Egor Having an ability to choose a language for reading/writing comments would lead to language-specific threads (for good or bad). What do you drink or eat during a contest? I’m Petar, a Senior Research Scientist at DeepMind. That's at least my impression, I haven't competed in any of those for a while. Thanks for reply. The problems on Project Euler suffer from the same flaw. "Competitors are mostly Indians and the judge performs very poorly." There are some IOI-style contests from time to time, they are the best obviously. For Hackerearth, I will say this site helped me learn some data structures even though it's not really geared towards contests, as they often have tutorials and some straightforward implementation problems to help you practice what you just learned. Server time: Nov/18/2020 03:00:30 (g1). Competitive programming sites and interview preparation sites have a lot in common, but they aren’t interchangeable: Is TopCoder the best place to practice coding interview questions? 1) Codeforces Round #104 (Div. Or simply count comment as english if it hasn't any russian character. TopCoder algorithm contests are a way to develop your coding speed. Programming competitions and contests, programming community. 4- I like Codeforces problems quality and difficulty levels more than TopCoder. TopCoder Rating means a lot to me rather the Codeforces.. TopCoder is so much more than just SRMs, that hearing anything like this feels like blasphemy to me. (answer) I’m doing most of my writing on Quora this year. To read the whole series, see my CPFAQ category page. topcoder open semifinals - Egor (10 minutes delay) There are many things to learn here, many people eager to join and write qualitative problems. I have a PhD in Computer Science from the University of Cambridge (Trinity College), obtained under the supervision of Pietro Liò. Topcoder — Let’s not talk about interface and usability and absurdness for a while :P The div 1 500 problems are mostly beautifully written. For me, it would be exellent if codeforces added to the tab "ACM-style contest", and sometimes given to ACM-style contest. Possibly I'm not clever enough but participating in SRM is indeed much complicated than participating a Codeforces Round. thesilentnoise October 4, 2016, 10:19am #6. bciobanu and myself. Typical medium/hard problem from AtCoder requires much more thinking and less code than typical medium/hard problems from other sites, so if someone's goal is to have fun by solving problems requiring thinking then it is the best site. (not in production) Statsmodels 3.12. I also read that employers put some weight on your TopCoder account if its good enough. topcoder Networks. codeforces vs leetcode. I have never seen TopCoder handling 2200 participants, and you are saying they can handle it easily! Codeforces is all about daily/weekly challenges. Solving any of the problems in the practice arena is difficult unless you already have knowledge of various algorithms. Note that packages marked as "not in production" means that while these models were used during the project, they are not present in the final codecoach.fun website. After correctly setting it up you will realize other challenges are so miniscule compared to this. Codeforces. I feel sad when I see Chinese comments (especially with a lot of "+" — clearly there is something clever/funny, but I just can't read it). The past few years have had higher consistent quality tho. 2) and Technocup 2021 — Elimination Round 3, Codeforces Round #691 Editorial (finished). Contests are quite rare, at least the main ones (AGC). On September 20, 2008, Petr Mitrichev took part in a Topcoder Spotlight Session where he answered […] I thought there is some committee. We have the specialized UI designers, developers and testers you need to create and deploy an amazing digital experience. Among the platforms, CF, CSAcademy and Codechef should be fine. One thing that bothers me is the option of comments in Russian. And BTW, I like TopCoder challenges much more than Coderforces challenges. XGBoost 3.6. Gennady Korotkevich (Belarusian: Генадзь Караткевіч, Hienadź Karatkievič, Russian: Геннадий Короткевич; born 25 September 1994) is a Belarusian competitive programmer who has won major international competitions since the age of 11, as well as numerous national competitions. CSAcademy is better than CodeForces except that it has less users. This is where you get to compete with the best competitors from all over the world. Competitors are mostly Indians. I checked last few AtCoder contest and their problems seems like brain teaser with constructive and ad-hoc solutions. It would be interesting to have a small checking function to avoid this human error. Awesome Competitive Programming . For all other platforms, the issue is that problems are often standard or boring. (not in production) requests Regarding quality of problems in my opinion: 0. Codeforces Round #104 (Div. So I guess that answer to "are they good way to practice general techniques used in programming contests?" However Codeforces has by far the best website, there is community here which is nonexistent elsewhere (because of blogs) and great contest resources in gym. However Codeforces has by far the best website, there is community here which is nonexistent elsewhere (because of blogs) and great contest resources in gym. I still prefer the TC challenges than the Hacks here, exactly because as other people said it's not fair to some people have the lucky of getting hacked and correct their solutions. CodeForces (good problems and very regular contests, also b̶e̶s̶t most active community), CSAcademy (good problems, could be more frequent contests), TopCoder (fine problems, but super confusing site interface, problem submission and irregular contests), HackerRank (personally, I think the problems are a little substandard), CodeChef (again, imo poor problems (I dislike the multiple test cases in one input) and issues in the past with postponing/cancelling contests), Codeforces — good problems but the contest times are never good for me. If you can't solve the next problem, you can attempt hacks on those you've already solved, rather than wait for the next phase. Hey, I've been lurking this subreddit lately and have been learning a lot. CodeForces. In Codeforces you can have the same problems as in TopCoder but not vice versa (I think it will be difficult to pass 10^6 numbers as a method arguments). I can't imagine doing CP and not visiting Codeforces regularly. You can get the best discount of up to 50% off. weird sort codeforces solution Yes, my first contest ever was not a Topcoder SRM or a Codechef cook off. Lucky Conversion . If someone likes to say "this is a programming contest, not an algorithmic one" or "I don't get why people don't learn SSE these days which is more useful than e.g. As much as I like tree and dp, those topics are a bit over saturated too. It's not exactly true because CF have ACM-style competitions, team competitions. This includes, quicker response from discussion forums, more number of competitions, editorials being better and being on time, etc… I am not a complete beginner but I still consider myself some 3 rating type of person on codechef. Python 2.7 2. Polygon. I just want to ask if they are good way to practice general techniques used in programming contest? And TopCoder's website is super counterintuitive. ", Presenting TLE: the best Codeforces bot for Discord, CSES Problem Set update June 2019: New problems and hacking, Technocup 2021 Elimination Round 3 and Round #692 (Div. You can also see wins and tenure with Topcoder. If you prepare for IOI, don't focus on atcoder or topcoder. Problems at codeforces are harder in comparison with leetcode (div 1 for sure) + more room for growth. Arguments against topcoder is that the interface is difficult, but navigating difficult algorithmic problem is just like navigating the difficult interface anyways. r/cscareerquestions - Topcoder vs CodeChef vs Codeforces vs Project Euler etc. But we hope that you'll enjoy our contest in the future as well! The only issue is that their contests are infrequent and always at the same inconvenient time (for me). Is the country responsible for preparing problems? So I prefer CodeForces :x. Codeforces Vs Overview. :D. I love TC and I love CF. 1 + Div. (not in production) Tensorflow 3.11. 'sorted(set(s))' in Python gets me a TLE. Codeforces Visualizer. It would be great if CF has forums properly structured. My target : Being red in TopCoder (or Codeforces also OK) before ACM-ICPC World Finals 2014. The number of implementation problems is increasing and idea — based problems seem to be lost. In the name of the csacademy team I would like to thank you all for your kind words! Customers like Fujitsu, Harvard, Land O’ Lakes, NASA, Saxo Bank, and many others use Topcoder to supplement and enhance their digital teams. Jupyter (for running notebooks) 3.9. Like there are still plenty of good problems previously, just more standard/too easy mixed in with good ones if you go back a bit, at least imo. heavy-light decomposition" then maybe he has good point on improving his results in general, but this is not where the fun is in my opinion. Still def worth someone's time tho. 1, Div. However ejudge has probably even significantly better contest resources. Well, any decision should not make the community worse. And I'd like to see a list of all problems with upsolved ones being marked green or sth. 2- I like Codeforces contest format more than TopCoder contest format, the contest contains more problems and more time, and I like Codeforces hacking more than TopCoder challenges. TopCoder can handle 2200 participants pretty easily I believe. I don't see why everyone can't make an effort to speak in english like in TC's forum, which works very fine. I think CFs is getting more stable but still behind TC. My intention is to generate more comments using everyone's potential, not to take out the russian participation. Good time zone for Europe. > I like Codeforces hacking more than TopCoder challenges.I definitely prefer TopCoder challenges rather than Codeforces hacks. There is no way to interact with the community but most of the after — contest discussions (no matter what online judge) are carried out on Codeforces anyway. Hi, although I have been using Codechef for quite some time now, I did hear from a lot of friends that Codeforces is better in quite a few ways. I also like the Topcoder challenge phase more than the codeforce hacking, because it is somehow unfair, if you were hacked and a other person was not, and you can correct your error, while the other person cannot. We would like to host more contests as well, but we'll need more people to do so. APPS . Overall, I'd prefer English-only comments. Interface looks a little clumsy at first but is actually good once you get used to it. USACO problems, particularly older ones by only a few years, are not the best as far as OI goes, at least on average, though there are def some nice gems. Codeforces has the largest community obviously, and frequent contests. I always assumed that the host country is somehow responsible for the selection of the tasks. This makes me feel more as a visitor than a member. Flask 3.7. psycopg2 3.8. I know it's much more comfortable to speak in the home language, but It's very annoying to see like 80 comments in the Russian version, possibly containing interesting things and solutions in contrast to 4-5 in English. I believe that they can add new features:). Codeforces GYM is quite helpful training resource for teams. The contests are quite frequent and the editorial is published quickly as compared to other websites. Of course we are comparing TopCoder Algorithm section. 3- Codeforces now makes much more contests than TopCoder. I think 2017-2018 season is unbeatable, at least for plat. E.g. My advice on practice to become a red coder at Codeforces, TopCoder and AtCoder. http://www.codeforces.com/blog/entry/1197. So speaking about problem quality it definitely can be a good place to practice hard problems (given that you can find particularly hard problems). Eg. Codechef — The reason that most of the good competitors don’t compete on Codechef is quite obvious (I think). A huge amount of your nerve cells die every time when you wait for a rating update on Codeforces. If your predictions are correct then we need another strategy hehe. Hackerrank, Hackerearth won’t be considered because they are not particularly trying to build contest platforms but rather focus more on getting people jobs, etc. GYM. Programming competitions and contests, programming community. (not in production) Keras 3.10. The only programming contests Web 2.0 platform. Obviously I might not be the best judge of the problem quality. Panasonic Programming Contest (AtCoder Beginner Contest 186) Announcement, Codeforces Round 692 (Div. TopCoder 3./4. I remember watching live scoreboard of last year's ICPC WF in [user:ahmed_aly,2014-06-19]'s site. Images are used to explain more. Codeforces — the only place with the community (and thus the rating matters more here). I hope it's a one-time thing, and by default they have multiple (also slow) solutions and they stress test the correctness. The only programming contests Web 2.0 platform, But, In Codeforces Contests can't cheat. On one hand, Codeforces is a social network dedicated to programming and programming contests. Sometimes there are no tasks which need a lot of server resources, in these cases the system test run faster. Codeforces is improved constantly (e.g. Since there are only a few contests per year, the problem bank is relatively limited, but still high quality. December 11, 2020 December 11, 2020 Uncategorized Leave a comment December 11, 2020 Uncategorized Leave a comment This last round was an example, delayed start and low responses some times. It's also not just about having questions, but also to participate in the discussions, many interesting points come from other people's mind and I would like to see it. Isn't Atcoder a good place to train for IOI because it's in Japan this year? I like the combination of hacking and coding, on the contrary. Petya loves lucky numbers very much. The format of contests is strange (only 3 problems, so often only 1 main problem to decide your place), but the quality of problems is on a very high level. If you’re using any of the two, it’d be best if you use a book like Introduction to Algorithms (CLRS) , as it covers both basic and obscure topics of DS&A to such a level of detail that you’ll achieve mastery of the topic by the time you finish using it. Last year, I did attempt to participate in a SRM, but I met various difficulties. I didn't get you. Funny enough, I changed today to the Russian language and I noticed that some guys replied the same question I did to other guy in english but didn't set up the language correctly, so it was only being displayed in the Russian interface. I think codechef is better for beginners and has a better UI than codeforces .There are tons of questions here and also categorized very well so anyone can practice. For Atcoder, I have not participated in many contests, but the problems I have seen have been excellent quality. Maybe I have this feeling because CF hosts more contests than other platforms, it's hard to say. 2) Editorial, Invitation to CodeChef December Cook-Off 2020. But because of that — often contests with problems that are boring in my opinion. Hopefully it will help somebody to better prepare for the interviews at places like Google, Facebook, Amazon, and others: 1, Div. This is one in a series of articles describing the research, writing, and tool creation process. Maybe an option to choose whether user wants to translate his comment without assistance or he wants site to translate it using google would do? Yep, exists an idea to have double-language comments that may be displayed differently in different languages. PostgreSQL 9.6.3 3. Need help on How to change my USER NAME in codeforces. I think that if CFs wants to be a real international reference in programming contests it should forbid the Russian comments. Isn't that true? Hi daftcoder, I realize your point, but it's kind of boring to have a question, wonder if it was answered in Russian, then change the language to Russian, use google tradutor and try to understand something and if not ask it. I was recently surprised by wrong tests in one problem (there was a rejudge during the contest). Codeforces/CSAcademy I don't participate in contests on other websites. It allows you to Hide/Show problems' tags in an easier way (i.e. Atcoder — superb quality of problems that require thinking more than implementing. The only programming contests Web 2.0 platform, Presenting TLE: the best Codeforces bot for Discord, CSES Problem Set update June 2019: New problems and hacking, Technocup 2021 Elimination Round 3 and Round #692 (Div. Some 250 pointers seem quite tricky and not — so — straightforward as well. My disappointed point is that I didn't see the fighting between ACRush , Tourist and Petr :( . Created with a view to connecting people to information, this list below contains a complete collection of all the fantastic resources I've collected over the course of my 11-year competitive programming career. What is more important - you will be able to improve your coding/solving speed significantly (2-10 times). Maybe too many problems where you should guess a solution without proving anything. Panasonic Programming Contest (AtCoder Beginner Contest 186) Announcement, Codeforces Round 692 (Div. I am sorry, I didn't mean to say anything about Indians, I just wanted to add that the percentage of Indian competitors in quite high. Maybe it's better to continue this in other thread and probably in Russian. Actually, CSAcademy has an extremely nice and intuitive UI and even some cute addons such as a graph editor, coordinate plotter. Frequent contests and unfortunately quite frequent issues with the judge. where I waited a long time without answer. @ahmed..  dude when are u going to update ur tool for this codejam.. You are definately right about the first point. I noticed that a Hackathon had an option to link to ones CodeChef account. Instant editorials, downloadable tests, visible codes of others, no issues with the judge. I also agree the site is stable, especially recently, despite the increased number of participants. At the moment there are only 2 active people on CSA. However ejudge has probably even significantly better contest resources. the last CEOI: http://codeforces.com/blog/entry/52986. which is in fact a good thing in my opinion. A very big effort is exerted in it. I really like CF, the biggest problem for me it's the schedule of the contests, they are pretty fixed, fixed in moments that I hardly have time to participate. A curated list of awesome Competitive Programming, Algorithm and Data Structure resources.. 1- Codeforces contests now are more stable than TopCoder contests, there were about 2200 registrants today (not all of them participated) and the contest ran smoothly (at least for me). then I think answer is "no", because you won't encounter there obvious problems requiring centroid decompositions and persistent treap together etc. Sometimes the judge performs poorly. The new discount codes are constantly updated on Couponxoo. This is most certainly not the case here.) 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Topcoder SRM Matches ; CodeChef Compt Soln ; CodeForce Compt Soln codeforces vs topcoder CodeForce Compt Soln ; Compt. If conditions are right, it could potentially become a red coder at are. People to do so time I 'm glad others share my frustrations with TopCoder to create and deploy an digital. Panasonic programming contest ( atcoder Beginner contest 186 ) Announcement, Codeforces is a great way of making side!