Educational Codeforces Round 35 [Rated for Div. 2]

Revision en9, by awoo, 2017-12-30 18:06:40

Hello Codeforces!

On December 28, 17:05 MSK Educational Codeforces Round 35 will start.

Series of Educational Rounds continue being held as Harbour.Space University initiative! You can read the details about the cooperation between Harbour.Space University and Codeforces in the blog post.

This round will be rated for Div. 2. It will be held on extented ACM ICPC rules. After the end of the contest you will have one day to hack any solution you want. You will have access to copy any solution and test it locally.

You will be given 7 problems and 2 hours to solve them.

The problems were prepared by Ivan BledDest Androsov, Vladimir vovuh Petrov, Alexey Perforator Ripinen and me.

Thanks Mike MikeMirzayanov Mirzayanov for great system Polygon!

Good luck to all participants!

We also have a message from our partners, Harbour.Space University:

Hello everyone!

Registration is open for our upcoming 1st Hello India x Russia Programming Bootcamp, with 20 teams signed up and counting, and we are looking forward to seeing you and your teammates in India this March!

More information

Register here

UPD: There will be 7 problems!

Congratulations to the winners:

Rank Competitor Problems Solved Penalty
1 bmerry 7 212
2 uwi 7 216
3 halyavin 7 287
4 hesihesiwujiuwu 7 314
5 voidmax 7 337

Congratulations to the best hackers:

Rank Competitor Hack Count
1 halyavin 328:-26
2 Shanks 107:-6
3 Aemon 91:-33
4 algmyr 57:-4
5 Yazdan_ra 29:-9

1761 successful hacks and 1237 unsuccessful hacks were made in total!

And finally people who were the first to solve each problem:

Problem Competitor Penalty
A WeHaveInt 0:01
B Benq 0:03
C WZYYN 0:06
D PrashantM 0:08
E perchema 0:15
F pekempey 0:38
G chemthan 0:21

UPD2: Editorial is out

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en9 English awoo 2017-12-30 18:06:40 66
ru8 Russian awoo 2017-12-30 18:05:48 70
en8 English awoo 2017-12-30 11:29:01 2611
ru7 Russian awoo 2017-12-30 11:28:44 2594
ru6 Russian awoo 2017-12-28 16:58:58 533
en7 English awoo 2017-12-28 16:57:57 526
en6 English awoo 2017-12-28 16:57:02 2 Tiny change: 'pants!\n\n**UPD:' -> 'pants!\n\n\n**UPD:'
ru5 Russian awoo 2017-12-28 16:54:21 38 Мелкая правка: 'n\n**UPD: Будет 7 зад' -> 'n\n**UPD: В раунде будет 7 зад'
en5 English awoo 2017-12-28 16:53:37 40 Tiny change: 'will be 7 tasks**' -> 'will be 7 problems!**'
en4 English awoo 2017-12-27 22:25:18 85
ru4 Russian awoo 2017-12-27 22:24:38 92
ru3 Russian awoo 2017-12-27 19:36:30 0 (опубликовано)
ru2 Russian awoo 2017-12-27 19:36:03 28
en3 English awoo 2017-12-27 19:35:49 28 Reverted to en1
en2 English awoo 2017-12-27 19:35:14 28
en1 English awoo 2017-12-27 19:34:40 1049 Initial revision for English translation
ru1 Russian awoo 2017-12-27 19:32:26 1208 Первая редакция (сохранено в черновиках)