Huawei Optimization Tournament 2021 | Events

Round 4 is over. The final results are available here. Jury Prize winner is Max Kovalchuk.

The round prizes are:

• Winner: HUAWEI MatePad 11
• Runner-up: HUAWEI P40 lite
• Third place: HUAWEI FreeBuds 4
• Jury Prize: HUAWEI Band 6

For more details, please read Round 4 Terms & Conditions and Contestant Instructions.

The Round 1 final results are listed below. Jury Prize winner is Max Kovalchuk.

Rank	Who	Group	Country	Provisional Score	Final Score	Penalty
1	Peter Mudrievskij	University	Ukraine	258  499  468	2  716  813  757	166:58:38
2	Yevhen Zadorozhnii	Professional	Ukraine	257  479  368	2  709  867  857	167:35:41
3	Oleg Vallas	University	Ukraine	254  387  763	2  675  138  307	167:59:33
4	Max Kovalchuk	University	Ukraine	253  975  161	2  673  805  586	165:14:14
5	Богдан Пастущак	Professional	Ukraine	253  375  519	2  664  543  189	167:59:02
6	Philippe Ribet	Professional	France	250  739  286	2  637  309  670	159:07:12
7	Danya Smelskiy	University	Ukraine	249  113  267	2  622  673  312	158:27:23
8	Danylo Mocherniuk	University	Ukraine	248  705  517	2  616  764  319	58:31:25
9	Volodymyr Lyubinets	Professional	Ukraine	245  676  106	2  604  626  823	151:21:49
10	Олег-Андрій Жук	University	Ukraine	247  051  162	2  599  971  555	138:42:40
11	Роман Деркач	University	Ukraine	240  346  445	2  535  509  252	141:29:39
12	Василь Проців	University	Ukraine	240  218  603	2  529  856  620	142:10:07
13	Yurii Butsa	Professional	Ukraine	224  007  479	2  392  820  551	156:41:24
14	Hoang Ly Minh	Professional	Vietnam	209  187  746	2  201  641  194	11:39:27
15	Kostiantyn Lutsenko	University	Ukraine	201  960  034	2  113  744  179	46:48:32
16	Andrei Arhire	University	Romania	201  896  760	2  113  712  706	91:30:20
17	Ivan Livinsky	Professional	Ukraine	201  755  529	2  113  712  706	141:40:19
18	Andrii Ivaniuk	Professional	Ukraine	201  755  529	2  113  712  706	167:55:06
19	Iulian Oleniuc	University	Romania	201  596  466	2  113  201  901	145:06:39
20	Alexander Golovanov	University	Russia	198  666  757	2  081  492  515	167:58:07
21	Кирило Караваєв	University	Ukraine	195  486  755	2  078  140  626	10:32:08
22	Yarema Stiahar	University	Ukraine	195  486  755	2  078  140  626	23:16:34
23	Yiğit Tekgöz	University	Turkey	195  486  755	2  078  140  626	51:42:13
24	Руслан Слота	School	Ukraine	195  486  755	2  078  140  626	83:47:40
25	Sola Stunfell	School	Vietnam	192  765  831	2  041  119  212	89:44:44
26	Thang Nguyen	Professional	Canada	189  202  002	2  022  202  867	166:53:53

The Round 2 final results are listed below. Jury Prize winners are Aleksey Ulyanov and Sithija Abhishek.

Rank	Who	Group	Country	Provisional Score	Final Score	Penalty
1	Yevhen Zadorozhnii	Professional	Ukraine	484  710  883	4  859  642  109	262:46:23
2	Kostiantyn Lutsenko	University	Ukraine	484  710  883	4  859  641  571	262:24:54
3	Max Kovalchuk	University	Ukraine	484  708  657	4  859  608  881	263:02:28
4	Aleksey Ulyanov	University	Belarus	484  703  113	4  859  495  276	236:21:17
5	Philippe Ribet	Professional	France	484  687  509	4  859  394  046	263:57:43
6	Daria Gnedko	School	Belarus	484  681  840	4  859  355  978	263:15:38
7	Andrei Arhire	University	Romania	484  689  657	4  859  330  468	230:33:42
8	Chirath Nirodha	School	Sri Lanka	484  641  256	4  858  824  243	255:15:52
9	Богдан Пастущак	Professional	Ukraine	484  634  148	4  858  445  671	237:59:25
10	Pavel Bovbel	School	Belarus	484  636  694	4  858  417  212	251:21:57
11	Sithija Abhishek	School	Sri Lanka	484  613  038	4  858  374  012	260:30:02
12	Nika Jimsheleishvili	Professional	Georgia	484  621  657	4  858  222  959	62:50:15
13	Mingyang Deng	School	China	484  540  213	4  857  940  434	204:24:48
14	Blagojce Pavleski	School	North Macedonia	484  550  088	4  857  402  070	258:25:31
15	Олег-Андрій Жук	University	Ukraine	484  358  230	4  857  289  184	263:10:19
16	Мирослав Артюх	School	Ukraine	484  152  523	4  853  944  284	206:18:07
17	Daniil Polihach	Professional	Ukraine	484  210  634	4  853  626  655	263:49:15
18	Kostiantyn Denysov	University	Ukraine	483  835  955	4  850  314  626	87:24:04
19	Роман Деркач	University	Ukraine	483  535  096	4  845  914  703	251:38:49
20	Юрій Салаш	School	Ukraine	482  612  840	4  834  923  983	22:25:54
21	Tingqiang Xu	School	China	482  588  509	4  833  900  488	181:35:19
22	Yufan Xiang	School	China	482  190  420	4  829  460  595	182:52:55
23	Богдан Чайка	School	Ukraine	480  732  212	4  817  285  464	68:01:56
24	Yusi Chen	School	China	481  071  070	4  816  399  402	183:12:10
25	Peter Mudrievskij	Professional	Ukraine	479  496  603	4  798  394  106	263:53:30
26	James Sng	School	Singapore	473  281  160	4  745  655  474	84:37:04
27	Jan Strzeszyński	School	Poland	477  247  884	4  733  845  804	164:07:41
28	Lim Rui Yuan	School	Singapore	468  605  775	4  687  888  725	63:35:25
29	Bohdan Chikh	University	Ukraine	462  308  226	4  620  320  478	62:59:45
30	Rama Aryasuta Pangestu	University	Indonesia	451  076  215	4  503  750  050	60:52:37
31	Melih AKPINAR	University	Turkey	444  372  589	4  420  606  306	93:29:36
32	Iulian Oleniuc	University	Romania	393  399  824	3  945  824  818	83:48:16
33	Руслан Слота	School	Ukraine	393  406  325	3  939  205  260	12:09:21
34	Adithya Narasinghe	University	Sri Lanka	393  406  325	3  939  205  260	22:14:32
35	Sasha Kryklyvets	University	Ukraine	393  406  325	3  939  205  260	40:14:27
36	Luna Frankie	School	Singapore	393  406  325	3  939  205  260	65:37:29
37	Yue Chen Li	School	Singapore	393  406  325	3  939  205  260	77:34:03
38	Tan Si Jie	School	Singapore	393  406  325	3  939  205  260	77:57:43
39	Atakan Yaşar	University	Turkey	393  406  325	3  939  205  260	93:22:55
40	Daniel Agassy	University	Israel	0	0	0:00:00

The Round 3 final results are listed below. Jury Prize winner is Rahim Mammadli.

Rank	Who	Group	Country	Provisional Score	Final Score	Penalty
1	Max Kovalchuk	University	Ukraine	291  554  000	2  881  078  012	203:44:50
2	Peter Mudrievskij	Professional	Ukraine	291  554  000	2  881  077  881	213:29:08
3	Philippe Ribet	Professional	France	291  553  901	2  881  077  687	186:13:24
4	Rahim Mammadli	Professional	Azerbaijan	291  554  000	2  881  076  264	187:31:26
5	Kostiantyn Lutsenko	University	Ukraine	291  554  000	2  881  075  422	161:23:19
6	Yevhen Zadorozhnii	Professional	Ukraine	291  554  000	2  881  072  516	181:44:37
7	Sithija Abhishek	School	Sri Lanka	291  553  901	2  881  069  934	153:19:40
8	Daria Gnedko	School	Belarus	291  554  000	2  881  068  022	214:56:15
9	Роман Деркач	Professional	Ukraine	291  553  360	2  881  045  445	187:19:00
10	Aleksey Ulyanov	University	Belarus	291  548  268	2  881  028  467	135:23:00
11	Chirath Nirodha	School	Sri Lanka	291  548  096	2  881  027  739	56:38:08
12	Pavel Bovbel	University	Russia	291  551  517	2  881  027  300	168:22:40
13	Artem Naumovych	University	Ukraine	291  553  027	2  881  007  014	210:56:20
14	Yevhenii Azarov	University	Ukraine	291  545  188	2  880  992  217	146:21:15
15	Богдан Пастущак	Professional	Ukraine	291  548  706	2  880  978  416	136:10:07
16	Illia Bovrtiuk	University	Ukraine	291  544  287	2  880  943  268	45:29:24
17	Aleksandre Khokhiashvili	University	Georgia	291  530  908	2  880  828  334	143:35:34
18	Богдан Вей	University	Ukraine	291  530  430	2  880  780  186	193:39:56
19	Sebastian-Stefan Jiglau	School	Romania	291  291  464	2  878  517  628	45:41:10
20	Василь Проців	University	Ukraine	291  257  653	2  877  943  891	62:38:45
21	Klim Severin	University	Belarus	291  254  000	2  877  788  212	214:16:17
22	Sola Stunfell	School	Vietnam	291  233  733	2  877  726  100	153:02:11
23	Cyrille Priou	Professional	France	290  853  566	2  877  314  749	189:50:04
24	Мирослав Артюх	School	Ukraine	291  177  507	2  877  093  043	200:49:52
25	Danylo Melnyk	University	Ukraine	291  136  104	2  876  688  064	159:52:50
26	Rüzgar Ayan	University	Turkey	291  106  963	2  876  540  864	15:58:37
27	Богдан Бурда	University	Ukraine	291  044  543	2  876  097  279	2:48:55
28	Raluca Panaite	School	Romania	291  067  320	2  875  833  043	17:14:32
29	Benjy Smith	School	New Zealand	291  050  264	2  875  724  725	32:41:32
30	Iulian Oleniuc	University	Romania	290  777  146	2  874  399  064	18:34:42
31	tianfan peng	University	China	290  749  958	2  874  110  766	13:23:13
32	Oleg Yasniy	Professional	Ukraine	290  941  964	2  874  100  382	164:36:23
33	Bogdan Pătruț	School	Romania	290  730  001	2  873  951  597	17:53:53
34	Andrey Stolitnii	School	Ukraine	290  965  762	2  873  675  562	46:00:23
35	Юра Сурняк	School	Ukraine	290  524  308	2  873  342  228	10:17:08
36	Руслан Слота	School	Ukraine	290  524  308	2  873  342  228	132:32:23
37	Alex P	Professional	Ukraine	290  524  308	2  873  342  228	215:35:44
38	Shenal Kotuwewatta	University	United States of America	291  091  733	2  801  652  607	165:19:28
39	Sergey Cheremshinsly	University	Ukraine	257  060  258	2  626  518  853	79:37:54
40	Богдан Чайка	University	Ukraine	11  607  567	77  311  246	46:01:53
41	Alvin Lee	University	China	0	0	0:00:00

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 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 on the 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 18-th November 2021. The Competition itself commences on December 4-th 2021 and ends at midnight on 12-th December 2021 (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 of 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 19-th December 2021.
6. The Prizes
   • 6.1 The competition prizes are as listed below:
     • First prize: Huawei MatePad 11.
     • Second prize: Huawei P40 lite.
     • Third prize: Huawei FreeBuds 4.
     • Jury prize: Huawei Band 6 can be awarded to one contestant based on the Jury's decision.
   • 6.2 The winners will be responsible for any taxes or charges incurred in claiming their respective prizes.
   • 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 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 under 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, to evaluate 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 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 on 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 on terms with any third party that is less favorable 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 behavior 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 competition administration and prize fulfillment.
   • 9.2 Winners agree that the Organiser can use their name and photograph in promotional material in all formats worldwide, to publicize 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 minimize the effect to Participants 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.

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 to understand how the system works.
4. Follow this link to register for Round 4.
5. When the round starts read the problem description.
6. For a quick start, check sample solutions for available programming languages: C++, Java, C#, and Python.
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. Clicking on a blue play icon will launch the visualizer tool for the corresponding solution.
9. For announcements and Q&A go to the contest clarification page or use the contact form.

Round Ranking

1. The provisional competitor standings will be available to the public on 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 a week after the round end.

Round Prizes

1. When the final results are published the top three eligible competitors can claim their prizes. Additionaly one extra prize can be awarder to a contestant according to the Jury's decision.
2. 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.

1. For each round top 10 competitors with positive score will receive tournament points according to the following distribution:
   • 1-st place: 25 points
   • 2-nd place: 18 points
   • 3-rd place: 15 points
   • 4-th place: 12 points
   • 5-th place: 10 points
   • 6-th place: 8 points
   • 7-th place: 6 points
   • 8-th place: 4 points
   • 9-th place: 2 points
   • 10-th place: 1 point
2. The final tournament leaderboard will be determined based on a participant's total points.
3. If two or more participants have the same number of points, a tie-breaker system is used. The one with the most wins is ranked higher. If the number of wins is the same, it goes to the one with the most second places and so on.
4. To receive a tournament prize, upon request, a winner has to provide organizers with a short video for marketing purposes.
5. Emails with detailed instructions will be sent to tournament prize winners.

The Round 4 final results are listed below. Jury Prize winner is Max Kovalchuk.

Rank	Who	Group	Country	Provisional Score	Final Score	Penalty
1	Yevhen Zadorozhnii	Professional	Ukraine	29  844  483	303  784  594	178:30:18
2	Philippe Ribet	Professional	France	28  252  405	287  090  852	215:58:12
3	Vlad Zavodnik	University	Ukraine	27  079  943	272  353  156	194:39:29
4	Max Kovalchuk	University	Ukraine	23  927  700	241  327  610	215:28:02
5	Christos Falas	Professional	Cyprus	22  146  541	224  998  776	205:20:17
6	Mikhail Putilin	Professional	Russia	22  230  765	223  389  919	156:25:51
7	Kostiantyn Lutsenko	University	Ukraine	16  113  527	161  929  429	145:50:51
8	Sithija Abhishek	School	Sri Lanka	14  582  596	146  178  413	213:28:58
9	Oleksandr Lobas	Professional	Ukraine	13  315  664	138  703  674	215:59:55
10	Volodymyr Lyubinets	Professional	Colombia	12  867  613	129  949  548	215:12:42
11	Artem Naumovych	University	Ukraine	11  895  230	120  740  415	212:49:08
12	Peter Mudrievskij	Professional	Ukraine	10  666  133	103  269  716	215:11:29
13	Mark Mikhno	Professional	Ukraine	10  150  026	102  359  749	189:03:56
14	Chirath Nirodha	School	Sri Lanka	8  938  601	91  826  861	209:40:29
15	x y	School	Italy	8  161  362	86  742  166	192:17:29
16	Alex Ermolaev	Professional	Ukraine	8  452  997	85  860  305	69:58:48
17	Oleg Vallas	University	Ukraine	8  439  978	85  697  403	215:45:20
18	Preyam Rao	University	India	8  239  429	83  825  675	215:45:43
19	Dmytro Kazakov	University	Ukraine	7  567  329	76  989  619	212:42:41
20	Богдан Пастущак	Professional	Ukraine	7  056  768	70  674  558	44:25:10
21	Abhishek Bansal	University	India	6  897  344	70  503  478	112:30:50
22	Roman Gultaichuk	Professional	Ukraine	6  897  344	70  503  478	214:31:08
23	Deep Raval	Professional	India	6  994  258	70  333  385	155:20:12
24	Богдан Вей	University	Ukraine	6  745  722	68  631  797	115:50:04
25	Viktoria Kharchenko	University	Ukraine	5  956  122	61  015  870	165:57:59
26	Danzel Artamadja	University	Indonesia	4  911  124	52  257  561	112:52:58
27	Мирослав Артюх	School	Ukraine	4  737  271	48  628  597	209:56:25
28	Takuki Kurokawa	University	Japan	4  497  524	45  566  641	69:45:40
29	Роман Шабайкович	School	Ukraine	3  488  387	36  646  793	209:09:59
30	Дмитро Гринишин	University	Ukraine	3  252  870	30  688  885	215:40:10
31	Serhii Lysychkin	Professional	Ukraine	2  870  196	30  274  909	17:19:19
32	Yusuf Akdoğan	Professional	Turkey	2  664  900	29  544  153	12:26:58
33	Roger Ortiz	University	Spain	2  664  900	29  544  153	12:39:32
34	Павло Цікалишин	School	Ukraine	2  664  900	29  544  153	20:56:52
35	Роман Деркач	Professional	Ukraine	2  664  900	29  544  153	28:03:21
36	Bohdan Chikh	University	Ukraine	2  664  900	29  544  153	44:50:38
37	Bodya Gerts	School	Ukraine	2  664  900	29  544  153	44:54:33
38	Priyansh Vaghamshi	Professional	India	2  664  900	29  544  153	138:55:21
39	Mykhailo Stanislavov	University	Ukraine	2  664  900	29  544  153	211:31:19
40	Abhishek Kumar Pathak	University	India	590  508	5  571  662	130:23:26
41	Aditya Th	University	India	119  662	1  180  969	95:56:33
42-43	Aryan Sinha	University	India	0	0	0:00:00
42-43	Таня Воробець	School	Ukraine	0	0	0:00:00