QOJ.ac

QOJ

Announcements
一段故事的结束 by Qingyu 2024-06-03 20:33:16
The 2nd Universal Cup Schedule, Summer Summit, and Finals Team Selection by Qingyu 2024-03-19 11:56:44
QOJ 常见问题(Q&A) by Qingyu 2023-03-23 22:14:28
QOJ 更新日志(2024 May) by Qingyu 2023-01-06 20:27:29
 
 
 
All the Announcements……

Top solved

#UsernameMottoSolved
1hos_lyric$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$1072
2larryzhong983
3ucup-team1005大家好,我是 C++ 高手,今天来点大家想看的东西。$$ \begin{aligned} &\texttt{sort(Ring.begin(), Ring.end());} \\ &\texttt{sort(Chain.begin(), Chain.begin(), [](int x, int y) \{return x > y;\});} \end{aligned}$$749
4PetroTarnavskyiWhy haven't you registered at https://algotester.com/en yet? 🤨689
5zhouhuanyi623
6ckiseki卷不动了609
7Crysfly加训604
8ucup-team2335563
9PhantomThreshold551
10xiaowuc1you're a half a world away, but in my mind I whisper every single word you say532