Problem A
Yin and Yang Stones

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Problem statistics

Submissions	4364
Accepted submissions	2636
Submission ratio	60.40%
Authors	2494
Accepted authors	2319
Author ratio	92.98%

#	User	Runtime	Date
1	Danny Robinson	0.02 s	2023-09-26 12:08:08
2	Thomas Feld	0.06 s	2023-09-27 14:13:37
3	Chenzhang Hu	0.06 s	2023-09-30 16:47:57

#	User	Runtime	Date
1	Simon Snygg	0.02 s	2017-05-12 10:43:11
2	Max Bågling	0.02 s	2017-05-31 21:16:06
3	Hidden user	0.02 s	2017-06-19 18:23:41
4	Khin Nyunt	0.02 s	2017-10-02 09:04:13
5	Faisal Rahman	0.02 s	2017-11-03 12:24:44
6	Kunwei Zhang	0.02 s	2018-02-15 09:01:40
7	Johan Pettersson	0.02 s	2018-04-27 00:02:56
8	Jahurul Satvik	0.02 s	2019-03-31 17:55:38
9	Andreas Åhlfeldt	0.02 s	2019-12-27 15:13:58
10	Carl Eriksson	0.02 s	2020-01-15 13:49:27

#	User	Runtime	Date
1	David Cawthon	0.01 s	2020-09-13 07:42:33

#	User	Runtime	Date
1	Patrick Bahr	0.04 s	2021-02-20 16:35:36

#	User	Runtime	Date
1	Krzysztof Gibuła	0.08 s	2021-03-25 19:01:26
2	Norbert Voelker	0.08 s	2021-04-07 00:37:04
3	suka isnaini	0.11 s	2023-12-17 07:45:09
4	dick move	0.22 s	2021-05-30 21:03:00
5	Jack Kryger Sørensen	0.22 s	2022-01-02 14:36:32
6	Robertus Bagaskara	0.23 s	2022-04-18 18:53:37

#	User	Runtime	Date
1	Sebastian Banert	0.00 s	2023-10-05 23:23:26
2	Steinar Simonnes	0.00 s	2024-01-31 10:33:51
3	Matthew Johnson	0.01 s	2017-04-26 04:38:03
4	Martin Jackson	0.01 s	2017-04-29 03:23:52
5	Olle Eriksson	0.01 s	2017-11-20 17:25:24
6	Daniel German	0.01 s	2018-06-30 22:13:42
7	Jannik Olbrich	0.01 s	2019-04-26 07:07:41
8	Isaac Arvestad	0.01 s	2019-05-30 12:28:20
9	Tines J. Valen	0.01 s	2019-09-16 17:36:37
10	Flocon de Son	0.01 s	2020-06-08 08:07:25

#	User	Runtime	Date
1	Alexander Fetisov	0.06 s	2017-04-15 19:07:53
2	Kensen Shi	0.06 s	2017-04-15 19:16:32
3	Mitchell Peterson	0.06 s	2017-04-15 19:18:16
4	Ethan Bainbridge	0.06 s	2017-04-15 19:19:14
5	Orlando Rodriguez Hernandez	0.06 s	2017-04-15 19:59:47
6	Nedim Husovic	0.06 s	2017-04-15 20:18:18
7	Finn Lidbetter	0.06 s	2017-04-19 21:20:58
8	Micah Stairs	0.06 s	2017-04-19 22:52:35
9	Aron Bergman	0.06 s	2017-04-24 09:22:26
10	Brendan Jones	0.06 s	2017-04-27 13:58:24

#	User	Runtime	Date
1	Pedro Dantas	0.06 s	2019-02-28 03:07:19
2	Sander Hellesø	0.07 s	2019-04-14 02:02:15
3	Hidden user	0.10 s	2022-11-23 20:17:28
4	Woo Kang	0.43 s	2020-09-14 07:30:52
5	Chris Wong	0.43 s	2021-02-15 15:50:40
6	Adam Kohl	0.43 s	2021-03-13 10:25:26
7	Khin Nyunt	0.43 s	2021-12-11 15:50:24
8	Andoko Chandra	0.44 s	2020-10-08 21:33:01
9	John	0.44 s	2021-03-10 04:22:13
10	[email protected]	0.45 s	2021-03-07 20:45:28

#	User	Runtime	Date
1	Bjørn Chr. Soltvedt	0.01 s	2017-04-22 20:29:42
2	Davíð Helgason	0.01 s	2017-08-07 22:09:14
3	Peter Menyes	0.01 s	2017-08-11 11:52:02
4	Peter Kedemo	0.03 s	2017-07-04 23:55:44
5	Nicklas Utgaard	0.03 s	2021-04-24 15:01:15
6	Christian Cederquist	0.03 s	2023-01-08 02:07:07
7	Zach Tschetter	0.03 s	2023-06-14 23:06:34

#	User	Runtime	Date
1	Timothy Gaede	0.47 s	2024-04-02 05:57:25

#	User	Runtime	Date
1	Benjamin Laurence Erickson	0.15 s	2019-09-17 23:13:48
2	Mike Wilkes	0.22 s	2018-02-11 20:13:46
3	Gaurav Tyagi	0.22 s	2018-11-21 23:51:14
4	Adam Rankin	0.23 s	2023-04-22 19:56:56
5	Jahid Hasan Imon	0.25 s	2020-05-22 22:24:22
6	Simon Lixenfeld	0.25 s	2021-06-11 23:07:28
7	Sergey Jakobsen	0.27 s	2021-03-14 22:40:43
8	Troy Warmboe	0.27 s	2021-10-11 22:40:09
9	Neil Harmon	0.28 s	2019-04-19 12:05:00
10	Dmitry Shostak	0.28 s	2019-09-23 08:34:34

#	User	Runtime	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	0.01 s	2023-11-14 23:29:33

#	User	Runtime	Date
1	Evan Magill	0.00 s	2023-10-27 17:42:40

#	User	Runtime	Date
1	Ingemar Ragnemalm	0.00 s	2018-09-01 22:18:31

#	User	Runtime	Date
1	Trevor	0.02 s	2024-02-19 20:48:11

#	User	Runtime	Date
1	Susanne Ragnemalm	0.01 s	2018-03-17 20:22:10
2	Hidden user	0.01 s	2019-03-27 17:41:55
3	Renate	0.01 s	2021-05-11 01:30:34
4	陳建宏	0.01 s	2021-06-21 17:46:31
5	Andre Wahyudi	0.01 s	2023-03-14 10:54:32

#	User	Runtime	Date
1	Hakan Kjellerstrand	0.05 s	2023-02-23 23:43:41
2	Andriy Zyevakov	0.09 s	2017-07-04 19:09:39

#	User	Runtime	Date
1	Ethan Arnold	0.02 s	2017-04-15 19:09:40
2	Sala Gabriel	0.02 s	2017-04-24 19:11:39
3	Tomas Alvarez	0.02 s	2017-05-08 22:37:51
4	Erin Birkwood	0.02 s	2017-06-15 22:21:49
5	Johan Wind	0.02 s	2017-06-25 21:03:26
6	Cliodhna Harrison	0.02 s	2017-08-04 15:11:20
7	Çağdaş Öztekin	0.02 s	2017-08-29 07:40:54
8	Kristmundur Agust	0.02 s	2017-10-07 02:28:02
9	Frederik Højholt	0.02 s	2017-10-23 17:05:01
10	Dangely Jeanelle	0.02 s	2017-11-02 00:09:16

#	User	Runtime	Date
1	Caleb Bryant	0.02 s	2017-04-15 19:07:00
2	Eric Williamson	0.02 s	2017-04-15 19:14:47
3	Sam Henry	0.02 s	2017-04-15 19:16:23
4	Lionel Kitihoun	0.02 s	2017-04-15 19:36:45
5	Chinmay Viraj Raut	0.02 s	2017-04-15 19:42:36
6	Christopher Nathaniel Walker	0.02 s	2017-04-15 20:54:36
7	Kevin Wang	0.02 s	2017-04-15 21:19:16
8	Ram Basnet	0.02 s	2017-04-19 20:48:42
9	James Hamm	0.02 s	2017-04-21 03:01:05
10	Hidden user	0.02 s	2017-04-22 17:16:17

#	User	Runtime	Date
1	Hidden user	0.05 s	2021-02-13 02:40:22
2	Thomas Feld	0.06 s	2022-11-10 12:50:47
3	Noah Hessen Bjerke	0.06 s	2022-11-30 21:44:11
4	Hakan Kjellerstrand	0.06 s	2023-03-17 10:47:16
5	Eugen Neagoe	0.06 s	2023-04-27 01:18:02
6	Chenzhang Hu	0.06 s	2023-09-19 19:42:26
7	Hidden user	0.07 s	2019-04-01 10:45:59

#	User	Runtime	Date
1	Shivam Thakur	0.00 s	2019-06-26 23:07:40
2	Hidden user	0.00 s	2021-02-25 13:15:57
3	Eric Pinter	0.00 s	2021-06-09 20:28:42
4	Freek van Keulen	0.00 s	2021-07-21 18:09:26
5	Bas Dirks	0.00 s	2022-01-02 12:26:23
6	David Rasch	0.00 s	2022-10-19 11:49:09
7	Gyanendra Shukla	0.00 s	2023-01-31 10:33:47
8	Kok Dith	0.02 s	2021-08-07 15:53:17

#	User	Length	Date
1	Chenzhang Hu	5	2024-02-03 14:45:59
2	Thomas Feld	13	2023-09-27 14:14:07
3	Danny Robinson	63	2023-09-26 12:25:11

#	User	Length	Date
1	Atul Anand	170	2017-06-21 14:55:36
2	Matthew Weston	176	2022-01-19 15:45:30
3	Sebastian Hosbond	209	2020-11-02 13:13:00
4	Daniel Nivon	209	2023-04-20 21:51:11
5	4A09 Hui Wan 4A09 許運	227	2020-03-03 11:39:24
6	David Hinschberger	228	2018-11-05 05:26:52
7	Hidden user	231	2017-11-20 08:49:23
8	Mikayla Tejada	231	2019-12-18 00:50:32
9	Hidden user	231	2020-09-09 13:04:40
10	Hidden user	233	2020-03-15 12:02:48

#	User	Length	Date
1	Greg Sinclair	203	2023-10-28 06:04:32
2	Kunwei Zhang	217	2018-02-15 09:01:40
3	Göran Andersson	257	2022-05-12 22:27:31
4	Thomas Norris	372	2020-11-14 22:00:34
5	Khin Nyunt	375	2017-10-02 09:04:13
6	Maykal Droshev	395	2021-02-17 10:17:25
7	Andreas Åhlfeldt	437	2019-12-27 15:13:58
8	Hidden user	456	2017-06-19 18:23:41
9	Vicky Irmawan	485	2020-07-22 04:27:38
10	fred bstrom	549	2021-10-10 18:08:07

#	User	Length	Date
1	Mohammad Sadeghi	160	2019-07-11 13:39:02
2	Markus Mathiasen	167	2021-05-05 16:54:25
3	Frederick Pek	179	2021-06-04 09:20:07
4	Sunny Nguyen	188	2018-10-06 06:04:32
5	Marco Servin	191	2020-07-09 00:34:22
6	Đậu Huy Minh	191	2022-10-17 18:15:13
7	Hidden user	192	2020-04-11 17:37:20
8	Dewita Sonya Tarabunga	195	2018-03-18 18:10:08
9	Zane Yu	196	2018-12-09 08:44:49
10	Jacek Ostrowski	198	2017-11-10 10:11:14

#	User	Length	Date
1	David Cawthon	271	2020-09-13 07:42:33

#	User	Length	Date
1	Patrick Bahr	1798	2021-02-20 16:35:36

#	User	Length	Date
1	suka isnaini	212	2023-12-17 07:45:09
2	dick move	224	2021-05-30 21:03:00
3	Jack Kryger Sørensen	241	2022-01-02 14:36:32
4	Robertus Bagaskara	290	2022-04-18 18:53:37
5	Krzysztof Gibuła	391	2021-03-25 19:01:26
6	Norbert Voelker	497	2021-04-07 00:37:04

#	User	Length	Date
1	Jannik Olbrich	90	2019-04-26 07:07:41
2	Tines J. Valen	116	2019-09-16 17:36:37
3	Matthew Johnson	134	2017-04-26 04:38:03
4	Olle Eriksson	137	2017-11-20 17:25:24
5	Brandon Tang	175	2023-05-19 22:02:43
6	David Zacek	182	2021-05-11 03:00:42
7	Martin Jackson	184	2017-04-29 03:23:52
8	Isaac Arvestad	186	2019-05-30 12:28:20
9	Stefan Kennedy	187	2017-12-07 19:29:42
10	Hidden user	189	2017-08-22 22:10:02

#	User	Length	Date
1	William White	236	2017-04-15 23:41:32
2	Kyle Toom	291	2020-02-20 17:45:47
3	Kevin Kauffman	292	2022-01-02 22:52:36
4	Doug Goodman	312	2018-06-18 23:52:32
5	Timothy Buzzelli	317	2017-04-15 19:05:09
6	Ryan Kelsey	329	2017-04-15 19:10:32
7	Janic Bellmann	330	2022-11-01 13:57:40
8	Qritel Abdelilah	331	2017-04-30 00:49:09
9	Pedro Contipelli	333	2017-05-08 17:49:02
10	Mohamed Lmoussaoui	335	2017-04-15 19:25:29

#	User	Length	Date
1	Hidden user	332	2022-11-23 20:17:28
2	Pedro Dantas	370	2019-02-28 03:07:19
3	Chris Wong	420	2021-02-15 15:50:40
4	Woo Kang	532	2020-09-14 07:30:52
5	Sander Hellesø	575	2019-04-14 02:02:15
6	Khin Nyunt	603	2021-12-11 15:50:24
7	[email protected]	621	2021-03-07 20:45:28
8	Adam Kohl	673	2021-03-13 10:25:26
9	Andoko Chandra	831	2020-10-08 21:33:01
10	John	943	2021-03-10 04:22:13

#	User	Length	Date
1	Zach Tschetter	98	2023-06-14 23:06:34
2	Bjørn Chr. Soltvedt	152	2017-04-22 20:29:42
3	Christian Cederquist	161	2023-01-08 02:07:07
4	Davíð Helgason	175	2017-08-07 22:09:14
5	Peter Kedemo	214	2017-07-04 23:55:44
6	Nicklas Utgaard	411	2021-04-24 15:01:15
7	Peter Menyes	440	2017-08-11 11:52:02

#	User	Length	Date
1	Timothy Gaede	214	2024-04-02 05:57:25

#	User	Length	Date
1	Nicholas Johnson	100	2020-02-17 01:28:06
2	Sergey Jakobsen	119	2021-03-14 22:40:43
3	Dmitry Shostak	152	2019-09-23 08:34:34
4	Simon Lixenfeld	178	2021-06-11 23:07:28
5	Einar Kjellback	180	2019-12-08 23:16:50
6	Jahid Hasan Imon	210	2020-05-22 22:24:22
7	Troy Warmboe	225	2021-10-11 22:40:09
8	Benjamin Laurence Erickson	320	2019-09-17 23:13:48
9	Adam Rankin	373	2023-04-22 19:56:56
10	Gaurav Tyagi	505	2018-11-21 23:51:14

#	User	Length	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	360	2023-11-14 23:29:33

#	User	Length	Date
1	Evan Magill	285	2023-10-27 17:42:40

#	User	Length	Date
1	Ingemar Ragnemalm	269	2018-09-01 22:18:31

#	User	Length	Date
1	Trevor	276	2024-02-19 20:48:11

#	User	Length	Date
1	Renate	127	2021-05-11 01:30:34
2	Susanne Ragnemalm	237	2018-03-17 20:22:10
3	陳建宏	252	2021-06-21 17:46:31
4	Andre Wahyudi	356	2023-03-14 10:54:32
5	Hidden user	552	2019-03-27 17:41:55

#	User	Length	Date
1	Hakan Kjellerstrand	103	2023-03-17 11:35:21
2	Andriy Zyevakov	261	2017-07-04 19:09:39

#	User	Length	Date
1	Thomas Feld	52	2019-08-23 10:10:17
2	Johan Wind	56	2017-06-25 21:03:26
3	Michael van der Kamp	64	2018-03-23 04:26:18
4	David Brewster	65	2017-04-15 21:06:18
5	Yanmarshus Bachtiar	69	2020-10-15 01:55:39
6	Winston Luo	71	2017-04-15 19:22:31
7	Lars Åström	72	2018-11-19 09:36:03
8	Justin Su	75	2019-10-02 01:34:13
9	Catalin Popa	76	2019-01-03 20:24:29
10	Ethan Arnold	80	2017-04-15 19:09:40

#	User	Length	Date
1	Clement Oh	41	2023-05-14 13:09:31
2	Harry Zhang	42	2022-12-19 11:12:50
3	Evan Carr	42	2023-12-29 01:43:20
4	Jesper Bech Christensen	44	2022-10-25 12:59:34
5	Hidden user	44	2022-11-22 19:42:38
6	Josh Taylor	44	2023-06-22 20:39:46
7	Guk Yi Siong	47	2023-07-30 05:04:09
8	Tobias Bessler	47	2023-09-13 20:30:49
9	Eduardo Vicente Petry	48	2023-02-04 09:29:32
10	Thomas Draper	48	2023-04-14 04:01:56

#	User	Length	Date
1	Chenzhang Hu	29	2024-04-14 07:35:10
2	Thomas Feld	32	2022-11-10 12:51:48
3	Hakan Kjellerstrand	41	2023-03-17 10:47:16
4	Hidden user	54	2021-02-13 02:40:22
5	Noah Hessen Bjerke	69	2022-11-30 21:44:11
6	Eugen Neagoe	88	2023-04-27 01:18:02
7	Hidden user	115	2019-04-01 10:45:59

#	User	Length	Date
1	Shivam Thakur	346	2019-06-26 23:07:40
2	David Rasch	364	2022-10-19 11:49:09
3	Hidden user	411	2021-02-25 13:15:57
4	Freek van Keulen	467	2021-07-21 18:09:26
5	Bas Dirks	484	2022-01-02 12:26:23
6	Kok Dith	544	2021-08-07 15:53:17
7	Eric Pinter	953	2021-06-09 20:28:42
8	Gyanendra Shukla	1370	2023-01-31 10:33:47

Solution running time distribution