We will hold [UOJ NOI Round #10](https://rainbow-sjy.blog.uoj.ac/blog/10002) contest! ↵
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This would be a simulation contest for Chinese NOI, with 2 days of 3-problem contest. Be free to participate if you are preparing for IOI, or other IOI-like contests.↵
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Final ranking will be based on the total score across all three rounds. In the case of a tie, the total penalty time from 2 main contest days will be used as a tiebreaker.↵
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- Day 0 (unrated) link: <https://uoj.ac/contest/109> (Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260710T1900&p1=33&ah=0&am=30>)↵
- Day 1 link: <https://uoj.ac/contest/110> (Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260711T0830&p1=33&ah=5>)↵
- Day 2 link: <https://uoj.ac/contest/111> (Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260712T0830&p1=33&ah=5>)↵
- Duration: 5 hours↵
- Difficulty: Chinese NOI↵
- The point values: 100-100-100-100-100-100-100↵
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The writers& testers will be revealed after each contest.↵
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Testers: [user:qiuzx,2026-07-10], [user:VivaciousAubergine,2026-07-10], [user:Flamire,2026-07-10], [user:Gellyfish,2026-07-10], [user:Rinne_qwq,2026-07-10]↵
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The contest will follow the **Pretest-IOI** rules: During contest, every submission will only be judged on the pretests. All submissions will be rejudged on the final tests after contest. You can submit a problem at most 50 times. All the problems will have subtasks, the final score will be based on the **last** submission.↵
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You **can't** see the scoreboard during the contest.↵
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The contest is rated for everyone, you will be count as rated only if you opened at least one problem.↵
↵
We are looking forward to your participation!
↵
This would be a simulation contest for Chinese NOI, with 2 days of 3-problem contest. Be free to participate if you are preparing for IOI, or other IOI-like contests.↵
↵
Final ranking will be based on the total score across all three rounds. In the case of a tie, the total penalty time from 2 main contest days will be used as a tiebreaker.↵
↵
- Day 0 (unrated) link: <https://uoj.ac/contest/109> (Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260710T1900&p1=33&ah=0&am=30>)↵
- Day 1 link: <https://uoj.ac/contest/110> (Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260711T0830&p1=33&ah=5>)↵
- Day 2 link: <https://uoj.ac/contest/111> (Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260712T0830&p1=33&ah=5>)↵
- Duration: 5 hours↵
- Difficulty: Chinese NOI↵
- The point values: 100-100-100-100-100-100-100↵
↵
The writers
↵
Testers: [user:qiuzx,2026-07-10], [user:VivaciousAubergine,2026-07-10], [user:Flamire,2026-07-10], [user:Gellyfish,2026-07-10], [user:Rinne_qwq,2026-07-10]↵
↵
The contest will follow the **Pretest-IOI** rules: During contest, every submission will only be judged on the pretests. All submissions will be rejudged on the final tests after contest. You can submit a problem at most 50 times. All the problems will have subtasks, the final score will be based on the **last** submission.↵
↵
You **can't** see the scoreboard during the contest.↵
↵
The contest is rated for everyone, you will be count as rated only if you opened at least one problem.↵
↵
We are looking forward to your participation!
