Problem I
Game Rank — Problem Statistics

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Submissions	7717
Accepted submissions	1796
Submission ratio	23.27%
Authors	1813
Full solves [?]	1506
Full solve Ratio	83.07%

#	User	Runtime	Language	Date
1	Björn Gunnarsson	0.02 s	C#	2016-10-08 13:47:04
2	Ugnius Skučas	0.02 s	C#	2016-10-16 13:31:20
3	Guðmundur Bjarni Kristinsson	0.02 s	C#	2017-01-03 02:03:57
4	Klas af Geijerstam	0.02 s	C#	2017-07-31 17:15:10
5	Adrian Reithaug	0.02 s	C#	2017-09-03 10:11:12
6	Hidden user	0.02 s	C#	2017-10-05 21:22:34
7	Benjamin Bilbeau	0.02 s	C#	2018-06-26 06:36:44
8	Donald Heppner	0.02 s	C#	2018-06-30 04:43:11
9	Joseph Russell	0.02 s	C#	2018-12-19 03:20:59
10	Alexander Davies	0.02 s	C#	2019-01-14 23:02:35

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	D	2025-08-11 19:08:53

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-11-07 22:54:59
2	Kasper Sacharias Roos Eenberg	0.10 s	Go	2016-10-12 21:11:23

#	User	Runtime	Language	Date
1	Jan Hlavacek	0.00 s	Haskell	2017-02-07 08:17:35
2	Jørn Lode	0.00 s	Haskell	2022-09-28 15:16:45
3	Hidden user	0.00 s	Haskell	2023-03-07 08:33:55
4	Matthew Gvasalia	0.00 s	Haskell	2023-06-08 15:30:47
5	Li Jun	0.00 s	Haskell	2023-06-23 19:45:01
6	Mason Barnhill	0.00 s	Haskell	2023-08-08 19:40:25
7	Brent Yorgey	0.01 s	Haskell	2018-12-25 06:35:29
8	Joakim Sunde	0.01 s	Haskell	2019-01-10 14:17:48
9	amund lindberg	0.01 s	Haskell	2019-01-18 13:56:34

#	User	Runtime	Language	Date
1	Sriniketh Vangaru	0.04 s	Java	2024-09-15 11:47:11
2	Ryan Tan	0.04 s	Java	2025-03-13 18:00:55
3	Sune Ohrt Sørensen	0.05 s	Java	2016-10-08 12:14:49
4	Det kommutativa laget	0.05 s	Java	2016-10-08 12:38:15
5	Joachim Nybo	0.05 s	Java	2016-10-08 14:03:54
6	Andreas Jansson	0.05 s	Java	2016-10-08 17:34:16
7	Antony Lee	0.05 s	Java	2016-10-08 17:37:12
8	Hidden user	0.05 s	Java	2016-10-08 18:17:00
9	Fredrik Persson	0.05 s	Java	2016-10-08 22:34:55
10	Eskil Jarlskog	0.05 s	Java	2016-10-09 11:55:01

#	User	Runtime	Language	Date
1	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-21 05:34:59
2	Gurpartap Singh Bhatti	0.06 s	JavaScript (Node.js)	2019-03-28 04:09:21
3	Redho Darmawan	0.07 s	JavaScript (Node.js)	2024-07-04 10:28:01
4	Stephanie Keck	0.43 s	JavaScript (Node.js)	2020-02-16 01:21:25

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-04-22 21:26:56
2	Rory Stolzenberg	0.01 s	JavaScript (SpiderMonkey)	2017-11-15 02:50:24
3	Jeremy	0.01 s	JavaScript (SpiderMonkey)	2018-03-19 06:04:47
4	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2016-10-14 22:15:11
5	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-06-30 17:18:19

#	User	Runtime	Language	Date
1	Hidden user	0.55 s	Julia	2025-08-11 21:45:43

#	User	Runtime	Language	Date
1	Peter Mikkelsen	0.14 s	Kotlin	2019-10-11 16:55:47
2	Adam Rankin	0.18 s	Kotlin	2023-09-16 19:41:50
3	Ravisai Tiruvuri	0.18 s	Kotlin	2024-03-19 05:59:31
4	Dayan Ruben Gonzalez	0.20 s	Kotlin	2020-10-04 06:14:29
5	Vegard Itland	0.24 s	Kotlin	2019-01-28 23:40:11
6	Jacob Huebner	0.24 s	Kotlin	2020-04-20 20:03:14
7	Johnny Baloney	0.24 s	Kotlin	2021-11-20 16:25:01

#	User	Runtime	Language	Date
1	Caleb Austin	0.00 s	Lua	2024-11-01 22:14:37

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-06-14 15:23:23

#	User	Runtime	Language	Date
1	Denis BAURAIN	0.01 s	Perl	2026-01-12 22:07:20

#	User	Runtime	Language	Date
1	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-09-20 18:59:05

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.08 s	Prolog	2025-12-07 08:49:52

#	User	Runtime	Language	Date
1	Vilius Ciuzelis	0.03 s	Python 2	2016-10-08 15:07:01
2	Tyler Durden	0.03 s	Python 2	2018-02-10 00:21:10
3	Christofer Ohlsson	0.04 s	Python 2	2016-10-08 11:26:51
4	Mostly Bob	0.04 s	Python 2	2016-10-08 12:05:44
5	Didrik Rokhaug	0.04 s	Python 2	2016-10-08 12:37:31
6	Tormod Ryeng	0.04 s	Python 2	2016-10-08 13:20:41
7	Hans Petter Kragset	0.04 s	Python 2	2016-10-08 13:46:21
8	Morten Eskildsen	0.04 s	Python 2	2016-10-08 14:19:46
9	Christian Resell	0.04 s	Python 2	2016-10-08 15:23:03
10	Simen Been	0.04 s	Python 2	2016-10-08 15:33:04

#	User	Runtime	Language	Date
1	Vemund Santi	0.02 s	Python 3	2016-10-08 12:27:15
2	Christian Lindeström	0.02 s	Python 3	2016-10-08 12:37:16
3	Espen Haugsdal	0.02 s	Python 3	2016-10-08 12:53:28
4	Sondre Brekke	0.02 s	Python 3	2016-10-08 13:11:47
5	Jørgen Valstad	0.02 s	Python 3	2016-10-08 13:20:48
6	Freek van Walderveen	0.02 s	Python 3	2016-10-08 13:21:57
7	Torstein Strømme	0.02 s	Python 3	2016-10-08 13:24:18
8	Iver Egge	0.02 s	Python 3	2016-10-08 13:31:57
9	Håkon Verås	0.02 s	Python 3	2016-10-08 13:55:39
10	Ludvig Killingberg	0.02 s	Python 3	2016-10-08 14:30:19

#	User	Runtime	Language	Date
1	Casper Christensen	0.04 s	Ruby	2016-10-09 11:13:15
2	Peter Mikkelsen	0.05 s	Ruby	2019-10-11 17:01:57
3	Alghi Fariansyah	0.06 s	Ruby	2020-10-30 10:08:15

#	User	Runtime	Language	Date
1	Teo Wegestal	0.09 s	TypeScript	2023-09-17 16:45:13

#	User	Length	Language	Date
1	Thibault Raffaillac	657	C	2018-11-26 18:17:26
2	Ruben Spaans	802	C	2016-10-14 22:07:00
3	Mikael K Eriksson	860	C	2021-02-06 22:08:34
4	Andrew Roberts	879	C	2017-10-05 22:24:43
5	Alex Ungurianu	918	C	2016-10-21 01:29:31
6	Trym Rødvei	976	C	2019-01-16 06:48:41
7	Sebastian Oveland	1033	C	2018-03-02 23:05:05
8	Aron Bergman	1052	C	2019-11-15 23:49:21
9	Love Brandefelt	1104	C	2019-04-09 14:08:56
10	Jing Wang	1120	C	2021-12-19 04:40:05

#	User	Length	Language	Date
1	Nathan Andrews	1180	C#	2024-11-01 22:43:13
2	Klas af Geijerstam	1385	C#	2017-07-31 17:15:10
3	Lucía María Alvarez Sánchez	1556	C#	2023-04-17 04:27:27
4	Mads Skødt Poulsen	1587	C#	2020-11-02 13:37:11
5	Gergo Csonka	1619	C#	2021-02-11 06:38:08
6	Alexander Davies	1621	C#	2019-01-14 23:02:35
7	Allan Chandler	1621	C#	2021-05-06 16:22:05
8	Akbar Parkoo	1621	C#	2022-08-08 08:30:49
9	Bruno Daniel Hernández Chagoya	1621	C#	2022-09-12 05:53:44
10	Eduardo Maximiliano Coutiño Hernández	1621	C#	2022-11-10 16:43:46

#	User	Length	Language	Date
1	Teikn Smith	264	C++	2024-06-23 03:59:48
2	Anders Mouanga	367	C++	2024-04-28 02:20:24
3	Mikko Sysikaski	523	C++	2016-10-08 12:10:22
4	Hiên Mai	593	C++	2018-11-12 14:29:44
5	Adrián Javaloy	621	C++	2016-10-08 18:30:19
6	William Gan	644	C++	2017-08-15 07:40:52
7	Hidden user	673	C++	2017-03-04 13:58:36
8	Jackson Abascal	678	C++	2016-10-09 21:07:40
9	Reynier Rivero Alarcon	686	C++	2018-04-30 08:19:43
10	Hyunjun Lee	692	C++	2022-10-17 13:36:59

#	User	Length	Language	Date
1	Hidden user	1040	D	2025-08-11 19:08:53

#	User	Length	Language	Date
1	Norbert Voelker	1001	Go	2021-11-07 22:54:59
2	Kasper Sacharias Roos Eenberg	1292	Go	2016-10-12 21:11:23

#	User	Length	Language	Date
1	Li Jun	677	Haskell	2023-06-23 19:45:01
2	Hidden user	887	Haskell	2023-03-07 08:33:55
3	Brent Yorgey	1035	Haskell	2018-12-25 06:35:29
4	Mason Barnhill	1097	Haskell	2023-08-08 19:40:25
5	Jørn Lode	1237	Haskell	2022-09-29 12:20:39
6	Jan Hlavacek	1414	Haskell	2017-02-07 08:17:35
7	amund lindberg	1437	Haskell	2019-01-19 15:46:54
8	Joakim Sunde	1457	Haskell	2019-01-10 14:17:48
9	Matthew Gvasalia	3205	Haskell	2023-06-08 15:30:47

#	User	Length	Language	Date
1	Nicholas Mugleston	818	Java	2019-10-02 19:25:09
2	Xuehui Chen	869	Java	2018-07-09 19:22:29
3	Jordan Lamkin	922	Java	2017-02-11 00:51:01
4	Veronica Gunn	939	Java	2017-03-04 23:35:37
5	Nam Phan Thành	944	Java	2018-10-05 06:37:09
6	Alex Coleman	950	Java	2017-03-02 19:43:29
7	Andrew Polizzotto	952	Java	2020-03-10 16:59:13
8	Thore Tiemann	988	Java	2016-11-09 22:45:54
9	Pedro Contipelli	1018	Java	2016-10-27 07:04:28
10	Intothe Unknown	1018	Java	2023-05-16 06:02:22

#	User	Length	Language	Date
1	Gurpartap Singh Bhatti	1666	JavaScript (Node.js)	2019-03-28 04:09:21
2	Sander Hellesø	1745	JavaScript (Node.js)	2019-04-21 05:34:59
3	Redho Darmawan	1795	JavaScript (Node.js)	2024-07-04 10:28:01
4	Stephanie Keck	10194	JavaScript (Node.js)	2020-02-16 01:21:25

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	550	JavaScript (SpiderMonkey)	2017-04-22 21:26:56
2	Rory Stolzenberg	968	JavaScript (SpiderMonkey)	2017-11-15 02:50:24
3	Peter Kedemo	1003	JavaScript (SpiderMonkey)	2016-10-14 22:15:11
4	Jeremy	1162	JavaScript (SpiderMonkey)	2018-03-19 06:04:47
5	Christian Pilegaard Cederquist	1306	JavaScript (SpiderMonkey)	2023-06-30 17:18:19

#	User	Length	Language	Date
1	Hidden user	227	Julia	2025-08-11 21:45:43

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	982	Kotlin	2020-10-04 06:14:29
2	Vegard Itland	1031	Kotlin	2019-01-28 23:40:11
3	Johnny Baloney	1122	Kotlin	2021-11-20 16:25:01
4	Jacob Huebner	1175	Kotlin	2020-04-20 20:03:14
5	Adam Rankin	1242	Kotlin	2023-09-16 19:41:50
6	Peter Mikkelsen	1719	Kotlin	2019-10-11 16:57:04
7	Ravisai Tiruvuri	5578	Kotlin	2024-03-19 05:59:31

#	User	Length	Language	Date
1	Caleb Austin	1084	Lua	2024-11-01 22:14:37

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1131	Pascal	2019-06-14 15:23:23

#	User	Length	Language	Date
1	Denis BAURAIN	635	Perl	2026-01-12 22:07:20

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	2174	PHP	2019-09-20 18:59:05

#	User	Length	Language	Date
1	Andriy Zyevakov	6227	Prolog	2025-12-07 08:49:52

#	User	Length	Language	Date
1	Thomas Feld	272	Python 2	2019-09-25 11:12:38
2	Haggai Liu	475	Python 2	2018-01-14 08:19:37
3	Niklas Baumstark	525	Python 2	2016-11-13 22:01:29
4	Andreas Björklund	572	Python 2	2019-03-19 20:20:58
5	Snild Dolkow	593	Python 2	2016-10-08 22:02:19
6	Marcel Wienöbst	636	Python 2	2016-10-15 16:21:30
7	Dhairya Patel	661	Python 2	2020-07-14 07:22:12
8	Eoin Davey	667	Python 2	2017-10-15 16:19:44
9	Henry Rice	690	Python 2	2019-01-12 01:50:05
10	Erik Sillén	693	Python 2	2017-05-10 10:52:11

#	User	Length	Language	Date
1	Russell Ng	245	Python 3	2025-06-01 13:07:26
2	Charles Ancheta	246	Python 3	2023-03-30 09:04:42
3	Nicolas Testu	259	Python 3	2022-12-23 14:34:28
4	Vladimir Valyukh	392	Python 3	2019-10-04 17:58:49
5	Timothy White	394	Python 3	2023-02-19 21:36:42
6	Hidden user	420	Python 3	2026-02-08 00:58:59
7	Zsolt Németh	436	Python 3	2024-06-14 17:33:22
8	Hidden user	480	Python 3	2022-08-12 20:59:18
9	Nicholas Russell Saerang	487	Python 3	2023-12-18 14:03:23
10	Noah Hessen Bjerke	511	Python 3	2024-09-27 12:37:52

#	User	Length	Language	Date
1	Alghi Fariansyah	813	Ruby	2020-10-30 10:10:33
2	Casper Christensen	827	Ruby	2016-10-09 11:13:15
3	Peter Mikkelsen	1510	Ruby	2019-10-11 17:01:57

#	User	Length	Language	Date
1	Stephen Downward	1240	Rust	2020-10-05 22:21:18
2	Emil Gestsson	1299	Rust	2020-11-16 14:05:27
3	Love Brandefelt	1316	Rust	2018-11-18 00:42:05
4	Alexandr Last	1365	Rust	2023-09-02 11:45:22
5	Matthew Staton	1469	Rust	2025-10-22 21:31:06
6	Alexander Holmberg	1552	Rust	2021-09-16 22:16:43
7	Olle Jernström	1557	Rust	2021-11-20 05:12:05
8	Oliver Lindbäck	1557	Rust	2023-09-12 18:52:23
9	Oliver Lindbäck	1557	Rust	2023-09-12 18:54:16
10	Gustaf Haglund	1598	Rust	2021-11-22 15:16:40

#	User	Length	Language	Date
1	Teo Wegestal	1014	TypeScript	2023-09-17 16:45:13

Solution running time distribution