Codeforces x Dytechlab 2022 Round Announcement [Div.1 + Div.2]

Revision en5, by low_, 2022-09-19 07:27:51

Hello Codeforces. Hoping you're having a wonderful day! ^_^

About Dytechlab & Job Opportunities

We are Dynamic Technology Lab, Pte Ltd. (DTL), a quantitative hedge fund engaging in global securities trading with multiple asset classes. Since our founding in 2009, from humble beginnings in a home garage, we are now a sizable well-established financial institution with offices in Singapore, Shanghai, Beijing, and Hanoi. Our success is fueled by some of the most inquisitive minds who are relentless in their pursuit of innovation.

As a tech-focused Licensed Fund Management Company under the Monetary Authority of Singapore, DTL is dedicated to producing strong consistent returns for its investors by relying on mathematical and statistical models to drive its investment process.

What is quantitative trading:

It’s a work that needs to blend mathematics, finance, and computer skills effectively. This blend produces a scientific and systematic approach to investing. Quants use computer algorithms and mathematical models to generate investment strategies to trade in various financial markets.

Working with an expert team:

We have a strong team in this industry who are very talented individuals, who graduated from prestigious universities around the globe, and are winners of International Olympiads and various programming competitions like ACM ICPC. They are the industry’s technical experts and you will be able to learn a lot from them, especially if you are new to the industry!

We hire the best of the best talents to build world-class infrastructure and trading algorithms to excel in the extremely competitive investment industry.

We're looking for team members that are: - Strong in algorithms, data structures, and/or operating systems-related topics - Quick learners and fast adapting to new technologies

Having relevant past experiences in work/internship/project is a plus!

Learn more about us here!

If you are interested in employment opportunities in Eastern Europe, Dubai, or South East Asia, please fill out the contact form below:


Today, we are inviting you to the first ever DYTECHLAB Cup (joined Div.1 and Div.2) —, which will start on October 7, 17:35 MSK. The problems were prepared by members of our company that share a passion for Competitive Programming. It is an open and rated round for both divisions.

The round will have 7 problems and will be 150 minutes long. We wish everyone good luck and have a positive delta!


1st place: US$200 cash prize 2nd place: US$100 cash prize 3rd place: US$50 cash prize

Also, we understand that contestants like dope merchandise, so we are giving away lots of them!

  • Top 20 will get a merchandise package which will include: a t-shirt with your Codeforces handle on it, a notebook, 2 pens, and a sports bag.

  • 30 merchandise packages, each including a t-shirt & 2 pens will be randomly distributed to 30 contestants ranking 21-200.

  • 100 merchandise packages, each including a sports bag & 2 pens will be randomly distributed to 100 contestants ranking 201-1500.

All packages will include stickers in it, so you can stick to your laptop and show your friends how hardworking you've been :p

Our appreciation goes to:

  • MikeMirzayanov for the Codeforces and the Polygon platform.
  • DmitryGrigorev for coordination of the round.
  • magnified for one of the problems and your enthusiastic support in the preparation of the round.
  • n0sk1ll for one problem that fills in the gap to finalize the contest.
  • Every Dynamic Technology Lab member who helped in coordination, was spot-on while we were working together in the office and helped me come up with ideas for problems.
  • The list of testers:

Wish you the best and a very positive delta in this round!


  Rev. Lang. By When Δ Comment
en35 English magnified 2022-10-09 11:51:09 0 (published)
en34 English magnified 2022-10-09 11:50:37 1572 Tiny change: '-----|\n| **A** | [' -> '-----|\n| [problem:1137A] | [' (saved to drafts)
en33 English low_ 2022-10-07 22:13:36 113
en32 English low_ 2022-10-07 22:04:15 443
en31 English low_ 2022-10-07 17:21:53 1598
en30 English low_ 2022-10-07 05:47:21 91
en29 English low_ 2022-10-05 18:45:41 120 Score Distribution is up
en28 English low_ 2022-10-05 14:47:48 326
en27 English low_ 2022-10-04 14:17:46 250 Tiny change: '844a.jpg" align="left" style="h' -> '844a.jpg" style="h'
en26 English low_ 2022-10-03 06:58:20 78 Tiny change: '022-09-28].\n\n**Wi' -> '022-09-28], [user:dorijanlendvaj].\n\n**Wi'
en25 English low_ 2022-09-30 13:48:38 277 Tiny change: '98f.jpeg" align="right" style="h' -> '98f.jpeg" style="h'
en24 English low_ 2022-09-29 12:20:53 4 Tiny change: '-19] and ** updating ** for 2 pr' -> '-19] and *updating* for 2 pr' (published)
en23 English low_ 2022-09-29 12:19:22 35 (saved to drafts)
en22 English low_ 2022-09-28 12:36:25 17
en21 English lperovskaya 2022-09-28 12:21:51 8 Tiny change: '[website](dytechlab.' -> '[website](https://dytechlab.'
en20 English low_ 2022-09-28 12:12:08 802 Tiny change: 'nd!\n\n---\n\n# A' -> 'nd!\n\n------\n\n# A'
en19 English low_ 2022-09-28 12:04:31 0 (published)
en18 English low_ 2022-09-28 12:04:18 1185 Tiny change: 'the world. Learn more' -> 'the world.\n\n##Learn more' (saved to drafts)
en17 English lperovskaya 2022-09-28 11:51:46 0 (published)
en16 English lperovskaya 2022-09-28 11:50:19 39
en15 English low_ 2022-09-28 10:52:15 19 Tiny change: '"text"/>\nHello Code' -> '"text"/>\n\n> Hello Code'
en14 English magnified 2022-09-28 06:44:21 555 Tiny change: 'K] [user: _ngd.nam_] [user: ' -> 'K] [user: \_ngd.nam\_] [user: '
en13 English low_ 2022-09-28 06:05:26 75 Tiny change: 'like dope MERCHANDISE, so we ar' -> 'like dope **MERCHANDISE**, so we ar'
en12 English low_ 2022-09-26 18:48:28 42 Tiny change: 'elow:\n\n<cente' -> 'elow:\n\n<p></p>\n\n<cente'
en11 English low_ 2022-09-26 10:57:24 3754
en10 English low_ 2022-09-26 10:54:31 85 Tiny change: 'nd-color: rgb(100, 65, 165);color: wh' -> 'nd-color: #6c9fcf;color: wh'
en9 English lperovskaya 2022-09-25 13:04:21 81 Tiny change: 'ill start at [contest_' -> 'ill start on [contest_'
en8 English lperovskaya 2022-09-25 13:00:05 286 Tiny change: 'ions like ACM ICPC. The' -> 'ions like ICPC. The'
en7 English low_ 2022-09-19 07:58:38 31
en6 English low_ 2022-09-19 07:29:33 17
en5 English low_ 2022-09-19 07:27:51 106
en4 English low_ 2022-09-19 07:23:41 1462
en3 English low_ 2022-08-03 07:51:47 29
en2 English low_ 2022-08-03 07:50:03 1283
en1 English low_ 2022-07-21 12:46:35 1873 Initial revision (saved to drafts)