QOJ.ac

QOJ

Announcements
现在用户主页会显示 List of Authored Problems by Qingyu 2024-09-13 17:06:25
IOI 2024 如何呼唤你的名字 by Qingyu 2024-08-24 20:53:40
QOJ 常见问题(2024 updated, Q&A) by Qingyu 2023-03-23 22:14:28
QOJ 更新日志(2024 Aug) by Qingyu 2023-01-06 20:27:29
 
 
 
All the Announcements……

Top solved

#UsernameMottoSolved
1hos_lyric$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$1316
2xiaowuc1you're a half a world away, but in my mind I whisper every single word you say1307
3ucup-team1005沉舟侧畔千帆过1044
4larryzhong983
5PetroTarnavskyiWhy haven't you registered at https://algotester.com/en yet? 🤨806
6maspyUniversal Cup Upsol部804
7zhouhuanyi719
8qiuzx718
9Crysfly我还能为你驻足到何时712
10PhantomThreshold669

Top contributors

#UsernameMottoAuthored Problems
1clrs9782
2quailty76
3TsReaper69
4bulijiojiodibuliduo55
5ftiasch46
6zimpha42
7Elegia$\mathbf{PER} \in \mathbf{DTIME}_{\mathsf{RAM}}[2^{n - \Omega(\sqrt n)}]$37
7Qingyu一如此刻,十指紧握37
9tangjz36
10AHdoc30