If they reply and we are convinced that they were wrongly accused, their disqualification is revoked. Codechef did not do his job this long challenge yet it was obvious that the plagiarism had to be very big. Out of 10 solutions in python3.6 I count 4 plagiarisms on XYPIZQ. If majority of people who checked the code found it same reduce their ranks etc. CodeChef was created as a platform to help programmers make it big in the world of algorithms, computer programming, and programming contests.At CodeChef we work hard to revive the geek in you by hosting a programming contest at the start of the month and two smaller programming challenges at the middle and end of the month. Not an easy number to weed out plagiarism from, but we do try our best. At the same time, Distribute Apples was the problem with the most attempts with 83,500 submissions. Also, going forward, we will be taking up a proactive approach against those users who are caught plagiarising. 8 =>1000 then it is not possible to choose . Were You There At The Indian Programming Camp 2020? The August Long Challenge 2020 was every bit as fast-paced and thrilling as the 2019 version. Division One gave an impressive performance, and the problem with the most submissions was Two Circles. no1coder September 12, 2020, 10:00am #3. for DSA Certification. August LunchTime 2020 had us hooked to our screens throughout the three hours. We believe it is the love for programming. - Used to solve tons of algorithmic and mathematical problems but now working of solutions of real world problems. ?”, we didn’t say that, and that’s what the blog talks about. And what disgusts me is that the scores of all these cheats have been calculated. Over 5000 players sent in submissions for this problem, but only 2 emerged victorious. The problem with the most submissions and successful submissions was Chef Drinks Coke at 9825 submissions, out of which 2262 got the green tick. Codechef September Long Challenge Solutions Overview. Plagiarism is an unfortunate by-product of almost any online contest, and ours has been no exception. However, we do allow them to make an appeal for their case, informing them of the same via email. CodeChef was created as a platform to help programmers make it big in the world of algorithms, computer programming, and programming contests.At CodeChef we work hard to revive the geek in you by hosting a programming contest at the start of the month and two smaller programming challenges at the middle and end of the month. Being a small team, we just could not prioritise this over so many other things that we have been doing. The August Cook-Off 2019 was something straight out of a movie. Yes 1 or 2 question are generally easy one with easy logic so there is a big chances of matching code??? All submissions are filtered through MOSS (a plagiarism checker tool), that throws up pairs of submissions with similar code percentage. Even if we publish the similarity scores, there would simply be too many requests. This is why manual checking is unavoidable. The problem that acted as a bandwagon in Division One was Polygon Relationship as it got 800+ submissions from which 681 we’re accepted. There are several cases that are false positives due to various reasons such as similar (or same) code template, codes taken from an online source (ex geeksforgeeks, cp-algorithms) that were published before the contest started, short codes, similar way of writing codes, etc. We understand that this has encouraged many more participants to take the system lightly. When I mentioned publishing similarity scores, I was talking about a system similar to CSGO Overwatch (came across this idea in ‘Discuss’). Similar to Division One, even here, the toughest problem – Elevator managed to get only two correct answers, proving that the August LunchTime 2020 was full of tough problems. Every user caught in plagiarising was informed of the punishment they’d receive beforehand, and they already knew the consequences and the rules. The opposite of Smallest KMP was ANTS (Challenge), as this problem got a meager 1025 submissions, from which only 32 proved to be accurate. Division One was hard at work, and the problem with the most submissions was Chef and Wedding Arrangements at 8600. For future contests, we will continue to punish users engaging in plagiarism with a 275 point rating drop. The above process requires manual scrutiny. This weekend’s LunchTime seemed like a fitting way to end the month. CodeChef is a product of this love, and the collective sentiment of the community has made the platform what it is today. This contest was one of the rare ones where we got to see a problem with zero accurate submissions. Then, we manually look at those to identify the right parameters to find similar-looking solutions. Adding to our menu at the Chef’s kitchen, here’s something specially catered for the coding taste buds that are still budding (pun intended). We want to reiterate that while taking reference from study materials and solutions to solve problems is acceptable, ripping off someone else’s solutions isn’t in the best spirits of the competition. Here is the link of the playlist Codechef Long Challenge Questions - YouTube Every video is divided into 1. Trusted users can also be weighted based on the %cases where their verdict has been deemed as the majority verdict. The Moss % match should not be mentioned as this would lead to plagiarizers finding the way out to check for the code percentage from the source that they are copying. Really, it takes 2 years to drop ratings? If found guilty, we drop their ratings by 275 points. One problem where we seriously need to praise the problem setters was Warrior. That is why I am not participating in codechef long challenge, so much cheating from past few months. This would in a way slow up the process instead of speeding it since then we’d have to check each request individually. Division Two’s favorite problem turned out to be Eidi Gift. so u are saying that if someone cheats today , his rating will not be dropped for years??? SOLUTION to this : After the contest ends, give the codes to audience to survey whether they are same or not. A typical short contest these days gets about 50,000 – 90,000 submissions while a long challenge gets about 5-6 lakhs. New Year, New Playing Field – Let’s Welcome CodeChef…. Important Links of our resources & information -, Prepare The monthly contests are always an action-packed deal. The participants once again had eight problems to wade through. And hence, while most of the above steps are being implemented, we have not been able to execute the last step from the month of August 2018. The players had five exceptionally tough problems to work through, and they did not disappoint. looolchef. The new discount codes are constantly updated on Couponxoo. Both the Divisions were assigned five problems each. CodeChef - A Platform for Aspiring Programmers. Hi, Rathi_22. This time competition was a bit steeper, as the players were given six problems. As for your question. Once identified, we disqualify those submissions, and as a result, the corresponding users go down the contest rank list. The problem that must have had all these star-coders frustrated was Friends and Candies. This problem got 12075 submissions, out of which 3018 got the green tick. SOLUTION : CodeChef April Long Challenge 2020 | COVID Pandemic and Long Queue | COVIDLQ Due to the COVID pandemic, people have been advised to stay … Out of the fifty players that sent submissions for this problem, only three claimed bragging rights. ... and links to the codechef-long-challenge topic page so that developers can more easily learn about it. for DSA Certification. Both the Divisions had five problems each. POSITIVE AND Codechef October Challenge 2020 solution and explanation. The monthly contests are always an action-packed deal. Codechef September Long Challenge Solutions can offer you many choices to save money thanks to 23 active results. Meanwhile, the crowd favorite problem in Division Two was Football, which received a stunning 19,250 successful submissions. The number of cases for MOSS that we receive is in thousands. I am just curious about the number of cases where MOSS detects a similarity and manual checking happens, and what is the percentage of cases which are false positives. For Division One, the problem that acted as crowd favorite was Destroy Cells with 163 successful submissions. We try and make sure that we do not allow any false positives to go through, and therefore, facilitate an extensive appeal process. Today we have taken the liberty of compiling all the exciting parts of the August challenges of 2019 and 2020. November LunchTime 2020 | Tourist At The Top Again. It got 900 submissions, but only 20 out of these were accepted. The Indian Computing Olympiad 2021 Registrations Are Now Open! Posted by pakenney38 on Fri, 19 Jun 2020 04:20:58 +0200 (Challenge) Bacteria Synthesis was once again public enemy number one as it managed to accumulate only 375 submissions out of which merely 9 hit the bullseye. You can get the best discount of up to 50% off. 10 Likes. what is Moss % match required to get caught in plagarism. With tough problems and tougher competition, read on to relive that electric vibe. Important Links of our resources & information -, Prepare We’re halfway through the year and its time for our sixth Long Challenge of the year 2020. Division Two had equal amounts of activity going on. Explanation-condition for =>-1. Over here, Smallest KMP got the most submissions at 124150, whereas Chef Wars – Return of the Jedi got the most successful submissions at 28768. Also, if it is possible you could publish the similarity scores publicly and reward users with x Laddus per plagiarism detection which may further help reduce some manual checks and speed up the process. Hi, you can find the video solutions of CodeChef Long Challenge contests on PrepBytes youtube channel. The toughest problem was Beauty of Segments, as only 8 out of the 75 players who sent solutions claimed the green tick. This weekend was an exciting affair for everyone involved in the November Cook-Off. if number is in form of 2 than it will never possible to arrange for example . [Official] June Long Challenge 2020 - Post-contest streaming - Session 2 announcement Know more here. However, there was no lack of challenging problems, as Chefina and Swaps managed to acquire merely two right answers. Problem statement understanding 2. “If someone cheats today, his rating will not be dropped for years?? It Ideally doesn’t take this long to drop ratings, and that’s the reason why we are apologising. Codechef June Challenge 2020. Ya bro so demotivating … most of the solutions are leaked …rip long challenge. Both the Divisions were assigned eight problems, and the competition was cutthroat. Well, you don’t need to prepare or strategise for long contests, as the time given to you is enough to learn and research. The whole process takes a tremendous amount of our time, and we have tried to be as fair as we can be. The onus lies with them to prove their innocence. Division Two was just as hard, as even here, we had an unsolvable problem. October 30, 2020 ... Mar 2019 - May 2020 1 year 3 months. We were all in awe of the August Cook-Off 2020. The problem that received the most submissions in Division One was Guddu and His Mother with a grand total of 5,300 submissions. To begin with, the current team which handles this can establish themselves as trusted users and incentivize more people to join by rewarding users with some Laddus every time the verdict they give is deemed correct. Out of the 50 players that attempted to solve Safety in Treeland, all returned home empty-handed. The first 2 or first 3 questions are easy and can have same solutions for many users.Does this also count in plagiarism??? Here is the link of the playlist Codechef Long Challenge Questions - YouTube Every video is divided into 1. But over the last many months, we have had a significantly larger number of cases of plagiarism, partly because the number of participants has increased significantly and partly because of our inaction at a particular penalisation step. And for the question, “Then what action are u taking against cheating”, well, the whole blog is about our measures against cheaters caught in plagiarism. What sets the passionate programmers apart from the ones who resort to plagiarism in coding competitions? MikeMirzayanov → 2020-2021 ICPC, NERC, Южный четвертьфинал (онлайн-трансляция, правила ICPC, предпочтительно команды) sharabhagrawal25 → [For Beginners] Video Tutorials COPS Youtube Channel . *has extra registration . The August LunchTime 2019 was an absolute knock-out. 15 Likes. With tough problems and tougher competition, read on to relive that electric vibe. programming codechef codechef-solutions lunchtime codechef-long codechef-long-challenge codechef-competition may-2020 programming … As mentioned above, the whole process takes a lot of time, and we will also try and come up with ideas where we can take help of the community in some way to speed up the process. This rewind certainly helped all of us reminisce about the old times, and we hope this blog helped you refresh your memory as well. The idea here is that this will enable you guys to outsource a part of the work to users who volunteer to fight against plagiarism, without your team personally having to go through all the cases. However, we want to assure you that it was not that we have been casual about this. Author Alei Reyes Posted on March 1, 2020 March 1, 2020 Categories Challenge, Codechef Leave a comment on A micro-improvement month A two challenge month January Long featured a problem that was solved optimally by at most one contestant (read the statement at CHEFARMY ). then what action are u taking against cheaitng?? We’ve had plagiarisers since almost the beginning, but we started taking measures against them only after a few years. lol About CodeChef Lunchtime: CodeChef Lunchtime is a three hours coding contest where you can show off your computer programming skills. Basically, you set a threshold of experience (say 2years on CC and 1800+ rating, or some other criteria) and call some users as ‘trusted’. To plagiarise in a platform that is built to strengthen one’s skill in programming is just counterproductive in the long run. 2 min read. Over in Division Two Game on a Strip got the most submissions as 25600 players attempted to solve it. The easy-peasy problem for all the players in Division One was Smallest KMP, as a total of 1146 players managed to crack it. This can even be more than the number of MOSS cases and would involve many complications. We hope that these measures will help address a long pending issue at hand. As you keep participating, you will become better in this format. August 3, 2020 2 min read. Now for each plagiarism case, suppose 7 trusted users give their verdict (Y/N on whether or not plagiarism has happened) and you conclude the case based on the majority verdict. In Division One, Alien Invasion stole the spot for most submissions at 3375, and Game on a Strip got the most successful submissions at 773. We Expanded Our Kitchen With A New YouTube Channel! Meanwhile, Rich Substrings got the most successful submissions with 197 players solving the problem. The latest ones are on Sep 12, 2020 On the opposite end of the spectrum, even here, ANTS (Challenge) had all the players puzzled as only 4 out of the 450 players that attempted to solve it were successful. Also, we’re planning to drop the ratings in a way that’d be quite fair for the users, especially the ones who have cheated in a single contest, and after that not cheated for many contests.

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