Problem D
Base-2 Palindromes — Problem Statistics

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Submissions	2434
Accepted submissions	973
Submission ratio	39.98%
Authors	989
Accepted authors	777
Author ratio	78.56%

#	User	Runtime	Language	Date
1	Jack Rosenthal	0.00 s	C	2016-07-17 06:36:54
2	Christian Lindeström	0.00 s	C	2016-08-19 17:05:03
3	Bernd Schmidt	0.00 s	C	2017-06-16 20:29:40
4	Raymond Yang	0.00 s	C	2018-03-27 16:00:37
5	Martin Stensgård	0.00 s	C	2018-07-24 22:36:07
6	Thibault Raffaillac	0.00 s	C	2018-08-02 17:07:49
7	Matzuka	0.00 s	C	2020-11-26 17:02:28
8	Erik Luehrmann	0.00 s	C	2022-04-21 08:51:20
9	Guðni Natan Gunnarsson	0.00 s	C	2023-09-28 06:30:47
10	Bergur Snorrason	0.01 s	C	2019-03-11 13:27:39

#	User	Runtime	Language	Date
1	Robert Low	0.02 s	C#	2016-07-26 21:19:24
2	Khin Nyunt	0.02 s	C#	2016-09-30 10:02:36
3	Benjamin Bilbeau	0.04 s	C#	2024-01-09 20:21:26
4	Deci Bel	0.06 s	C#	2024-12-18 23:20:27
5	Andriy Zyevakov	0.21 s	C#	2015-10-15 17:55:04

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Common Lisp	2019-07-28 07:09:23

#	User	Runtime	Language	Date
1	Khin Nyunt	0.00 s	Go	2023-09-16 10:19:18
2	Norbert Voelker	0.02 s	Go	2023-03-30 00:49:39

#	User	Runtime	Language	Date
1	Claes Gustafsson	0.00 s	Haskell	2017-10-11 16:46:53
2	Brent Yorgey	0.00 s	Haskell	2017-11-15 05:41:20
3	Blake Hyde	0.01 s	Haskell	2016-09-18 22:23:38
4	BlackcapCoder	0.01 s	Haskell	2019-05-12 15:01:06
5	Hidden user	0.01 s	Haskell	2020-08-15 17:58:59
6	Christian Leipe	0.01 s	Haskell	2022-01-05 17:57:03

#	User	Runtime	Language	Date
1	Ranjith M	0.04 s	Java	2024-08-20 21:06:28
2	Stela Palii	0.04 s	Java	2024-12-25 03:23:35
3	Erik Odenman	0.05 s	Java	2011-09-24 17:57:28
4	Daniel Bernstein	0.05 s	Java	2011-10-15 23:31:07
5	Thomas Dybdahl Ahle	0.05 s	Java	2011-10-16 14:00:25
6	Martin Aldrin	0.05 s	Java	2012-03-01 21:12:07
7	Henrik Kristiansson	0.05 s	Java	2012-03-01 23:48:00
8	Henrik Sandström	0.05 s	Java	2015-02-15 15:33:41
9	Trần Công Duy	0.05 s	Java	2015-09-22 16:32:57
10	Petr Ryšavý	0.05 s	Java	2015-11-08 03:49:37

#	User	Runtime	Language	Date
1	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-09-12 07:44:04

#	User	Runtime	Language	Date
1	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-08-12 01:36:40
2	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2016-08-27 18:23:29

#	User	Runtime	Language	Date
1	Timothy Gaede	0.56 s	Julia	2024-07-08 08:16:07

#	User	Runtime	Language	Date
1	Hidden user	0.21 s	Kotlin	2019-11-03 17:02:53
2	Adam Rankin	0.36 s	Kotlin	2023-09-23 03:48:45
3	Mitchell Skaggs	0.42 s	Kotlin	2022-05-02 12:33:31

#	User	Runtime	Language	Date
1	Johan Sannemo	0.02 s	Python 2	2012-01-22 13:34:14
2	Alexandre Loiko	0.02 s	Python 2	2012-02-06 17:43:47
3	Stanislav Chizhov	0.02 s	Python 2	2013-11-13 12:01:20
4	Hidden user	0.02 s	Python 2	2015-01-01 21:24:27
5	Christofer Ohlsson	0.02 s	Python 2	2015-08-03 15:47:34
6	Johan Wind	0.02 s	Python 2	2015-09-21 14:55:19
7	Shinobi	0.02 s	Python 2	2016-04-21 23:13:06
8	Haggai Liu	0.02 s	Python 2	2017-04-23 09:36:08
9	Hidden user	0.03 s	Python 2	2016-04-03 17:46:15
10	Erlend Åmdal	0.03 s	Python 2	2016-04-16 02:22:04

#	User	Runtime	Language	Date
1	Vahag Altunyan	0.02 s	Python 3	2017-03-16 22:18:56
2	Ulrich Goertz	0.02 s	Python 3	2017-06-16 21:02:03
3	Jing Huang	0.02 s	Python 3	2017-06-18 01:44:23
4	Sigurður Helgason	0.02 s	Python 3	2017-06-20 14:36:48
5	Rhys Balevicius	0.02 s	Python 3	2017-10-25 23:50:49
6	Hidden user	0.02 s	Python 3	2018-03-13 10:17:43
7	Noah Ó Donnaile	0.02 s	Python 3	2018-03-19 17:53:49
8	Jasmine Y Edwards	0.02 s	Python 3	2018-04-10 00:13:54
9	David Mitchell	0.02 s	Python 3	2018-07-24 04:21:48
10	Ragur Krishnan	0.02 s	Python 3	2018-09-06 23:10:09

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2019-03-21 16:36:56
2	Thomas Feld	0.06 s	Ruby	2023-03-16 14:11:34

#	User	Runtime	Language	Date
1	Joshua Ji	0.00 s	Rust	2020-11-26 08:50:07
2	Daniel Anker Hermansen	0.00 s	Rust	2024-02-05 19:49:41
3	Mikkel Gaba	0.00 s	Rust	2025-03-27 15:18:37
4	Eric Pinter	0.16 s	Rust	2022-04-02 03:18:13

#	User	Length	Language	Date
1	Thibault Raffaillac	370	C	2018-08-02 17:07:49
2	Christian Lindeström	378	C	2016-08-19 17:05:03
3	Matzuka	520	C	2020-11-26 17:02:28
4	Erik Luehrmann	848	C	2022-04-21 08:51:20
5	Emil Wihlander	854	C	2020-12-05 09:33:50
6	Raymond Yang	863	C	2018-03-27 16:00:37
7	Jack Rosenthal	1005	C	2016-07-17 06:36:54
8	Guðni Natan Gunnarsson	1051	C	2023-09-28 06:30:47
9	Bernd Schmidt	1262	C	2017-06-16 20:29:40
10	Bergur Snorrason	2927	C	2019-03-11 13:27:39

#	User	Length	Language	Date
1	Khin Nyunt	1204	C#	2016-09-30 10:02:36
2	Robert Low	1299	C#	2016-07-26 21:19:24
3	Benjamin Bilbeau	1499	C#	2024-01-09 20:21:26
4	Deci Bel	1619	C#	2024-12-18 23:32:23
5	Andriy Zyevakov	2841	C#	2015-10-15 17:55:04

#	User	Length	Language	Date
1	Urban Pettersson	361	C++	2012-03-01 18:45:16
2	Johan Sannemo	427	C++	2011-09-24 11:28:45
3	Yeung Man Tsung	447	C++	2023-01-05 11:41:37
4	Jerome Leow	460	C++	2020-12-17 06:15:46
5	William Gan	461	C++	2018-01-16 03:08:47
6	Matvey Soloviev	475	C++	2011-10-16 13:52:50
7	Hải Minh	490	C++	2020-01-15 14:10:40
8	Muhammad Irham Rasyidi	494	C++	2017-08-09 20:58:08
9	Herman Karlsson	501	C++	2015-05-29 23:49:54
10	Viraj Maddur	502	C++	2017-11-04 07:09:00

#	User	Length	Language	Date
1	Hidden user	588	Common Lisp	2019-07-28 07:02:27

#	User	Length	Language	Date
1	Norbert Voelker	1057	Go	2023-03-30 01:44:12
2	Khin Nyunt	1178	Go	2023-09-16 10:19:18

#	User	Length	Language	Date
1	Claes Gustafsson	739	Haskell	2017-10-11 16:46:53
2	Hidden user	740	Haskell	2020-08-15 17:58:59
3	Blake Hyde	820	Haskell	2016-09-18 22:34:34
4	BlackcapCoder	878	Haskell	2019-05-12 15:01:06
5	Christian Leipe	913	Haskell	2022-01-05 17:57:03
6	Brent Yorgey	922	Haskell	2017-11-15 05:41:20

#	User	Length	Language	Date
1	Shawn Hatchwell	668	Java	2017-03-13 19:23:52
2	Doug Goodman	673	Java	2017-09-03 21:46:10
3	Jonathan Hartnett	738	Java	2017-11-03 04:21:57
4	Finn Lidbetter	739	Java	2017-04-16 21:25:32
5	Evan Partidas	744	Java	2017-11-05 02:35:43
6	Anirudh Rahul	776	Java	2017-11-04 01:40:28
7	Atharva Nagarkar	786	Java	2018-03-08 21:29:16
8	Kevin Kauffman	799	Java	2022-01-03 03:25:32
9	Arup Ratan Guha	801	Java	2018-03-08 22:28:27
10	Leslie Yip	808	Java	2023-07-05 07:59:37

#	User	Length	Language	Date
1	Khin Nyunt	1097	JavaScript (Node.js)	2021-11-14 14:22:11

#	User	Length	Language	Date
1	Christian Cederquist	764	JavaScript (SpiderMonkey)	2023-08-12 01:36:40
2	Bjørn Chr. Soltvedt	92575	JavaScript (SpiderMonkey)	2016-08-27 18:23:29

#	User	Length	Language	Date
1	Timothy Gaede	1735	Julia	2024-07-08 06:51:09

#	User	Length	Language	Date
1	Mitchell Skaggs	505	Kotlin	2022-05-02 12:33:31
2	Adam Rankin	760	Kotlin	2023-09-23 03:48:45
3	Hidden user	853	Kotlin	2019-11-03 17:02:53

#	User	Length	Language	Date
1	Hidden user	138	Python 2	2016-04-03 17:46:15
2	Garðar Ingvarsson	192	Python 2	2019-03-15 14:23:23
3	Jonas Kylling	194	Python 2	2015-05-26 18:21:51
4	Justin Su	267	Python 2	2019-10-04 06:46:39
5	Asger Hautop Drewsen	277	Python 2	2015-11-04 00:29:30
6	Andreas Björklund	313	Python 2	2019-05-18 17:14:33
7	Johan Lyts	314	Python 2	2019-03-25 21:34:43
8	Hidden user	316	Python 2	2015-01-01 23:52:52
9	Jakob Bergendahl	319	Python 2	2013-11-12 18:00:14
10	Johan Sannemo	325	Python 2	2012-01-22 13:34:14

#	User	Length	Language	Date
1	Caleb Dastrup	84	Python 3	2025-02-21 22:17:46
2	Christian Blumenthal	108	Python 3	2023-08-16 22:54:50
3	Harry Zhang	135	Python 3	2023-04-12 23:08:58
4	Bryan Juniano	196	Python 3	2025-04-23 04:36:57
5	Frederick Ivan Tan	197	Python 3	2023-02-04 08:02:29
6	Garðar Ingvarsson	198	Python 3	2019-03-15 14:23:58
7	Jason Clarke	212	Python 3	2024-04-13 18:05:22
8	Martin Berglund	215	Python 3	2023-08-31 14:14:02
9	Wang Zhi Jian	238	Python 3	2019-05-06 13:14:44
10	Alexandre Loiko	248	Python 3	2015-05-13 11:57:35

#	User	Length	Language	Date
1	Thomas Feld	85	Ruby	2023-03-16 14:17:06
2	Hidden user	320	Ruby	2019-03-21 16:36:56

#	User	Length	Language	Date
1	Mikkel Gaba	1730	Rust	2025-03-27 15:18:37
2	Eric Pinter	2352	Rust	2022-04-02 03:18:13
3	Joshua Ji	2850	Rust	2020-11-26 08:50:07
4	Daniel Anker Hermansen	24715	Rust	2024-02-05 19:49:41

Solution running time distribution