Hello, Codeforces!

Due to Educational round, olympiad will start at 10 april

The mirror will start tomorrow, 11 of april, at 16:35

Registration closed

Final results were published. Diplomas are out

At [contest_time:368205] will be held [contest:368205]. Everyone can participate in the mirror of the contest. If you are a student of 6th — 9th forms, then fill the form to participate officially.

Contest will follow the IOI rules (test groups, partial solutions). You will be given from 5 to 7 tasks for 3 hours. Standings will be shown after ending of the round.

Thanks kefaa for amazing coordination of the round.

Tasks are checked and tested by oleh1421, gepardo, kartel, xyz., Wind_Eagle, opPO, Vlad.cpp, sadfun, Irpacci, quinque, stasevich_darina, High_Faev, Xennon.

Also thanks MikeMirzayanov for Polygon and Codeforces!

Link for registration to mirror:

https://mirror.codeforces.com/contestInvitation/81d217c46f623d0ee1687c42fa5b350d20c99a14

If you are studing in 6th — 9th grade, you can register to official round if you fill the form:

https://forms.gle/9WwuGwzLxJKpbVP19

After approving you will see contest here:

https://mirror.codeforces.com/contests/368205

Also there is a table, where you can see list of confirmed participants:

https://docs.google.com/spreadsheets/d/1u177Wdyng0GtiI440nJbu6EIMoX7slB-7q2uHUU2cQ8/edit?usp=sharing

In the round you will have english statements.

Final results:

https://drive.google.com/drive/folders/1R23TGM0pdSwioaFrcq49UgEonwtJDF3H?usp=sharing

Good luck! I wish you succesfull solves!