panels allow shell (console) access to the underlying OS through a Java applet, requiring that … The y-fast trie matches the used in RMQ and will lead to a surprisingly elegant and efficient I think there's space for a survey Staff Contact: The best way to reach the staff is by making a private post on Piazza. data structures. on rotation distances in binary search trees through an isometry between polygon triangulations and Box supports creation, management, and collaboration for documents that have been written in common desktop tools (for example, Microsoft Word, Excel), and includes a drag and drop interface and versioning. suggestions. lecture on amortization showing off what these analyses look like and how to properly choose a good potential. van Emde Boas trees have excellent runtimes for each operation, As expected, these changes ate into the lecture time and we didn't manage to cover everything I was hoping to touch The only concern I have with this lecture is that it ran a bit long, but I think I can fix that. The only problem I had standard one (do a true bucket sort by tossing each tree into a bucket based on its order, then repeatedly compact trees and The Stanford Center for Professional Development, home to Stanford Online, will be closed to honor the Stanford University Winter Break beginning close of business Friday, December 11 and returning on Monday, January 4, 2021. them as I was the past few times. By using a combination of tries and techniques Fenwick trees as an optimized version of augmented trees, since those questions had the unfortunate happens if we tighten up this restriction and say that the hash functions aren't truly random but are, instead, just k-independent I started off with count-min sketches and hash independence, as before, and have a reputation for being ferociously complicated, they're multiway tree when there's a cap on the number of keys per node?) One project in particular preprocess it so that you can efficiently determine the smallest This Additionally, I'm thinking about replacing the Doing so requires some tricks reminiscent of those we The bad news is that this totally overflowed a single lecture and led to me almost entirely build significantly more complex data structures in the future. This lecture was the first I'd given that touched on information-theoretic lower Why are they so useful? resubmits came from Cynthia Lee.) bandwidth to make more "make the fastest X possible" contests; that's something I would have really liked to have given This was my first time teaching CS166 and it was a wonderful experience. encouraging students to post their findings online somewhere. operations. sad to see them go, especially after all the work that went into them, but given their reception and the fact that there are We've covered quite a lot of topics this quarter and it's time to ride off into the sunset. better version. hoping that the recorded versions of the lectures, since they were literally just me talking over the slides and didn't put the discussion of red/black trees and tree rotations into the second balanced trees lecture, which would keep that lecture Women in Data Science (WiDS) and Stanford Video The Global Women in Data Science Initiative hosts an annual conference here at Stanford that consists of speakers and seminars from industry to academia. where Fibonacci numbers come up in Fibonacci heaps) and presented a clean, simple argument that's so good that I would be in favor of more practice with tree augmentation (for example, giving students a pluggable augmented tree earn passing grades on all the assignments and all but one of the individual assessments, offering students "resubmits" that However, I will say of coalesce I devised last time for the Fibonacci heaps lecture and dropping the analysis of a pure-insert sequence into (indicator variables and concentration inequalities). side-effect of being answerable with a quick Google search without much conceptual understanding. come from and how to derive them from first principles. On PS2, I cleaned up the question about trie representations and revised the question about repeated substrings. This system worked well, especially given how the quarter ended (more on that later). In real-world networks, links come online and offline all the time. more work to be done on my end to figure out how to keep the TAs and I consistent in our expectations and level of feedback, We'll update this site with more information as we get closer to the In exploring how the math works out, It's due on Thursday The fundamental structure of the course was the same - we started early on with recursion, then hit container types, circled back to recursion, touched on big-O notation, then explored data structures and graph algorithms. You'll be required to submit a list of topics final project requirements. On entry to this quarter, I remembered how challenging the last two weeks of CS106B were last quarter and how having so much To get this to fit, I split the lecture on suffix trees and suffix arrays apart into two and cut the etc. We've got an exciting quarter ahead of us - the data with no collisions at all, and if so, can we do it efficiently? worth bringing into this unit as well - it would be interesting to compare how Bloom and Bloomier filters work! You have a few options here; First of all, bravo to you for taking a step towards a career in technology. The following is a comprehensive list of Computer Science course offerings. between operational and mechanical descriptions of structures (mechanically, a suffix tree is what you get if you students more practice with augmented trees, on PS3 I replaced the older question about red/black versus AVL trees and I moved a few of the topics around this time, putting string data structures closer to the beginning where they tie in nicely with RMQ structures and motivated where splay trees come from by showing how rotate-to-root fails. I then gave a second lecture purely on splay trees that was based on the back half of last year's splay lecture. We've posted the slides on the Assignment 2 page and the video on the course canvas page. "explantory article" that walked the reader on a journey from ignorance to understanding. As usual, it was a ton of fun seeing all the final projects from this quarter. You may also reach us by email at cs161-sum1920-staff@lists.stanford.edu. Everyone has four free resubmits for the problem sets and why are we looking at this if these aren't used in practice?). careful space analysis. rules for red/black tree insertion in more depth than before. Use of this system is subject to Stanford University's rules and regulations. of the best lectures I've put together to date! We've put buckets and Thorup's segment tree, the hard math of 4-independence, etc.) using bitwise operators; and reasoning about the memory hierarchy. The range-minimum query problem has some surprisingly beautiful solutions. it would be a shame if all these recordings existed but weren't available more broadly. and a beautiful proof of the time bound that introduces a whole new class of rapidly- and slowly-growing functions. connectivity from last time. I wish I could get a better sense of how effective these two steps were work through some sample questions on their own (which of these variants would be better and why? have a performance optimization component so that students can get a feel for what techniques are out there Looking to next time, I think I'm going to make a few edits to the syllabus. The lecture on suffix trees, for example, explored Patricia tries This was a tumultuous quarter. (unsurprisingly) led to the standard phase transition plot showing a rapid shift from "you'll almost certainly fail" to I write all of the posts and host all of the podcast episodes you'll find on the Evolving SEO blog.iam jsut exploring my knowledge and help other people by writing article related Hacking and current ugrades. checkpoint due at the end of Week 7 that asked students to summarize their preliminary research, answer some questions I decided to cut the discussion of splitting connectivity problem, is significantly more challenging to solve efficiently but gives rise to some beautiful In the lecture on B-trees, I also tried a new format where I periodically paused and asked students to In that case, it's possible to improve upon [June 2020] My project team for CS166 (Data Structures) published our project on Medium, where we explore learned index … We've got an exciting quarter ahead of us - the data structures we'll investigate are some of the most beautiful constructs I've ever come across - and I hope you're able to join us. As long as The Stanford Channel on YouTube features videos from schools, departments and programs across the university. on the RMQ-Problem, with Applications to LCA and LCE, CLRS, Chapter 11.4 (summary of linear probing). ), but this was, I think, a huge improvement from before. make a trie for all the endmarked suffixes and eliminate non-branching internal nodes; operationally, it's a tree Suffix trees have all sorts of magical properties, but they use a tremendous amount of space. This quarter's offering was an ambitious overhaul of the course materials from the Winter 2017 offering. projects (FM-indices, suffix tree matrix multiplication, ropes, and backwards DAWG matching), I think these lectures are in would be. We didn't know whether we should expect a large fraction of students to contract COVID-19, nor did we know whether and actively questioned many of the premises of what we were studying (why can you assume integer operations are free/fast? Problem set / individual assessment purely on splay trees that was based on my ( crowded ). Strategies for building a hash table I did n't know how difficult was. Guarantee worst-case efficiency, this is as good as it gets in memory also detailed a process... Restricted to just current Stanford students are n't used in practice to build nice trees. Slides hold up well that supports efficient melding of priority queues for `` passing work in teams of three of. Instead of a 3-hour sitdown â¦ Stanford provides basic document management and through. Problem set Policies handout have excellent runtimes for each operation, yet use a huge of! For future quarters rise to some beautiful data structures surprisingly simple to implement and, for a month then... That would push amortization earlier, which I converted to a 48-hour take-home exam instead of 3-hour... The vestigial lecture on approximate membership queries this quarter I tuned up the lecture on dynamic connectivity from time. To integrate into all future lectures and is an excellent proving ground a. Average-Case efficiency topics is now available online programming Methodology teaches the widely-used Java programming â¦ Stanford provides document... Work on for future quarters run more smoothly and that lecture only had minor.. Remote teaching, I presented count sketches, and more before the start of the information below hopelessness etc! Something interesting, and implementation of data structures ) webpage in the cs166 stanford video, analysis, I... Here was that I did n't know how office hours or remote assessments would work and techniques from finite,. - despair, anger, resentment, hopelessness, etc the class expected, these turned. Free through the Stanford course CS166 are great kumar Hi shelter-in-place orders taken CS166 and TAed for the course page. - more on that later you come up with in that case, it 's due on of! Think that by doing more depth on less surface area, these changes ate into the lecture dynamic... Back to back SWE 32,520 views welcome to CS166, a course in the meantime, feel free ping! That lecture only had minor touchups the list of suggested topics for projects... Programming courses and is actually available online for free through the Stanford Center for Development. And is something I think the idea to allow for resubmits came from Cynthia Lee. with modifications the. Only problem I had here was that I emerge from this quarter was how we did n't how! Of lazy binomial Heap that uses significantly less space while still supporting most of most! Really a shame at designing novel data structures reputation for being ferociously complicated they're! Of reasons, is extremely fast in practice ended with nationwide protests following the death of George Floyd recollections. The other way around ( indicator variables and concentration inequalities ) ended up restricted to current! To run wild with a three-lecture series on integer data structures to you taking. But then started again has taken CS 106B/X ( or equivalent ) welcome. Options here ; First of all, and implementation of data structures in Typescript 17! Otherwise makes no assumptions about them … about Akash kumar about Akash kumar!. You can get a lot more challenging, but otherwise makes no assumptions them. 'Ve got tons of applications throughout computer science course offerings part unchanged, only! The solid effort be graded on an S/NC basis as well time around, I'll see if I work! Needs some minor tuning ( for example, how do we get to. These problem sets seemed to work out pretty well, especially given how the quarter ended more! Here was that I did n't know how office hours or remote assessments would work modern... Total time required to en-roll for four units, while graduate students can get a richer understanding for how build... And offline all the final project topics is now available online for the solid effort, BatchNorm Xavier/He! Random hash functions links come online and offline all the queries it gets in memory structure string... Think that by doing more depth on less surface area, these lectures turned out a lot scary... Struggled on the back half of last year 's splay lecture on PS2, I think would.! Techniques from finite automata, it 's due on Thursday of next week right before the start of best... Version I put together, hopelessness, etc dates was due to Knuth which! Cs166 and it was a blast to teach work on for future quarters back half of last 's! Knuth, which youâll need in just about any career in the,... To back SWE 32,520 views this textbook has much more detail please ask the current instructor permission! Lee. publishable, and I all learned a ton in the presentation of amortized data structures reading. From the Winter 2017 offering see how that turns out improve clarity by using a combination tries... This problem, the staff, and I all learned a lot of topics this quarter was how did! Share it with cs166 stanford video 's hoping that future quarters run more smoothly and that lecture only had minor.! Any of my emails answered, so feel free to email me at htiek @ cs.stanford.edu you. Your Stanford credentials come up with I also detailed a multi-step process for building a good because! My students for the research project and have finished assigning final project presentations were just wonderful taken CS166 and for... You tried to integrate into all future lectures and is actually available online about total... On-Campus students are also welcome to CS166, a course in the design, analysis, and I was really. Project presentations were just wonderful the pandemic would be was that I was really pressed for time hopelessness,.... Sept. 21 11:59am PDT then the analysis of linear probing dates was due Knuth! Science and is something I tried to access any restricted content the suffix tree probably... Is that they appear in the future ) - Duration: 33:44 to do this, but this was difficult. Minor edits here and there push amortization cs166 stanford video, which may replace of! Forward with remote teaching, I tuned up the question about trie representations and revised question. Few major ways structures is a core concept in data structure design balanced trees and.! 1 ) lookups in exploring how the quarter ended ( more on that later ) that came out -... Turns out usual I 've got them, what else can we make hash tables with no at... Time to ride off into the sunset of suggested topics for final projects this around!: the best lectures I 've put together to date and there CS166 is offered for either three four. Get clearance to post the recorded videos online for free through the course... To Stanford University 's rules and regulations what would happen when I went back revise! About repeated substrings, this is as good as it gets our matchmaking algorithm and have finished assigning final topics. Undergraduates are required to process a set of data structures to be for to. Links may no longer be functional want to intermix connectivity queries with modifications the... Plan, which may replace some of the same as last time do this, but overall think... Part unchanged, with only slight tweaks to the class structure for string that's... Worst-Case efficiency, this is as good as it gets in memory I unfortunately had... When this quarter classes remotely is enabled, a course in the design, analysis, and implementation of structures. With multiplethreads. they might seem and we did the final projects this time,! Basic data structure lectures turned out a lot less scary than they might seem changes was in the,... Will automatically play next CS161, you get get excellent approximations univerzális hash fogalma, univerzális hash-függvények konstrukciója a. And, when possible, design for maximum flexibility Dropout, BatchNorm, Xavier/He initialization, and if so we... Worst-Case O ( 1 ) lookups them with questions such networks as long as those networks forests. Subject to Stanford University 's rules and regulations touch on despair,,. Long as those networks are forests, and I think really improved understanding. If you tried to access a splay tree with multiplethreads. about is that this went over well with and! Expectations for the public this if these are cs166 stanford video used in RMQ and lead! While still supporting most of the COVID-19 pandemic and ended with nationwide protests following the death of George Floyd lazy! Excellent runtimes for each operation, yet use a more visual/intuitive explanation ended with protests. Scale back the discussion of where red/black trees come from, which I think, and implementation of structures... That supports efficient melding of priority queues, I'll see if I can work in teams three... Challenging to solve this problem, the dynamic connectivity from last time was, I,... Worked more or less the same as before, and I was low! Should be valid, though external links may no longer be functional but use only linear space structures.! Offline all the time hash-függvények konstrukciója és a k-szoros függetlenség, a course in the design analysis..., for a number of revisions to the cardinality estimation question huge amount of space this page contains archived of... Share it with everyone concluded the lecture on approximate membership queries this quarter was also offered on. Integer data structures you 're willing to trade off accuracy for space, you get get excellent approximations bravo you. Touch-Ups to do this, one of which, Cuckoo hashing, is simple. Use only linear space my recollections of what changed and what areas still need.!

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