Problem A
Grid Magic

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Problem statistics

Submissions	423
Accepted submissions	248
Submission ratio	58.63%
Authors	225
Accepted authors	210
Author ratio	93.33%

#	User	Runtime	Date
1	Bergur Snorrason	0.00 s	2020-11-19 20:26:45
2	Mikael K Eriksson	0.00 s	2021-05-24 09:18:32
3	Teikn Smith	0.00 s	2022-07-06 22:44:44

#	User	Runtime	Date
1	Norbert Voelker	0.08 s	2021-07-19 20:12:23

#	User	Runtime	Date
1	Brent Yorgey	0.01 s	2020-11-20 15:32:30
2	Hidden user	0.01 s	2021-06-08 13:27:36

#	User	Runtime	Date
1	David Harmeyer	0.06 s	2020-10-24 21:22:41
2	Sharon Barak	0.06 s	2020-10-24 21:28:00
3	Sathvik Kuthuru	0.06 s	2020-10-24 21:32:50
4	Colin Sullivan	0.06 s	2020-10-24 21:39:20
5	Mong-En Ip	0.06 s	2020-10-24 21:53:39
6	Jacob Magnuson	0.06 s	2020-10-24 22:04:32
7	Chris Gittings	0.06 s	2020-10-24 23:46:13
8	Crystal Sharpe	0.06 s	2020-11-25 07:37:12
9	Steven Cheng	0.06 s	2020-12-20 04:05:33
10	Ben Cobb	0.06 s	2024-02-29 18:52:22

#	User	Runtime	Date
1	Bjørn Chr. Soltvedt	0.02 s	2020-12-02 15:33:08
2	Christian Cederquist	0.02 s	2023-05-21 02:45:40

#	User	Runtime	Date
1	Andy Phan	0.16 s	2020-10-24 22:55:21
2	Adam Rankin	0.19 s	2023-08-30 18:21:05

#	User	Runtime	Date
1	Ethan Arnold	0.04 s	2020-10-24 21:36:39

#	User	Runtime	Date
1	Peter Stauder	0.04 s	2022-08-26 22:19:02
2	Iman Khodadi	0.04 s	2023-07-01 09:11:43
3	Nicholas Russell Saerang	0.04 s	2023-07-23 23:45:19
4	Zac Friggstad	0.05 s	2020-10-31 00:46:42
5	Samuel Furman	0.05 s	2020-11-24 19:23:21
6	Steven Halim	0.05 s	2020-12-03 04:22:48
7	Vincent Tandya	0.05 s	2020-12-19 15:05:52
8	Isaac Lee	0.05 s	2020-12-25 03:52:26
9	Bjørn Dons	0.05 s	2020-12-27 22:31:31
10	Hidden user	0.05 s	2021-01-02 02:20:42

#	User	Runtime	Date
1	Hidden user	0.05 s	2020-12-28 09:18:25
2	Thomas Feld	0.05 s	2023-03-07 12:33:39
3	Miorel Palii	0.69 s	2022-03-23 08:14:25

#	User	Runtime	Date
1	Fiat Driver	0.00 s	2023-06-27 00:33:02
2	Bas Dirks	0.00 s	2024-01-17 17:58:05

#	User	Length	Date
1	Teikn Smith	328	2022-07-06 22:44:44
2	Mikael K Eriksson	985	2021-05-24 09:18:32
3	Bergur Snorrason	2690	2020-11-19 20:26:45

#	User	Length	Date
1	Yen-Hsiang Chang	298	2020-10-24 21:30:50
2	Hyunjun Lee	369	2022-11-22 15:26:44
3	Petru Lungu	385	2021-01-31 13:09:58
4	Sorana Maria Gligor	435	2021-01-31 13:10:57
5	Dominik Kubicki	447	2020-11-25 18:12:28
6	Yucheng Dai	509	2020-10-24 22:00:37
7	kiran bhattar	534	2022-01-22 13:49:01
8	Dmitry Lyubshin	638	2023-04-07 17:23:06
9	Chris Trevisan	680	2020-10-24 22:50:22
10	Grae Yeandle	775	2023-02-25 14:43:41

#	User	Length	Date
1	Norbert Voelker	2030	2021-07-19 20:12:23

#	User	Length	Date
1	Brent Yorgey	2039	2020-11-20 15:32:30
2	Hidden user	12145	2021-06-08 13:27:36

#	User	Length	Date
1	Crystal Sharpe	629	2020-11-25 07:37:12
2	Ben Cobb	1023	2024-02-29 18:52:22
3	Arup Ratan Guha	1096	2020-10-24 21:33:47
4	Jay Doshi	1323	2020-10-24 22:22:41
5	Quinn Gilbert	1351	2020-10-24 22:30:32
6	Godmar Back	1433	2020-11-02 19:55:34
7	Colin Sullivan	1483	2020-10-24 21:39:20
8	Hidden user	1526	2020-10-25 01:11:55
9	David Harmeyer	1540	2020-10-24 21:22:41
10	Fiona Barry	1603	2020-10-24 21:56:16

#	User	Length	Date
1	Christian Cederquist	80	2023-05-21 02:55:20
2	Bjørn Chr. Soltvedt	1501	2020-12-02 15:33:08

#	User	Length	Date
1	Adam Rankin	542	2023-08-30 18:21:05
2	Andy Phan	1260	2020-10-24 22:55:21

#	User	Length	Date
1	Ethan Arnold	1633	2020-10-24 21:36:39

#	User	Length	Date
1	Benjamin Z White	100	2023-04-30 17:26:59
2	Nicholas Russell Saerang	152	2023-07-23 23:45:19
3	Peter Stauder	156	2022-08-26 22:31:56
4	Hidden user	160	2021-01-02 02:20:42
5	Hidden user	195	2023-01-13 03:40:59
6	Zac Friggstad	208	2020-10-31 00:46:42
7	Iman Khodadi	223	2023-07-01 09:11:43
8	Christian Blumenthal	236	2023-06-23 03:16:52
9	Erik Amirell Eklöf	293	2021-08-25 18:01:37
10	Steven Halim	308	2020-12-03 04:22:48

#	User	Length	Date
1	Thomas Feld	78	2023-03-07 12:35:04
2	Hidden user	309	2020-12-28 09:18:25
3	Miorel Palii	825	2022-03-23 08:14:25

#	User	Length	Date
1	Bas Dirks	1798	2024-01-17 17:58:05
2	Fiat Driver	3422	2023-06-27 00:35:06

Solution running time distribution