Problem D
Toilet Seat — Problem Statistics

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Submissions	8576
Accepted submissions	3502
Submission ratio	40.83%
Authors	3526
Full solves [?]	3101
Full solve Ratio	87.95%

#	User	Runtime	Language	Date
1	Johan Grahn	0.01 s	C#	2015-04-27 23:03:22
2	Mạnh Hoàn	0.01 s	C#	2016-06-24 05:58:51
3	Faisal Rahman	0.01 s	C#	2017-11-28 01:56:07
4	Sampath Vuyyuru	0.02 s	C#	2014-10-03 04:13:05
5	masosz	0.02 s	C#	2015-01-24 11:06:59
6	Siddartha Peteti	0.02 s	C#	2015-04-12 07:59:27
7	krachera	0.02 s	C#	2015-04-28 15:40:59
8	Charles Bublies	0.02 s	C#	2015-05-03 21:49:13
9	Ronnie Sunde	0.02 s	C#	2015-06-30 11:50:28
10	Christopher Daly	0.02 s	C#	2015-07-15 19:44:18

#	User	Runtime	Language	Date
1	Timothy Bilik	0.00 s	Common Lisp	2022-09-17 18:10:32

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2023-01-14 14:27:36

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-11-19 21:33:49
2	Aloysius Lee	0.02 s	Go	2020-05-07 17:00:52
3	Krzysztof Gibuła	0.07 s	Go	2019-01-20 13:04:05
4	Markus Takalo	0.07 s	Go	2019-04-27 08:50:52
5	Scott Dauer	0.07 s	Go	2020-09-11 19:06:46
6	Norbert Voelker	0.07 s	Go	2021-07-04 23:12:59
7	Việt Hà Nguyễn	0.08 s	Go	2016-06-19 02:28:28
8	Hidden user	0.08 s	Go	2016-09-16 11:40:41
9	Hidden user	0.08 s	Go	2016-12-05 09:13:40
10	Anthony Alves	0.08 s	Go	2017-01-22 03:40:38

#	User	Runtime	Language	Date
1	Stephen Atwood	0.04 s	Java	2025-07-16 19:41:34
2	Hidden user	0.05 s	Java	2014-02-17 10:30:52
3	Mattias Scherer	0.05 s	Java	2014-12-30 13:49:57
4	Jimmy Mårdell	0.05 s	Java	2015-01-03 22:52:34
5	Shobhit Kumar	0.05 s	Java	2015-04-02 16:51:49
6	Per Odlo	0.05 s	Java	2015-04-18 10:41:52
7	Sanira Chathuranga	0.05 s	Java	2015-05-19 12:54:28
8	Mostafa Hany Gomaa	0.05 s	Java	2015-05-21 22:08:36
9	Johan Lindkvist	0.05 s	Java	2015-06-06 13:27:11
10	Miles Stevenson	0.05 s	Java	2015-06-27 04:14:47

#	User	Runtime	Language	Date
1	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-05-04 04:58:07
2	Hans Bjerndell	0.05 s	JavaScript (Node.js)	2019-06-12 21:14:22
3	Gert Lenaerts	0.42 s	JavaScript (Node.js)	2020-05-07 17:08:18
4	Hidden user	0.42 s	JavaScript (Node.js)	2020-12-30 11:14:31
5	Bart Louwers	0.42 s	JavaScript (Node.js)	2022-02-06 20:34:31
6	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-04-22 17:08:53

#	User	Runtime	Language	Date
1	Markus N	0.01 s	JavaScript (SpiderMonkey)	2015-11-10 23:16:27
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-27 14:57:12
3	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2016-01-08 17:19:44
4	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-08 14:44:23
5	Ryan Huang	0.01 s	JavaScript (SpiderMonkey)	2016-02-24 06:05:41
6	Daniel Johansson	0.01 s	JavaScript (SpiderMonkey)	2016-03-02 19:06:46
7	Bikash Subba	0.01 s	JavaScript (SpiderMonkey)	2016-03-25 15:51:53
8	Miguel Ehrstrand	0.01 s	JavaScript (SpiderMonkey)	2016-10-01 21:43:00
9	Cole Rauh	0.01 s	JavaScript (SpiderMonkey)	2016-10-07 18:13:41
10	Tom	0.01 s	JavaScript (SpiderMonkey)	2016-10-13 19:11:17

#	User	Runtime	Language	Date
1	Timothy Gaede	0.56 s	Julia	2024-05-21 06:40:54

#	User	Runtime	Language	Date
1	Johnny Baloney	0.11 s	Kotlin	2021-12-03 20:14:48
2	Dmitry Shostak	0.17 s	Kotlin	2018-08-22 16:53:10
3	Matt Iverson	0.18 s	Kotlin	2018-11-03 01:46:11
4	Neil Harmon	0.18 s	Kotlin	2019-07-29 07:29:13
5	Sergey Jakobsen	0.18 s	Kotlin	2021-03-13 11:19:38
6	Adam Rankin	0.18 s	Kotlin	2023-08-25 22:12:40
7	Ravisai Tiruvuri	0.18 s	Kotlin	2024-03-22 06:16:46
8	Mohsen Dehbashi	0.20 s	Kotlin	2022-02-04 12:07:41
9	Jacob Huebner	0.22 s	Kotlin	2020-04-13 03:58:58
10	Chris Johnson	0.22 s	Kotlin	2024-10-11 20:32:27

#	User	Runtime	Language	Date
1	Nguyen Hoang Trung	0.00 s	Pascal	2017-06-17 07:59:46
2	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-17 12:47:47

#	User	Runtime	Language	Date
1	Martin Dibakar Björling	0.01 s	PHP	2015-11-24 21:15:49
2	Silvena Lam	0.01 s	PHP	2016-02-11 14:27:46
3	Andreas Rost	0.01 s	PHP	2016-03-09 12:37:06
4	Morten Mehus	0.01 s	PHP	2017-09-13 14:42:24
5	Susanne Ragnemalm	0.01 s	PHP	2018-04-24 00:20:11
6	Milton Blaesild	0.01 s	PHP	2019-03-14 13:51:57

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.18 s	Prolog	2018-12-02 10:14:42

#	User	Runtime	Language	Date
1	Alex Meade	0.02 s	Python 2	2013-10-11 21:02:44
2	Jacob Wejendorp	0.02 s	Python 2	2014-12-27 00:29:02
3	Johan Wind	0.02 s	Python 2	2015-09-17 10:28:06
4	Paweł Kordowski	0.02 s	Python 2	2015-11-29 10:40:44
5	Alvaro Silvino	0.02 s	Python 2	2016-05-09 13:37:28
6	Daniel Strizhevsky	0.02 s	Python 2	2017-06-09 06:06:24
7	Godmar Back	0.03 s	Python 2	2013-10-12 16:59:44
8	Egill Sveinbjörnsson	0.03 s	Python 2	2014-12-01 11:39:23
9	Ingibergur Sindri Stefnisson	0.03 s	Python 2	2014-12-02 07:19:26
10	Paulo Bu	0.03 s	Python 2	2015-02-05 20:47:05

#	User	Runtime	Language	Date
1	Andri Már Sigurðsson	0.02 s	Python 3	2014-12-01 11:31:55
2	Georg Styrmir Rúnarsson	0.02 s	Python 3	2014-12-01 17:49:55
3	Davíð Guðni Halldórsson	0.02 s	Python 3	2014-12-01 17:58:58
4	Martin Stensgård	0.02 s	Python 3	2015-03-24 23:09:45
5	Sondre Tharaldsen	0.02 s	Python 3	2015-04-18 11:18:10
6	James Elías Sigurðarson	0.02 s	Python 3	2015-05-31 20:42:07
7	Johannes Agestam	0.02 s	Python 3	2015-06-15 14:32:55
8	John William O'Rourke	0.02 s	Python 3	2015-07-03 05:19:01
9	Fredrik Carlsen	0.02 s	Python 3	2015-07-24 20:51:30
10	Baldur Tryggvason	0.02 s	Python 3	2015-08-05 23:59:45

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-01-25 15:45:54
2	Karl Litterfeldt	0.03 s	Ruby	2016-03-02 18:15:54
3	Erik Rydbert	0.03 s	Ruby	2016-07-14 03:44:49
4	Sebastian Craig	0.03 s	Ruby	2016-10-12 20:21:16
5	Kevin Suwala	0.03 s	Ruby	2017-01-13 03:40:28
6	Matthew Clemons	0.03 s	Ruby	2017-05-18 17:22:00
7	Zohar Malamant	0.03 s	Ruby	2017-09-13 16:11:29
8	Hidden user	0.05 s	Ruby	2018-10-23 18:52:53
9	Rosa Gutierrez	0.05 s	Ruby	2022-05-01 18:40:08
10	Thomas Feld	0.06 s	Ruby	2023-03-30 12:39:24

#	User	Length	Language	Date
1	Thibault Raffaillac	311	C	2016-11-14 17:49:46
2	Sura Hasith	448	C	2017-04-22 13:36:46
3	Duong Luc	480	C	2016-09-10 15:24:47
4	Anton Haglund	493	C	2016-11-21 19:42:01
5	Oskar	518	C	2019-08-28 12:21:16
6	Raymond Yang	528	C	2021-08-29 00:24:37
7	Hidden user	537	C	2023-04-20 12:38:34
8	Diaa Jad	557	C	2015-04-18 11:22:12
9	Victor Carrillo	564	C	2018-02-24 07:02:59
10	Hồng Trần	584	C	2016-06-30 05:41:41

#	User	Length	Language	Date
1	李陆屿	619	C#	2019-05-15 13:15:38
2	Göran Andersson	646	C#	2022-05-20 23:02:52
3	Doug Goodman	827	C#	2018-06-29 21:17:11
4	Liam Percy	895	C#	2018-09-26 23:14:54
5	Ahmad Barhamje	920	C#	2022-12-03 12:38:16
6	Thomas Norris	936	C#	2019-06-25 03:03:01
7	Tai-Yuan Kuo	941	C#	2020-03-03 12:38:25
8	Duy Khánh	942	C#	2016-06-15 08:18:22
9	Nguyễn Việt Khánh	982	C#	2016-06-25 17:27:41
10	Brian Scott	1017	C#	2018-09-21 19:37:30

#	User	Length	Language	Date
1	Brandon Zhang	326	C++	2022-07-01 22:00:32
2	Michele Ghilardi	342	C++	2021-11-15 17:05:48
3	Antonio Molina Lovett	353	C++	2016-08-07 09:10:57
4	Yat Tin Lau	366	C++	2015-05-06 01:50:12
5	Herman Karlsson	373	C++	2015-06-18 10:08:29
6	Gabriel Gomez	379	C++	2025-04-11 20:48:46
7	VT Huong	380	C++	2016-06-18 11:59:06
8	Ve Pham	380	C++	2016-06-19 05:00:15
9	Phóng Nguyễn Huy	380	C++	2016-09-09 00:08:38
10	Phạm Minh Tuấn	380	C++	2016-09-11 03:32:38

#	User	Length	Language	Date
1	Timothy Bilik	589	Common Lisp	2022-09-17 18:10:32

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1071	F#	2023-01-14 14:38:36

#	User	Length	Language	Date
1	Ainun Nazieb	515	Go	2020-09-24 18:21:33
2	Norbert Voelker	560	Go	2021-07-04 23:12:59
3	Việt Hà Nguyễn	664	Go	2016-06-19 02:28:28
4	Nathan Lee	690	Go	2025-11-19 21:33:49
5	Krzysztof Gibuła	705	Go	2019-01-20 13:04:05
6	Aloysius Lee	739	Go	2020-05-07 17:00:52
7	Ian Howell	767	Go	2017-01-26 03:05:17
8	Hidden user	778	Go	2016-12-05 09:13:40
9	Anthony Alves	884	Go	2017-01-22 03:40:38
10	Scott Dauer	888	Go	2020-09-11 19:06:46

#	User	Length	Language	Date
1	Chen Xu	363	Haskell	2019-08-24 22:21:06
2	Birk Tjelmeland	375	Haskell	2017-12-26 14:35:22
3	Anthony Clark	460	Haskell	2017-04-06 13:39:29
4	Jan Hlavacek	467	Haskell	2017-01-03 17:02:38
5	Li Jun	515	Haskell	2023-06-27 17:38:55
6	Steinar Simonnes	564	Haskell	2024-05-27 09:05:24
7	Imre Kerr	605	Haskell	2015-04-18 12:27:19
8	Olle Eriksson	675	Haskell	2018-06-19 18:30:51
9	Matthew Gvasalia	788	Haskell	2023-08-04 16:06:42
10	Jan Hrček	840	Haskell	2021-12-18 14:50:40

#	User	Length	Language	Date
1	Emilie Hyslop	560	Java	2020-12-15 23:05:16
2	Kurtis Van Gent	561	Java	2016-02-23 15:56:56
3	Andrew Eveld	596	Java	2020-01-30 02:22:36
4	Natalie Axelsson	603	Java	2017-06-14 16:18:30
5	Stephen Royal	616	Java	2015-08-18 15:07:00
6	Mikael Hanssen	628	Java	2017-09-13 15:16:50
7	Mouhssine Assaoud	633	Java	2017-01-05 14:14:40
8	Ulrich Johan Isachsen	636	Java	2015-04-18 10:32:19
9	Frank Ruskey	637	Java	2017-01-04 00:11:24
10	Gustavo Aguiar	665	Java	2017-04-10 19:23:50

#	User	Length	Language	Date
1	Hans Bjerndell	892	JavaScript (Node.js)	2019-06-12 21:14:22
2	Gert Lenaerts	979	JavaScript (Node.js)	2020-05-07 17:08:18
3	Bart Louwers	1224	JavaScript (Node.js)	2022-02-06 20:34:31
4	Niamh Limerick	1290	JavaScript (Node.js)	2022-04-22 17:08:53
5	Sander Hellesø	1486	JavaScript (Node.js)	2019-05-04 04:58:07
6	Hidden user	1815	JavaScript (Node.js)	2020-12-30 11:14:31

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	193	JavaScript (SpiderMonkey)	2016-02-08 15:35:11
2	Christian Pilegaard Cederquist	529	JavaScript (SpiderMonkey)	2023-02-05 09:16:29
3	Markus N	556	JavaScript (SpiderMonkey)	2015-11-10 23:49:25
4	David Trång	575	JavaScript (SpiderMonkey)	2017-11-26 21:22:15
5	Miguel Ehrstrand	576	JavaScript (SpiderMonkey)	2016-10-01 21:43:00
6	Ryan Huang	579	JavaScript (SpiderMonkey)	2016-02-24 06:05:41
7	Paul Leung	590	JavaScript (SpiderMonkey)	2017-03-31 10:51:41
8	Cole Rauh	603	JavaScript (SpiderMonkey)	2016-10-07 18:13:41
9	Omar Saad	623	JavaScript (SpiderMonkey)	2017-09-13 17:00:35
10	Tom	641	JavaScript (SpiderMonkey)	2016-10-13 19:11:17

#	User	Length	Language	Date
1	Timothy Gaede	1132	Julia	2024-05-21 06:40:54

#	User	Length	Language	Date
1	Mohsen Dehbashi	390	Kotlin	2022-02-04 12:07:41
2	Dmitry Shostak	556	Kotlin	2018-08-22 16:53:10
3	Matt Iverson	617	Kotlin	2018-11-03 01:46:11
4	Sergey Jakobsen	657	Kotlin	2021-03-13 11:21:01
5	Adam Rankin	682	Kotlin	2023-08-25 22:12:40
6	Chris Johnson	742	Kotlin	2024-10-11 20:32:27
7	Jacob Huebner	796	Kotlin	2020-04-13 03:58:58
8	Neil Harmon	1239	Kotlin	2019-07-29 07:29:13
9	Johnny Baloney	1641	Kotlin	2021-12-03 20:20:09
10	Ravisai Tiruvuri	5418	Kotlin	2024-03-22 06:16:46

#	User	Length	Language	Date
1	Nguyen Hoang Trung	1038	Pascal	2017-06-17 07:59:46
2	Ingemar Ragnemalm	1079	Pascal	2017-08-17 12:47:47

#	User	Length	Language	Date
1	Andreas Rost	651	PHP	2016-03-09 12:37:06
2	Martin Dibakar Björling	891	PHP	2015-11-24 21:15:49
3	Susanne Ragnemalm	1047	PHP	2018-04-24 00:20:11
4	Silvena Lam	1128	PHP	2016-02-11 14:27:46
5	Milton Blaesild	1144	PHP	2019-03-14 13:51:57
6	Morten Mehus	1231	PHP	2017-09-13 14:42:24

#	User	Length	Language	Date
1	Andriy Zyevakov	921	Prolog	2018-12-02 10:14:42

#	User	Length	Language	Date
1	Johan Wind	150	Python 2	2015-09-17 10:28:06
2	Thomas Feld	189	Python 2	2019-08-19 14:30:59
3	Jacob Wejendorp	208	Python 2	2014-12-27 00:29:02
4	Andreas Björklund	209	Python 2	2019-05-19 07:04:07
5	Paweł Kordowski	248	Python 2	2015-11-29 10:40:44
6	Jonas Kylling	265	Python 2	2015-03-22 16:00:30
7	Lars Åström	269	Python 2	2018-10-11 14:02:17
8	Haggai Liu	283	Python 2	2017-01-29 22:54:38
9	Jesper Öqvist	286	Python 2	2018-10-27 16:33:53
10	Yash Chandarana	288	Python 2	2016-05-06 09:37:05

#	User	Length	Language	Date
1	Dries Wedda	109	Python 3	2023-05-08 16:53:55
2	Martin Nester	146	Python 3	2024-10-13 15:30:37
3	Tai Tze Kin	151	Python 3	2024-05-08 06:41:10
4	Hrant Hovhannisyan	177	Python 3	2025-07-01 04:55:41
5	David Aldenbro	181	Python 3	2025-10-15 14:46:56
6	Hung Nguyen	216	Python 3	2018-11-03 03:22:04
7	Prateek Bhakta	221	Python 3	2022-09-08 22:52:06
8	Alexei Fedotov	226	Python 3	2019-02-02 10:21:45
9	Łukasz Łukaszew	229	Python 3	2022-07-25 06:21:53
10	Thomas Draper	231	Python 3	2022-09-02 02:14:40

#	User	Length	Language	Date
1	Thomas Feld	103	Ruby	2023-03-30 12:40:20
2	Russell Ng	103	Ruby	2025-06-07 19:19:23
3	Hidden user	278	Ruby	2018-10-23 18:52:53
4	Zohar Malamant	352	Ruby	2017-09-13 16:11:29
5	Casper Christensen	358	Ruby	2016-01-25 15:45:54
6	Kevin Suwala	415	Ruby	2017-01-13 03:40:28
7	Rosa Gutierrez	669	Ruby	2022-05-01 18:40:08
8	Erik Rydbert	694	Ruby	2016-07-14 03:44:49
9	Matthew Clemons	757	Ruby	2017-05-18 17:22:00
10	Karl Litterfeldt	1111	Ruby	2016-03-02 18:15:54

#	User	Length	Language	Date
1	Vincent Lagerros	717	Rust	2025-06-02 21:41:14
2	Bas Dirks	953	Rust	2022-01-08 20:43:26
3	Vasiliy Kevroletin	1208	Rust	2025-09-10 13:15:31
4	Albert Rise Nielsen	1356	Rust	2020-11-15 16:03:24
5	jaswanth	1425	Rust	2024-03-18 06:20:45
6	藤原潮人	1447	Rust	2023-04-21 15:56:29
7	Gabriella Gloria	1740	Rust	2025-05-02 11:47:42
8	Ming Kang	2027	Rust	2025-06-06 04:10:58
9	Joe Blower	2086	Rust	2025-08-25 16:10:48
10	Chun Mun Soon	3701	Rust	2021-07-25 07:02:02

Solution running time distribution