Hello, Codeforces!
We are happy to invite you to TheForces Round #26 (Readall-Forces), which will take place on Nov/16/2023 17:35 (Moscow time). As you can see in the subtitle, you are highly encouraged to read all the problems!
You will have 150 minutes to solve 7 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!
You can get more information about Theforces rating and prizes in our discord server.
Writers: wuhudsm, pavlekn, BF_OF_Priety, Ashutosh.Singh
Testers: blxst, Error_Yuan, Yugandhar_Master, k1r1t0, pavlekn, Banis, _Berlin_, BF_OF_Priety, ivls, Rifat02
Coordinators: wuhudsm, physics0523
Also we want to thank You for participating in our round.
UPD:
Congratulations to the winners:
2.neal
And $$$5$$$ lucky participants:
11.IgorI
45.satyam343
58.pgiaminh8368
99.hi124
124.cseshamim47
(Pls DM wuhudsm in CF or Discord for your prize :) )
Interesting problems, do participate.
As a tester I hope that the contest will be very interesting and Insightful for all participants!
As one of the writers, we would be grateful if you could participate and hopefully enjoy the problems.
As a tester, Wishing everyone an enjoyable time solving the thought-provoking problems.Hope that contest will be interesting
Cool =)
wow...! Interesting Contest...!
Great! <3
As a tester, I recommend you to read all the problems!
As one of the writers , I hope that you guys participate and enjoy the contest , after all it is you who we write problems for
sent u the request
Excited for this!
is it different from normal rounds?
TheForces Rounds are unofficial series of educational contests created by community and hold at the Gym, but it has unofficial independent rating system (Theforces rating).
How to register for this? I am not seeing any register option
Click on the name of the contest.
As a writer, I must say that that the problems are interesting and educational. So, do participate.
As a coordinator, this is the first round I mainly coordinated. My final goal is to coordinate official rounds. I'll try my best to improve my coordination skills!
contest starts in less than 10 minutes!!!
where is the contest link?
https://codeforces.com/contestInvitation/9975a3db598ae549fd0f1f0a3107d6d064b1c140
It was inside the contest name above in the blog , you could have clicked on the contest name , besides the contest is on the top inside gym too
For problem C, there will always be an answer if number of strings is greater than 10, right?
yes
here's the editorial
Yes
You need at least $$$\frac{n}{10}$$$ common subsequence length.
A digit will appear $$$\frac{n}{10}$$$ times in two or more strings if number of strings is greater than 10.
Where does editorial gets published?
the link is given in the blog now ,see