We will hold [UOJ CSP Round 2026 (UOJ Easy Round #15)](https://uoj.ac/contest/115) contest! You will be given **4** problems to be solved in **4** hours.↵
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- Contest link: https://uoj.ac/contest/115↵
- Start Time: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20261023T1800&p1=33&ah=4↵
- Writers: [user:Gellyfish,2026-10-23], [user:pp_orange,2026-10-23], [user:cool_milo,2026-10-23], [user:Leftist_G,2026-10-23], [user:Cybher,2026-10-23]↵
- Testers: [user:le0n,2026-10-23], [user:its_mygo,2026-10-23], [user:jiangbowen,2026-10-23], [user:strapple,2026-10-23], [user:tianbincheng,2026-10-23], [user:Kevin114514,2026-10-23], [user:Crysfly,2026-10-23]↵
- Duration: 4 hours↵
- Difficulty: CF Div 2/ARC--↵
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The contest will follow the **OI** rules: **Only sample tests will be judged during the contest.** After the contest ends, all submissions will be rejudged using the full test data, and the final scores will be determined by the final judging results.↵
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We are looking forward to your participation!
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- Contest link: https://uoj.ac/contest/115↵
- Start Time: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20261023T1800&p1=33&ah=4↵
- Writers: [user:Gellyfish,2026-10-23], [user:pp_orange,2026-10-23], [user:cool_milo,2026-10-23], [user:Leftist_G,2026-10-23], [user:Cybher,2026-10-23]↵
- Testers: [user:le0n,2026-10-23], [user:its
- Duration: 4 hours↵
- Difficulty: CF Div 2/ARC--↵
↵
The contest will follow the **OI** rules: **Only sample tests will be judged during the contest.** After the contest ends, all submissions will be rejudged using the full test data, and the final scores will be determined by the final judging results.↵
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We are looking forward to your participation!



