Problem A
Bumper-To-Bumper Traffic — Problem Statistics

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Submissions	1827
Accepted submissions	558
Submission ratio	30.54%
Authors	458
Full solves [?]	375
Full solve Ratio	81.88%

#	User	Runtime	Language	Date
1	Agis Daniels	0.01 s	C	2020-08-05 18:05:08
2	Hidden user	0.01 s	C	2025-04-24 15:17:39
3	Josenildo Silva	0.02 s	C	2017-01-14 00:26:31
4	Martin Tran	0.02 s	C	2017-09-24 04:12:08
5	Anders Österberg	0.02 s	C	2017-09-24 19:15:50
6	Ivan Petrov	0.02 s	C	2019-08-06 14:06:51

#	User	Runtime	Language	Date
1	Piotr Karpala	0.03 s	C#	2016-11-08 01:05:49
2	Bryan Shiffman	0.08 s	C#	2016-11-08 14:34:26
3	Bryan Shiffman	0.08 s	C#	2016-11-08 14:35:13
4	Shantanu Sharma	0.08 s	C#	2025-10-18 21:01:44
5	Gregory Roderick	0.09 s	C#	2016-11-05 16:21:59
6	Baranov, Eugene	0.09 s	C#	2016-11-05 18:14:28
7	Doug Goodman	0.09 s	C#	2018-09-29 19:00:56
8	Liam Percy	0.09 s	C#	2018-09-29 19:22:13
9	Ilia Volkov	0.11 s	C#	2016-11-13 08:34:10
10	Стас Иванов	0.12 s	C#	2016-11-06 21:16:44

#	User	Runtime	Language	Date
1	Agis Daniels	0.01 s	C++	2017-04-02 22:58:48
2	Haonan Wu	0.01 s	C++	2017-10-28 22:05:50
3	Ludo Pulles	0.02 s	C++	2017-02-05 16:35:44
4	Tomas Lagland	0.02 s	C++	2017-05-06 08:52:57
5	Tianci Wang	0.02 s	C++	2017-05-28 17:15:00
6	Neal Zane	0.02 s	C++	2017-07-22 19:05:06
7	Luke Videckis	0.02 s	C++	2017-07-26 20:50:28
8	Hidden user	0.02 s	C++	2017-07-31 18:42:32
9	Robert Cummings	0.02 s	C++	2017-10-21 19:02:59
10	Neil Veira	0.02 s	C++	2017-10-21 19:44:22

#	User	Runtime	Language	Date
1	Stian	0.43 s	Haskell	2020-01-30 15:35:39

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.08 s	Java	2024-04-27 13:01:28
2	Bjørn Dons	0.15 s	Java	2023-06-20 21:52:11
3	Crystal Sharpe	0.16 s	Java	2020-09-14 04:31:47
4	Ruslan	0.16 s	Java	2023-01-14 11:30:30
5	Aldo Chow	0.21 s	Java	2017-10-28 20:53:22
6	Andrew Maczugowski	0.24 s	Java	2017-10-28 22:36:18
7	Kevin Chevalier	0.24 s	Java	2017-11-02 06:18:53
8	Finn Lidbetter	0.25 s	Java	2016-10-31 19:08:48
9	William Fiset	0.25 s	Java	2016-10-31 21:17:24
10	Micah Stairs	0.25 s	Java	2016-11-04 23:55:07

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.11 s	JavaScript (SpiderMonkey)	2024-02-08 08:15:37
2	Bjørn Chr. Soltvedt	0.29 s	JavaScript (SpiderMonkey)	2025-06-01 16:51:10

#	User	Runtime	Language	Date
1	Jacob Huebner	0.26 s	Kotlin	2021-06-07 21:12:24
2	Ditlef Alexander Diseth	0.38 s	Kotlin	2020-01-30 14:59:51
3	Hidden user	0.49 s	Kotlin	2017-11-12 03:38:24
4	Przemysław Curzytek	0.50 s	Kotlin	2017-11-12 03:19:14
5	Ellis Tsung	0.52 s	Kotlin	2018-10-04 03:40:57

#	User	Runtime	Language	Date
1	Evan Magill	0.06 s	OCaml	2023-09-26 19:39:07

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Python 2	2017-08-08 19:39:52
2	Andy Rock	0.07 s	Python 2	2017-10-21 19:23:06
3	Haochen Chen	0.07 s	Python 2	2017-10-28 21:58:12
4	Agis Daniels	0.08 s	Python 2	2017-03-17 22:10:24
5	Evgeniy Sharapov	0.09 s	Python 2	2016-11-05 20:53:59
6	Lars Åström	0.09 s	Python 2	2019-10-02 11:28:18
7	Rhys Rustad-Elliott	0.10 s	Python 2	2017-10-15 22:48:55
8	Måns Magnusson	0.12 s	Python 2	2018-11-12 23:36:42
9	Nathaniel Lahn	0.36 s	Python 2	2017-10-28 22:13:46

#	User	Runtime	Language	Date
1	Petr	0.09 s	Python 3	2025-05-21 21:09:53
2	Xiu-Heng Hua	0.10 s	Python 3	2023-02-04 23:19:20
3	Bastien Moron	0.10 s	Python 3	2023-02-05 18:42:54
4	Hidden user	0.10 s	Python 3	2023-07-17 16:09:23
5	Agis Daniels	0.11 s	Python 3	2020-11-08 23:08:39
6	Hidden user	0.11 s	Python 3	2021-11-19 17:18:16
7	Matias Frank Jensen	0.11 s	Python 3	2023-09-30 19:23:25
8	Isaac Erdman	0.11 s	Python 3	2024-10-28 06:24:39
9	Daniel Bogorad	0.11 s	Python 3	2025-07-11 00:28:22
10	Karina Elinborg Jonasdottir Strømmen	0.12 s	Python 3	2021-01-17 19:53:15

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-01-20 22:59:25

#	User	Length	Language	Date
1	Josenildo Silva	779	C	2017-01-14 00:26:31
2	Ivan Petrov	889	C	2019-08-06 14:06:51
3	Martin Tran	981	C	2017-09-24 04:12:08
4	Hidden user	1955	C	2025-04-24 15:15:15
5	Agis Daniels	3816	C	2020-08-05 18:05:08
6	Anders Österberg	4767	C	2017-09-24 21:12:54

#	User	Length	Language	Date
1	Doug Goodman	1691	C#	2018-09-29 19:00:56
2	Liam Percy	1693	C#	2018-09-29 19:22:13
3	Baranov, Eugene	2170	C#	2016-11-05 18:14:28
4	Shantanu Sharma	3630	C#	2025-10-18 21:01:44
5	Ilia Volkov	3875	C#	2016-11-13 08:34:10
6	Edvin Mako	4086	C#	2020-02-05 15:57:57
7	Ryan Ralph	5170	C#	2016-11-08 15:29:10
8	Стас Иванов	6573	C#	2016-11-06 21:16:44
9	Bryan Shiffman	6844	C#	2016-11-08 14:34:26
10	Bryan Shiffman	6844	C#	2016-11-08 14:35:13

#	User	Length	Language	Date
1	Hidden user	528	C++	2017-11-07 04:05:13
2	Gu Jin	681	C++	2017-10-28 21:33:32
3	Parsa Rahimian	697	C++	2017-03-26 16:20:02
4	Anish Kochhar	697	C++	2020-11-19 00:17:20
5	Markus Mathiasen	698	C++	2021-08-19 15:38:06
6	David Ludwig	720	C++	2017-10-29 23:48:18
7	Reine Reynoso	728	C++	2017-03-18 08:38:37
8	Hidden user	757	C++	2017-07-31 18:42:32
9	鹿目圆	765	C++	2019-06-20 16:14:05
10	Pu Chen	778	C++	2017-11-01 16:43:33

#	User	Length	Language	Date
1	Stian	1290	Haskell	2020-01-30 15:35:39

#	User	Length	Language	Date
1	John Hershey	629	Java	2023-09-28 20:10:28
2	Jiru Xu	980	Java	2017-10-28 23:47:09
3	Jay Honnold	1050	Java	2017-10-28 02:57:47
4	Ali Zarrini	1204	Java	2016-10-29 21:25:16
5	Micah Stairs	1213	Java	2016-11-04 23:55:07
6	Igor Durovic	1291	Java	2017-11-07 03:09:28
7	Sam Reinehr	1307	Java	2018-10-10 20:11:49
8	Doug Goodman	1350	Java	2017-09-09 19:16:22
9	Finn Lidbetter	1475	Java	2016-10-31 19:08:48
10	Peter Steele	1578	Java	2017-10-28 21:01:27

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	283	JavaScript (SpiderMonkey)	2025-06-01 16:51:10
2	Christian Pilegaard Cederquist	1216	JavaScript (SpiderMonkey)	2024-02-08 08:15:37

#	User	Length	Language	Date
1	Jacob Huebner	1988	Kotlin	2021-06-07 21:12:24
2	Ellis Tsung	3316	Kotlin	2018-10-04 03:40:57
3	Hidden user	4211	Kotlin	2017-11-12 02:55:18
4	Ditlef Alexander Diseth	4351	Kotlin	2020-01-30 14:59:51
5	Przemysław Curzytek	4551	Kotlin	2017-11-12 03:19:14

#	User	Length	Language	Date
1	Evan Magill	1261	OCaml	2023-09-26 19:39:07

#	User	Length	Language	Date
1	Lars Åström	694	Python 2	2019-10-02 11:28:18
2	Haochen Chen	846	Python 2	2017-10-28 21:58:12
3	Rhys Rustad-Elliott	874	Python 2	2017-10-15 22:48:55
4	Nathaniel Lahn	884	Python 2	2017-10-28 22:13:46
5	Måns Magnusson	917	Python 2	2018-11-12 23:36:42
6	Evgeniy Sharapov	1004	Python 2	2016-11-05 20:53:59
7	Andy Rock	1035	Python 2	2017-10-21 19:23:06
8	Hidden user	1188	Python 2	2017-08-08 19:39:52
9	Agis Daniels	2325	Python 2	2017-03-17 22:21:35

#	User	Length	Language	Date
1	Benjamin Ye	195	Python 3	2024-02-10 20:51:49
2	Anshuman Dash	341	Python 3	2024-01-24 06:14:30
3	Ahmed Siadomar	461	Python 3	2022-06-02 05:24:56
4	Daniel Bogorad	469	Python 3	2025-07-13 05:14:14
5	Paul Swingle	470	Python 3	2023-08-03 07:22:36
6	David Qiao	478	Python 3	2024-01-24 22:19:46
7	Kelly Dance	494	Python 3	2023-07-22 15:41:17
8	Nicholas Russell Saerang	531	Python 3	2024-05-30 12:47:51
9	Jai Uparkar	547	Python 3	2024-01-25 00:07:40
10	Isaac Erdman	548	Python 3	2024-10-28 06:24:39

#	User	Length	Language	Date
1	Vincent Lagerros	18375	Rust	2025-01-20 22:59:25

Solution running time distribution