Hello, Codeforces!

I and ooaa are excited to invite you to participate in Codeforces Round 922 (Div. 2), which will take place on Tuesday, January 30, 2024 in 17:35.

This round will be rated for participants, whose rating is below 2100. Participants with higher rating can participate unofficially.

You will be given 7-8 problems and 2 hours to solve them. We recommend you to read all the problems. 1 or more interactive problems may occur in the round, so we suggest to read this post.

We would like to thank:

• Akulyat for the excellent coordination of our round.
• wuhudsm for finding that the previous C has already occured in one of the rounds.
• A_G, bashkort, orz, Andreasyan, green_gold_dog, zwezdinv, EJIC_B_KEDAX, Kihihihi, makrav, sam571128, Undying, htetgm, wuhudsm, kovir_aleksey_korroy, JustNik77, Chaska, Murinh0 and Ileonov for testing and valuable feedback.
• MikeMirzayanov and geranazavr555 for the excellent codeforces and polygon platforms.
• You, for participating in this round.

We wish you good luck and high rating!