We will hold Luogu Round 229 on Luogu. This is a Div.2 round sponsored by <taoliweilai.com>. English statement will be provided officially. You can click the button to change language.

- Contest URL: https://www.luogu.com.cn/contest/233396
- Start Time: 06.07 14:00(UTC+8)
- Duration: 240 minutes
- System: IOI
- Difficulty: CF div.2
- Staffs: VinstaG173, Kubic
- Rated range: <=2000 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








Giant problem difficulty gap. I can solve A and B in only few minutes, C took me hours, and I don't have any idea about D (only 17pts is easy) :(
However, I agree this is a good round and problems are interesting. Upvoted! :)
Edit: I got rk5. SO HAPPY!!!
Why so many downvotes? Can anybody explain?