We will hold Luogu Round 234 on Luogu. This is a Div.3 round. English statement will be provided officially. You can click the button to change language.

This competition is modeled after China's CSP-J, which saw over 40,000 junior high and elementary school participants last year.
- Contest URL: https://www.luogu.com.cn/contest/255793
- Start Time: 07.27 14:00(UTC+8)
- Duration: 210 minutes
- System: Non full-feedback. You can get your result only after the contest.
- Difficulty: CF div.3
- Staffs: Coffee_zzz, steven_yummy, Amao_Fox, Sanae, McIron233, SpadeA261, wangmarui, Xuan_HR
- Rated range: <=1600 rating on Luogu
- Score distribution: 100-100-100-100
We are looking forward to your participation!
- A tutorial on using Luogu (Please note that
#pragma GCC optimizeis temporarily banned for some reason on Luogu.) - A brief introduction to Chinese NOI








As a tester, your human questions are so difficult as I'm a silly cute fox girl.
As a tester, I believe the topic of this competition is excellent.
qpzc
Ah I think you should send it in Luogu instead of Codeforces.
In fact there is a blog at luogu's website.
Here it is: LUOGU
来财
来了
I couldn't find a way to solve the problems after the contest.
Is it possible to do so?
Edit: a link to the problems from that contest would be appreciated!
A B C D
支持
qp