Hi, Codeforces! Happy New Year!
- Thanks to isaf27, budalnik, Shakespear31, TadijaSebez, ijxjdjd, Um_nik, flamestorm, I_Remember_Olya_ashmelev, Monogon, errorgorn, Mr.Robot_28, AlexLuchianov, Kirill22, Prokhor08, romanasa, Dragonado, yaaarseny, magnus.hegdahl, olyazyryanova, DIvanCode, 1000--7, wxhtzdy, voventa, DanShaders, ptd, PurpleCrayon, stevancv for testing the round and giving valuable feedback.
- Thanks to Kapt, MForest for discussing some of the problems before the proposal with me.
There can be an interactive problem in this round. Don't forget to read the guide on interactive problems.
The scoring is $$$500-1000-1500-1750-2250-2750-3000-3500-4500$$$.
Thank you for participation! Congratulations to the winners: