Problem D
Bit by Bit — Problem Statistics

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Submissions	8549
Accepted submissions	2691
Submission ratio	31.48%
Authors	2487
Accepted authors	2149
Author ratio	86.41%

#	User	Runtime	Language	Date
1	Niklas Huss	0.02 s	C#	2015-09-30 21:49:11
2	Viktor Lindberg	0.02 s	C#	2016-05-04 19:45:11
3	Robert Low	0.02 s	C#	2016-08-13 00:50:17
4	Ugnius Skučas	0.02 s	C#	2016-10-15 16:27:54
5	Pavel Volgarev	0.02 s	C#	2016-11-15 03:46:32
6	Johnson Ho	0.02 s	C#	2016-11-20 22:04:25
7	Iwan	0.02 s	C#	2016-12-05 11:41:26
8	Hidden user	0.02 s	C#	2017-01-16 15:39:32
9	Adrian Reithaug	0.02 s	C#	2017-09-12 15:40:27
10	Vijaya Sekhar Gullapalli	0.02 s	C#	2017-12-07 14:51:59

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-07-07 03:40:41

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2023-04-05 18:01:28

#	User	Runtime	Language	Date
1	Mukhlas Rosyadi	0.00 s	Go	2023-11-13 06:08:00
2	Husain Satan	0.00 s	Go	2023-11-13 19:34:26
3	Pandhu Hutomo Aditya	0.00 s	Go	2023-11-14 13:14:01
4	Chris Rudolph	0.02 s	Go	2018-10-15 04:40:57
5	Schuyler Tay	0.02 s	Go	2020-05-06 13:15:58
6	James Robb	0.02 s	Go	2020-05-12 11:52:57
7	Krzysztof Gibuła	0.02 s	Go	2021-05-12 22:44:24
8	Erik Rairden	0.02 s	Go	2021-07-07 07:15:33
9	Norbert Voelker	0.02 s	Go	2021-07-30 00:34:29
10	Rajad	0.02 s	Go	2021-12-13 12:43:25

#	User	Runtime	Language	Date
1	Wilfried van Asten	0.00 s	Haskell	2015-12-19 20:29:49
2	Lars Tveito	0.01 s	Haskell	2015-07-30 23:00:54
3	Gustav NIlsson	0.01 s	Haskell	2015-12-12 18:29:58
4	Jan Hlavacek	0.01 s	Haskell	2016-11-20 02:14:12
5	Anthony Clays	0.01 s	Haskell	2017-01-17 11:51:16
6	Gaston Gilbert	0.01 s	Haskell	2017-09-20 09:48:57
7	Brent Yorgey	0.01 s	Haskell	2018-05-04 06:37:20
8	Rudi Svartveit	0.01 s	Haskell	2018-09-12 19:20:34
9	Erik Hesselink	0.01 s	Haskell	2020-04-22 14:43:25
10	Juan Miguel Vilar	0.01 s	Haskell	2020-09-16 16:25:38

#	User	Runtime	Language	Date
1	Samuel Klingström	0.05 s	Java	2017-06-07 19:02:19
2	Michael Sullivan	0.06 s	Java	2015-09-18 19:47:00
3	Trần Công Duy	0.06 s	Java	2015-11-18 05:11:45
4	Đỗ Duy Tân	0.06 s	Java	2015-11-18 06:21:45
5	Simon Xue	0.06 s	Java	2016-04-08 06:59:28
6	Dajo Hofman	0.06 s	Java	2016-09-25 13:56:53
7	Martijn Muijsers	0.06 s	Java	2016-11-01 21:48:44
8	Erik Baalhuis	0.06 s	Java	2017-08-26 21:59:15
9	Bjørn Dons	0.06 s	Java	2018-10-18 00:12:48
10	Sven Rönnbäck	0.06 s	Java	2022-01-22 09:02:33

#	User	Runtime	Language	Date
1	João Portugal	0.04 s	JavaScript (Node.js)	2024-08-13 12:01:06
2	Inês e Palma	0.04 s	JavaScript (Node.js)	2025-06-29 16:17:02
3	Faza Rida	0.05 s	JavaScript (Node.js)	2023-11-14 19:18:49
4	Miguel Silva	0.05 s	JavaScript (Node.js)	2024-07-11 01:25:40
5	Daniel Rocha	0.05 s	JavaScript (Node.js)	2024-07-12 15:18:13
6	Diogo Guedes	0.05 s	JavaScript (Node.js)	2024-06-30 17:33:07
7	Marcos Freitas	0.05 s	JavaScript (Node.js)	2025-03-21 10:20:36
8	Miikka Toivola	0.05 s	JavaScript (Node.js)	2025-06-19 13:47:58
9	Nils Asejevs	0.06 s	JavaScript (Node.js)	2019-04-18 13:36:18
10	Jonas Pedersen	0.12 s	JavaScript (Node.js)	2019-03-20 15:14:17

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-21 16:23:30
2	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-06 14:18:14
3	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-29 01:25:34
4	Cole Rauh	0.01 s	JavaScript (SpiderMonkey)	2016-10-17 00:35:10
5	J M	0.01 s	JavaScript (SpiderMonkey)	2016-11-09 19:20:04
6	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-11-10 14:08:28
7	Paul Leung	0.01 s	JavaScript (SpiderMonkey)	2017-08-31 14:32:15
8	Andri Rafn	0.01 s	JavaScript (SpiderMonkey)	2018-04-24 16:14:44
9	Simon Titkó	0.02 s	JavaScript (SpiderMonkey)	2024-02-05 20:41:43
10	Hidden user	0.03 s	JavaScript (SpiderMonkey)	2019-08-20 09:48:10

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2024-06-06 06:22:37
2	Danny Robinson	0.96 s	Julia	2023-10-06 12:40:43

#	User	Runtime	Language	Date
1	Johnny Baloney	0.15 s	Kotlin	2022-01-06 21:21:38
2	Laksa Pedas	0.21 s	Kotlin	2023-11-13 11:13:19
3	Dayan Ruben Gonzalez	0.23 s	Kotlin	2020-10-05 19:11:05
4	Phường Lên	0.24 s	Kotlin	2019-10-25 23:16:43
5	Hidden user	0.25 s	Kotlin	2020-04-28 19:24:06
6	Adam Koprowski	0.26 s	Kotlin	2020-08-20 23:39:21
7	Adam Rankin	0.26 s	Kotlin	2023-09-22 17:55:23
8	Troels Bjerre Lund	0.27 s	Kotlin	2019-11-03 22:21:08
9	Mike Poland	0.28 s	Kotlin	2019-08-13 22:02:38
10	Eric Huynh	0.29 s	Kotlin	2019-02-02 05:54:26

#	User	Runtime	Language	Date
1	Erik K	0.00 s	OCaml	2020-09-27 10:30:15
2	Hidden user	0.00 s	OCaml	2024-01-21 23:50:11

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-08-29 09:17:02
2	David Connolly	0.00 s	Pascal	2022-04-15 17:55:22

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Perl	2025-07-25 19:41:41

#	User	Runtime	Language	Date
1	Ludvig Flink	0.01 s	PHP	2021-01-07 16:26:27
2	Raphael Lima	0.01 s	PHP	2024-07-03 23:02:07

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.03 s	Python 2	2015-03-30 19:05:20
2	Tore Norderud	0.03 s	Python 2	2015-08-12 23:32:46
3	Asger Hautop Drewsen	0.03 s	Python 2	2015-11-21 02:52:46
4	Mark Snow	0.03 s	Python 2	2016-12-08 15:37:46
5	Mayank Makwana	0.03 s	Python 2	2017-09-21 04:52:17
6	Hermon Mulat	0.03 s	Python 2	2018-11-20 18:42:29
7	Hidden user	0.03 s	Python 2	2019-01-25 03:17:12
8	Justin Su	0.03 s	Python 2	2019-10-02 05:55:47
9	Arne Tobias Malkenes Ødegaard	0.04 s	Python 2	2015-11-12 19:54:48
10	Oskar Haarklou Veileborg	0.04 s	Python 2	2015-11-21 15:25:13

#	User	Runtime	Language	Date
1	James Elías Sigurðarson	0.02 s	Python 3	2015-06-19 23:43:21
2	Jack Rosenthal	0.02 s	Python 3	2015-11-23 04:42:31
3	Atli Fannar Franklín	0.02 s	Python 3	2016-04-01 14:53:08
4	Rick van Rheenen	0.02 s	Python 3	2016-04-22 18:19:40
5	Nathan Collins	0.02 s	Python 3	2016-07-11 15:56:45
6	Nicolas Marsceau	0.02 s	Python 3	2016-07-11 16:05:44
7	Christian Lindeström	0.02 s	Python 3	2016-09-22 05:36:36
8	Casper Freksen	0.02 s	Python 3	2016-10-01 02:26:47
9	Matthew Casserly	0.02 s	Python 3	2016-10-18 23:20:39
10	David Castelblanco Benavides	0.02 s	Python 3	2016-12-03 23:42:38

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-01-23 12:48:32
2	Love Engman	0.03 s	Ruby	2017-04-02 13:52:05
3	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-11-04 22:41:45
4	Hidden user	0.05 s	Ruby	2019-01-14 21:17:55
5	Hasanuzzaman Sumon	0.05 s	Ruby	2021-01-02 19:32:35
6	Thomas Feld	0.06 s	Ruby	2023-05-09 10:50:18
7	Szymon Madeja	0.06 s	Ruby	2022-09-26 22:39:42
8	Fabian Levén	0.06 s	Ruby	2024-05-14 14:30:43
9	Patrick Elsen	0.07 s	Ruby	2019-04-27 15:08:45
10	Leska Ti	0.07 s	Ruby	2025-02-22 15:42:52

#	User	Length	Language	Date
1	Bochuan Lu	1002	C	2017-04-29 20:30:55
2	Miguel Müller	1102	C	2017-11-30 15:10:30
3	Zachariah Goldthorpe	1234	C	2017-08-12 05:20:13
4	Hidden user	1276	C	2017-11-24 18:00:28
5	Noah Ó Donnaile	1281	C	2017-03-14 22:09:50
6	Денис Соболев	1343	C	2017-04-25 14:46:25
7	Parampal Sandhu	1343	C	2018-01-18 07:42:44
8	Timothy Kroll	1343	C	2019-03-10 16:57:44
9	Nour Qweder	1343	C	2019-04-08 15:28:27
10	Kelvin Juslim	1343	C	2020-01-08 18:35:48

#	User	Length	Language	Date
1	Benjamin Iserman	1443	C#	2021-10-28 02:38:08
2	Johnson Ho	1701	C#	2016-11-20 22:04:25
3	Henrik Andersson	1785	C#	2018-10-28 00:43:27
4	Andreas Åhlfeldt	1835	C#	2019-09-18 16:16:05
5	David Olmårs	1862	C#	2021-01-13 15:08:37
6	Samee Mushtak	1971	C#	2021-03-07 03:02:49
7	Basile Van Hoorick	2052	C#	2019-09-14 19:47:45
8	Deivasigamani Mahalingam	2087	C#	2021-01-06 16:03:27
9	Viktor Lindberg	2161	C#	2016-05-04 19:45:11
10	Teofilus Septasesio Juhendra	2162	C#	2018-03-28 09:51:44

#	User	Length	Language	Date
1	Frans Meulenbroeks	510	C++	2024-11-02 13:55:21
2	a_b__c	540	C++	2021-01-13 18:06:10
3	Thanh Bình Nguyễn	593	C++	2017-11-01 15:29:11
4	Đoàn Công Chính	627	C++	2019-01-02 07:38:17
5	Vu Duy Dung	639	C++	2017-11-01 15:50:02
6	Hidden user	679	C++	2024-03-04 04:44:07
7	Manshant Singh Kohli	698	C++	2017-09-14 04:32:38
8	Matteo Zappia	710	C++	2021-11-05 14:43:28
9	Timothy White	716	C++	2021-09-12 16:25:57
10	14-Phạm Cao Gia Khang- 10A9	725	C++	2022-07-21 21:40:21

#	User	Length	Language	Date
1	David Cawthon	1312	Common Lisp	2020-07-07 03:40:41

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1945	F#	2023-04-05 18:01:28

#	User	Length	Language	Date
1	Aloysius Lee	1160	Go	2020-05-02 17:58:40
2	Krzysztof Gibuła	1213	Go	2021-05-12 22:44:24
3	Ainun Nazieb	1218	Go	2020-09-30 18:35:06
4	Erik Rairden	1260	Go	2021-07-07 07:02:07
5	Schuyler Tay	1282	Go	2020-05-06 14:03:41
6	Rajad	1538	Go	2021-12-13 12:43:25
7	Nicklesh	1538	Go	2021-12-13 12:45:05
8	Norbert Voelker	1587	Go	2021-07-30 00:34:29
9	Michael Laszlo	1598	Go	2016-10-19 14:52:25
10	James Robb	1704	Go	2020-05-12 11:52:57

#	User	Length	Language	Date
1	Anthony Clays	1166	Haskell	2017-01-17 11:51:16
2	Rudi Svartveit	1172	Haskell	2018-09-12 19:20:34
3	Lars Tveito	1203	Haskell	2015-07-30 23:00:54
4	Joshua Coward	1372	Haskell	2021-12-12 03:45:58
5	Gustav NIlsson	1494	Haskell	2015-12-12 18:29:58
6	Jan Hlavacek	1607	Haskell	2016-11-20 02:14:12
7	Steinar Simonnes	1649	Haskell	2025-03-08 21:31:29
8	Jan Hrček	1829	Haskell	2021-04-14 06:56:40
9	Erik Hesselink	1907	Haskell	2020-04-22 14:43:25
10	Brent Yorgey	2095	Haskell	2018-05-04 06:37:20

#	User	Length	Language	Date
1	Doug Goodman	842	Java	2017-09-05 23:45:22
2	Rasmus Poulsen	859	Java	2024-02-05 22:20:34
3	Elizabeth Zou	1015	Java	2018-08-11 19:44:52
4	Duncan Page	1030	Java	2017-11-21 23:20:19
5	Jason Liu	1082	Java	2023-08-25 04:23:32
6	Jiru Xu	1099	Java	2017-09-19 01:50:37
7	Diana Bishop	1100	Java	2018-08-31 18:10:04
8	Soldà Federico	1106	Java	2020-03-03 23:31:01
9	Nils Olsson	1109	Java	2021-02-27 22:23:54
10	Hidden user	1126	Java	2022-01-15 10:24:09

#	User	Length	Language	Date
1	Hidden user	1220	JavaScript (Node.js)	2021-01-02 06:25:03
2	Miguel Silva	1434	JavaScript (Node.js)	2024-07-11 01:25:40
3	Perumalla Kutumba Pavan Kumar	1435	JavaScript (Node.js)	2021-02-15 14:59:25
4	Nils Asejevs	1502	JavaScript (Node.js)	2019-04-18 13:36:18
5	Inês e Palma	1526	JavaScript (Node.js)	2025-06-29 16:17:02
6	João Portugal	1716	JavaScript (Node.js)	2024-08-13 12:01:06
7	Miikka Toivola	1751	JavaScript (Node.js)	2025-06-19 13:47:58
8	Vidhi Kotecha	1818	JavaScript (Node.js)	2021-04-02 09:13:43
9	lisa	1921	JavaScript (Node.js)	2021-09-18 13:00:00
10	Viva Coder	1927	JavaScript (Node.js)	2021-09-15 20:29:28

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	692	JavaScript (SpiderMonkey)	2016-07-29 01:25:34
2	Christian Cederquist	738	JavaScript (SpiderMonkey)	2023-05-27 14:02:20
3	Cole Rauh	816	JavaScript (SpiderMonkey)	2016-10-17 00:35:10
4	Paul Leung	881	JavaScript (SpiderMonkey)	2017-08-31 14:32:15
5	Peter Kedemo	987	JavaScript (SpiderMonkey)	2015-12-21 16:23:30
6	J M	1040	JavaScript (SpiderMonkey)	2016-11-09 19:20:04
7	Johannes Jensen	1046	JavaScript (SpiderMonkey)	2016-03-06 14:18:14
8	Hidden user	1347	JavaScript (SpiderMonkey)	2019-08-20 09:48:10
9	Zach Tschetter	1386	JavaScript (SpiderMonkey)	2023-06-30 05:27:50
10	Simon Titkó	1451	JavaScript (SpiderMonkey)	2024-02-05 20:41:43

#	User	Length	Language	Date
1	Danny Robinson	284	Julia	2023-10-06 12:40:43
2	Timothy Gaede	1819	Julia	2024-06-06 06:22:37

#	User	Length	Language	Date
1	Adam Koprowski	1024	Kotlin	2020-08-20 23:39:21
2	Phường Lên	1066	Kotlin	2019-10-25 23:16:43
3	Laksa Pedas	1280	Kotlin	2023-11-13 11:13:19
4	Dayan Ruben Gonzalez	1352	Kotlin	2020-10-05 19:11:05
5	Jonathan Soo	1384	Kotlin	2019-06-21 11:12:23
6	Johnny Baloney	1479	Kotlin	2022-01-06 21:26:32
7	Hidden user	1646	Kotlin	2020-04-28 19:24:06
8	Eric Huynh	1719	Kotlin	2019-02-02 05:54:26
9	Troels Bjerre Lund	1841	Kotlin	2019-11-03 22:33:46
10	Mike Poland	2037	Kotlin	2019-08-13 22:02:38

#	User	Length	Language	Date
1	Hidden user	1882	OCaml	2024-01-21 23:50:11
2	Erik K	3864	OCaml	2020-09-27 10:30:15

#	User	Length	Language	Date
1	David Connolly	1901	Pascal	2022-04-15 17:55:22
2	Ingemar Ragnemalm	2284	Pascal	2018-08-29 09:17:02

#	User	Length	Language	Date
1	Javier Gómez Díaz	827	Perl	2025-07-25 19:41:41

#	User	Length	Language	Date
1	Ludvig Flink	1421	PHP	2021-01-07 16:26:27
2	Raphael Lima	1955	PHP	2024-07-03 23:02:07

#	User	Length	Language	Date
1	Thomas Feld	430	Python 2	2019-09-06 10:11:29
2	Asger Hautop Drewsen	536	Python 2	2015-11-21 02:52:46
3	Haggai Liu	547	Python 2	2017-04-25 09:29:49
4	Neal Zane	619	Python 2	2015-12-06 01:27:40
5	Hidden user	638	Python 2	2019-10-28 17:35:12
6	Gurinder Hans	672	Python 2	2017-09-10 08:33:38
7	Arnav Aggarwal	707	Python 2	2020-07-24 16:32:19
8	Dangely Jeanelle	708	Python 2	2017-10-08 23:13:14
9	Oskar Haarklou Veileborg	757	Python 2	2015-11-21 15:25:13
10	Justin Su	760	Python 2	2019-10-02 05:55:47

#	User	Length	Language	Date
1	Tobias Glimmerfors	190	Python 3	2023-07-20 00:05:40
2	Elias Lundell	212	Python 3	2023-07-19 22:38:49
3	Michael Goldwasser	319	Python 3	2024-09-05 06:56:48
4	Harry Zhang	325	Python 3	2023-07-19 12:51:54
5	Benjamin Z White	343	Python 3	2023-03-31 23:44:10
6	Erik Bryland	394	Python 3	2023-07-19 23:53:32
7	Charles Ancheta	401	Python 3	2023-03-24 09:08:04
8	Ahmed Chamseddine	427	Python 3	2024-12-03 21:08:02
9	Simon Titkó	456	Python 3	2024-02-07 00:58:15
10	David Ludwig	501	Python 3	2017-12-04 01:28:14

#	User	Length	Language	Date
1	Thomas Feld	162	Ruby	2023-05-09 10:56:14
2	Hidden user	754	Ruby	2019-01-14 21:17:55
3	Currie Pariñas	826	Ruby	2025-08-09 16:01:22
4	Casper Christensen	873	Ruby	2016-01-23 12:48:32
5	Fabian Levén	991	Ruby	2024-05-14 14:30:43
6	Macdara mac an tSionnaigh	1110	Ruby	2019-11-04 22:41:45
7	Nils Olsson	1144	Ruby	2024-02-07 14:00:20
8	Leska Ti	1183	Ruby	2025-02-23 09:31:05
9	Hidden user	1203	Ruby	2025-07-22 07:22:18
10	Love Engman	1217	Ruby	2017-04-02 13:52:05

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1374	Rust	2022-08-10 10:53:44
2	Robert Janczewski	1490	Rust	2020-02-06 15:48:21
3	Bas Dirks	1987	Rust	2022-01-24 00:20:21
4	Ishtiaq Hussain Naqi	2219	Rust	2023-09-15 08:19:39
5	Hidden user	2299	Rust	2023-04-22 12:34:36
6	Eric Pinter	2331	Rust	2021-06-26 06:37:04
7	Danial Haseeb	2549	Rust	2023-09-11 06:58:42
8	Reis Faar	2562	Rust	2023-05-25 15:48:58
9	Spencer Killen	3086	Rust	2020-04-30 05:40:23
10	Isak Jägberg	3493	Rust	2021-12-29 00:25:26

Solution running time distribution