Hello Codeforces!

CQXYM and I are glad to invite you to Codeforces Round 745 (Div. 1) and Codeforces Round 745 (Div. 2), which will be held on Sep/30/2021 13:15 (Moscow time). Note the unusual time of the round.

Each division will have 6 problems and 2 hours to solve them. All problems were written and prepared by CQXYM and me. The round will be rated for both divisions.

We would like to thank:

• Aleks5d for his excellent round coordination and many useful suggestions that greatly help with preparation.
• Monogon, voidmax, alexX512, ijxjdjd, wxhtzdy, makogon2907, 16204, Hemose, Hinai_Paulette, H4ckOm, 4qqqq, FBKdaisuki, kassutta, Mo2men and pkpawan for testing the round and providing useful feedback.
• MikeMirzayanov for great platforms Codeforces and Polygon.
• And you, for participating!

This is our first round, and great efforts have been put into preparing this round. Were you to kindly participate in this round, we would be very grateful and hope you will enjoy it.

Good luck!

UPD: Here are the scoring distributions:

Div. 1: $$$500$$$ — $$$1000$$$ — $$$1750$$$ — $$$2000$$$ — $$$3500$$$ — $$$3500$$$

Div. 2: $$$500$$$ — $$$1000$$$ — $$$1500$$$ — $$$1750$$$ — $$$2500$$$ — $$$2750$$$

And we would also like to thank Um_nik for testing the round.

UPD2: Editorial is out!