Educational Codeforces Round 49 [Rated for Div. 2]

Revision en5, by awoo, 2018-08-19 13:46:38

On Aug/18/2018 17:35 (Moscow time) Educational Codeforces Round 49 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 the participants with rating lower than 2100. It will be held on extented ACM ICPC rules. The penalty for each incorrect submission until the submission with a full solution is 10 minutes. After the end of the contest you will have 12 hours 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 invented and prepared by Vladimir vovuh Petrov, Adilbek adedalic Dalabaev, Ivan BledDest Androsov, Mike MikeMirzayanov Mirzyanov and me.

Good luck to all participants!

Our friends at Harbour.Space also have a message for you:

Hi Codeforces!

Our Hello Barcelona Programming Bootcamp will be kicking off next month from Sept 26 — Oct 4, and we’d love to see you there!

The boot camp will once again feature the all-time greats Mike MikeMirzayanov Mirzayanov, Andrey andrewzta Stankevich, Michael Endagorion Tikhomirov, Gleb GlebsHP Evstropov, Artem VArtem Vasilyev, Ivan ifsmirnov Smirnov and other world renowned Russian coaches to train the participants.

You will be competing and learning side by side with some of the greatest teams in the world, while learning from the best coaches the ICPC has to offer.

Be sure to register before September 1st so everyone has time to get visas if needed, and of course for the Early Bird Discount of 5% or the Loyalty Discount* of 20% off registration for the boot camp!

*The loyalty discount is offered to universities and individual participants that took part in Hello Barcelona Bootcamps and Moscow Workshops ICPC.

Learn more about Barcelona ICPC Bootcamp

You can ask any questions by email:

Congratulations to the winners:

Rank Competitor Problems Solved Penalty
1 Um_nik 7 179
2 isaf27 7 343
3 RNS_KSB 7 357
4 eddy1021 6 157
5 ppc_qjd 6 176

Congratulations to the best hackers:

Rank Competitor Hack Count
1 halyavin 200:-25
2 eR6 87:-58
3 Winniechen 35:-13
4 jhonber 29:-1
5 Kaban-5 19
697 successful hacks and 674 unsuccessful hacks were made in total!

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

Problem Competitor Penalty
A arknave 0:02
B eddy1021 0:06
C bekzhan97 0:12
D teja349 0:12
E step_by_step 0:10
F lee_sin 0:24
G uwi 0:39

UPD: The editorial is posted


  Rev. Lang. By When Δ Comment
en5 English awoo 2018-08-19 13:46:38 2597
ru6 Russian awoo 2018-08-19 13:46:14 2573
en4 English awoo 2018-08-19 11:25:49 75
ru5 Russian awoo 2018-08-19 11:25:07 70
en3 English awoo 2018-08-18 01:07:30 99
ru4 Russian awoo 2018-08-18 01:06:25 91
en2 English awoo 2018-08-17 19:21:01 1613
ru3 Russian awoo 2018-08-17 19:19:54 1607
ru2 Russian awoo 2018-08-17 17:49:25 55
en1 English awoo 2018-08-17 17:48:15 1033 Initial revision for English translation
ru1 Russian awoo 2018-08-17 17:46:12 1177 Первая редакция (опубликовано)