Hello, Codeforces!
We are happy to invite you to TheForces Round #45 (DIV3-Forces2), which will take place on Nov/09/2025 17:35 (Moscow time)
You will have 135 minutes to solve 8 problems.
The round is TheForces rated! After the round you can find your rating changes here.
Prizes: The participant in the $$$i$$$th place will receive $$$2^{3-i}$$$ dollars $$$(1 \leq i \leq 3)$$$ as a prize. In addition, we will randomly select $$$\lfloor \frac{p}{30} \rfloor$$$ lucky participants and give each of them $$$1$$$ dollar as a prize, where $$$p$$$ is the number of participants. Please actively participate :)
For more details about TheForces prize, read the above spoiler and join TheForces!
The problems are authored by wuhudsm, wakanda-forever, sanju77, simplelife,Davy_D._Kaosar, frostcat.
We would like to thank our army of testers: Ming_Xu, Auchenai01, AbdullahIshfaq, Kaleem_Raza_Syed, xksark, Undetermined21, Muhammad-Ahmad, khos, Sultan404, _Robi, am_I_Newbie, md_nihal, ceciver_junior
Also we want to thank You for participating in our round.
In other exciting news:
- We've just launched our official Telegram channel! We invite you to join us there as well, so we can expand our community and conquer Telegram alongside Codeforces and Discord! 💪
Discord Server ($$$2500+$$$ members)
UPD $$$1$$$: Editorial
UPD $$$2$$$: Congrats for the winners!
And a lucky user
As a author I assure you that you will enjoy the problems.
As an author, I can guarantee that the round is amazing since $$$(45)^2 = 2025$$$.
As a toxic commentator I look forward to solve problems by green and grey authors.
As a tester, The contest problems are amazing!
Finally, TheForces conquering Codeforces — can’t wait to lose rating with style!
8 problems, 135 minutes… sounds like DIV2 nightmare in DIV3 disguise :)
I ques. 106177D - Daydream, in testcase 3, how is answer YES