Educational Codeforces Round 28

Revision en4, by BledDest, 2017-09-06 20:53:08

Hello Codeforces!

On September 05, 18:05 MSK Educational Codeforces Round 28 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.

The round will be unrated for all users and 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 6 problems and 2 hours to solve them.

The problems were prepared by Mikhail PikMike Piklyaev, Vladimir 0n25 Petrov and me.

Good luck to all participants!

UPD. Editorial can be found here.

Congratulations to the winners:

Rank Competitor Problems Solved Penalty
1 eddy1021 6 148
2 bmerry 6 168
3 uwi 6 173
4 fzzzq2002 6 183
5 wrinx 6 192

Congratulations to the best hackers:

Rank Competitor Hack Count
1 halyavin 74:-11
2 Dmit_riy 17
3 scaurb 12
4 winter545 12:-3
5 Benq 9

169 successful hacks and 113 unsuccessful hacks were made in total!

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

Problem Competitor Penalty
A eddy1021 0:02
B wrinx 0:06
C Rawnd 0:10
D alei 0:11
E chitanda 0:20
F HIR180 0:06

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en4 English BledDest 2017-09-06 20:53:08 2395 (published)
ru5 Russian BledDest 2017-09-06 20:52:13 313
ru4 Russian BledDest 2017-09-06 20:49:51 2387 (сохранено в черновиках)
en3 English BledDest 2017-09-05 23:23:49 79 (published)
ru3 Russian BledDest 2017-09-05 23:23:25 58 (сохранено в черновиках)
en2 English BledDest 2017-09-04 21:42:17 0 (published)
ru2 Russian BledDest 2017-09-04 21:40:54 37 Мелкая правка: '4] Петров.' -> '4] Петров.\n\nУдачи в раунде! Успешных решений!'
en1 English BledDest 2017-09-04 21:39:23 1003 Initial revision for English translation
ru1 Russian BledDest 2017-09-04 21:38:19 1089 Первая редакция (сохранено в черновиках)