The 2025 Universal Cup Finals The best and brightest programmers from around the world have gathered this week in Dongguan, China, for the highly anticipated 2025 Universal Cup Finals! <center> <img src="/predownloaded/b8/c4/b8c48453572a7a497d0be10c665c67bfe5074593.jpg"> </center> ### Event Details - Date: Saturday, February 22nd - Start time: 10:30 AM CST (2:30 AM UTC) - See [participating teams](https://codeforces.me/blog/entry/136593) - Full schedule can be found [here](https://ucup.ac/news/announcement-2025-ucup-finals/) ### Streaming Witness the best contestants in the world as they push the boundaries of skill and strategy. You can be part of this event by following us online either on [English Channel](https://www.youtube.com/@que_tourist) or [Chinese Channel](https://live.bilibili.com/11464806). ### Mirror Contest Join the mirror contest and compete in real-time with the finalists from anywhere in the world. Any Universal Cup registered team can participate. The mirror contest is ...

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The 2026 Universal Cup Finals The best and brightest programmers from around the world have gathered this week in Shanghai, China, for the highly anticipated 2026 Universal Cup Finals! <center> <img src="/predownloaded/e6/93/e693e47e517f397b13fc0a1dab505067ca789e98.jpg"> </center> ### Event Details - Date: Sunday, May 10th - Start time: 11:00 AM CST (3:00 AM UTC) - See [participating teams](https://codeforces.me/blog/entry/153064) - Full schedule can be found [here](https://finals.ucup.ac/schedule/) ### Streaming Witness the best contestants in the world as they push the boundaries of skill and strategy. You can be part of this event by following us online either on the [English livestream](https://www.youtube.com/watch?v=Y9HMX3zhFMM) or the [Chinese livestream](https://live.bilibili.com/1753191619). <center style="margin: 2em;"> <iframe width="560" height="315" src="https://www.youtube.com/embed/Y9HMX3zhFMM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipb...

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Ozon Tech Challenge 2020 Hello Codeforces! <center> <img alt="ozon" src="https://codeforces.me/predownloaded/6a/99/6a99904b94e5c20a149198e2dde4068dadd9278a.png" style="float:right; height: 200px; margin: 10px; max-width:50%;"/> </center> We are glad to invite you to the upcoming “[Ozon Tech Challenge 2020](https://codeforces.me/contests/1305)”, which will start at [contest_time:1305]. The round will be open and rated for everybody! This round is initiated and supported by Ozon. Ozon — one of the leading players in e-commerce (provides its customers with over 2.5 million product names in 24 categories), a tech company that actively developing its IT department. They already have the largest Golang team in Russia, a proprietary WMS fulfillment management system completely written by the Ozon team, 250 million lines of logs per day, collected on the site and in the Ozon mobile application. Ozon experts perform at the leading profile conferences GoperCon, Heisenbug, GoWayFest, GolangConf, and also ...

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think-cell Round 1 Hello, Codeforces! Welcome to the [contest:1930] supported by think-cell, which will start on [contest_time:1930]. It will be a combined rated round for both divisions. All problems were authored and prepared by [user:Elegia,2024-02-13] and [user:satyam343,2024-02-07]. We would like to thank: - [user:errorgorn,2024-02-13] for round coordination and help with preparation - [user:KAN,2024-02-17] for helping with the preparation of problems - [user:Alexdat2000,2024-02-13] for Russian translation - [user:GoatTamer,2024-02-17] and [user:Non-origination,2024-02-17] for discussing problems with us while our proposal was in review and testing the round. - [user:Kaitokid,2024-02-13], [user:antekb,2024-02-13], [user:vgtcross,2024-02-13], [user:riano_,2024-02-13], [user:mtw,2024-02-13], [user:AboAbdoMC,2024-02-13], [user:Vladithur,2024-02-13], [user:BERNARD,2024-02-13], [user:milind0110,2024-02-13], [user:conqueror_of_tourist,2024-02-13], [user:Um_nik,2024-02-13], [user:gamegame...

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Contest 2050 and Codeforces Round #718 (Div.1 + Div.2) Hello Codeforces! [contest:1517] will take place on [contest_time:1517]. It's rated for everyone! The score distribution is **500--1250--1500--1750--2500--3000--3000--4000**. You will have 2 hours and 45 minutes to solve 8 problems. Contest 2050 is initiated by volunteers of the 2050 Conference. You can find out what is 2050 at the end of this blog. The contest is prepared by - [user:Fulisike,2021-04-21], [user:littlelittlehorse,2021-04-21], [user:Retired_MiFaFaOvO,2021-04-21], [user:xyz2606,2021-04-21] and we'd like to thank - [user:KAN,2021-04-23], [user:Nebuchadnezzar,2021-04-21] for their excellent coordination. - [user:absi2011,2021-04-21], [user:chitanda,2021-04-21], [user:Gromah,2021-04-21], [user:Itst,2021-04-21], [user:_cherry_,2021-04-21], [user:Aaeria,2021-04-21], [user:HIS_GRACE,2021-04-21], [user:A.K.E.E.,2021-04-21], [user:namanbansal013,2021-04-21], [user:Miracle03,2021-04-22], [user:yaoR,2021-04-23], [user:sshwyR,2021-04-23], [user:chenjb,2021-04-23]...

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The 2025 Universal Cup Finals — Wrap up We are excited to share that The 2025 Universal Cup Finals just successfully wrapped up in Dongguan, China! <center> <img src="/predownloaded/cf/81/cf81069734f8d9b6e994f27c84e2781ccbe20c38.jpg"> </center> What a wonderful week! In our five-day event, participants went to the city tour of Guangzhou, competed in the Challenge session, participated in the Conference for Competitive Programmers, and most importantly, our main competition &mdash; The 2nd Universal Cup Finals! <div class="row"> <img src="/predownloaded/f5/d8/f5d8cd3b6264dfe7de13433662a7a1fbe61293f0.jpg" style="height: 262.0px;max-width: 100.0%;max-height: 100.0%;"> <img src="/predownloaded/cb/40/cb4020f1b2f88fc7cd7e40f11ccda90c88df26ba.jpg" style="height: 262.0px;max-width: 100.0%;max-height: 100.0%;"> </div> <div class="row"> <img src="/predownloaded/88/82/88820a183af6e038ba219c5887674276cd29322d.jpg" style="height: 262.0px;max-width: 100.0%;max-height: 100.0%;"> <img src="/predownloaded/8d/ab/8daba...

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Code Festival 2016: interview and photos from participants [Code Festival 2016](http://codeforces.me/blog/entry/48616) was held in Tokyo on 25-30 of November. Boris [user:qwerty787788,2016-12-13] Minaev has shared with us his impressions, and Maxim [user:Zlobober,2016-12-13] Ahmedov and Nicolay [user:KAN,2016-12-13] Kalinin shared photos. &mdash; _To start with, let's mention that,_ [AtCoder](https://atcoder.jp/) _and_ [Indeed company](http://ru.indeed.com/about) _announced the festival. How many quals were there? In what way were they arranged?_ &mdash; There were 3 contests, in which you could take part. In the first part TOP-10 were selected, in the second one — TOP-5, the third one — TOP-5. To sum up, there are 20 foreigners to be selected. &mdash; _Which quals the Japanese had then?_ &mdash; Probably the same, but 200 participants passed the qual there. &mdash; _That means, the event is more orientated on Japanese people?_ &mdash; The previous years the event was held only for Japanese, this year they decided ...

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ICPC Finals 2019 <img src="/predownloaded/02/25/02253adce36abb83bcaedca3cd1498b9d459d90d.png" style="margin: 0 0 0 1em; float: right;"> ICPC World Finals 2019 will begin on <a href="https://www.timeanddate.com/worldclock/fixedtime.html?msg=ICPC+World+Finals+2019&iso=20190404T12&p1=320&ah=5">April 4, 2019 at 11:00 (UTC)</a>. This event is the main event of the year in the world of sports programming! In the past 20 years alone, ICPC participation has increased by more than 2000%. The contest evolved into its present form as a multi-tier competition in 1977, with the first finals held in conjunction with the ACM Computer Science Conference. Last year, ICPC Regional participation included 52,709 of the finest students and faculty in computing disciplines from 3,233 universities in 110 countries. We remind you that in the current world champion is the team of Moscow State University. Codeforces wishes the teams to show a vivid and interesting contest. We wish to find beautiful solutions, write ...

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How to Interpret Contest Ratings **UPDATE: the [new rating system paper](https://arxiv.org/abs/2101.00400) will appear in the Web Conference 2021!** If you're new to competitive programming, you may be wondering: what are ratings and colors? What do they mean? As a contestant and now coach of the UBC team, I've taken enough interest in the subject to have developed my own rating system, Elo-MMR, which I might describe in a future blog post. For now, I want to talk about ratings more generally: what does it mean to achieve a certain rating or title? How concerned should you be with your rating and title? Might it be harmful to be concerned with them at all? A Brief History of Contest Ratings -------------------------------------- Contest rating systems can trace their heritage back to the [Elo system](https://en.wikipedia.org/wiki/Elo_rating_system). Elo was devised for 2-player games, with rating updates based on whether a player wins, loses or draws. Starting in 1960, it was adopted by the chess community ...

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ICPC World Finals Moscow <img src="/predownloaded/a2/a3/a2a35281876bb89fc2558c46e36184124ca60caf.png" align="right" style="height: 400px; margin: 10px 20px 20px;" alt="text"/> Hello, Codeforces! ICPC World Finals Moscow will begin on [October 5, 2021 at 8:30 (UTC+3)](https://www.timeanddate.com/worldclock/fixedtime.html?msg=ICPC+World+Finals+Moscow&iso=20211005T0830&p1=166&ah=5). We are thrilled to invite you to join the live broadcast of the main event of the year in the world of sports programming! For the very first time in October 2021, Moscow will host the world’s most prestigious competition for young IT talents, the ICPC World Finals Championship. The last International Collegiate Programming Contest has hosted over 60000 students from 3,514 universities in 115 countries that span the globe. October 5 more than 100 teams will compete in logic, mental speed, and strategic thinking at Russia’s main Manege Central Conference Hall. Some useful links: - [Official website of the ICPC](http://...

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Codeforces Round #689 (Div. 2), based on Zed Code Competition 2020 <img alt="epam" src="https://d3373sevsv1jc.cloudfront.net/uploads/communities_production/page_part/46738/50534DE5F997443DBE1BBA96BC394F66.png" style="float:right; height: 200px; "/> <p>Hi <span style="font-weight:bold">Code</span><span style="color:rgb(71,94,152);font-weight:bold">forces</span>!</p> I am glad to announce and invite you to [contest:1461], which will be held on [contest_time:1461]. We want to offer you to solve 6 problems taken from the Zed Code Competition 2020, which was held as part of the [Adapt by Zed](http://zed.epam.com/) conference powered by [EPAM Systems](https://www.epam.com/). **This round will be rated for the participants with rating lower than 2100.** - The authors of the round are: Aliaksandr [user:AleXman111,2020-12-10] Kryvasheyeu, Aliaksandr [user:sdryapko,2020-12-10] Drapko, Aliaksei [user:netman,2020-12-10] Vistiazh and me. - The round was coordinated by Vladimir [user:vovuh,2020-12-10] Petrov and Nikolay [user:KAN,2020-12-10] Kalini...

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Are we close to machines solving ICPC problems? Hi, all, I with few other folks at [NEAR](http://near.ai/blog) work on teaching machines to program. A particularly exciting sub-project of that is teaching machines to solve competitive programming problems. In this post I would like to give a quick overview of where the state of the art is today, what the major challenges are, why this is not a popular area of research, and how the CodeForces community can help to address some of the issues the program synthesis community is facing today. We also have a certain budged allocated for this project, and we are paying to the CodeForces members who help us with some data annotation challenges. We have paid more than $10k in our first two annotation projects, and are launching three more projects today. Scroll to the end if you are interested. Competitive programming as a benchmark ====================================== With the emergence of deep learning, neural networks started performing almost at a human level in many ta...

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2025 Universal Cup Finals Announcement <center> <img src="/predownloaded/43/f6/43f69acd4c854a20d5f7064fe6252b346f9f5d5a.png" style="height:262.0px;max-width: 100.0%;max-height: 100.0%; "> </center> The 2025 Universal Cup Finals will be held on February 19-24, 2025, in Dongguan, China. <center style="margin-top:20px;"> <img src="/predownloaded/2e/43/2e43c11b6aa0f332223289005f38684c9e915c74.jpg" style="height:200.0px;max-width: 100.0%;max-height: 100.0%;"> <img src="/predownloaded/e2/2e/e22ec3eafa2bc52cff481928fd8889ed4ce1f059.jpg" style="height:200.0px;max-width: 100.0%;max-height: 100.0%; "> </center> <center> <img src="/predownloaded/76/5d/765d68de65938a0f5596b977441bd64557849a7b.jpg" style="height:200.0px;max-width: 100.0%;max-height: 100.0%; "> <img src="/predownloaded/13/51/13516e6e33e4f33a1860ecdd35b534b85b8def12.jpg" style="height:200.0px;max-width: 100.0%;max-height: 100.0%; "> </center> Starting on November 1st, based on the results of the 2023 ~ 2024 Universal Cup Online Stages and The 2nd ...

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Anarchy in the APSP: Algorithm and Hardness for Incorrect Implementation of Floyd-Warshall Hello Codeforces! I just uploaded the [first paper of my life](https://arxiv.org/abs/2404.08173) to arXiv, and I'm happy to share this with the community, especially because it is very related to competitive programming. Here is the [presentation](https://docs.google.com/presentation/d/1OE9cPSLMl4cHFqxjbPL8FRXo4ZKmRvTHKqgJbcoRobU/edit?usp=sharing) I gave in MIT Theory Lunch. ## What's the problem? Everyone knows the Floyd-Warshall algorithm for computing the shortest path, it goes like this: ~~~~~ rep(k, n) rep(i, n) rep(j, n) A[i][j] = min(A[i][j], A[i][k] + A[k][j]); ~~~~~ And everyone knows this *incorrect variant* of Floyd-Warshall. I certainly implemented this when I was learning CP, cause I kinda wanted to "fix the loop order". ~~~~~ rep(i, n) rep(j, n) rep(k, n) A[i][j] = min(A[i][j], A[i][k] + A[k][j]); ~~~~~ This is bad, it does not compute the shortest path. It does, however, compute "something". Imagine someone gives you a sparse graph and asks you to ...

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ZeptoLab Code Rush 2015 Hello, Codeforces! <b><i>The problems were suggested by users [user:roosephu,2015-04-04] and [user:sunayuki,2015-04-04]. The great help in preparing was provided by [user:Aksenov239,2015-04-04], [user:GlebsHP,2015-04-04] and Codeforces team. ZeptoLab Team did its best while working on statements.</i></b> <b><i>The round will use smoother dynamic problem scores with 250 points steps.</i></b> In 2014 we hosted our [first programming contest](/zeptolab2014) together with Codeforces, and we liked it! Let me shortly remind you how it was. The contest consisted of 6 problems, 2.5 hours were given to solve (you can have a look at the problems of the previous year and try to solve them [here](/contest/436)). Of course, even on a purely coding event we stayed true to ourselves, so all problems were designed based on our games, and, of course, we illustrated them with care: <center> <img src="http://assets.codeforces.com/images/zepto2015/pics2014.jpg"/> </center> Zepto C...

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Codeforces Round #801 — EPIC Institute of Technology Round (Div. 2) <a href="https://epic-institute.io/"><img alt="EPIC" src="https://assets.codeforces.com/images/deltix/epic2022.gif" style="float:right; height: 230px; padding-left: 35px; padding-right: 73px; padding-top: 41px; padding-bottom: 33px;"/></a> Hi, Codeforces! We welcome everyone to take part in [contest:1695], which will start on [contest_time:1695]. The round will be rated for participants of Division 2 with a rating lower than 2100. Division 1 participants can participate unofficially in the round. You will be given 5 problems and 2 hours to solve them. One problem will consist of multiple subtasks. The score distribution will be 500 &mdash; 750 &mdash; 1250 &mdash; (1250+1000) &mdash; 3000. The round was prepared by me, [user:ki0apa,2022-06-16], and [user:akifpatel,2022-06-16]. We would like to say a word of appreciation: - to [user:antontrygubO_o,2022-06-16] for amazing coordination of the round - to [user:18o3,2022-06-16], [user:bobbilyking,2022-06-16...

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Codeforces Round #515 (Div. 3) After the long delay (disease, conference and many other things) the new Div.3 round is coming! &lt;copy-pasted-part&gt; Hello! [contest:1066] will start at [contest_time:1066]. You will be offered 6 or 7 problems with expected difficulties to compose an interesting competition for participants with ratings up to 1600. Probably, participants from the first division will not be at all interested by this problems. And for 1600-1899 the problems will be too easy. However, all of you who wish to take part and have rating 1600 or higher, can register for the round unofficially. The round will be hosted by rules of educational rounds (extended ACM-ICPC). Thus, during the round, solutions will be judged on preliminary tests, and after the round it will be a 12-hour phase of open hacks. I tried to make strong tests &mdash; just like you will be upset if many solutions fail after the contest is over. [cut] You will be given 6 or 7 problems and 2 hours to solve them. Note th...

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Yandex.Algorithm 2017 Qualification Round Editorial Problemset was prepared by Yandex employees from Minsk. [Problem А. Task Management](https://contest.yandex.com/algorithm2017/contest/4502/problems/A/) ------------------ Consider a solution with the complexity $\mathcal{O}(n^2)$. Use a variable to track the last closed task and go through the list of tasks from the beginning to the end. Increase the counter when passing through the element corresponding to the next task. The constrains are quite large, so this solution doesn't fit the timelimit. What is the case when we can not find any suitable tasks up to the end of the list? There is only one case: the task number $(x+1)$ is closer to the beggining of the list then the closed task number $x$. Therefore, to solve the problem we can determine position of each task in the task list and count the number of distinct numbers $x$ such that the position of task number $(x+1)$ is less than the position of task number $x$. Don't forget to consider the first pass through the task...

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The 2026 Universal Cup Finals Announcement Hello Codeforces! I am excited to announce that The 2026 Universal Cup Finals will be held in Shanghai, China from May 7 to 12, 2026! <center style="margin-top:20px;"> <img src="/predownloaded/40/72/40729f130c6d86d6ec06078b24e2f5c8fd61e5dc.png" alt="2026 ucup finals" style="zoom:80%;" /> </center> <center style="margin-top:20px;"> <img src="/predownloaded/b8/87/b887ffab8b998244f31367f6867d25c1ccfc20f7.png" alt="lianqiu" style="zoom:80%;" /> </center> Based on the results of The 3rd Universal Cup Online Stages and The 3rd Universal Cup Semifinals, the Universal Cup Scientific Committee will start promoting teams to the Finals according to [this rule](https://ucup.ac/news/the-3rd-ucup-finals-qualification-rules/). Invitations will be delivered through email. <!-- more --> ## Competition Overview Universal Cup is a non-profit organization dedicated to providing practical training opportunities for teams aspiring to improve their algorithmic competition skills. At ...

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Palindromic tree: behind the scenes Hi everyone! As some of you may know, on this summer camp in Petrozavodsk [user:MikhailRubinchik,2014-09-25] presented a new data structure, palindromic tree. I had the honor to participate in the study of the structure for the six months before that, and I want to tell about it now :) [cut]<br> But firstly a brief explanation. If you alredy know basic ideas of the structure, you may go to the <a href="#inter">interest part</a>. Let's to each palindrome assign corresponding string equal to its right half, i.e., its radius and the boolean variable indicating its parity. Now let's merge all our radii of subpalindromes of string $S$ in two prefix trees for even and odd lengths separately. Claim: such trie will be $\mathit O(n)$ in memory. Indeed, there can be no more than $n$ distinct subpalindromes in the string, and each node in trie corresponds with only one unique palindrome. Therefore, we have no more than $n + 2$ nodes. Let's show that such structure can be constructed ...

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Yandex.Algorithm 2017 Warmup Round Editorial Problemset was formed by Oleg [user:snarknews,2017-04-22] Khristenko. ### [Problem A. Arithmetics Problem](https://contest.yandex.com/algorithm2017/contest/4449/problems/A) In this problem your task was to implement exactly what is mentioned in this statement &mdash; iterate over all integers starting from 1 looking for the integer that is not a divisor of $n$ and output it. Despite the fact $n$ may be pretty large, this works really fast because in the constraints of the problem the answer is no more than $23$ (least common multiplier of all integers between 1 and 23 is 5354228880 that is already bigger than $n$). This was one of the simplest problem of the contest, but still, many contestants were hurrying too much and got WA 4 on the first minutes of the contest because they were iterating up to $n$, but not to infinity. Such a solution doesn't work for $n = 1$ and $n = 2$. What a pity it must be to make such a bug when submitting the problem blindly :) <br /><br /> <sp...

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Bubble Cup Conference Hello, Codeforces! As you know from this [post](http://codeforces.me/blog/entry/20072) and this [post](http://codeforces.me/blog/entry/19957), [Bubble Cup](http://www.bubblecup.org/) is a programming competition organized by [Microsoft Development Center Serbia](http://www.microsoft.com/serbia/mdcs/). This year was held the first BubbleCup Conference where competitions gurus talked about competitive programming and more! And I wanted to share with you some great and useful talks. I sorted them in order of when they were presented, because some part of one lecturer is in the video of the other lecturer. I would suggest you to start from begging. Enjoy :) Michal Forisek ([user:misof,2015-10-21]) &mdash; talked about how it's easy to get discouraged in competitive programming; how to practise, **do what gives you the largest benefits**; about new point of view through, at first glance, easy graph problem. - [BBC8 Lecture &mdash; Michal (part 1)](https://www.youtube.com/watch...

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Elo-MMR ratings go live on CodeChef! Readers of my Codeforces blog may recall that [user:inutard,2022-07-10] and I have been experimenting with rating systems for quite some time. Last year, we demonstrated how to [break the Topcoder system](https://codeforces.me/blog/entry/87848), and [published our findings](https://github.com/EbTech/Elo-MMR/blob/master/paper/EloMMR.pdf) at the World Wide Web 2021 research conference. There, we derived a new Bayesian rating system from first principles. This system was specifically motivated by sport programming, though it may in theory be applied to any sport that ranks lots of contestants. Recently, it was adopted by the [Canadian contest judge, DMOJ](https://dmoj.ca/post/206-ratings-migrated-to-elo-mmr). Now, in collaboration with the CodeChef admins, we are pleased to announce that upon the completion of [July Lunchtime](https://www.codechef.com/LTIME110), the Elo-MMR rating system goes live on [CodeChef.com](https://codechef.com)! While recognizing that any rating system migrat...

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DSU with randomized linking is as fast as with rank heuristic It is known (well, as long as Tarjan's proof is correct, and it is believed to be) that DSU with path compression and rank heuristics works in $O(\alpha(n))$, where $\alpha(n)$ is an inverse Ackermann function. However, there is a rumor in the community that if you do not use the rank heuristic than the DSU runs as fast, if not faster. For years it was a controversial topic. I remember some holywars on CF with ones arguing for a random heuristic and others claiming they have a counter-test where DSU runs in $\Theta(\log n)$ independently of _rand()_ calls. Recently I was looking through the proceedings of SODA (a conference on Computer Science) and found a paper by Tarjan et al. The abstract states: _Recent experiments suggest that in practice, a naïve linking method works just as well if not better than linking by rank, in spite of being theoretically inferior. How can this be? **We prove that randomized linking is asymptotically as efficient as linking by rank.** This result pr...

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A New Bayesian Contest Rating System (Elo-MMR) **UPDATE: the [new rating system paper](https://arxiv.org/abs/2101.00400) will appear in the Web Conference 2021!** Last year, I [published ratings](https://codeforces.me/blog/entry/68288) using a contest rating system that I had developed at the end of 2015. Back then, I promised to eventually write in detail about the system's inner workings. Over the past week, I've cleaned up and optimized the code: it now takes 24 minutes to process the entire history of Codeforces on my small laptop!!! More importantly, I cleaned up the paper. Please ignore the last sections for now, as they're incomplete, but the main sections that explain how the rating system was derived are now ready! I claim my Elo-MMR is a more principled extension of Elo/Glicko to the programming contest setting, with nicer properties than the systems that contest sites currently use. The main work that remains to be done are quantitative empirical studies comparing the properties of the different ratings syst...

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Teen Web3 & AI Conference @ Stanford Web3 and AI meet their future generation. ========================================= ###### _Note that for those who have signed up already, the date has changed and you must re-register_ ALPHAG3N, working with sponsors such as Coinbase, Solana Foundation, Jetlearn, and partners such as Stanford Blockchain Club, is the world’s largest high school Web3 and AI community, and we are looking for you to join us! On April 23rd, at Stanford University, we will be hosting a Web3 and AI conference for teen enthusiasts (age 13-19) from all backgrounds and inviting speakers such as Sanchan Saxena and Ejaaz Ahamadeen. Throughout the day, there will be a panel session for all participants and five workshops to choose from for those who join us (workshop leads to be announced soon). For in-person participants, there will be free food, merchandise, and $1000 in raffle prizes. More details can be found at [https://alphag3n.com/](https://alphag3n.com/). For those of you interested in Web3, AI, an...

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Bayan 2015: History This year is 3rd edition of Bayan Contest. Inaugural contest took place in 2011. About 800 university and high school students from all Iran tried to qualify for the finals through 2 online rounds and best 30 of them participated in the finals at Bayan offices in Tehran. Seyed Hamed Valizadeh won university stundents contest while Saeed Ilchi won high school part.   Next time Bayan decided to hold international contest. Codeforces was used to select international participants while Bayan's own system was used for selecting Iranian finalists as well as for the final itself. This time 1286 participants from 54 countries and 1728 from Iran tried to qualify and 8 international and 16 local finalists arrived to Parsian Azadi Hotel on February 16th 2013 in order to decide who is the best. [user:0O0o00OO0Oo0o0Oo,2015-04-30] won the contest, [user:cerealguy,2015-04...

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PhD Positions at the Hong Kong University of Science and Technology (HKUST) Hi everyone! The Software Verification and Analysis (SVA) research group at HKUST has several openings for PhD positions in Programming Languages, Formal Verification, and Algorithms with a start date in September 2022. We welcome candidates with a bachelor's or master's degree in either Computer Science or Mathematics. The group's research is mathematical and algorithmic in nature. As such, we prefer candidates who have demonstrated research experience or a track record of excellent performance in competitive programming or mathematical/informatics olympiads. Candidates are expected to speak English fluently. We have openings for PhD in both Theoretical Computer Science and Mathematics. The normal duration of PhD studies is 3 years for MSc entry and 4 years for BSc entry. Salary is internationally competitive (~2300 USD/month, tax rate < 2%) and subsidized on-campus accommodation is provided. Admitted students will also be considered for the Hong Kong PhD Fellowship Scheme (HKPF...

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Bubble Cup 8 — Finals  Hello Codeforces, In less than a two weeks, finals of 8th edition of Bubble Cup will be held in Belgrade, organized by [Microsoft Development Center Serbia](http://www.microsoft.com/serbia/mdcs/). Unfortunately, there wont be Bubble Run contest this year (which was held last two years for university students in the same tame as BCup, and it was a 24h marathon style contest), but only ACM-style 5 hour long contest for both university and high school teams in the same category. You can read more about contest on the [official website](http://www.bubblecup.org), and read tasks and solutions from past years in the [booklets](http://www.bubblecup.org/Archive). (There are some very interesting tasks, especially from Run contests, so I encourge you all to take a look at them). Usually, the contest was interesting only to teams from Serbia and it's region, but every year we can see more an...

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ICFP Programming Contest 2020 — an unpredictable task, 72 hours, teams of any size **TL;DR:** ICFP Programming Contest starts next Friday, on July 17. It's an annual open online competition originally developed by functional programmers. It feels like an entertaining 72-hour marathon with unpredictable tasks and experience one could barely express (though participants write long write-ups describing theirs). If you haven't participated in ICFP Contest — definitely give it a try this year. **Register at the [website](https://icfpcontest2020.github.io) and follow on [Twitter](https://twitter.com/@icfpcontest2020).** Unlike other competitions, to participate in ICFP Contest one gathers a team of any size. In 2019, there were teams up to 12 people with a median of 3. The team has 72 hours to crack a single task which is always unpredictable, complicated, and versatile. For example, **in 2018** the task was to optimize 3D printing conducted by a swarm of nano bots, Here's an impressive solver visualization by team _WILD BASHKORD MAGES_ ([user:Ripatti,2020-07-08], [...

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APL Problem Solving Competition 2021 is now open! Hello, Codeforces! I am happy to announce that the [**APL Problem Solving Competition**](https://www.dyalogaplcompetition.com/?goto=welcome) is now open! It is a long-term programming contest which is meant to promote Dyalog APL programming language. You are allowed to submit your solutions only in this language. Yet, because it's sponsored by fintech companies, there are some pretty hefty cash prizes with good chances to win! Target audience --------------- Current students (both university and high school, including PhD students). Note: you need to be a current student at the time of competition's deadline. Dates ----- - **12 February 2021** &mdash; competition started (but you can join at any time, as there are only 11 problems to solve in Phase II) - **30 July 2021** &mdash; deadline for submissions Programming language -------------------- APL is a unique programming language which can be seen as an "executable math notation". It is a founding father of a w...

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About think-cell <a href="https://www.think-cell.com/codeforces"><img src="https://assets.codeforces.com/images/think-cell.svg" align="right" style="height: 100px;" alt="text"/></a> > Thank you, think-cell, for sponsoring the Standard C++ Foundation and challenging our Microsoft compiler team with complex C++ code. > > Herb Sutter, President of the Standard C++ Foundation [think-cell](https://www.think-cell.com/codeforces) is a fast-paced software company in Berlin, Germany, with a focus on developing graphics products that stand out from the crowd. More than 1,000,000 users world-wide rely on [our software](https://www.think-cell.com/en/product) for their daily business as it makes creating graphical presentations so much easier, faster and more enjoyable. Among our customers are many renowned consulting companies and large international corporations. We do not have to make compromises with regard to code quality and beauty, because think-cell is highly profitable. We are willing to go the ...

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IOI: database Last year I was deeply saddened by the fact that there isn't a unified place where one can view IOI results for all years. So I collected all the data I could find (and I found a lot) and put it in Excel. Then I edited the data so that the same person is written the same across all years. Afterwards I published it. There was hope that one day it could transform to [something IMO already has](http://imo-official.org/). But, time was passing by, the site wasn't magically appearing and this summer I decided to do it by myself. Currently the website has reached a state when it could be launched for a public use, so I'm happy to announce that today it was presented on the conference at IOI 2012 and is available at the following address: [http://ioi.eduardische.com/](http://ioi.eduardische.com/) ================== Despite the fact that the site is available for public use, it's still in development. Especially, it needs improvement in completing the database itself. Specifically, ther...

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Arriving to Tehran I arrived to Iran last night. Almost simultaneously with me two Bayan Programming Contest participants have also arrived to the Tehran Imam Khomeini International Airport.  Mr. Sadegh Hajsamadi from Bayan warmly welcomed us: [user:peter50216,2013-02-14], [user:kelvin,2013-02-14] and myself at the airport and hired a taxi which took us directly to the hotel. Thank you, Sadegh! The hotel arranged by Bayan for the contest is very modern, nice and has a conference room that will fit more than 60 contestants. I have not met other contestants yet, but I got a chance to visit the Bayan office. Mr. Ali Ghadiri, company's CEO, and Mr. Mostafa Rokooie, the contest manager, have invited me to a very traditional Persian lunch with local specialities. The food was delicious, thanks to Ali and to Mostafa! Unfortunately, I cannot show you the inside of the office because of the problem statements all over the place and algorithm ideas t...

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Отчет о деятельности Botan Investments за март. Слухи с чемпионата мира по программированию 2019 Всем привет! В марте в грантовой программе фонда Виктора Шабурова **Botan Investments** приняли участие преподаватели 20 вузов. Больше всего студентов удалось привлечь к тренировкам в УрФУ (21 человек) и ННГУ (20 человек). Больше всего тренировок (девять) провели в Иркутском ГУ. В нашей группе ВК вышли новые посты Михаила Рубинчика: [доступность подготовки к школьным олимпиадам](https://vk.com/botaninvestments?w=wall-115220257_392); [что делается для олимпиадной информатики в Свердловской области](https://vk.com/@botaninvestments-chto-delaetsya-dlya-olimpiadnoi-informatiki-v-sverdlovskoi-o). Сегодняшний пост выкладываем раньше, чем обычно, поскольку он посвящен свежим слухам с ЧМ мира по программированию 2019 :) <br><br> <center>  </center> [cut] <p style="background-color: rgb(250,250,250);padding: 1.0em 1.0em;"> Год назад я поделился информацией, которую услышал на финале-2018 из более-менее офиц...

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How I Got LAST Place in TSA Coding What is TSA? ============ TSA is a US student-led organization with over 1000+ members at my state-level conference. I signed up for it in my state because it had an event called "Coding," which I thought would be pretty trivial to place in, as people told me it was simple programming problems. Looking at past problems, they were at most 800 difficulty, so I thought it would be smooth sailing... My Story ======== We were given 5 stupid, well-known casework problems for the final round. These were literally 800 rated max, and I speedforced them all in 15 minutes. Then came the judging of our solutions &mdash; instead of using a DOMJudge or any online judge, my State Level TSA people decided to have a person who would come up with testcases on the spot, and then yell them out loud to every other team as we were being graded. The overall judging process for 5 simple problems took more than TWENTY minutes, as we were arguing with the judges about the problem statement being ...

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By the time ICPC comes - I finished my undergraduate degree. - I moved to another country. - I got my master's degree. - I interned as a researcher. - I will be moving to yet another country. - I will be starting a job as a researcher. - I lost and made many friends. - Finally, I've gotten quite worse at codeforces. For all those who qualified years ago (I did in 2021!), I'm sure your life looks nothing like it did when you made it. This will probably not be a contest of students; it might as well be a conference for software developers and grad school researchers. I personally can't make it, due to timing and place, and I'm sure many as well are disappointed with how things have been. But for those who do it will be a very interesting reunion. Please share your stories of how much has changed in these years!

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Authorship Identification of SOurce COde (AI-SOCO) Competition Hello everyone! I would like to invite you to the competition of [Authorship Identification of SOurce COde (AI-SOCO)](https://competitions.codalab.org/competitions/25148) that is prepared by [user:justHusam,2020-06-08], [user:alfadel,2020-06-08] and myself. <br> <br> <div style="text-align:center"><img src ="/predownloaded/3a/82/3a820a1e7e42e46d1516f1311a4cb326f2056845.png" /></div> This is no competitive programming competition, but it is very much related to it. :) This is more of an Artificial Intelligence / Machine Learning competition but it is centered around the Codeforces competitions community and the problems we face. In this competition, participants are required to build a system that can identify the author of a given source code. This can help in identifying whether a submitted code in some contest does actually belog to the user who submitted it or not, thus minimizing cheating in Codeforces. =D The dataset is composed of source codes collected from ...

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The first day in the Celestial Empire <div style="float: left;margin: 1.0em;font-size: 11.0px;text-align: center;"> <img alt="Перед рейсом" src="http://assets.codeforces.com/day3/01-po-doroge.JPG" title="Перед рейсом"></div> The flight went well, without any problems. I always regret that I can't sleep on the plane, and I envy my fellow passengers the ability to sleep their fill during the flight. I managed to fall asleep at the beginning of the first flight only, don't remember how we took off, but didn't miss the meal. After that I didn't sleep at all. The guys seemed to have rested a bit, though, of course, the rest was far from normal. I tried to derive the meaning of some hieroglyphs by comparing the city names in English and in Chinese, but even this didn't help me fall asleep. <p>We flew 7 hours to Beijing, and 2 more hours from Beijing to Harbin. At Sheremetyevo Airport we met several other Russian teams. The teams from Samara, Izhevsk, and, it seems, Ural were on the same plane. And...

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TCO11 as seen by a blogger, p.1 <p>TCO11 - is the second (and hopefully not the last) finals I've visited as a blogger. I hope that not everybody here followed <a href="http://community.topcoder.com/tco11/blog/">the official blog</a>, and thus my story of this trip will be read as an original art work :-) <br /><br /> </p><h3>Day -1. Arrival</h3> <br /> I arrived one day earlier than most of the finalists, on Friday evening local time. How does one do this? Long story short, you just don't rely on Barbara's choice, and (when filling travel info) write something like &quot;I like this flight, and I'm in SWISS mileage program, and I absolutely love Z&uuml;rich&quot;. Disclaimer: if everybody uses this hack, it might stop working, so beware. <br /><br />[cut] The flight to Florida was short (well, short compared to the flight to Las Vegas) and nice (a lot of movies to see and ice-cream). But most of my joy dissolved into nothing in Miami airport, when I didn't find the promised taxi. In the end my drive to the hotel ...

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codeforces Codeforces | In English По-русски pathetique | Logout HOMETOPCATALOGCONTESTSGYMPROBLEMSETGROUPSRATINGEDUAPICALENDARHELP → Pay attention Before contest Educational Codeforces Round 162 (Rated for Div. 2) 2 days Register now » → pathetique pathetique User''s contest rating in Codeforces communityRating: 1448 User''s contribution into Codeforces communityContribution: -61 Settings Blog Favourites Teams Submissions Problemsetting Groups Talks Contests → Top rated # User Rating 1 jiangly 3678 2 Benq 3602 3 ecnerwala 3542 4 maroonrk 3541 5 cnnfls_csy 3540 6 orzdevinwang 3493 7 inaFSTream 3478 8 Um_nik 3430 9 Geothermal 3409 9 Rebelz 3409 Countries | Cities | Organizations View all → → Top contributors # User Contrib. 1 maomao90 174 2 adamant 164 3 TheScrasse 161 3 SecondThread 161 3 awoo 161 6 nor 159 7 maroonrk 158 8 Um_nik 156 9 BledDest 145 9 Geothermal 145 View all → → Favourite groups # Name 1 X-Camp 402H 2022 Fall View all → ...

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TCO 2011, days 2 and 3 <p>TopCoder Open 2011 keeps going.<br /><br />Yesterday we were supposed to hold a poker tournament with a grand prize MacBook Air. There were a lot of people willing to participate, which forced us to split the tournament into two elimination rounds and one final. Out of 16 people who registered for the tournament, 8 were russian-speaking, and all of them appeared to be in the same elimination round. Petr and MikhaelOK advanced from that round, while 7ania7 and theycallhimtom advanced from another one, which was non-russian-speaking. Unfortunately I don't have any pictures of the elimination rounds, however, we played more poker that day, in the same place, so this picture gives you pretty good understanding of how it looked like (during the elimination round it was a little bit more crowded though):<br /> <span> <img alt="" border="0" height="449" src="http://content.foto.mail.ru/bk/shd/_blogs/i-626.jpg" width="600" /> </span> <br /><br />Last time I didn't publi...

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Congratulations on the 8th of March Congratulations on the 8th of March to all women here! In case anyone hasn't seen it yet: 10th of March, 16:00 UTC: [https://www.hackerrank.com/womens-codesprint-3](https://www.hackerrank.com/womens-codesprint-3) The contest lasts for two days, prizes worth $11,000. [Previous women's contest at Hackerrank](https://www.hackerrank.com/contests/womens-codesprint-2/challenges) lasted for a day, contestants' level was rather high: all the tasks were solved by more than 100 persons, though it wasn't that easy. 11th of March, 17:00 UTC: https://sites.google.com/site/codejamtoioforwomen/ Lasts for two and a half hours, top-150 are invited to attend Google I/O conference. [Last year](https://code.google.com/codejam/contest/8274486/dashboard)'s tasks were easier than those at regular GCJ qualification round. I guess the contest was poorly announced, so it lacked participants, all the tasks were solved by 14 persons, and to reach top-150 it was enough to get 45 po...

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Problem in sorting vector of struct ,Problem New Year and Conference Hello 2020 Hello CF community,While solving problem D New [Year and Conference](https://codeforces.me/contest/1284/problem/D)from contest Hello 2020 ,I got runtime error in test 8 I tried some tests and I figured out that for some cases the problem is with my struct (some variables in my struct are huge random numbers and I cannot sort my vector of this struct while I'm sure that I'm setting every variable) here is link for my [submission](https://codeforces.me/contest/1284/submission/81201440) any help would be appreciated,and thanks

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NSE-ISB Codesprint [HackerRank] Hello CodeForces Community! **I am glad to share that HackerRank's NSE-ISB Codesprint is scheduled on [25th March 2017 at 13:30 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?msg=NSE-ISB+Codesprint&iso=20170325T1330&p1=%3A)** Go ahead and register now &mdash; [National Stock Exchange of India -Indian School of Business Codesprint] (https://www.hackerrank.com/nse-isb-codesprint) There are some cool prizes on offer: - The winner will get an ASUS ROG laptop - Second place gets a 1TB PS4 Pro - Third place gets a Canon EOS 1200D DSLR Camera Plus, places 4-10 will get a Raspberry Pi (Kit) and Top 25 winners will also receive cool T-shirts and goodies. Top 5 Participants will also get to attend the prestigious [Summer research conference] (http://www.isb.edu/summer-research-conference-2016) hosted by ISB on July 28-29 2017. **Please note that the prizes are only for participants from India** The duration of the contest is 5 days. Signup now and Spread...

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Who today would look FOOTBALL ???? Admin tighten up on the main evening pliz !!!! HELLO KODFORSOVTSY ------------------ ** Today is a very historic moment Machala already two of the Europa League, "Krasnodar" at 20:00 MSK will HJK and "Ruby" at 21:00 MSK will play in Skopje with Macedonian club "Rabotnicki". ** ================== Here are the details: "Krasnodar" and "Ruby" will start in the play-off round of the Europa League 03: 4620.08.2015 (updated: 08/20/2015 3:49) 1164 On Thursday in the first round match of the playoffs, "Krasnodar" at 20:00 MSK will HJK and "Ruby" at 21:00 MSK will play in Skopje with Macedonian club "Rabotnicki". Match Krasnodar & mdash; Rubin, archive photo © RIA Novosti. Vitaly Timko | Buy graphic KRASNODAR, August 20 &mdash; R-Sport, Ildar Satdinov. Footballers "Krasnodar" and Kazan "Ruby" in the struggle for an exit in the group stage of the Europa League will meet with Finnish HIKom and Macedonian club "Rabotnicki" respectively. On Thursday in the first round matc...

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IJCAI 2020 Mahjong AI Competition IJCAI 2020 Mahjong AI Competition is now open. We are calling for participants from across the world who are interested in game AI design. The winners will be provided with prizes of 20,000 USD in total and will have oppotunities to present their works in IJCAI 2020, which is a top international academic conference on AI. Competition link: https://www.botzone.org.cn/static/gamecontest2020a.html (●—●)

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Buccaneers security can not quit Team QB Attracted Brees past due throughout 16-14 loss TAMPA, Fla. – The actual Tampa Bay Buccaneers performed solid defense in opposition to Came Brees till a overdue push from the New Orleans qb create a game-winning industry goal for the Team. Garrett Hartley quit the 27-yard discipline target because occasion terminated to own Saints a new weather-delayed 16-14 success and their fourth successive conquer their own National football conference Southerly rivals upon Sunday. Brees had been sacked 4x, bumped around quite a lot increasingly chucked the interception that's returned for a landing. Brees shrugged from the error that will provided Tampa bay Bay charge at the start of your fourth quarter to finish 3 directly goes by regarding Fifty four meters to steer they (2-0) in place for you to get. "You've got to help make a lot more has compared to what they create," Polk These types of linebacker Builder Promote stated. "You've got a chance to suggestion your current loath in order to Attracted Brees with his fantas...

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ICFPC 2011 <p><a href="http://www.icfpcontest.org/">http://www.icfpcontest.org/</a></p><p>ICFP -- ежегодный контест, который длится 3 дня с одной творческой задачей. Отчеты команд прошлого года можно посмотреть <a href="http://habrahabr.ru/blogs/conference/97119/">тут</a>.</p><p>А у меня технический вопрос по соревнованию к тем, кто участвовал в прошлом году. Как происходит отправка/проверка решений? На сайте написано что нужно иметь машину с Debian, с какой целью?</p>

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Scholarship for students of the Phystech School of Applied Mathematics and Informatics by Yandex Yandex has established a scholarship for 1-2 year students of Phystech School of Applied Mathematics and Informatics. Students with the highest number of points for the previous semester will receive 15 000 rubles (1823,90 dollars) per month.  10 scholarships were approved for each course. Points are awarded for learning achievement, publications, participation in conferences, competitions and hackathons. Moscow Workshops ICPC are held at MIPT and activitie in the area of competitive programming is a bonus in determining the scholarship holder. The Phystech School of Applied Mathematics and Informatics has been established to accumulate and develop the competences currently called for in mathematics and computer science, as well as in their applications.

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IOI 2014: первый тур Примерно через 15 минут по плану должен начаться первый тур IOI 2014. [Результаты](http://live.ioi2014.org/Ranking.html) [Результаты от снарка](http://ioi.snarknews.info/index.cgi?data=2014/day1pre&class=ioi2014&year=2014) [Видеотрансляция](http://new.livestream.com/accounts/9099718/events/3149562) [Таблица по странам от Снарка](http://ioi.snarknews.info/index.cgi?data=2014/day1cou&class=ioi2014&year=2014) С началом тура я постараюсь следить за результатами российской (и других русскоговорящих) команд, верхом таблицы, а также немного напишу про задачи. 0:03 Судя по таблице контест начался по расписанию. Чтобы быть в этом уверенным, я дождусь появления первых баллов, после чего выложу условия. 0:04 У них что-то кешируется слишком злобно, так что если у вас все еще "подождите" Ctrl+F5 должно помочь. 0:12 На IOI-Conference подтвердили, что тур начался по расписанию. 0:13 Первые баллы! 42 от ~stevenkplus,2014-07-15 0:17 Первые баллы по rail. 8 от Conor Griff...

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I Cup COMPUMAT Programming (Open) On the occasion of the International Scientific Conference COMPUMAT 2013 [1 ] , organized by the University of Information Sciences ( UCI ) [2 ] and supported by the Cuban Society of Mathematics and Computation ( SCMC ) , will take place the first edition of the Copa COMPUTMAT programming [3 ] . Will be open to all users of the Caribbean Online Judge ( COJ for its acronym in English) , freely available from the Internet and Mo Cuban Network . Anyone interested in participating must have a personal account on that system [4 ] . Main features of the competition : - Style: ACM -ICPC . - Duration : 3 hours ( Friday 29/noviembre , from 12:30 p.m. to 3:30 pm local time in Cuba ) . - Number of exercises: between 5 and 8 ( all described in English and various complexities ) . - Programming languages ​​allowed: Bash , C , C #, C + + , Java , Pascal , Perl , PHP , Python and Ruby. - Time "frozen " last 30 minutes of the competition. The ranking is not updated more , but each co...

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Need help in D. New Year and Conference (1284D) I am trying to solve [problem:1284D] I used a randomized approach involving hashes. I assigned random numbers to each lecture and then calculated for each lecture the xor of numbers assigned to lectures it intersects with. Now I checked that every lecture has **same** hashes in first location (a) and second location (b) Take a look at my submission : [submission:68617652] I am getting WA on test 6. Any advice would be greatly appreciated. Thanks in advance :)

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algorithms shirts idea Hi, In my college the student body makes shirt designs to sell at events in order to raise funds(these are used to help other students participate in conferences and things like that). I'm trying to come up with some ideas for a shirt showcasing algorithms/competitive programming ideas, but having no luck. All help is appreciated, thx for your time.

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Scientific Conference Hello. I solve DP problems. But I can't solve [this](http://acm.timus.ru/problem.aspx?space=1&num=1203&locale=en) problem. Please help me.

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s girlfriend tried to calm s girlfriend tried to calm the storm.The NBA announced today that it will hold a press conference in Beijing on April 30, will be announced on Stirling Racial remarks findings and appropriate punishment, according to Yahoo Sports reported that the United States, or will be millions of Stirling dollars in penalties.Stirling remarks how much of a player's impact on the mentality of the Clippers, Warriors Clippers in yesterday's <a href="http://www.freeasicscheap.co.uk/nike-free-powerlines-2-c-51.html">nike free powerlines 2 buy</a> fourth game, the Clippers defeated the Warriors no resistance, the total score was at 2-2. The two sides will move to the Staples Center tomorrow be the fifth game, Warriors coach Mark Jackson &mdash; said fans should refuse to attend the game to boycott Stirling. Yesterday, Yatai coach before the official announcement and Sainty, Bosnia-Herzegovina coach Dragan coaching contract was signed. The two sides signed the 11 contracts before the season Dragan Shou...

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system of anti-tactical players y , that is a real team play basketball. Ramsay became the Popovich era, he was a pioneer in the creation of a new system of anti-tactical players, players who love to share the ball passing, hard running, attacking style of cheerful smooth. Any player, no matter how you usually physical condition, as long as you are willing to run the ball and active, you can find space to play in Ramsey's tactics. Blazers 1976-77 season, averaging 111.7 points ranked under the H-third in the league, the team six players scoring in double figures."That team everyone has decent passing skills," Speaking of the Blazers 1976-77 season, said Ramsey, "<a href="http://www.maxsalesupras.com/nike-air-max-95-dyn-fw-c-26.html">nike air max 95 dyn fw</a> Everyone knows that if you ran out of space, it will pass to teammate you when a team everyone played so selfless, will form a powerful force. "Ramsay's system emphasizes the transfer of moving the ball and players, focusing on integrity while not rigid, allow...

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United States has become weak United States has become weak, saying the United States under Obama's leadership has become "passive."Reported that Obama told Japanese Prime Minister Shinzo Abe reiterated during visit to Japan, US-Japan Security Treaty applies to the Diaoyu Islands. Asked by a reporter So, does this mean that the United States would draw the Diaoyu Islands issue on China a new "red line." Obama on the spot angry, responded by saying:. "I think this question implicit message is that once the country in violation of these rules, the United States<a href="http://www.shoejordan.fr/air-jordan-4-c-4.html">air jordan 4 pas cher</a> should wage war, or preparing to go to war, otherwise, we seem to not strictly adhere to these rules, but it is not so. "Obama noted that Ukraine crisis facing the same problem, and no one really want American troops, but it was suggested to Ukraine to provide weapons. For such a proposal, Obama asked: "Do people really think that, as long as we provide a number of weapons in ...

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ademark Advertising Bureau official ademark Advertising Bureau official said, the application registered trademark sound must have "significant, original" two characteristics. Daily life of the engine roar, the sound of birds, horns, and some wacky or adverse feelings easily to people's voice is difficult registered as trademarks.New "Trademark Law" stipulates that if a business is not the first to use a registered trademark, and later other companies to register the trademark, the first use of the trademark business can continue to use the trademark in<a href="http://www.airmaxssalomon.es/salomon-speedcross-3-cs-c-75.html">comprar salomon speedcross 3 cs</a> the original range. The official said, in order to reap the high transfer fee, had a lot of people registered trademarks, later they will be very difficult to gain any profits, registered trademarks phenomenon will be greatly reduced.Imported milk powder from new regulations May 1 implementation of the New Zealand brand, or nearly 70 EliminatedSurging domestic mi...

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incidence is expected to continue incidence is expected to continue.Know whatEarly detection and early treatment of foot and mouth disease is preventable and curableFoot and mouth disease is generally mild, while the majority of patients the disease, often the first symptoms of fever, palms, soles and herpes rash (rash, redness around the can), oral herpes or ulcers, pain; some patients may be accompanied by cough, runny nose, loss of appetite, nausea, vomiting and headache and <a href="http://www.airmaxssalomon.es/nike-air-max-95-bb-c-35.html">nike air max 95 bb hombre</a> other symptoms; few patients sicker, may be complicated by encephalitis, meningitis, myocarditis, pneumonia, if not treated can be life threatening. Currently there is no vaccine, but as long as early detection, early treatment, is preventable and treatable.Hand, foot and mouth disease transmission and more, mainly through close contact with the patient's stool, herpes fluid and respiratory secretions (such as droplets from sneezing, etc.) and by ...

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he just needs more victories Balotelli He is a good player, he just needs more victories, he is very talented, he can become a champion player, with his teammates so that I feel very happy, because he was able to decide a game at any time. might sometimes grumpy him some, but if he is able to focus the mind on what he was doing, he can do very well. "Of course, the media are most concerned about was his and the team's future problems, Kaka said, "Roma and Juventus played very well this season, we need a proper plan to help the team on the right in the league trac<a href="http://www.shoejordan.fr/air-jordan-1-c-1.html">air jordan 1 retro</a> k and into the Champions League in 2016, my personal performance was good, but that was not enough, I hope to continue to improve next season, I want to leave it. This is my personal and family decisions, the biggest desire or remain at AC Milan. "focus since Balotelli publish their romance, their relationship has been the focus of the media. Pakistan God there is no sign of...

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ushered Battle of King against Memphis Thunder ushered Battle of King Mountain. Prior to war four times dragged into extra time both teams, the game turned out to be a plus and dedication during the war, while also adding four consecutive games to become the NBA unprecedented record. Towards the end of overtime, Durant 2 penalty 1. Although the Thunder defense<a href="http://www.airfreeshoes.es/nike-roshe-run-c-56.html">nike roshe run baratas</a> under the Grizzlies after the attack, but one-third of the final 2.6 seconds when Durant's shot bounced off the rim out. Although Ibaka grabbed the offensive rebound and up into, but the shot had rung the final whistle. Grizzlies finally on the road to 100 over 99 to win the Battle of King Mountain, with a total score of 3:2 back home.Postgame news conference, unfortunately defeated the Thunder coach Brooks or two whether Durant and Westbrook few seemed very depressed. Durant critical moment in a penalty of two to become the first focus. Durant then throws the fi...

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Third Navy Officer Arrested In Bribery Scheme Third Navy Officer Arrested In Bribery Scheme <a href="http://e-qoo2.net">louis vuitton outlet </a> SAN DIEGO -- SAN DIEGO (AP) — Federal authorities arrested a third senior U.S. Navy official Wednesday in connection with a massive bribery scheme in Asia involving prostitutes and luxury travel.<br /> U.S. Navy Cmdr. Jose Luis Sanchez was arrested in Tampa, Fla. His lawyer could not be immediately reached for comment.<br /> In a criminal complaint, Sanchez is accused of accepting prostitutes, $100,000 cash and other bribes from Leonard Glenn Francis, the CEO of Singapore-based Glenn Defense Marine Asia Ltd., or GDMA.<br /> <a href="http://e-qoo2.net">louis vuitton sale </a> Prosecutors say in exchange, Sanchez passed on classified U.S. Navy information to the Malaysian contractor, whose company has serviced Navy ships in the Pacific for 25 years and is accused of overbilling the Pentagon by millions.<br /> Wednesday's arrest marks the latest development in the ...

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