Hello Codeforces!

We (KDOI Team) are glad to invite you to take part in [contest:], which is the 8th CP contest held by us! You can view the previous rounds by us here.

• Number of problems: $$$9$$$ ($$$0$$$ interactive);
• Start time: [contest_time];
• Contest duration: $$$180$$$ minutes;
• Score distribution: $$$750-1250-1750-2250-2500-3000-3500-5000-5500$$$.

The problems were authored and prepared by Error_Yuan, wyrqwq, Otomachi_Una and me sszcdjr.

We would like to thank:

• Vladithur for his wonderful coordination.
• programpiggy for providing a few unused problems.
• gyh20, dXqwq, Kubic, PEIMUDA, Sugar_fan, A_zjzj, 275307894a, abc864197532, LMydd0225, rui_er, N_z__, chenyifanlx, ProjectCF, wsc2008qwq, MatrixGroup, cayaxi09, EasonLiang, Hanghang007, IwannaEATaCUTEcaca-qwq, MrPython, OctoberEstuary, SpadeA261, acwing_gza, chromate00, Codula, mathtsai, tibinyte for testing and giving useful feedbacks.
• You, for participating and getting positive delta.
• Last but not least, MikeMirzayanov for great Polygon and Codeforces platforms.

Good Luck & Have Fun!