Problem W
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Submissions	18403
Accepted submissions	7826
Submission ratio	42.53%
Authors	7169
Accepted authors	6602
Author ratio	92.09%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2024-07-02 20:48:40

#	User	Runtime	Language	Date
1	Yuzhe Fan	0.02 s	C#	2013-07-02 10:12:29
2	masosz	0.02 s	C#	2015-02-08 16:13:13
3	Mads Storm Hansen	0.02 s	C#	2015-07-18 22:30:17
4	Jonas S	0.02 s	C#	2015-09-07 23:46:35
5	Taner Yavuz	0.02 s	C#	2015-09-20 13:53:09
6	Yuwono Bangun Nagoro	0.02 s	C#	2015-12-19 07:37:46
7	Alexander Guðmundsson	0.02 s	C#	2016-03-18 12:44:04
8	Khin Nyunt	0.02 s	C#	2016-04-17 05:36:16
9	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-04-29 22:35:02
10	Mohammad Sadeghi	0.02 s	C#	2016-07-14 01:25:44

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-09-12 17:11:35

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-10-11 21:41:35

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Fortran	2023-10-16 08:42:36

#	User	Runtime	Language	Date
1	Husain Satan	0.00 s	Go	2023-11-23 20:56:37
2	Nguyen Le Tai Duc (K17_CT)	0.00 s	Go	2024-03-11 12:21:58
3	n k	0.00 s	Go	2025-01-14 08:42:06
4	Siona Beaudoin	0.00 s	Go	2025-02-12 23:39:49
5	Hidden user	0.07 s	Go	2018-11-06 14:50:28
6	Eric Martin	0.07 s	Go	2018-12-30 16:41:00
7	Krzysztof Gibuła	0.07 s	Go	2019-03-14 20:57:38
8	Neal McCarthy	0.08 s	Go	2018-04-17 01:28:37
9	Conrad Parker	0.08 s	Go	2020-08-14 03:54:08
10	Hidden user	0.08 s	Go	2020-10-22 03:46:34

#	User	Runtime	Language	Date
1	Egor Kulikov	0.05 s	Java	2013-07-02 09:44:48
2	Vu Van Tan	0.05 s	Java	2013-07-02 19:13:55
3	Moisés Amezcua	0.05 s	Java	2013-07-02 21:53:56
4	Hidden user	0.05 s	Java	2014-03-30 21:06:46
5	Hidden user	0.05 s	Java	2014-06-27 22:36:19
6	Hidden user	0.05 s	Java	2014-07-20 05:40:31
7	Hidden user	0.05 s	Java	2015-05-26 12:47:45
8	Dennis Ang	0.05 s	Java	2015-09-24 11:42:54
9	Ben Smith	0.05 s	Java	2015-10-04 20:09:41
10	Kaitlyn Childers	0.05 s	Java	2015-10-04 20:12:03

#	User	Runtime	Language	Date
1	Aldo Luna Bueno	0.04 s	JavaScript (Node.js)	2024-11-15 18:51:35
2	Nicola Ye	0.04 s	JavaScript (Node.js)	2025-04-10 22:07:26
3	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-13 07:00:44
4	TEJA KUSUMA	0.05 s	JavaScript (Node.js)	2024-03-07 05:19:45
5	luna lovegood	0.06 s	JavaScript (Node.js)	2019-01-21 07:28:46
6	Samuel Högfeldt	0.09 s	JavaScript (Node.js)	2022-08-05 18:35:27
7	Niamh Limerick	0.09 s	JavaScript (Node.js)	2022-09-23 14:31:31
8	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-16 23:59:21
9	Hidden user	0.42 s	JavaScript (Node.js)	2020-09-15 05:50:15
10	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-01-30 22:27:23

#	User	Runtime	Language	Date
1	Anton Klarén	0.01 s	JavaScript (SpiderMonkey)	2014-09-04 21:10:20
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-23 00:35:44
3	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2016-01-02 03:09:31
4	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-01 15:24:11
5	Gabriel Lau	0.01 s	JavaScript (SpiderMonkey)	2016-03-30 05:12:36
6	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2016-08-03 06:05:54
7	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-08-03 07:14:43
8	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-10-27 10:47:34
9	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2017-06-05 15:41:06
10	Spencer Smith	0.01 s	JavaScript (SpiderMonkey)	2017-06-06 19:00:37

#	User	Runtime	Language	Date
1	Noszály Csaba	0.44 s	Julia	2025-02-23 12:13:55
2	Danny Robinson	0.57 s	Julia	2023-06-21 14:47:23
3	Timothy Gaede	0.62 s	Julia	2024-03-22 07:20:08

#	User	Runtime	Language	Date
1	Dayan Ruben Gonzalez	0.15 s	Kotlin	2020-09-28 17:27:18
2	Marcin Wiśniowski	0.16 s	Kotlin	2017-09-29 12:13:20
3	Neil Harmon	0.16 s	Kotlin	2019-04-26 09:43:36
4	Jacob Huebner	0.16 s	Kotlin	2020-03-17 05:15:09
5	James WIlliams	0.16 s	Kotlin	2020-08-31 05:16:41
6	Simon Lixenfeld	0.16 s	Kotlin	2021-06-14 12:00:45
7	Terairk	0.18 s	Kotlin	2023-11-27 01:53:08
8	Adam Koprowski	0.19 s	Kotlin	2020-09-11 17:37:55
9	Johnny Baloney	0.19 s	Kotlin	2021-09-06 10:29:18
10	Dmitry Shostak	0.20 s	Kotlin	2018-08-19 16:35:37

#	User	Runtime	Language	Date
1	Rafał Gwoździński	0.00 s	OCaml	2021-05-28 06:09:40
2	Yuanting Mao	0.00 s	OCaml	2023-08-01 01:34:48
3	Xiu-Heng Hua	0.00 s	OCaml	2024-12-14 16:47:06

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-06-03 22:24:40

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-07 09:48:53
2	David Connolly	0.00 s	Pascal	2017-10-10 18:24:36

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.01 s	PHP	2016-11-25 16:46:49
2	Silvena Lam	0.01 s	PHP	2017-07-05 19:34:02
3	Hidden user	0.01 s	PHP	2018-02-23 19:28:55
4	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-10-27 17:07:32
5	陳建宏	0.01 s	PHP	2021-05-14 19:34:58
6	Renate	0.01 s	PHP	2023-07-24 23:35:28

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-04-17 18:31:16
2	Andriy Zyevakov	0.01 s	Prolog	2017-07-16 20:36:13
3	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-19 08:36:41

#	User	Runtime	Language	Date
1	Egill Sveinbjörnsson	0.02 s	Python 2	2014-11-27 13:53:40
2	Ingibergur Sindri Stefnisson	0.02 s	Python 2	2014-11-30 19:14:45
3	Tore Norderud	0.02 s	Python 2	2014-12-25 14:16:16
4	Paulo Bu	0.02 s	Python 2	2015-02-02 14:20:58
5	Jonas Kylling	0.02 s	Python 2	2015-03-22 17:06:15
6	Christofer Ohlsson	0.02 s	Python 2	2015-03-30 23:27:04
7	Erik Odenman	0.02 s	Python 2	2015-05-14 23:46:08
8	Johannes Agestam	0.02 s	Python 2	2015-08-19 09:23:17
9	Johan Wind	0.02 s	Python 2	2015-09-16 21:21:47
10	Samuel Alexander Weise	0.02 s	Python 2	2015-10-04 20:48:48

#	User	Runtime	Language	Date
1	Vivek Rai	0.02 s	Python 3	2013-07-02 14:01:12
2	Brian Harrington	0.02 s	Python 3	2014-08-07 17:57:16
3	Abdul Derh	0.02 s	Python 3	2014-09-12 22:41:12
4	Graeme Bates	0.02 s	Python 3	2014-09-12 22:41:52
5	Changyu Bi	0.02 s	Python 3	2014-09-14 04:43:15
6	Shiqi Xiao	0.02 s	Python 3	2014-10-03 21:51:59
7	Einar Ágúst Árnason	0.02 s	Python 3	2014-11-29 01:08:17
8	Hlynur “Glitch” Óskar Guðmundsson	0.02 s	Python 3	2015-03-07 23:19:13
9	Adrien Coulier	0.02 s	Python 3	2015-03-22 11:14:21
10	Martin Stensgård	0.02 s	Python 3	2015-03-24 22:19:05

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-01-29 21:10:07
2	Gerry Hall	0.03 s	Ruby	2016-03-27 05:22:34
3	Lasse Berglund	0.03 s	Ruby	2016-04-01 11:00:53
4	Kellen Watt	0.03 s	Ruby	2016-07-07 03:48:33
5	Erik Rydbert	0.03 s	Ruby	2016-07-13 10:38:40
6	Hidden user	0.03 s	Ruby	2016-08-14 09:17:16
7	Kevin Suwala	0.03 s	Ruby	2017-01-07 03:41:00
8	Hassan Al-ubeidi	0.03 s	Ruby	2017-09-29 12:26:32
9	Hidden user	0.04 s	Ruby	2018-10-06 13:38:26
10	Savvas Alexandrou	0.04 s	Ruby	2019-01-12 12:34:07

#	User	Runtime	Language	Date
1	David Siemienas	0.00 s	Swift	2024-10-03 01:14:10

#	User	Runtime	Language	Date
1	Joe Blower	0.00 s	Zig	2025-05-23 02:52:41

#	User	Length	Language	Date
1	Sebastian Banert	682	Ada	2024-07-02 20:48:40

#	User	Length	Language	Date
1	Martin Blom	151	C	2024-01-06 16:48:48
2	Eduardo Núñez	155	C	2024-02-25 22:35:46
3	a_b__c	205	C	2021-02-02 16:35:02
4	Hidden user	305	C	2014-10-18 21:45:53
5	Hidden user	309	C	2018-10-04 00:24:08
6	Diego Souza	322	C	2013-07-02 17:14:55
7	Bai Yunwei	337	C	2018-02-04 09:23:41
8	Hidden user	345	C	2018-11-02 21:29:05
9	Johan Öhlin	349	C	2017-09-18 14:19:35
10	Andros Clarence Chen	356	C	2020-12-13 08:54:28

#	User	Length	Language	Date
1	Gregory Sinclair	241	C#	2023-11-18 17:04:38
2	Hidden user	360	C#	2024-07-30 21:34:40
3	Anthony Ye	427	C#	2023-04-30 18:24:11
4	Esty Crow	452	C#	2023-04-27 05:38:33
5	Göran Andersson	485	C#	2022-05-24 10:40:44
6	Gustav Junedahl	523	C#	2022-04-26 17:05:41
7	florist swe	544	C#	2024-12-07 02:23:05
8	Robert Low	560	C#	2016-07-16 01:26:05
9	Christian Sumares	562	C#	2020-02-29 08:47:30
10	Ali Aliev	599	C#	2022-03-10 10:41:37

#	User	Length	Language	Date
1	Hakan Kjellerstrand	166	C++	2025-02-18 12:31:45
2	Frans Meulenbroeks	174	C++	2024-09-30 17:40:57
3	Buste Alin	185	C++	2025-02-03 20:37:11
4	Tyler Fernando	190	C++	2022-11-05 13:33:58
5	Joash Ong	193	C++	2024-06-10 13:40:32
6	Brandon Zhang	223	C++	2022-06-20 04:18:04
7	Hidden user	230	C++	2025-01-22 21:53:31
8	Thái Phúc Tiến	260	C++	2024-11-05 12:25:56
9	Erallesa Putra Sandeni	267	C++	2016-01-28 04:34:19
10	30 0	269	C++	2023-10-29 08:10:21

#	User	Length	Language	Date
1	David Cawthon	521	Common Lisp	2020-09-12 17:11:35

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	719	F#	2022-10-11 21:41:35

#	User	Length	Language	Date
1	Hidden user	911	Fortran	2023-10-16 08:42:36

#	User	Length	Language	Date
1	Neal McCarthy	406	Go	2018-04-17 01:28:37
2	n k	429	Go	2025-01-14 08:42:06
3	Hidden user	473	Go	2018-11-06 14:50:28
4	Scott Dauer	490	Go	2020-04-09 22:33:54
5	Krzysztof Gibuła	506	Go	2019-03-14 20:57:38
6	Conrad Parker	553	Go	2020-08-14 03:54:08
7	Siona Beaudoin	571	Go	2025-02-12 23:39:49
8	Norbert Voelker	627	Go	2021-04-19 18:55:26
9	Hidden user	631	Go	2020-10-22 03:46:34
10	Hidden user	633	Go	2023-04-12 22:47:51

#	User	Length	Language	Date
1	Joakim Blikstad	241	Haskell	2015-05-29 20:17:13
2	Freek van Keulen	287	Haskell	2021-02-11 11:19:40
3	Sebastian Paaske Tørholm	315	Haskell	2017-01-26 21:47:30
4	Antony Lee	322	Haskell	2017-07-28 14:20:07
5	Md Akif Chowdhury	332	Haskell	2023-07-15 19:05:35
6	Matthew Gvasalia	334	Haskell	2023-04-17 17:36:34
7	Dario Vidas	339	Haskell	2015-11-27 18:28:17
8	Peter Deal	348	Haskell	2016-05-12 20:22:12
9	Hidden user	378	Haskell	2019-08-22 17:59:39
10	Lars Tveito	379	Haskell	2015-08-13 19:20:28

#	User	Length	Language	Date
1	Duncan Page	407	Java	2017-09-10 02:05:54
2	Russell Rivard	422	Java	2022-01-28 20:35:32
3	Ayoube Eddakhly	426	Java	2016-12-15 23:28:50
4	Tan Yee Jian	438	Java	2019-01-21 07:55:11
5	José Copas	438	Java	2020-02-11 21:54:52
6	Hidden user	439	Java	2016-11-04 22:21:13
7	Christopher Mc Laughlin	445	Java	2017-10-31 15:14:27
8	Andy Nguyen	448	Java	2025-01-22 17:32:34
9	Nanda Thant Sin	452	Java	2018-05-09 11:05:54
10	Gabriel Oliveira	453	Java	2019-05-17 22:40:20

#	User	Length	Language	Date
1	Hidden user	479	JavaScript (Node.js)	2020-09-15 05:50:15
2	Samuel Högfeldt	542	JavaScript (Node.js)	2022-08-05 18:35:27
3	addamove	555	JavaScript (Node.js)	2022-02-20 19:15:01
4	Howard Tin Chi Chan	565	JavaScript (Node.js)	2021-01-30 22:27:23
5	TEJA KUSUMA	610	JavaScript (Node.js)	2024-03-07 05:19:45
6	Nicola Ye	622	JavaScript (Node.js)	2025-04-10 22:07:26
7	Sander Hellesø	726	JavaScript (Node.js)	2019-04-13 07:00:44
8	Chris Wong	736	JavaScript (Node.js)	2021-02-16 23:59:21
9	Khin Nyunt	831	JavaScript (Node.js)	2021-12-06 16:12:28
10	Niamh Limerick	845	JavaScript (Node.js)	2022-09-23 14:31:31

#	User	Length	Language	Date
1	Jimmy Gustafsson	122	JavaScript (SpiderMonkey)	2024-07-21 12:40:46
2	Zach Tschetter	248	JavaScript (SpiderMonkey)	2023-05-03 00:22:25
3	Casey Smith	275	JavaScript (SpiderMonkey)	2019-05-28 20:11:27
4	Nguyễn Hùng Cường	279	JavaScript (SpiderMonkey)	2018-08-31 10:18:24
5	Davíð Helgason	281	JavaScript (SpiderMonkey)	2019-06-20 23:09:35
6	Gabriel Lau	289	JavaScript (SpiderMonkey)	2016-03-30 05:12:36
7	Bjørn Chr. Soltvedt	305	JavaScript (SpiderMonkey)	2016-02-01 15:24:11
8	Anton Klarén	306	JavaScript (SpiderMonkey)	2014-09-04 21:10:20
9	Peter Kedemo	318	JavaScript (SpiderMonkey)	2015-12-23 00:35:44
10	Tor Nordqvist	328	JavaScript (SpiderMonkey)	2016-10-27 10:47:34

#	User	Length	Language	Date
1	Danny Robinson	109	Julia	2023-06-21 14:47:23
2	Noszály Csaba	229	Julia	2025-02-23 12:13:55
3	Timothy Gaede	705	Julia	2024-03-22 07:20:08

#	User	Length	Language	Date
1	Phường Lên	274	Kotlin	2019-12-21 20:55:25
2	Adam Koprowski	306	Kotlin	2020-09-11 17:37:55
3	Troy Warmboe	338	Kotlin	2020-02-11 21:59:51
4	Simon Lixenfeld	352	Kotlin	2021-06-14 12:00:45
5	Dmitry Shostak	363	Kotlin	2018-08-19 16:40:57
6	Einar Kjellback	368	Kotlin	2019-12-14 12:31:16
7	Dayan Ruben Gonzalez	485	Kotlin	2020-09-28 17:27:18
8	Adam Rankin	545	Kotlin	2023-04-24 19:06:45
9	Johnny Baloney	568	Kotlin	2021-09-06 10:29:18
10	Zaw Myat	594	Kotlin	2024-01-22 18:50:58

#	User	Length	Language	Date
1	Yuanting Mao	447	OCaml	2023-08-01 01:34:48
2	Xiu-Heng Hua	505	OCaml	2024-12-14 16:47:06
3	Rafał Gwoździński	702	OCaml	2021-05-28 06:09:40

#	User	Length	Language	Date
1	Hidden user	547	Odin	2025-06-03 22:24:40

#	User	Length	Language	Date
1	Ingemar Ragnemalm	385	Pascal	2017-08-07 09:48:53
2	David Connolly	982	Pascal	2017-10-10 18:24:36

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	274	PHP	2019-10-27 17:07:32
2	Steven D. Wilson	293	PHP	2016-11-25 16:46:49
3	Renate	385	PHP	2023-07-24 23:35:28
4	Silvena Lam	435	PHP	2017-07-05 19:34:02
5	Hidden user	443	PHP	2018-02-23 19:28:55
6	陳建宏	740	PHP	2021-05-14 19:34:58

#	User	Length	Language	Date
1	Hakan Kjellerstrand	325	Prolog	2023-02-19 08:36:41
2	Andriy Zyevakov	494	Prolog	2017-07-16 20:36:13
3	Hadi Qovaizi	2531	Prolog	2016-04-17 18:31:16

#	User	Length	Language	Date
1	Thomas Feld	130	Python 2	2019-08-19 13:12:18
2	Erik Odenman	138	Python 2	2015-05-14 23:46:08
3	Jesper Öqvist	138	Python 2	2018-10-20 14:31:11
4	Eoin Davey	152	Python 2	2018-04-02 16:01:04
5	Jeff Robertson	154	Python 2	2017-11-16 00:24:18
6	Haggai Liu	155	Python 2	2017-01-10 09:03:11
7	Jonas Kylling	160	Python 2	2015-03-22 17:06:15
8	Fan Zhang	164	Python 2	2018-11-13 23:47:38
9	Tore Norderud	167	Python 2	2014-12-25 14:16:16
10	Johan Wind	170	Python 2	2015-09-16 21:21:47

#	User	Length	Language	Date
1	Clement Oh	95	Python 3	2023-07-25 13:21:10
2	Gustav Elmqvist	106	Python 3	2023-02-13 16:17:27
3	Peter Seely	118	Python 3	2024-02-23 23:58:49
4	Nguyên Khôi Đỗ	119	Python 3	2024-12-22 01:33:35
5	Charles Ancheta	120	Python 3	2023-03-25 10:43:53
6	Guk Yi Siong	124	Python 3	2024-05-13 15:08:18
7	Sean Malloy	126	Python 3	2023-01-11 20:48:04
8	JY Loh	128	Python 3	2022-12-04 18:13:15
9	Alexandre Douard	128	Python 3	2024-01-14 18:13:20
10	Ahmed Chamseddine	132	Python 3	2023-10-19 14:21:55

#	User	Length	Language	Date
1	Thomas Feld	69	Ruby	2023-02-17 14:06:29
2	Russell Ng	79	Ruby	2025-05-21 19:35:47
3	Hidden user	148	Ruby	2018-10-06 13:38:26
4	Kevin Suwala	155	Ruby	2017-01-07 03:41:00
5	Hidden user	161	Ruby	2019-03-04 12:25:31
6	Gerry Hall	167	Ruby	2016-03-27 05:22:34
7	Drew Wilson	169	Ruby	2023-05-31 21:13:33
8	Erik Rydbert	176	Ruby	2016-07-13 10:38:40
9	Olivia Bednar	182	Ruby	2019-11-13 21:12:19
10	Casper Christensen	184	Ruby	2016-01-29 21:10:07

#	User	Length	Language	Date
1	Vincent Lagerros	233	Rust	2024-09-30 14:39:49
2	Alexandr Last	423	Rust	2023-08-15 18:00:45
3	Hidden user	474	Rust	2018-11-06 14:37:52
4	Thobias Larsen	523	Rust	2023-01-28 14:24:20
5	Isak Jägberg	536	Rust	2019-08-18 18:45:59
6	Pankajkumar Patro	556	Rust	2024-10-15 17:13:04
7	Hidden user	578	Rust	2021-02-16 07:51:23
8	Laura Parkes	594	Rust	2022-08-26 21:34:05
9	Bas Dirks	642	Rust	2021-12-29 09:57:04
10	Mileta Mitrovic	699	Rust	2022-01-12 19:57:35

#	User	Length	Language	Date
1	David Siemienas	997	Swift	2024-10-03 01:14:10

#	User	Length	Language	Date
1	Joe Blower	1046	Zig	2025-05-23 02:52:41

Solution running time distribution