Problem A
Neighborhood Watch

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Problem statistics

Submissions	2170
Accepted submissions	787
Submission ratio	36.27%
Authors	697
Accepted authors	603
Author ratio	86.51%

#	User	Runtime	Date
1	Chenzhang Hu	0.12 s	2024-04-16 16:03:26

#	User	Runtime	Date
1	Bergur Snorrason	0.01 s	2019-11-22 08:58:57
2	Miranda Henry	0.02 s	2019-09-26 20:08:02
3	Hidden user	0.02 s	2020-05-03 18:19:06
4	Vance Go	0.02 s	2020-05-06 19:23:14
5	Sambit Palit	0.02 s	2020-11-21 04:48:51
6	Hidden user	0.02 s	2023-01-04 16:55:00
7	Hidden user	0.02 s	2023-07-11 01:09:18

#	User	Runtime	Date
1	Garðar Ingvarsson	0.00 s	2019-04-10 00:51:12
2	Frank Endriss	0.00 s	2020-01-06 22:30:59
3	Agis Daniels	0.00 s	2020-03-14 16:03:07
4	Geralt of Rivia	0.00 s	2022-08-02 04:04:45
5	Noah Weninger	0.01 s	2018-12-21 00:47:44
6	Chenzhang Hu	0.01 s	2019-10-24 18:50:06
7	sicupu	0.01 s	2022-08-20 08:44:02
8	Lago Duria	0.01 s	2022-10-14 16:35:11
9	Zong Yu Lee	0.01 s	2022-12-23 08:47:38
10	Leszek Hanusiak	0.01 s	2023-06-08 19:36:44

#	User	Runtime	Date
1	Jinwoo Lee	0.07 s	2018-12-26 19:30:04
2	Norbert Voelker	0.09 s	2021-12-12 19:43:18

#	User	Runtime	Date
1	Tim Put	0.01 s	2021-03-26 23:37:05
2	Brent Yorgey	0.32 s	2019-01-02 21:32:18
3	Josh Coward	0.35 s	2022-01-02 21:22:52
4	Matthew Regehr	0.47 s	2018-11-23 23:34:44

#	User	Runtime	Date
1	Crystal Sharpe	0.08 s	2020-08-26 09:25:40
2	Bjørn Dons	0.11 s	2019-08-17 22:32:27
3	Hidden user	0.11 s	2019-10-28 21:37:19
4	Ahmad Barhamje	0.12 s	2019-05-11 20:09:44
5	Hidden user	0.14 s	2018-11-03 17:28:04
6	Keegan Millard	0.14 s	2018-11-03 18:59:28
7	Sam Reinehr	0.14 s	2018-11-04 04:47:11
8	Hidden user	0.15 s	2018-11-03 17:19:21
9	Olivia Bizimungu	0.16 s	2020-05-10 23:40:27
10	Shawn Ho	0.16 s	2022-02-19 14:55:57

#	User	Runtime	Date
1	Christian Cederquist	0.08 s	2023-05-30 02:28:09
2	Bjørn Chr. Soltvedt	0.09 s	2019-03-01 13:09:11

#	User	Runtime	Date
1	Jacob Huebner	0.17 s	2021-10-21 00:54:36
2	Nicholas Johnson	0.29 s	2021-10-19 05:56:18
3	Adam Rankin	0.35 s	2023-10-23 18:11:10
4	Adam Koprowski	0.57 s	2021-06-28 19:29:35
5	Nithin Chalapathi	0.67 s	2018-11-03 20:21:21

#	User	Runtime	Date
1	Greg Gorlen	0.05 s	2023-02-23 01:13:26

#	User	Runtime	Date
1	Andriy Zyevakov	0.33 s	2019-04-26 20:03:01

#	User	Runtime	Date
1	Hermon Mulat	0.05 s	2018-12-26 04:07:40
2	Agis Daniels	0.05 s	2020-03-14 16:07:11
3	Yanmarshus Bachtiar	0.06 s	2020-11-23 02:49:39
4	Måns Magnusson	0.08 s	2018-11-08 23:08:17
5	Maj Stenmark	0.08 s	2018-11-12 23:00:24
6	Jesper Öqvist	0.08 s	2019-08-11 16:14:31
7	Thomas Feld	0.08 s	2019-10-16 16:27:56
8	Andreas Björklund	0.08 s	2020-10-23 17:33:45
9	Justin Siu	0.09 s	2019-03-23 22:03:32
10	Johan Lyts	0.09 s	2020-03-05 21:33:16

#	User	Runtime	Date
1	Giulio Manuzzi	0.07 s	2022-10-12 12:06:01
2	John Swingle	0.08 s	2022-02-12 01:20:07
3	Ahmed Siadomar	0.08 s	2023-02-22 06:14:47
4	Mike Nguyen	0.09 s	2020-11-19 02:40:42
5	Jakob Valic	0.09 s	2021-01-06 13:40:34
6	Oskar Haarklou Veileborg	0.09 s	2021-01-21 15:32:14
7	Josh Taylor	0.09 s	2021-02-22 22:50:36
8	Ryan Farrell	0.09 s	2021-02-25 07:28:37
9	Ryuki Kobayashi	0.09 s	2021-02-26 22:54:37
10	Yifei Liang	0.09 s	2021-02-26 22:56:19

#	User	Runtime	Date
1	Miorel Palii	0.13 s	2018-11-04 17:03:58
2	Thomas Feld	0.14 s	2023-02-28 15:07:07
3	Hidden user	0.14 s	2023-07-11 01:03:41

#	User	Runtime	Date
1	Jakub Jagiello	0.01 s	2020-07-11 14:00:08
2	Klas af Geijerstam	0.01 s	2020-07-11 15:41:14
3	Muhammad Rais Fathin Mudzakir	0.01 s	2021-05-29 20:01:21
4	Aram Ebtekar	0.04 s	2019-05-11 20:47:15

#	User	Length	Date
1	Chenzhang Hu	5	2024-04-16 16:03:26

#	User	Length	Date
1	Hidden user	226	2023-07-11 10:13:54
2	Hidden user	269	2020-05-03 18:19:06
3	Vance Go	369	2020-05-06 19:23:14
4	Hidden user	398	2023-01-04 16:55:00
5	Sambit Palit	457	2020-11-21 04:48:51
6	Miranda Henry	502	2019-09-26 20:08:02
7	Bergur Snorrason	1774	2019-11-22 08:58:57

#	User	Length	Date
1	Ahmed Hibet	272	2020-11-30 03:44:37
2	Taylor Bradshaw	290	2018-11-04 03:18:27
3	T1C WLP	290	2020-11-17 02:06:46
4	Hidden user	297	2020-05-03 18:16:54
5	Jenn Pang Chow	306	2018-11-14 14:53:30
6	Luka Heric	306	2023-05-14 12:04:46
7	Steven Deutekom	312	2020-03-03 04:22:41
8	Tan Amos	316	2021-04-28 10:04:01
9	Johan Wind	317	2018-11-07 20:09:51
10	James Fu	320	2021-03-23 12:04:13

#	User	Length	Date
1	Jinwoo Lee	507	2018-12-26 19:30:04
2	Norbert Voelker	1151	2021-12-12 19:43:18

#	User	Length	Date
1	Matthew Regehr	248	2018-11-23 23:34:44
2	Josh Coward	339	2022-01-02 21:22:52
3	Tim Put	468	2021-03-26 22:40:23
4	Brent Yorgey	830	2019-01-02 21:32:18

#	User	Length	Date
1	Sophia Khalis	384	2020-04-23 19:21:14
2	Caeden Whitaker	401	2020-07-07 01:29:37
3	Jacob Minder	416	2024-04-09 04:29:14
4	Josh Wozniak	433	2019-10-26 18:38:16
5	Fiona Barry	443	2019-10-27 00:28:19
6	Duncan Page	459	2019-10-14 23:33:17
7	Loi Phuc Nguyen	468	2023-08-30 04:19:06
8	Qianlang Chen	486	2019-11-24 00:50:11
9	Pedro Contipelli	497	2019-10-26 21:03:25
10	Matt Peter	515	2019-02-21 05:25:54

#	User	Length	Date
1	Bjørn Chr. Soltvedt	340	2019-03-01 13:09:11
2	Christian Cederquist	397	2023-05-30 02:28:09

#	User	Length	Date
1	Adam Rankin	515	2023-10-23 18:11:10
2	Adam Koprowski	605	2021-06-28 19:29:35
3	Nithin Chalapathi	1003	2018-11-03 20:21:21
4	Jacob Huebner	1138	2021-10-21 00:54:36
5	Nicholas Johnson	2249	2021-10-19 05:56:18

#	User	Length	Date
1	Greg Gorlen	427	2023-02-23 01:13:26

#	User	Length	Date
1	Andriy Zyevakov	714	2019-04-26 20:03:01

#	User	Length	Date
1	Thomas Feld	154	2019-10-16 16:27:56
2	Måns Magnusson	197	2018-11-08 23:08:17
3	Jesper Öqvist	215	2019-08-11 16:14:31
4	Andreas Björklund	234	2020-10-23 17:33:45
5	Agis Daniels	274	2020-03-14 16:07:11
6	Johan Lyts	274	2020-03-05 21:33:16
7	Maj Stenmark	376	2018-11-12 23:00:24
8	Hermon Mulat	393	2018-12-26 04:07:40
9	Yanmarshus Bachtiar	414	2020-11-23 02:49:39
10	Justin Siu	499	2019-03-23 22:03:32

#	User	Length	Date
1	Benjamin Z White	106	2023-04-21 13:44:08
2	Josip Smolcic	136	2018-11-06 07:41:18
3	Matteo D'Agostino	145	2022-10-13 00:11:15
4	Hidden user	147	2023-09-22 17:14:27
5	Lee Isaac	147	2023-05-12 11:06:31
6	Yong Mao	152	2022-12-02 03:37:20
7	Victor Zheng	153	2018-11-03 22:00:38
8	Hidden user	154	2024-01-19 17:25:10
9	Kevin Chen	155	2018-11-10 03:30:00
10	Prateek Bhakta	167	2019-10-26 20:49:18

#	User	Length	Date
1	Thomas Feld	64	2023-02-28 15:12:19
2	Hidden user	249	2023-07-11 01:03:41
3	Miorel Palii	273	2018-11-04 17:03:58

#	User	Length	Date
1	Klas af Geijerstam	726	2020-07-11 15:25:55
2	Aram Ebtekar	1225	2019-05-11 20:47:15
3	Jakub Jagiello	1237	2020-07-11 15:32:49
4	Muhammad Rais Fathin Mudzakir	4157	2021-05-29 20:00:28

Solution running time distribution