I'm glad to announce that on Sep/19/2017 15:05 UTC Codeforces Round #435 for the second division will take place. As usual, First division participants can take part out of competition.
This round was prepared by me.
I'd like to thank mohammedehab2002 for writing the statements and the editorials and testing the round, Livace,Alladdin,300iq and cdkrot for testing the round, vintage_Vlad_Makeev for helping us in contest preparation, translating the statements into Russian and making one of the problems more interesting, KAN and Ahmad_Elsagheer for giving their opinions and thoughts about the problems and MikeMirzayanov for the great Codeforces and Polygon platforms.
You will be given 6 problems and 2 hours to solve them.
The scoring distribution will be announced later.
**UPD Congratulations to the winners: