2020-06-09 01:20:37 +00:00
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---
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2020-06-15 23:19:07 +00:00
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id: oly
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2020-06-09 01:20:37 +00:00
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title: "Olympiads"
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author: Benjamin Qi
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2020-06-22 14:26:06 +00:00
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description: Once you've reached Platinum, it may be helpful to practice with problems from other (inter)national olympiads.
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2020-06-09 01:20:37 +00:00
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---
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2020-06-08 19:51:58 +00:00
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> Hello, Which online judge should I practice more to do well in **IOI** ?
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2020-06-28 02:11:09 +00:00
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2020-06-08 19:51:58 +00:00
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> the closest OJ for IOI style?
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2020-06-28 02:11:09 +00:00
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## [USACO](http://www.usaco.org/)
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* Older Problems
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* [TJ website](http://tjsct.wikidot.com/usaco/)
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* [Korean website to submit ...](https://www.acmicpc.net/category/106)
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* [USACO Training](http://train.usaco.org/usacogate)
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* not particularly beginner-friendly but still helpful
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* somewhat outdated in the sense that it lacks topics which are now quite common (ex. segment tree)
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* if you're unsure about whether it will be useful, you might as well try it and see where you get stuck :P
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* personally, I did the first five chapters in one summer (though I had to look up some hints ...)
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* [article :o](https://www.usenix.org/legacy/bodinfo/bod/bodmarch10/future.pdf)
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## [oj.uz](https://oj.uz/)
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The [OI Checklist](https://oichecklist.pythonanywhere.com/) is a great way to track your progress. :)
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<resources>
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<resource source="IZhO" title="International Zhautykov Olympiad (Kazakhstan)" url="https://izho.kz/"></resource>
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<resource source="APIO" title="Asia-Pacific Informatics Olympiad" url="http://apio-olympiad.org/"></resource>
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<resource source="COCI" title="Croatian Open Contests in Informatics" url="http://hsin.hr/coci/">not full feedback ...</resource>
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<resource source="JOI" title="Japanese Olympiad in Informatics" url="https://www.ioi-jp.org/"></resource>
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<resource source="LMIO" title="Lithuanian Olympiad in Informatics" url="http://online.lmio.lt/"></resource>
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<resource source="InfO(1) Cup" title="InfO(1) Cup" url="http://info1cup.com/"></resource>
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</resources>
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## [IOI](https://ioinformatics.org/)
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Can submit on more recent problems on oj.uz. Also see the following:
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- [Yandex](https://contest.yandex.com/ioi/)
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- [WCIPEG](https://wcipeg.com/problems/cat%3Dioi%2Cshow%3D50)
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- [DMOJ](https://dmoj.ca/problems/?category=5)
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Misc:
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- [IOI Syllabus](https://people.ksp.sk/~misof/ioi-syllabus/)
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- [kostka - List of 2019 IOI Participants](http://weaselcrow.com/pro/cf/ioi/19/)
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## [CSES](https://cses.fi/)
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<resources>
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<resource source="BOI" title="Baltic Olympiad in Informatics" url="http://www.boi2017.org/">2017 website</resource>
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<resource source="CEOI" title="Central European Olympiad in Informatics" url="http://ceoi.inf.elte.hu/"> </resource>
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</resources>
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## Other
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See the [IOI members page](https://ioinformatics.org/page/members/7) for additional links.
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2020-06-08 19:51:58 +00:00
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* [Poland](https://szkopul.edu.pl/portal/)
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* [Solutions (in Polish)](https://www.oi.edu.pl/l/40/)
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* [Canada](https://cemc.math.uwaterloo.ca/contests/computing.html)
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* [WCIPEG](https://wcipeg.com/problems/cat%3Dccc%2Cshow%3D50)
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* [DMOJ](https://dmoj.ca/problems/?category=24)
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* [Philippines](https://noi.ph/past-problems/)
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2020-06-28 02:11:09 +00:00
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* [Indonesia](https://competition.ia-toki.org/contests)
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* [Australia](https://orac.amt.edu.au/)
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* [Italy](https://training.olinfo.it/#/overview)
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2020-06-16 18:05:15 +00:00
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* [International Informatics Olympiad in Teams](http://ioit.altervista.org/2018-teams-and-contests-.html) (IOIT)
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2020-06-28 02:11:09 +00:00
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* [Balkan Olympiad in Informatics](https://boi2019.epy.gr/) (2019 website)
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