We will hold [UOJ Long Round #4](https://uoj.ac/contest/108) contest! ↵
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The contest will run for **60** hours, You will be given **6** problems.↵
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Overall, the difficulty would be like previous ULR contests.↵
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This contest was prepared by the **JRKSJ Problemsetting Team**, and also serves as a celebration of JRKSJ Round 10. (Postscript: We also invite you to explore [the previous JRKSJ contest problems](https://www.luogu.com.cn/team/32209/contest).)↵
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- Contest link: <https://uoj.ac/contest/108>↵
- Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260705T1000&p1=33>↵
- Writers: [user:crsfafa,2026-07-04], [user:Daniel_lele,2026-07-04], [user:fjy666,2026-07-04]↵
- Testers: [user:le0n,2026-07-04], [user:Crysfly,2026-07-04], [user:Tony2_CF,2026-07-05]↵
- Duration: 60 hours↵
- Difficulty: CF Div.1+↵
- The point values: 100-100-100-100-100-100↵
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The contest will follow the **IOI** rules: Each problem can be submitted up to 128 times, and scores can be viewed in real-time. All the problems will have subtasks, the final score will be based on the highest-scoring submission.↵
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You can see the scoreboard during the contest.↵
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The contest ~~is rated for everyone~~, but the rating change will only be 1/120 of a normal contest. So feel free to join just for fun!↵
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We are looking forward to your participation!↵
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---↵
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UPD. Congratulation to the winners!↵
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1. [user:jiangbowen,2026-07-07]↵
2. [user:strapple,2026-07-07]↵
3. [user:Max_s_xaM,2026-07-07]↵
4. [user:flying,2026-07-07]↵
5. [user:Milmon,2026-07-07]
↵
The contest will run for **60** hours, You will be given **6** problems.↵
↵
Overall, the difficulty would be like previous ULR contests.↵
↵
This contest was prepared by the **JRKSJ Problemsetting Team**, and also serves as a celebration of JRKSJ Round 10. (Postscript: We also invite you to explore [the previous JRKSJ contest problems](https://www.luogu.com.cn/team/32209/contest).)↵
↵
- Contest link: <https://uoj.ac/contest/108>↵
- Start Time: <https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260705T1000&p1=33>↵
- Writers: [user:crsfafa,2026-07-04], [user:Daniel_lele,2026-07-04], [user:fjy666,2026-07-04]↵
- Testers: [user:le0n,2026-07-04], [user:Crysfly,2026-07-04], [user:Tony2_CF,2026-07-05]↵
- Duration: 60 hours↵
- Difficulty: CF Div.1+↵
- The point values: 100-100-100-100-100-100↵
↵
The contest will follow the **IOI** rules: Each problem can be submitted up to 128 times, and scores can be viewed in real-time. All the problems will have subtasks, the final score will be based on the highest-scoring submission.↵
↵
You can see the scoreboard during the contest.↵
↵
The contest ~~is rated for everyone~~, but the rating change will only be 1/120 of a normal contest. So feel free to join just for fun!↵
↵
We are looking forward to your participation!↵
↵
---↵
↵
UPD. Congratulation to the winners!↵
↵
1. [user:jiangbowen,2026-07-07]↵
2. [user:strapple,2026-07-07]↵
3. [user:Max_s_xaM,2026-07-07]↵
4. [user:flying,2026-07-07]↵
5. [user:Milmon,2026-07-07]
