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  Grid Compression Contest

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Grid Compression Contest

Algotester together with Huawei announces the Grid Compression Contest! In this challenge, individual participants will face an optimization problem and after two weeks long battle the top performers will be awarded with cool prizes:

 

The final testing is over. Congratulations to the winners!

 

Rank
 
Who
 
Group
 
Provisional Score
 
Final Score
 
Penalty
 
1 Peter Mudrievskij Other School 569  854  184 5  685  127  339 312:24:12
2 Богдан Пастущак Ivan Franko Lviv NU 570  044  290 5  684  837  410 333:43:20
3 Oleg Vallas Kharkiv NU of Radio Electronics 569  791  396 5  683  578  788 324:55:11
4 Danylo🏋️‍♂️ Mocherniuk🏋️‍♂️ Ivan Franko Lviv NU 570  032  494 5  678  537  537 187:00:09
5 Max Kovalchuk Taras Shevchenko Kyiv NU 568  761  729 5  671  340  820 308:57:05
6 Kostiantyn Lutsenko Taras Shevchenko Kyiv NU 565  381  818 5  632  361  131 216:53:31
7 Yevhen Zadorozhnii Professional 563  706  211 5  626  400  248 299:49:17
8 Василь Проців Ivan Franko Lviv NU 563  933  769 5  623  775  965 146:08:25
9 Yulian Yarema 😅🔫 Professional 563  787  729 5  613  773  343 315:26:26
10 Максим Щерба Ivan Franko Lviv NU 561  694  251 5  593  529  079 283:11:17
11 Matvey Aslandukov Kharkiv NU of Radio Electronics 560  470  677 5  583  696  971 334:52:37
12 Viktoriia Kovalova Vasyl Karazin Kharkiv NU 558  468  718 5  560  917  260 188:38:56
13 Yevhen Nasonov Kharkiv NU of Radio Electronics 556  037  177 5  536  623  215 252:54:23
14 Богдан Дума Ivan Franko Lviv NU 555  395  059 5  522  264  292 67:48:30
15 Roman Bilyi Professional 551  554  413 5  499  870  426 326:02:14
16 Illya Koval Other School 551  827  889 5  462  007  463 41:09:24
17 Artur Kravtsov Other School 548  023  471 5  452  874  126 23:38:02
18 Yehor Panchenko NTU Kyiv Polytechnic Institute 545  400  014 5  430  717  943 40:52:54
19 Danya Smelskiy Taras Shevchenko Kyiv NU 545  133  018 5  430  198  144 70:19:14
20 Юрій Калічун Ivan Franko Lviv NU 547  526  661 5  423  403  994 146:09:51
21 Vladyslav Mats NTU Kharkiv Polytechnic Institute 552  661  853 5  422  553  117 118:29:05
22 Andrii Medvid Professional 544  180  182 5  417  386  256 191:30:11
23 Kostiantyn Denysov Other School 544  545  205 5  414  730  820 14:33:15
24 Олексій Білик Taras Shevchenko Kyiv NU 542  894  444 5  412  941  250 289:59:53
25 Roman Gultaichuk NU Lviv Polytechnic 542  767  411 5  401  005  047 335:58:11
26 Vlad Zavodnik Other School 546  338  028 5  366  140  568 40:31:33
27 Тарас Паничок Professional 548  175  750 5  335  006  966 88:22:20
28 Andrew Orap Other School 537  116  116 5  331  226  940 17:19:41
29 Oleh111 Oleh111 Other School 546  739  850 5  328  291  460 303:16:40
30 Dmytro Balaban NU Odesa Polytechnic 520  643  836 5  243  783  452 279:27:56
31 Bogdan Evtushenko Other School 520  589  027 5  237  393  602 114:54:58
32 Alex Ermolaev Other School 522  546  709 5  182  715  379 73:25:29
33 Bohdan Chikh Ivan Franko Lviv NU 518  586  656 5  149  233  236 306:02:41
34 Jasper Verelst Professional 511  408  315 5  084  215  105 324:51:02
35 Петро Тарнавський Ivan Franko Lviv NU 510  931  943 5  070  583  198 14:07:00
36 Boris Varer Vasyl Stus Donetsk NU 505  029  744 4  999  775  800 333:24:30
37 myrozavr zavr Other School 506  257  118 4  987  399  090 97:27:12
38 Illya Krivovyaz Uzhhorod NU 505  682  796 4  982  994  352 136:37:12
39 Родіон Назаров Other School 499  596  095 4  948  795  424 302:59:30
40 Олександр Дрюк Kharkiv NU of Radio Electronics 493  981  004 4  907  393  218 324:59:04
41 Viacheslav Ocheretnyi Taras Shevchenko Kyiv NU 494  235  729 4  880  825  091 72:32:59
42 Denys Smirnov Vasyl Karazin Kharkiv NU 468  272  356 4  659  027  805 305:11:10
43 Heorhii Ambartsumov Other School 467  425  490 4  640  633  450 36:13:21
44 Valery Kameko Other School 474  202  990 4  620  371  152 328:41:27
45 Dima Misko NU Odesa Polytechnic 463  734  836 4  592  925  169 86:07:19
46 Max Tropets Professional 461  808  160 4  579  428  731 117:52:54
47 Артем Фомюк Other School 460  464  733 4  569  932  661 311:46:52
48 Роман Деркач Other School 428  523  892 4  129  409  535 44:47:16
49 Максим Молдован Other School 406  842  171 3  984  008  580 3:59:56
50 Bohdan Zadorozhnyi Other School 194  971  457 1  793  178  917 142:17:33
51 Nikita Sydorenko Taras Shevchenko Kyiv NU 169  625  329 1  677  984  703 141:44:39
52 Teodor Rehusevych NU Lviv Polytechnic 5  058  186 47  171  281 0:25:03
53 Дмитро Гринишин Other School 5  058  186 47  171  281 95:10:21
54 Христина Дюг Ivan Franko Lviv NU 9  602  136 42  272  784 63:32:16
55 Катерина Бахчеджи Other School 0 0 0:00:00

How to compete

  1. If you don't have an account at Algotester, go ahead and create one.
  2. Sign in using your username (or email address) and password.
  3. If you are new to Algotester go through our Help section in order to understand how the system works.
  4. Follow this link to register for the Grid Compression Contest, then select your contestant category (your school or "Professional") and click the "Register" button.
  5. When the contest starts read the problem description.
  6. For a quick start, check sample solutions for available programming languages: C++, Java, C#, Pascal, Python and F#.
  7. When ready submit your source code file or paste it into the embedded editor.
  8. All your attempts will be available on your contest submissions page.
  9. For announcements and Q&A go to the contest clarification page or use the contact form.

Ranking

  1. The provisional competitor standings will be available to the public at the contest standings page.
  2. Read the problem description "Scoring" section for details on your submission evaluation.
  3. At your submissions page click a "Submission ID" link on the right and then go to the "Results" tab to see its details for each of the test cases.
  4. A test case result "Accepted" means that your solution has produced a valid output for this test case and received a corresponding score value, otherwise it failed to produce a valid solution within the given constraints.
  5. Your overall result is the maximum score of all your submissions and your penalty is the time elapsed since the contest start until you have recently improved your score.
  6. All competitors are sorted by the overall score (from larger to smaller) and then by the penalty time (from smaller to larger).
  7. When the contest is over the final testing will be triggered.
  8. The final results will be published within one week after the contest end.

Prizes

  1. When the final results are published the top three eligible competitors can claim their prizes.
  2. In order to receive a prize, a winner has to provide a written report describing algorithms and data structures used in their solution.
  3. A notification email with detailed instructions will be sent to each of the winners.

Terms and Conditions

  1. Your agreement to these terms and conditions
    • 1.1 By registering for the competition, you accept these terms and conditions.
    • 1.2 In these terms and conditions where we refer to the ‘Participant‘, we mean either an individual that has registered to enter the competition on its own behalf.
  2. The Competition
    • 2.1 The competition aims to motivate research of Algorithmic Programming. It is run by Algotester (the "Organiser"), and the competition is sponsored by Huawei (the "Sponsor").
  3. Eligibility
    • 3.1 To be eligible to enter the competition, all Participants must
      • 3.1.1 have an email address through which the Organiser can communicate with the Participant in connection with the competition;
      • 3.1.2 be solely responsible for creating the competition submission.
    • 3.2 Other than the requirements set out in clause 3.1 above, there is no restriction in nationality or residence status of any such Participants.
    • 3.3 The Organiser’s employees, the employees of any company who are or were involved in creating or implementing the competition and their respective immediate family members, are excluded from participating in the competition.
    • 3.4 In entering the competition, Participants confirm that they are eligible to do so and acknowledge that they may be required to provide proof of their eligibility to enter. The Organiser reserves the right to verify the eligibility of all Participants and to disqualify anyone who it determines (at its sole discretion) are not eligible. The Organiser also reserves the right to disqualify Participants if their conduct is contrary to the spirit or intention of the competition or they are in breach of any of these conditions.
    • 3.5 Participation in the competition is free of charge and does not require the purchase of goods or services.
  4. How to enter
    • 4.1 The competition registration opens on 29-th May 2020. The Competition itself commences on June 1-st 2020 and ends at midnight on 14-th June 2020 (the "Deadline"). Any competition submission after the Deadline will be automatically rejected.
    • 4.2 Participants can use any of the competition programming languages they wish. However, any cheating is not permitted and any such entries will be disqualified.
    • 4.3 Participants are permitted to submit a maximum one entry per 10 minutes only to the competition.
    • 4.4 The Organiser and Sponsor accept no responsibility for incomplete, incorrect, lost or delayed entries to the competition regardless of cause, including, for example, any malfunctions or failures in the Evaluation System, any equipment failure, technical malfunction or systems, network, server, computer hardware or  software failure of any kind.
  5. Determination and notification of winners
    • 5.1 The final ranking and the competition winners will be announced until midnight on 21-st June 2020.
  6. The Prizes
    • 6.1 The competition prizes are as listed below:
      • First prize: Huawei P 40 Pro.
      • Second prize: Huawei P 40.
      • Third prize: Huawei Watch GT2 46mm.
    • 6.2 The winners will be responsible for any taxes or charges incurred in claiming their respective prize.
    • 6.3 The Organiser or Sponsor shall not be responsible or accept any liability in respect of the inability of a winner to take up a prize.
    • 6.4 Prizes are subject to availability and the Organiser reserves the right to replace the prize with an alternative prize of equal or higher value if circumstances beyond the Organiser’s control make it necessary to do so.
    • 6.5 The prize is not negotiable. Exchange of a prize or their transfer to other persons is excluded.
  7. Rights of Use
    • 7.1 The Participant acknowledges that the Organiser and Sponsor’s Material is owned by the Organiser and Sponsor and that the Participant is only permitted to use, for the duration of the Competition only, the Organiser and Sponsor’s Material in order to test and submit entries to the competition.
    • 7.2 The Participants agree to keep the Organiser and Sponsor’s Material confidential and shall not disclose them to any other individual or entity.
    • 7.3 The Organiser acknowledges that the code created and used by the Participants submitted as a competition entry (the "Code") is owned by the submitting Participants.
    • 7.4 The Participants warrant that the Code will not infringe any third party rights, including copyright and other intellectual property rights (e. g. patents, trademarks, design rights, know-how etc.) and that the Participants have the right to grant a license to the Organiser and Sponsor in accordance with clause 7.5.
    • 7.5 The Participants hereby grant the Organiser and Sponsor a non-exclusive limited right to access and create copies of the Code, for the purpose of evaluating that the submission to enter the competition is valid and that it otherwise complies with these conditions.
    • 7.6 The Participants hereby agree to give the Sponsor, for a period of 1 year from the date submitted its Code by the Participants on the Evaluation System, the exclusive right of first refusal to exploit the Code, on such terms as the Sponsor and the Participants may agree separately in writing.
    • 7.7 If the Sponsor and the Participants cannot agree terms in connection with the Code within 3 months of the Sponsor first notifying the Participant that it would like to exploit the Code, then the Participants will be entitled to enter into negotiations and conclude an agreement with any third party with a view to such third party acquiring those rights provided that the Participants will not agree terms with any third party that are less favourable to the Participants than those which were proposed by the Sponsor.
  8. Limitation of Liability
    • 8.1 Insofar as is permitted by law, the Organiser and the Sponsor, and its agents or distributors will not in any circumstances be responsible or liable to compensate a winner or accept any liability for any loss, damage, personal injury or death occurring as a result of taking up a prize except where it is caused by the intentional behaviour of the Organiser or Sponsor, and its agents or distributors or that of their employees. A winner‘s statutory rights are not affected.
    • 8.2 Participants acknowledge that the Organiser accepts no responsibility for any communications exchanged between Participants.
  9. Data Protection and publicity
    • 9.1 By entering into this competition, the Participants agree to provide their personal information which will be used and disclosed by the Organiser and its authorized agents for the purposes of competition administration and prize fulfilment.
    • 9.2 Winners agree that the Organiser can use their name and photograph in promotional material in all formats worldwide, to publicise the winners of the competition, without any need or obligation to recompenses the Participants accordingly.
  10. Miscellaneous
    • 10.1 In the event of circumstances outside the reasonable control of the Organiser or otherwise where fraud, abuse, and/or an error (human or technical) affects or could affect the proper operation of this competition or the awarding of prizes, the Organiser reserves the right to cancel or amend these conditions at any stage of this competition, but will endeavor to minimise the effect to Participants in order to avoid undue disappointment.
    • 10.2 If there is any conflict between the terms of these conditions and the Privacy Policy and Terms of Use of the Evaluation System, these conditions will prevail.
    • 10.3 These terms and conditions shall be governed by Ukrainian law and the parties submit to the exclusive jurisdiction of the courts of Ukraine.

 


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