Problem V
0-1 Sequences — Problem Statistics

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Submissions	21757
Accepted submissions	3469
Submission ratio	15.94%
Authors	4436
Full solves [?]	2335
Full solve Ratio	52.64%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.12 s	Bash	2024-04-16 16:50:25

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2019-06-27 22:26:37
2	Kenneth Langedal	0.00 s	C	2022-12-08 16:54:31
3	Hjalti Isleifsson	0.00 s	C	2023-02-21 21:21:02
4	How Si Yu	0.01 s	C	2016-10-13 15:57:50
5	Hidden user	0.01 s	C	2016-10-14 08:08:15
6	Samuel Wrååk	0.01 s	C	2016-11-20 21:42:43
7	Bengt Werstén	0.01 s	C	2017-06-29 10:52:22
8	Riccardo Sven Risuleo	0.01 s	C	2017-07-21 08:23:00
9	李瀚杰	0.01 s	C	2017-08-04 11:27:28
10	John Paul Hanson	0.01 s	C	2017-09-19 17:14:36

#	User	Runtime	Language	Date
1	Anton Kuzin	0.03 s	C#	2022-04-18 17:39:20
2	Tom Hagelskjær	0.03 s	C#	2022-12-15 11:12:08
3	Klas Björkqvist	0.04 s	C#	2019-10-20 21:10:07
4	Sergei Blinov	0.04 s	C#	2020-05-20 12:35:02
5	Marcos Kirchner	0.04 s	C#	2021-07-28 01:15:20
6	Alexander Z.	0.04 s	C#	2022-07-02 18:41:10
7	Kasper Kabell	0.04 s	C#	2023-01-31 00:13:19
8	Patrik Blomqvist	0.05 s	C#	2017-01-26 10:27:25
9	Seyed Sadjad Mirtaqi	0.05 s	C#	2019-02-16 11:36:11
10	Andreas Hansson	0.05 s	C#	2019-03-08 12:01:54

#	User	Runtime	Language	Date
1	Daniel Remseth	0.00 s	C++	2025-10-17 16:15:20
2	Kuanze Ren	0.01 s	C++	2016-09-10 08:07:54
3	Zhengjie Xu	0.01 s	C++	2016-09-10 08:09:29
4	Zixiong Su	0.01 s	C++	2016-09-10 08:19:45
5	Hongchuan Sun	0.01 s	C++	2016-09-10 08:23:29
6	Weiming Liu	0.01 s	C++	2016-09-10 08:43:05
7	Shiyuan Zhang	0.01 s	C++	2016-09-10 09:05:52
8	Zongming Yin	0.01 s	C++	2016-09-10 09:22:45
9	Zhang Shaoang	0.01 s	C++	2016-09-10 09:25:56
10	Jiarui Luo	0.01 s	C++	2016-09-10 09:43:27

#	User	Runtime	Language	Date
1	云中客	0.14 s	Common Lisp	2019-10-11 17:59:06

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	F#	2025-11-18 10:54:18
2	Carl Kullman	0.09 s	F#	2025-11-03 07:53:08
3	Amor Zhao	0.10 s	F#	2025-10-14 18:22:15

#	User	Runtime	Language	Date
1	la123	0.02 s	Fortran	2025-03-26 16:56:04

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2023-03-16 00:41:25
2	Sergei Blinov	0.09 s	Go	2020-05-20 13:11:48
3	Kev Burns	0.09 s	Go	2021-06-25 07:44:38
4	Krzysztof Gibuła	0.09 s	Go	2022-04-11 01:10:06
5	Reuben	0.56 s	Go	2023-07-17 19:46:37
6	Kalle Johansson	0.56 s	Go	2023-09-27 17:11:33
7	Nicklas Østerberg	0.65 s	Go	2023-09-26 14:12:08
8	Austin Habedank	0.87 s	Go	2021-05-03 00:01:31

#	User	Runtime	Language	Date
1	Stevenald Buscemiton	0.02 s	Haskell	2024-09-01 04:49:21
2	Lars Corbijn	0.03 s	Haskell	2016-10-15 14:43:30
3	Juan Miguel Vilar	0.03 s	Haskell	2020-07-07 11:17:18
4	Aliaksey Artamonau	0.04 s	Haskell	2020-05-11 04:35:40
5	Udo Stenzel	0.04 s	Haskell	2022-06-11 17:54:17
6	Olle Eriksson	0.05 s	Haskell	2019-08-02 00:35:58
7	Thomas Almestad	0.05 s	Haskell	2020-04-02 23:23:25
8	Noa Torstensvik	0.07 s	Haskell	2023-01-03 22:25:21
9	How Si Wei	0.08 s	Haskell	2018-11-30 21:32:44
10	云中客	0.08 s	Haskell	2019-10-11 18:29:07

#	User	Runtime	Language	Date
1	Hà Minh Ngọc	0.06 s	Java	2016-12-13 09:24:05
2	Bjørn Dons	0.08 s	Java	2018-11-11 05:55:14
3	Roy van Rijn	0.08 s	Java	2024-11-22 17:31:55
4	Micah Stairs	0.09 s	Java	2016-09-21 02:10:13
5	Alex Coleman	0.09 s	Java	2018-10-17 03:50:21
6	Martijn Muijsers	0.10 s	Java	2016-11-02 15:24:57
7	Alan Evans	0.10 s	Java	2017-03-03 12:44:58
8	Måns Magnusson	0.10 s	Java	2017-03-27 19:34:14
9	Olav Røthe Bakken	0.10 s	Java	2017-10-19 12:15:49
10	Krystian Wojcicki	0.10 s	Java	2017-11-08 02:53:50

#	User	Runtime	Language	Date
1	Zaid Ghalioun	0.07 s	JavaScript (Node.js)	2025-12-09 20:55:10
2	Terrence Naldoza	0.08 s	JavaScript (Node.js)	2024-11-25 17:38:31
3	Brendan Sahli	0.11 s	JavaScript (Node.js)	2023-05-16 18:14:35
4	Shize Li	0.12 s	JavaScript (Node.js)	2023-03-17 01:13:29
5	Wiliam Giraldo	0.19 s	JavaScript (Node.js)	2023-04-20 14:11:19
6	Asyer	0.30 s	JavaScript (Node.js)	2025-12-08 07:35:08
7	Sabrine Shami Karanganwa	0.37 s	JavaScript (Node.js)	2025-10-08 18:19:02
8	Sergei Blinov	0.44 s	JavaScript (Node.js)	2020-05-20 12:00:27
9	Matzuka	0.45 s	JavaScript (Node.js)	2021-03-02 23:42:04

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-02-26 09:54:48
2	Sergei Blinov	0.08 s	JavaScript (SpiderMonkey)	2020-05-20 11:52:02
3	Aron Kornhall	0.12 s	JavaScript (SpiderMonkey)	2016-10-04 18:51:29

#	User	Runtime	Language	Date
1	Benjamin Ye	0.21 s	Kotlin	2022-02-10 04:35:11
2	Lam Gia Thuan	0.23 s	Kotlin	2017-11-07 02:57:14
3	Jacob Huebner	0.23 s	Kotlin	2021-05-11 08:19:26
4	Jonathan Soo	0.24 s	Kotlin	2020-01-26 08:46:59
5	Adam Rankin	0.32 s	Kotlin	2023-10-28 20:17:08
6	Lin Lee	0.34 s	Kotlin	2019-08-09 15:37:39
7	Dương Vũ Thụy Vy	0.35 s	Kotlin	2022-07-06 18:51:15
8	Mike Nguyen	0.39 s	Kotlin	2022-02-11 04:54:28

#	User	Runtime	Language	Date
1	Lin Lee	0.01 s	OCaml	2019-12-14 10:46:31
2	Shize Li	0.07 s	OCaml	2023-03-17 01:15:08
3	Ludovic Mignot	0.18 s	OCaml	2020-07-12 11:06:44

#	User	Runtime	Language	Date
1	Pedro Gaspar	0.09 s	PHP	2025-09-25 09:51:16
2	Valentin Gerbey	0.18 s	PHP	2017-08-28 22:55:24
3	姚锦铭	0.95 s	PHP	2016-11-21 19:11:34

#	User	Runtime	Language	Date
1	Ethan Arnold	0.04 s	Python 2	2017-01-09 16:04:31
2	Hidden user	0.04 s	Python 2	2017-04-13 15:21:56
3	Knut Anders Stokke	0.04 s	Python 2	2017-04-19 18:51:33
4	John Paul Hanson	0.04 s	Python 2	2017-09-21 21:54:10
5	Sigurður Jens Albertsson	0.04 s	Python 2	2017-11-07 22:10:37
6	Leonard Nguyen Schøyen	0.04 s	Python 2	2018-03-17 23:07:18
7	Bertrand Evertz	0.04 s	Python 2	2018-04-04 00:27:13
8	Yang Li	0.04 s	Python 2	2018-05-10 06:52:46
9	Advait Parulekar	0.04 s	Python 2	2018-05-24 06:00:11
10	Slava Chernoy	0.04 s	Python 2	2018-08-19 08:15:52

#	User	Runtime	Language	Date
1	Nathan Hu	0.05 s	Python 3	2024-09-06 04:59:32
2	Perry Weller (student)	0.05 s	Python 3	2024-09-11 05:03:49
3	Hrithick Chakraborty	0.05 s	Python 3	2024-10-02 00:20:45
4	Oliver Howe	0.05 s	Python 3	2024-10-16 06:51:23
5	Andrew Robbins	0.05 s	Python 3	2024-10-30 16:17:14
6	Donovan Lim	0.05 s	Python 3	2024-11-07 18:29:57
7	DaiwiK	0.05 s	Python 3	2024-11-10 22:32:06
8	Ole Vik Lysne	0.05 s	Python 3	2024-12-29 10:32:32
9	Moniza Shahid	0.05 s	Python 3	2025-01-09 12:45:45
10	Max	0.05 s	Python 3	2025-01-13 15:58:58

#	User	Runtime	Language	Date
1	Thomas Feld	0.08 s	Ruby	2024-01-30 14:18:57
2	Hidden user	0.23 s	Ruby	2022-12-10 05:36:13
3	Grant Harrell	0.30 s	Ruby	2024-12-06 17:15:26

#	User	Runtime	Language	Date
1	Benjamin Valpey	0.00 s	Rust	2023-05-19 19:32:01
2	Rio	0.00 s	Rust	2023-08-19 13:43:31
3	Vincent Lagerros	0.00 s	Rust	2025-06-05 00:25:25
4	Hidden user	0.01 s	Rust	2018-11-07 12:31:36
5	花井一輝	0.01 s	Rust	2018-11-20 10:29:41
6	Mathias Adam Møller	0.01 s	Rust	2019-06-24 21:41:51
7	Erik Funder Carstensen	0.01 s	Rust	2019-06-24 22:25:26
8	Christofer Nolander	0.01 s	Rust	2019-07-08 16:59:51
9	Lin Lee	0.01 s	Rust	2019-08-10 04:28:49
10	Mathias Svensson	0.01 s	Rust	2020-04-08 13:57:15

#	User	Runtime	Language	Date
1	Reuben	0.11 s	TypeScript	2023-07-17 19:11:13

#	User	Runtime	Language	Date
1	Brage Wiseth	0.01 s	Zig	2024-05-05 13:46:51
2	Aidan Boisvert	0.01 s	Zig	2024-11-26 02:19:05
3	Grettir Heimisson	0.01 s	Zig	2025-10-10 16:57:39

#	User	Length	Language	Date
1	Chenzhang Hu	1394	Bash	2024-04-16 16:50:25

#	User	Length	Language	Date
1	Lawry Sorenson	212	C	2022-12-15 01:56:46
2	Tree Librarian	467	C	2024-07-25 03:48:00
3	Reuben	497	C	2023-07-19 13:26:09
4	Elias Nodland	503	C	2019-07-28 14:50:10
5	Adrian Gugyin	606	C	2020-10-03 22:41:23
6	Tran Vu Hung (K18 CT)	640	C	2023-08-14 09:10:01
7	Shiyi Du	665	C	2018-10-21 23:08:23
8	Leonardo Gagliardoni	669	C	2021-11-22 14:46:33
9	Bengt Werstén	708	C	2017-06-29 10:52:22
10	Hidden user	715	C	2019-09-02 22:22:09

#	User	Length	Language	Date
1	Tom Hagelskjær	287	C#	2022-12-16 16:10:37
2	Sergei Blinov	882	C#	2020-05-20 12:35:02
3	Malthe Skovhus Pedersen	1015	C#	2025-11-19 00:12:08
4	Andreas Hansson	1109	C#	2019-03-08 12:01:54
5	Sano Gharzani	1156	C#	2023-09-10 12:30:25
6	Nicolas Enjalbert	1292	C#	2019-08-23 14:05:23
7	Alexander Z.	1305	C#	2022-07-02 18:41:10
8	Marcos Kirchner	1383	C#	2021-07-28 01:15:20
9	mustata_lui_dragnea	1401	C#	2020-10-21 08:10:07
10	Hakan Yurt	1446	C#	2023-03-29 14:24:42

#	User	Length	Language	Date
1	Lucas Ethington	289	C++	2024-03-25 00:56:36
2	Monlin Zhi	339	C++	2017-06-12 12:09:54
3	Christian Yongwhan Lim	345	C++	2023-06-02 23:17:39
4	anonymous	396	C++	2018-01-08 23:23:25
5	Đậu Huy Minh	397	C++	2022-10-16 17:21:25
6	Luca Cavalleri	411	C++	2018-03-01 10:30:38
7	Johan Wind	416	C++	2017-04-20 19:35:39
8	Hidden user	432	C++	2016-11-13 11:07:39
9	Georgios Iatrou	456	C++	2017-04-12 23:58:34
10	Jordan Lamkin	457	C++	2017-12-16 07:44:35

#	User	Length	Language	Date
1	云中客	1328	Common Lisp	2019-10-12 07:07:17

#	User	Length	Language	Date
1	Hidden user	549	F#	2025-11-18 00:41:35
2	Amor Zhao	719	F#	2025-10-14 18:22:15
3	Carl Kullman	1309	F#	2025-11-03 07:53:08

#	User	Length	Language	Date
1	la123	636	Fortran	2025-03-26 16:56:04

#	User	Length	Language	Date
1	Reuben	446	Go	2023-07-17 19:46:37
2	Kalle Johansson	469	Go	2023-09-27 17:11:33
3	Kev Burns	510	Go	2021-06-25 07:44:38
4	Sergei Blinov	620	Go	2020-05-20 13:11:48
5	Krzysztof Gibuła	639	Go	2022-04-11 01:10:06
6	Norbert Voelker	1362	Go	2023-03-16 01:02:58
7	Nicklas Østerberg	1375	Go	2023-09-26 14:12:08
8	Austin Habedank	1379	Go	2021-05-03 00:01:31

#	User	Length	Language	Date
1	Juan Miguel Vilar	162	Haskell	2023-07-30 13:01:58
2	Reuben	290	Haskell	2023-07-17 08:40:11
3	Noa Torstensvik	427	Haskell	2023-01-05 13:29:03
4	Hidden user	520	Haskell	2019-10-22 07:24:22
5	Olle Eriksson	546	Haskell	2019-08-02 00:35:58
6	Thomas Almestad	556	Haskell	2020-04-02 23:23:25
7	Stevenald Buscemiton	775	Haskell	2024-08-31 16:36:06
8	Brandon Mabey	823	Haskell	2017-06-27 21:31:41
9	Lars Corbijn	846	Haskell	2016-10-15 14:43:30
10	Aliaksey Artamonau	971	Haskell	2020-05-10 08:28:27

#	User	Length	Language	Date
1	Brennan Cleland	514	Java	2023-08-18 00:56:03
2	Shawn Zhong	604	Java	2017-09-10 22:11:49
3	Hidden user	636	Java	2018-10-26 23:38:18
4	Hidden user	682	Java	2023-11-02 02:00:32
5	Sam Zheng	683	Java	2021-10-29 03:21:44
6	Antony Lee	715	Java	2018-10-04 16:58:42
7	Martin Vatshelle	744	Java	2019-11-01 23:59:40
8	Michael Liu	748	Java	2018-05-20 21:54:58
9	KAMALISHREE R	751	Java	2025-04-26 14:10:27
10	Wei Shen Ooi	762	Java	2023-03-02 08:33:36

#	User	Length	Language	Date
1	Matzuka	555	JavaScript (Node.js)	2021-03-02 23:42:04
2	Sergei Blinov	687	JavaScript (Node.js)	2020-05-20 12:00:27
3	Shize Li	700	JavaScript (Node.js)	2023-03-17 01:13:29
4	Zaid Ghalioun	701	JavaScript (Node.js)	2025-12-09 20:55:10
5	Brendan Sahli	704	JavaScript (Node.js)	2023-05-16 18:14:35
6	Wiliam Giraldo	993	JavaScript (Node.js)	2023-04-20 14:11:19
7	Terrence Naldoza	1038	JavaScript (Node.js)	2024-11-25 17:38:31
8	Sabrine Shami Karanganwa	1256	JavaScript (Node.js)	2025-10-08 18:19:02
9	Asyer	1271	JavaScript (Node.js)	2025-12-08 07:35:08

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	411	JavaScript (SpiderMonkey)	2023-02-26 09:54:48
2	Sergei Blinov	487	JavaScript (SpiderMonkey)	2020-05-20 11:52:02
3	Aron Kornhall	1327	JavaScript (SpiderMonkey)	2016-10-04 18:51:29

#	User	Length	Language	Date
1	Dương Vũ Thụy Vy	523	Kotlin	2022-07-06 18:51:15
2	Adam Rankin	577	Kotlin	2023-10-28 20:17:08
3	Lin Lee	749	Kotlin	2019-08-09 15:37:39
4	Jacob Huebner	1233	Kotlin	2021-05-11 08:19:26
5	Mike Nguyen	2590	Kotlin	2022-02-11 04:54:28
6	Lam Gia Thuan	2619	Kotlin	2017-11-07 02:57:14
7	Benjamin Ye	4301	Kotlin	2022-02-10 04:35:11
8	Jonathan Soo	8612	Kotlin	2020-01-26 08:46:59

#	User	Length	Language	Date
1	Lin Lee	683	OCaml	2019-12-14 10:46:31
2	Ludovic Mignot	734	OCaml	2020-07-12 11:16:58
3	Shize Li	936	OCaml	2023-03-17 01:15:08

#	User	Length	Language	Date
1	姚锦铭	1017	PHP	2016-11-21 19:11:34
2	Pedro Gaspar	1647	PHP	2025-09-25 09:51:16
3	Valentin Gerbey	1744	PHP	2017-08-28 22:57:07

#	User	Length	Language	Date
1	Andreas Björklund	294	Python 2	2018-12-04 15:59:00
2	Hidden user	326	Python 2	2018-12-16 01:41:49
3	Andreas Eisele	329	Python 2	2018-08-30 17:56:09
4	Kevin Tang	339	Python 2	2019-10-23 23:45:33
5	Zander Thannhauser	341	Python 2	2018-09-17 01:03:46
6	John Paul Hanson	358	Python 2	2018-10-31 01:09:56
7	Riko Jacob	362	Python 2	2019-02-15 01:58:04
8	Sergei Blinov	373	Python 2	2020-05-19 12:25:19
9	Leonard Nguyen Schøyen	375	Python 2	2018-03-17 23:07:18
10	Anton Lyxell	378	Python 2	2019-11-16 13:04:27

#	User	Length	Language	Date
1	Loke Gustafsson	97	Python 3	2024-02-13 22:08:03
2	Nicholas Russell Saerang	108	Python 3	2023-07-09 10:31:20
3	Andres Felipe Garcia Sanchez	108	Python 3	2024-03-16 16:23:04
4	Suka Isnaini	108	Python 3	2024-05-19 10:30:19
5	Hong Yuan	110	Python 3	2023-09-01 11:28:52
6	Moh Jun Zhou	110	Python 3	2023-09-22 16:53:33
7	Denis Kevine Simost Sima Matha	110	Python 3	2023-10-29 19:20:41
8	Claudia Porto	110	Python 3	2023-11-17 23:49:38
9	Dante Romero Nava	110	Python 3	2024-01-22 16:28:33
10	DARWIN ARBEY PORTILLO RIVERA	110	Python 3	2024-03-09 16:38:09

#	User	Length	Language	Date
1	Thomas Feld	81	Ruby	2024-01-30 14:50:55
2	Hidden user	137	Ruby	2022-12-10 05:36:13
3	Grant Harrell	2107	Ruby	2024-12-06 17:15:26

#	User	Length	Language	Date
1	Mårten Nilsson	670	Rust	2021-03-22 16:31:50
2	George Kuzler	697	Rust	2020-12-19 17:56:52
3	Rio	736	Rust	2023-08-19 13:52:16
4	Petr Sabel	741	Rust	2023-09-29 06:10:15
5	Stevenald Buscemiton	760	Rust	2024-09-01 05:06:17
6	Vincent Lagerros	768	Rust	2025-06-05 00:24:35
7	Hidden user	799	Rust	2025-08-27 14:07:45
8	Philip Stanton	817	Rust	2023-02-22 23:38:19
9	Ishtiaq Hussain Naqi	840	Rust	2023-08-10 23:03:26
10	Lin Lee	859	Rust	2019-08-10 04:28:49

#	User	Length	Language	Date
1	Reuben	636	TypeScript	2023-07-17 19:11:13

#	User	Length	Language	Date
1	Brage Wiseth	875	Zig	2024-05-05 13:46:51
2	Aidan Boisvert	1074	Zig	2024-11-26 02:19:05
3	Grettir Heimisson	1843	Zig	2025-10-10 16:57:39

Solution running time distribution