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--- | ||
layout: "default" | ||
language: "en" | ||
title: "JOI Open Contest 2024" | ||
breadcrumb: | ||
- ["/", "Home"] | ||
--- | ||
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This is an IOI-like open competition for students at schools | ||
for secondary education. | ||
The main purpose of this contest is to give an opportunity to | ||
Japanese delegations and candidates of delegations for training | ||
and practice. But the contest itself is open to everybody. | ||
Everybody is welcome to attend JOI Open Contest 2023! | ||
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The duration of the contest is 5 hours. | ||
**You can choose start time from specified range freely.** | ||
After the duration finishes, we will open the judging server | ||
for one week. Interested contestants can improve and resubmit | ||
their solutions by themselves. | ||
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Registration will be open before the contest. | ||
A link to the registration page will appear on this page | ||
before the beginning of the contest. | ||
Contestants can register on the contest site by themselves from | ||
the right before the beginning of the contest until the end of it. | ||
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No prizes will be given to the contestants. | ||
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The ranking will be public during and after the contest. | ||
It includes your username provided via the registration form. | ||
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## Contest Information | ||
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<dl> | ||
<dt>Name</dt> | ||
<dd>JOI Open Contest 2024</dd> | ||
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<dt>Contest System</dt> | ||
<dd> | ||
<a href="https://github.com/cms-dev/cms/">CMS</a> | ||
</dd> | ||
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<dt>Contest duration</dt> | ||
<dd>5 hours</dd> | ||
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<dt>The number of tasks</dt> | ||
<dd>3 tasks</dd> | ||
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<dt>Language</dt> | ||
<dd>English, Japanese</dd> | ||
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<dt>Date and Time</dt> | ||
<dd>Saturday, June 16, 2023 13:00 - Sunday, June 17, 2023 13:00 +0900 (JST)</dd> | ||
<dd>Saturday, June 16, 2023 04:00 - Sunday, June 17, 2023 04:00 (UTC/GMT)</dd> | ||
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<dd>You can choose start time from above freely and the duration is 5 hours.</dd> | ||
<dd>However, if you start competing after 08:00 (JST), competition ends at 13:00 (JST) and the duration is less than 5 hours.</dd> | ||
</dl> | ||
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## Rule | ||
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Rules that are same as | ||
[IOI 2017 Rule](http://ioi2017.org/contest/rules/): | ||
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- There are no release tokens. | ||
- All submissions will receive full feedback. | ||
- Contestants may submit at most once per task per minute. | ||
- Contestants may submit at most 50 times per task. | ||
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Rules that are not same as IOI 2017 Rule: | ||
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- Each submitted source program must be written in C++ (C++20). | ||
Allowed extensions for source codes are: | ||
- C++: .cpp | ||
- You cannot use Pascal nor Java. | ||
- You may need to write I/O code by yourself. | ||
Graders are not necessarily provided for all tasks. | ||
- There are no testing environments. | ||
To test a solution you can simply make a full submission. | ||
- Question form is available on a contest server, | ||
but no replies are guaranteed. | ||
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## Contest Site | ||
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- [Contest Site](https://cms.ioi-jp.org) | ||
- Registration will be open at least 30 minutes before the contest. | ||
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## Ranking | ||
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This will be released after the contest. | ||
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## Statements | ||
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These will be released after the contest. | ||
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## Reviews | ||
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These will be released after the contest. | ||
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## Sample Sources | ||
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These will be released after the contest. | ||
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## Test Data | ||
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These will be released after the contest. | ||
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## Questionnaire | ||
We appreciate your feedback on our contest! | ||
Please answer the questionnaire after the contest. | ||
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- This will be released after the contest. | ||
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## Contact | ||
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joiopen at googlegroups.com | ||
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## License | ||
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<a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/80x15.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">The tasks for JOI Open Contest 2023</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="https://www.ioi-jp.org/" property="cc:attributionName" rel="cc:attributionURL">JCIOI (the Japanese Committee for the IOI)</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>. If you need a license other than a Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0), please ask JCIOI. |