JRKSJ Round 9 &「KDOI」Round 7 Announcement

#	User	Rating
1	tourist	3985
2	jiangly	3814
3	jqdai0815	3682
4	Benq	3529
5	orzdevinwang	3526
6	ksun48	3517
7	Radewoosh	3410
8	hos.lyric	3399
9	ecnerwala	3392
9	Um_nik	3392

#	User	Contrib.
1	cry	169
2	maomao90	162
2	Um_nik	162
4	atcoder_official	160
5	djm03178	158
5	-is-this-fft-	158
7	adamant	155
8	Dominater069	154
9	awoo	152
10	luogu_official	151

We will hold JRKSJ Round 9 &「KDOI」Round 7 on Luogu. This is a high-quality unofficial contest on Luogu.

Contest URL:
Div. 1: https://www.luogu.com.cn/contest/167920
Div. 2: https://www.luogu.com.cn/contest/187338
Start time: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20240815T1400&p1=237
Duration: 270 minutes
System: IOI
Difficulty: Similar to the last 4 problems of Codeforces Div. 1/2 (respectively)
Writer: wyrqwq, sail_with_pleasure, Otomachi_Una, dqstz, sszcdjr
Tester: cyffff and above.
Special thanks to orzdevinwang for developing some of the problems.
Rated range: Div. 2 is rated for those whose Luogu rating less than 2200. Div. 1 is rated for all.
Score Distribution: 100-100-100-100-100-100.

We are looking forward to your participation! If you cannot understand Chinese, ChatGPT may be helpful. We are working on establishing an English platform, but it takes time. We plan to complete this task by the end of 2024 or early 2025.