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Qualification Rule of The 3rd Universal Cup Finals new by Qingyu 2025-08-02 04:42:45
IOI/WF 2025 Prediction Game by Qingyu 2025-07-25 14:11:22
若还想与我相见 by Qingyu + ucup-team001 2025-05-12 16:11:05
QOJ Change logs (2025 Jun) by Qingyu 2023-01-06 20:27:29
Judging environment of QOJ (2025 updated) by Qingyu 2021-03-23 20:32:30
 
 
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Top solved

#用戶名格言通過數
1hos_lyric$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$1865
2xiaowuc1you're a half a world away, but in my mind I whisper every single word you say1767
3ucup-team47441256
4qiuzx1236
5ucup-team10051129
6ucup-team0041081
7maspyUniversal Cup Upsol部994
8larryzhong980
9CrysflyUOJ Round ~~缺投~~ 已倒闭 || www.cnblogs.com/Rainbowsjy921
10ucup-team087870

Top contributors

#用戶名格言Authored Problems
1bulijiojiodibuliduo127
2TsReaper120
3quailty108
4ElegiaI've been a fool to myself - I thought that I could live for no one else103
5clrs97101
6zimpha69
7xiaowuc1you're a half a world away, but in my mind I whisper every single word you say60
8jiry_258
9ftiasch57
10300iq54