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QOJ

公告
IOI 2026 China Team Selection: Current Scoreboard, Tasks & Prediction Game new by Qingyu 2025-12-04 18:50:36
The 3rd Universal Cup Finals: Call for tasks by Qingyu 2025-11-21 03:33:29
若还想与我相见 by Qingyu + ucup-team001 2025-05-12 16:11:05
QOJ Change logs (2025 Nov) 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

#用户名格言通过数
1hos_lyric$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$2151
2xiaowuc1you're a half a world away, but in my mind I whisper every single word you say1794
3qiuzx1771
4ucup-team47441512
5bachbeo20071168
6ucup-team10051129
7angletrisection1039
8CrysflyUOJ Round ~~缺投~~ 已倒闭 || www.cnblogs.com/Rainbowsjy1028
9maspyUniversal Cup Upsol部990
10ucup-team087988

Top contributors

#用户名格言Authored Problems
1bulijiojiodibuliduo132
2quailty128
3TsReaper126
4clrs97105
5ElegiaI've been a fool to myself - I thought that I could live for no one else103
6nzhtl147782
7xiaowuc1you're a half a world away, but in my mind I whisper every single word you say77
8zimpha69
9QingyuAnd now I beg to see you dance just one more time 62
10jiry_258