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QOJ

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MIT new by Qingyu 2025-03-16 00:17:38
The 2nd Universal Cup Finals Analysis(草稿) by Qingyu 2025-03-03 16:39:06
The 2nd Universal Cup Finals - Schedule by Qingyu 2025-02-15 15:00:40
The 2nd Universal Cup Finals - Competition Rules by Qingyu 2025-02-13 16:28:50
IOI 2025 China Team Selection Statistics & Prediction by Qingyu by Qingyu 2024-12-04 15:22:03
QOJ Change logs (2025 Feb) by Qingyu 2023-01-06 20:27:29
Judging environment of QOJ (2025 updated) by Qingyu 2021-03-23 20:32:30
所有公告……

Top solved

#用戶名格言通過數
1xiaowuc1you're a half a world away, but in my mind I whisper every single word you say1563
2hos_lyric$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$1562
3ucup-team1005If Natsuhi Kage (Qiyu Feng, Jianing Liu, Zemu Zhu) haven't solved a problem today, please DM ucup-team4744 with "夏日影加训!!!" Current Solved: 686; Last Solved at 2025-03-18 10:33:33.1130
4qiuzx1034
5maspyUniversal Cup Upsol部992
6larryzhong983
7CrysflyUOJ.ac 缺投 || www.cnblogs.com/Rainbowsjy832
8ucup-team004823
9PetroTarnavskyiWhy haven't you registered at https://algotester.com/en yet? 🤨806
10ucup-team087766

Top contributors

#用戶名格言Authored Problems
1quailty106
2clrs9784
3bulijiojiodibuliduo79
4TsReaper74
5ftiasch46
6zimpha42
7Elegia$R(T_1\oplus T_2) < R(T_1) + R(T_2)$39
7Qingyu拜拜我最亲爱的朋友39
7tangjz39
10AHdoc30