Hello, Codeforces!
We are happy to invite you to TheForces Round #21 (EDU-Forces), which will take place on Jul/31/2023 17:35 (Moscow time)
You will have 150 minutes to solve 7 problems.
Some problems may have similar difficulty.We strongly recommend you to read all problems.
The round is TheForces rated:) After the round is over,you can find your rating changes here.
Problems were prepared and authored by Amir_Parsa,wuhudsm,Mkswll,the_hyp0cr1t3.
We would like to thank our army of testers: ScorpioDagger,dmraykhan,blxst, EyadBT,KitasCraft,the_hyp0cr1t3, IanISam,VibhorS,AkibAzmain,Banis,yash_04,JaberSH1.
Also we want to thank you for participating in our round.
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