Problem A
Left and Right — Problem Statistics

Back to problem description

Submissions	3167
Accepted submissions	1346
Submission ratio	42.50%
Authors	1360
Full solves [?]	1104
Full solve Ratio	81.18%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2024-04-14 11:21:35

#	User	Runtime	Language	Date
1	Yilun Wu	0.02 s	C	2018-10-06 19:23:05
2	Zach Deibert	0.02 s	C	2018-10-06 19:58:30
3	Xiating Ouyang	0.02 s	C	2018-10-06 20:07:16
4	Alice Li	0.02 s	C	2018-10-06 20:19:20
5	Ryan Looney	0.02 s	C	2018-10-06 22:36:51
6	Laurence Liu	0.02 s	C	2018-10-07 01:03:29
7	David Hinschberger	0.02 s	C	2018-11-08 03:27:56
8	SiBi	0.02 s	C	2019-05-04 08:34:17
9	Ivan Petrov	0.02 s	C	2019-07-25 08:27:03
10	Marko Grabas	0.02 s	C	2019-11-16 16:48:56

#	User	Runtime	Language	Date
1	traxex	0.65 s	C#	2024-05-27 10:22:54

#	User	Runtime	Language	Date
1	Edward Xu	0.01 s	C++	2018-10-06 18:25:09
2	Brandon Zhang	0.01 s	C++	2018-10-06 18:45:24
3	Sam Henry	0.01 s	C++	2018-10-06 18:54:06
4	Wesley Leung	0.01 s	C++	2018-10-06 18:55:15
5	Jeffrey Zhang	0.01 s	C++	2018-10-06 18:56:47
6	Sixian Yu	0.01 s	C++	2018-10-06 19:11:16
7	Fan Zhang	0.01 s	C++	2018-10-06 19:11:41
8	David Berard	0.01 s	C++	2018-10-06 19:20:04
9	Aldo Chow	0.01 s	C++	2018-10-06 19:22:03
10	Amit Bhat	0.01 s	C++	2018-10-06 19:26:02

#	User	Runtime	Language	Date
1	Norbert Voelker	0.52 s	Go	2021-12-02 23:20:22

#	User	Runtime	Language	Date
1	Matthew Craven	0.07 s	Haskell	2018-10-06 19:10:13
2	Steinar Simonnes	0.07 s	Haskell	2025-02-07 12:57:44
3	Hidden user	0.09 s	Haskell	2022-08-16 22:39:29
4	Hidden user	0.11 s	Haskell	2023-08-23 00:18:52

#	User	Runtime	Language	Date
1	Bjørn Dons	0.16 s	Java	2018-10-08 23:07:32
2	James Black	0.17 s	Java	2018-10-06 19:10:05
3	Nguyễn Hùng Cường	0.18 s	Java	2018-10-12 09:53:53
4	Crystal Sharpe	0.19 s	Java	2020-08-21 16:29:07
5	Finn Lidbetter	0.20 s	Java	2018-10-06 18:54:57
6	Ariana Herbst	0.20 s	Java	2018-10-06 18:55:08
7	Aarav Singh	0.21 s	Java	2018-10-06 19:13:50
8	Daniel Moyer	0.21 s	Java	2018-10-06 19:21:20
9	Alyssa Herbst	0.21 s	Java	2018-10-06 20:26:46
10	Sam Reinehr	0.21 s	Java	2018-10-09 19:52:15

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-06-11 10:24:45
2	Bjørn Chr. Soltvedt	0.26 s	JavaScript (SpiderMonkey)	2018-11-05 00:59:20

#	User	Runtime	Language	Date
1	Jacob Huebner	0.29 s	Kotlin	2020-04-20 19:34:41
2	Adam Rankin	0.44 s	Kotlin	2023-09-14 00:35:48
3	Marcus Stojcevich	0.95 s	Kotlin	2018-10-06 19:12:00

#	User	Runtime	Language	Date
1	Carlos Joa	0.06 s	Python 2	2019-02-09 22:04:12
2	Lars Åström	0.06 s	Python 2	2019-10-09 16:01:43
3	Björn Magnusson	0.07 s	Python 2	2018-10-09 18:35:49
4	Herman Karlsson	0.07 s	Python 2	2018-10-23 14:05:00
5	Zhilin Jiang	0.08 s	Python 2	2018-10-06 18:43:06
6	Xiao Xin	0.08 s	Python 2	2018-10-06 19:04:26
7	Hidden user	0.08 s	Python 2	2018-10-06 19:15:30
8	Connor Prisby	0.08 s	Python 2	2018-10-06 20:13:37
9	Son Tran	0.08 s	Python 2	2018-10-06 20:38:05
10	Davis Zhang	0.08 s	Python 2	2018-10-06 21:19:55

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Python 3	2024-12-22 15:32:06
2	Hulacorn W	0.07 s	Python 3	2025-02-15 20:00:41
3	Pia Tominec	0.07 s	Python 3	2025-05-03 15:18:21
4	Hidden user	0.07 s	Python 3	2025-07-26 04:26:40
5	Jiaming Kong	0.07 s	Python 3	2025-08-07 06:45:04
6	Hidden user	0.08 s	Python 3	2022-10-26 11:47:38
7	Anish Bahl	0.08 s	Python 3	2023-02-24 19:17:44
8	Muskan Nehra	0.08 s	Python 3	2023-02-24 19:41:04
9	Hyundoo Jeong	0.08 s	Python 3	2023-02-24 20:21:49
10	Gabriel Mena	0.08 s	Python 3	2023-02-24 20:53:23

#	User	Runtime	Language	Date
1	Thomas Feld	0.16 s	Ruby	2023-03-29 10:17:22
2	Miorel Palii	0.21 s	Ruby	2022-03-19 10:16:57

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-06-05 19:31:43
2	Petr Sabel	0.22 s	Rust	2023-09-25 09:01:32

#	User	Length	Language	Date
1	Chenzhang Hu	610	Bash	2024-04-14 11:21:35

#	User	Length	Language	Date
1	Laurence Liu	277	C	2018-10-13 05:42:52
2	Ivan Petrov	286	C	2019-07-25 08:27:03
3	Alice Li	375	C	2018-10-06 20:19:20
4	Zach Deibert	394	C	2018-10-06 19:58:30
5	Yilun Wu	404	C	2018-10-06 19:23:05
6	Dominik Stolz	648	C	2019-11-23 00:18:35
7	David Hinschberger	785	C	2018-11-08 03:35:56
8	Hidden user	867	C	2023-04-14 20:27:00
9	Minhajur Rahman	869	C	2021-07-17 17:49:13
10	Sarah Odigie	869	C	2023-02-24 21:06:38

#	User	Length	Language	Date
1	traxex	1204	C#	2024-05-27 10:22:54

#	User	Length	Language	Date
1	a_b__c	179	C++	2021-03-08 17:47:37
2	Zheng Wang	276	C++	2018-10-06 18:31:09
3	人外沙耶	295	C++	2023-12-20 07:58:20
4	Felix Halim	328	C++	2019-12-28 07:44:30
5	Prabowo Djonatan	333	C++	2018-10-24 15:11:20
6	Dominic Sagen	341	C++	2023-03-11 23:53:31
7	Yen-Hsiang Chang	346	C++	2019-09-26 01:09:14
8	Hidden user	348	C++	2018-10-06 21:59:59
9	Lim Hong Hui Eugene	356	C++	2019-04-10 08:23:43
10	Charly Ruvalcaba Serrano	357	C++	2018-10-06 19:55:26

#	User	Length	Language	Date
1	Norbert Voelker	4296	Go	2021-12-02 23:20:22

#	User	Length	Language	Date
1	Matthew Craven	265	Haskell	2018-10-06 19:10:13
2	Steinar Simonnes	394	Haskell	2025-02-07 12:57:44
3	Hidden user	796	Haskell	2023-08-23 00:18:52
4	Hidden user	1028	Haskell	2022-08-16 22:53:23

#	User	Length	Language	Date
1	Shang-En Huang	428	Java	2022-09-28 18:11:21
2	Natalie Longtin	431	Java	2018-10-06 20:15:39
3	Steve Tate	491	Java	2018-10-06 18:45:25
4	Duncan Page	495	Java	2018-10-06 20:10:13
5	Jiasheng Hu	547	Java	2018-10-06 18:37:50
6	Malte Larsson	547	Java	2018-10-09 18:24:25
7	Natalie Longtin	574	Java	2019-01-17 21:55:10
8	Leslie Yip	585	Java	2023-06-26 04:10:28
9	Grace McClurg	607	Java	2021-02-06 23:21:49
10	John Edwards	609	Java	2018-10-06 20:17:18

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	357	JavaScript (SpiderMonkey)	2023-06-11 10:23:16
2	Bjørn Chr. Soltvedt	358	JavaScript (SpiderMonkey)	2018-11-05 01:00:29

#	User	Length	Language	Date
1	Adam Rankin	570	Kotlin	2023-09-14 00:35:48
2	Jacob Huebner	680	Kotlin	2020-04-20 19:34:41
3	Marcus Stojcevich	1542	Kotlin	2018-10-06 19:12:00

#	User	Length	Language	Date
1	John Paul Hanson	190	Python 2	2018-10-20 03:03:03
2	Thomas Feld	245	Python 2	2020-06-22 10:42:50
3	Herman Karlsson	271	Python 2	2018-10-23 14:05:00
4	Godmar Back	279	Python 2	2018-10-07 15:16:27
5	Zhilin Jiang	314	Python 2	2018-10-06 18:43:06
6	David Hou	315	Python 2	2018-10-11 07:59:28
7	Dean Ouellette	317	Python 2	2018-10-06 21:51:45
8	Andreas Björklund	324	Python 2	2020-03-11 18:27:38
9	Xiao Xin	329	Python 2	2018-10-06 19:04:26
10	Lars Åström	343	Python 2	2019-10-09 16:01:43

#	User	Length	Language	Date
1	Thomas Feld	82	Python 3	2023-06-21 10:25:05
2	Benjamin Z White	85	Python 3	2023-05-30 17:18:01
3	Peter Stauder	145	Python 3	2023-02-10 20:20:44
4	Ryan Farrell	162	Python 3	2023-08-23 22:54:49
5	Kelly Dance	169	Python 3	2023-09-16 18:52:51
6	Hidden user	177	Python 3	2018-10-06 18:51:11
7	Nicholas Frizzell	185	Python 3	2022-01-29 21:43:37
8	mike	194	Python 3	2023-02-21 15:58:10
9	Roddy MacCrimmon	198	Python 3	2018-10-06 20:42:04
10	Herbert Ilhan Tanujaya	199	Python 3	2019-01-02 04:39:16

#	User	Length	Language	Date
1	Thomas Feld	65	Ruby	2023-06-21 10:35:26
2	Miorel Palii	224	Ruby	2022-03-19 10:11:02

#	User	Length	Language	Date
1	Petr Sabel	851	Rust	2023-09-25 09:01:32
2	Vincent Lagerros	58346	Rust	2025-06-05 17:25:30

Solution running time distribution