Educational Codeforces Round 7

Правка en2, от Edvard, 2016-02-10 19:58:31

Hello, Codeforces!

Educational Codeforces Round 7 will take place on 10 February 2016 at 18:00 MSK for the first and second divisions. You can read about educational rounds here and here.

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The round will be unrated for all users and it will be held with extented ACM ICPC rules. You will have two hours to solve six problems. After that you will have one day to hack any solution you want. You will have access to copy any solution and test it locally.

If you have ideas for some problems or maybe already prepared problems that you can't use in rounds or official competitions, you can write to me.

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Thanks a lot to Aleksa Plavsic allllekssssa who suggested the problems D, E and Ivan Popovich NVAL for the problem F. Also thanks to Mohammad Nematollahi Deemo who suggested the problem that was highly simplified and will be under the letter C.

The round was prepared by me, Edvard Davtyan. Thanks a lot to MikeMirzayanov we invented the problems A, B and C together. Also thanks to Maria Belova Delinur for checking the English statements, Aleksa Plavsic allllekssssa and Ivan Popovich for testing the problems.

We tried to make the problems easy but interesting. I think that the problems is mathematized a little. I hope you will enjoy the problems!

Good luck and have fun!

P.S.: The Codeforces Educational Rounds was recognized by Snarknews as the best project in competitive programming in 2015 (the picture below is the prize).

UPD1: The first phase of the contest is ended. You can hack any other solution.

Теги education round 7, annoucement

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  Rev. Язык Кто Когда Δ Комментарий
en4 Английский Edvard 2016-02-11 23:54:54 50
ru4 Русский Edvard 2016-02-11 23:54:20 51
en3 Английский Edvard 2016-02-11 02:08:20 75
ru3 Русский Edvard 2016-02-11 00:39:48 71
en2 Английский Edvard 2016-02-10 19:58:31 83
ru2 Русский Edvard 2016-02-10 19:57:49 90
en1 Английский Edvard 2016-02-08 19:43:57 2046 Initial revision for English translation
ru1 Русский Edvard 2016-02-08 19:21:45 2519 Первая редакция (опубликовано)