Problem A
Reversed Binary Numbers — Problem Statistics

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Submissions	23744
Accepted submissions	14173
Submission ratio	59.69%
Authors	13138
Accepted authors	12461
Author ratio	94.85%

#	User	Runtime	Language	Date
1	Lucien Arnauld	0.01	APL	2023-03-10 18:51:15
2	Johan Clarström	0.01	APL	2023-03-12 00:38:04
3	Max NC	0.01	APL	2023-09-09 01:19:34

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01	Bash	2023-10-03 17:29:19
2	Thomas Feld	0.06	Bash	2023-09-26 15:11:34

#	User	Runtime	Language	Date
1	Andreas Ågren	0.01	C#	2015-03-12 12:48:58
2	Samuel Sundström	0.01	C#	2016-05-11 10:17:04
3	Jonathan Taylor	0.01	C#	2016-12-19 03:40:47
4	Kunwei Zhang	0.01	C#	2018-02-04 03:03:02
5	Lukas Polacek	0.02	C#	2013-02-27 10:24:20
6	Tomasz Masternak	0.02	C#	2013-09-23 16:43:04
7	Mirza Mohymen	0.02	C#	2014-03-23 21:34:25
8	hellhax	0.02	C#	2014-09-25 22:13:57
9	Ayk Stepanyan	0.02	C#	2014-09-27 03:03:12
10	Roderick Gregory	0.02	C#	2014-09-27 04:34:58

#	User	Runtime	Language	Date
1	Shubhamkar Ayare	0.01	Common Lisp	2019-07-15 07:07:15
2	Philippos Boon Alexaki	0.01	Common Lisp	2019-11-18 22:49:36
3	Hidden user	0.01	Common Lisp	2019-12-26 03:05:34
4	Ole-Christian S. Hagenes	0.01	Common Lisp	2020-02-11 21:20:50
5	wibi	0.01	Common Lisp	2020-09-02 19:36:34
6	Jinwoo Lee	0.01	Common Lisp	2020-10-07 04:57:29
7	Michal Žáček	0.01	Common Lisp	2022-08-04 08:03:25
8	Ralf Jonas	0.01	Common Lisp	2023-09-08 09:38:34
9	J Sotomayor	0.01	Common Lisp	2024-01-09 23:20:58
10	yraten	0.01	Common Lisp	2024-04-10 19:17:33

#	User	Runtime	Language	Date
1	CharsKun	0.01	Dart	2023-05-29 06:53:57
2	Bobby Jonathan	0.01	Dart	2023-07-25 07:51:49
3	Christoforos Pantazi	0.01	Dart	2023-09-11 12:39:18
4	Stefan Holm	0.01	Dart	2024-06-25 07:54:00

#	User	Runtime	Language	Date
1	Chris Rudolph	0.04	F#	2020-10-11 00:58:22
2	Patrick Bahr	0.04	F#	2021-02-13 10:52:36
3	Jacob Harris Cryer Kragh	0.04	F#	2022-05-22 15:43:09
4	Mikael Fangel	0.08	F#	2023-08-31 22:32:44
5	Stefan Schmiedl	0.08	F#	2024-08-21 22:32:48

#	User	Runtime	Language	Date
1	Nope Nope	0	Go	2023-08-17 11:32:18
2	Ben Hutchinson	0	Go	2023-10-13 23:58:43
3	Diego Saldias	0	Go	2023-12-19 15:51:56
4	Kiki Ibrahim	0	Go	2024-05-05 13:04:04
5	Hidden user	0	Go	2024-05-31 09:40:04
6	Katrine Sandø	0.01	Go	2022-09-04 17:25:03
7	Alejandro Germain	0.02	Go	2018-10-02 19:28:50
8	Hidden user	0.02	Go	2019-12-02 22:33:15
9	Jimmy Nejtron	0.02	Go	2023-02-06 17:05:45
10	Mongkonchai Priyachiwa	0.06	Go	2018-10-10 15:45:10

#	User	Runtime	Language	Date
1	Anders Hagward	0.05	Java	2011-09-19 12:54:48
2	Thomas Dybdahl Ahle	0.05	Java	2011-10-16 13:07:23
3	Magnus Olsson	0.05	Java	2011-12-06 05:37:54
4	Alexandre Loiko	0.05	Java	2012-02-05 14:52:40
5	Martin Aldrin	0.05	Java	2012-02-29 21:37:56
6	James Hau	0.05	Java	2012-03-01 15:35:16
7	Henrik Kristiansson	0.05	Java	2012-03-02 13:44:42
8	Hidden user	0.05	Java	2013-08-17 12:11:54
9	Anton Meier	0.05	Java	2013-09-26 18:30:30
10	Brandon Wever	0.05	Java	2013-10-08 00:02:58

#	User	Runtime	Language	Date
1	Hidden user	0.04	JavaScript (Node.js)	2024-08-31 01:57:16
2	Urban Pettersson	0.05	JavaScript (Node.js)	2018-06-22 14:49:30
3	Dalton Neely	0.05	JavaScript (Node.js)	2018-07-08 09:04:56
4	MHD SAMI ALMOUHTASEB	0.05	JavaScript (Node.js)	2018-07-11 09:22:22
5	Andreas Pettersson	0.05	JavaScript (Node.js)	2018-07-23 18:21:05
6	Anh Lâm	0.05	JavaScript (Node.js)	2018-09-11 10:26:05
7	Ram Basnet	0.05	JavaScript (Node.js)	2018-10-09 04:43:30
8	Carl Sundvall	0.05	JavaScript (Node.js)	2018-10-27 16:42:00
9	Dario Delle Donne	0.05	JavaScript (Node.js)	2018-12-17 21:57:09
10	Qom Javadolaemeh	0.05	JavaScript (Node.js)	2019-01-02 10:15:00

#	User	Runtime	Language	Date
1	Anton Klarén	0.01	JavaScript (SpiderMonkey)	2014-09-04 20:35:28
2	Göran Mannberg	0.01	JavaScript (SpiderMonkey)	2014-12-11 10:59:13
3	Koi Kin	0.01	JavaScript (SpiderMonkey)	2014-12-11 13:34:31
4	Nathan O'Brien	0.01	JavaScript (SpiderMonkey)	2015-05-20 22:59:58
5	Jan Järfalk	0.01	JavaScript (SpiderMonkey)	2015-09-02 23:47:44
6	Andreas Larsson	0.01	JavaScript (SpiderMonkey)	2015-10-19 12:47:27
7	Arend van Erk	0.01	JavaScript (SpiderMonkey)	2015-10-19 15:35:26
8	Bjørn Zeiler Hougaard	0.01	JavaScript (SpiderMonkey)	2015-11-10 15:19:52
9	Hidden user	0.01	JavaScript (SpiderMonkey)	2015-12-21 18:06:36
10	Peter Kedemo	0.01	JavaScript (SpiderMonkey)	2015-12-21 23:59:31

#	User	Runtime	Language	Date
1	Timothy Gaede	0.44	Julia	2024-03-19 08:28:44
2	Danny Robinson	0.53	Julia	2023-06-21 02:11:24
3	Charlie Collins	0.57	Julia	2023-08-26 03:51:09

#	User	Runtime	Language	Date
1	Kasper Ingelvide	0.12	Kotlin	2020-10-30 16:11:06
2	Kiel Dowdle	0.13	Kotlin	2021-04-19 02:09:20
3	Jacob Huebner	0.14	Kotlin	2020-03-16 20:29:07
4	Marcin Wiśniowski	0.16	Kotlin	2017-09-29 12:05:01
5	Dayan Ruben Gonzalez	0.16	Kotlin	2018-05-18 16:05:36
6	Alexandre Conte	0.16	Kotlin	2020-09-15 00:32:46
7	Mike Wilkes	0.17	Kotlin	2018-02-13 04:56:08
8	Frangel Hernández Martinez	0.17	Kotlin	2018-04-23 21:57:58
9	Dmitry Shostak	0.17	Kotlin	2018-06-09 15:41:21
10	MisterDerpie	0.17	Kotlin	2021-07-01 22:15:37

#	User	Runtime	Language	Date
1	Hidden user	0	OCaml	2019-03-25 17:37:56
2	Sam Henke	0	OCaml	2023-09-29 04:57:24

#	User	Runtime	Language	Date
1	David Connolly	0	Pascal	2017-08-17 16:37:14
2	Vitas	0	Pascal	2019-12-26 12:48:01

#	User	Runtime	Language	Date
1	Saito Ta	0	Perl	2024-03-27 11:30:26

#	User	Runtime	Language	Date
1	Rikard Hjort	0.01	PHP	2015-04-04 19:38:50
2	Martin Dibakar Björling	0.01	PHP	2015-11-24 20:43:38
3	Mohammad R. Mousavi	0.01	PHP	2015-12-16 21:58:00
4	Silvena Lam	0.01	PHP	2016-02-06 16:38:32
5	Daniel Wollbro	0.01	PHP	2016-03-09 12:51:08
6	Steven D. Wilson	0.01	PHP	2016-03-17 03:35:59
7	Vincent Nel	0.01	PHP	2016-05-31 20:56:16
8	Mouhanad Yousif	0.01	PHP	2016-06-01 15:07:54
9	Ajmal Iqbal	0.01	PHP	2016-06-06 21:18:21
10	Hidden user	0.01	PHP	2016-09-25 18:44:46

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01	Prolog	2016-04-08 21:15:28
2	Hakan Kjellerstrand	0.02	Prolog	2023-01-29 10:06:47

#	User	Runtime	Language	Date
1	John Walker	0.02	Python 3	2013-09-28 22:50:36
2	Neil Girdhar	0.02	Python 3	2013-10-10 23:38:23
3	Hidden user	0.02	Python 3	2014-05-23 12:13:49
4	Brian Harrington	0.02	Python 3	2014-09-13 20:32:57
5	Changyu Bi	0.02	Python 3	2014-09-13 23:05:13
6	Kalindu De Costa	0.02	Python 3	2014-09-16 03:01:24
7	Brady Hannula	0.02	Python 3	2014-09-20 21:59:22
8	Adam Brocklehurst	0.02	Python 3	2014-10-02 17:10:37
9	Caleb Cornett	0.02	Python 3	2014-10-09 23:46:41
10	Karl Wallinger	0.02	Python 3	2014-10-27 03:28:14

#	User	Runtime	Language	Date
1	Daniel Losvans	0.03	Ruby	2015-11-18 14:36:06
2	Taiju Yamada	0.03	Ruby	2015-12-11 03:20:36
3	Shayon Mukherjee	0.03	Ruby	2016-03-06 05:52:57
4	Gerry Hall	0.03	Ruby	2016-03-16 17:13:06
5	Leonardo Brito	0.03	Ruby	2016-03-20 00:28:35
6	Max Marmor	0.03	Ruby	2016-04-08 16:54:35
7	Wade Westfall	0.03	Ruby	2016-04-09 10:41:47
8	Michael	0.03	Ruby	2016-04-12 13:44:35
9	Kellen Watt	0.03	Ruby	2016-04-17 04:48:19
10	Sam Henry	0.03	Ruby	2016-04-25 18:49:13

#	User	Runtime	Language	Date
1	Danial Haseeb	0	Swift	2023-10-09 14:13:58

#	User	Runtime	Language	Date
1	KhantAr KarOo	0.04	Visual Basic	2024-02-13 08:03:38

#	User	Length	Language	Date
1	Max NC	27	APL	2023-09-09 01:19:34
2	Johan Clarström	29	APL	2023-03-12 00:38:04
3	Lucien Arnauld	62	APL	2023-03-10 18:51:15

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 12:29:01
2	Thomas Feld	13	Bash	2023-09-26 15:11:58

#	User	Length	Language	Date
1	Zachariah Goldthorpe	64	C	2017-08-16 04:05:30
2	Carl Pittenger	66	C	2024-03-23 10:04:03
3	Lawry Sorenson	84	C	2023-02-17 22:17:11
4	Martin Blom	125	C	2023-09-15 10:31:52
5	Hidden user	137	C	2021-01-16 19:37:20
6	Chaitanya Ande	145	C	2018-01-25 19:55:12
7	Matthew Weston	146	C	2021-12-18 16:26:08
8	Hidden user	153	C	2018-08-26 02:30:26
9	Kevin Jones	155	C	2021-04-18 02:43:40
10	Christian Lindeström	160	C	2016-08-14 23:15:04

#	User	Length	Language	Date
1	Mikael Palokangas	109	C#	2023-08-09 11:44:27
2	Rohith Sahini	156	C#	2024-03-24 16:32:36
3	lavanya peddireddy	156	C#	2024-03-24 17:07:51
4	Rehaan Ahmed Abdul	165	C#	2024-03-23 17:43:48
5	Hidden user	215	C#	2015-12-06 16:51:44
6	Aiden Bilyeu	217	C#	2023-09-18 17:27:43
7	Brian Scott	232	C#	2017-09-27 12:04:00
8	Kunwei Zhang	253	C#	2018-02-04 03:03:02
9	李陆屿	253	C#	2018-12-27 04:37:54
10	Marek Bina	272	C#	2019-02-15 16:26:50

#	User	Length	Language	Date
1	Carl Pittenger	87	C++	2024-03-23 10:13:24
2	Clinton Connelly	95	C++	2023-11-21 03:06:29
3	Ziv Lim	98	C++	2022-10-08 11:02:23
4	Dante Bencivenga	111	C++	2022-09-07 23:22:04
5	OwO	132	C++	2021-01-27 16:07:45
6	Robert Logi Jonsson	132	C++	2023-04-09 06:14:30
7	Kaiyue Li	138	C++	2020-05-17 15:47:13
8	Antonio Molina Lovett	147	C++	2016-08-05 11:07:01
9	Johan Wind	148	C++	2014-09-20 12:38:41
10	Chance Parsons	148	C++	2022-10-31 18:53:00

#	User	Length	Language	Date
1	Ole-Christian S. Hagenes	75	Common Lisp	2020-02-11 21:20:50
2	Ralf Jonas	84	Common Lisp	2023-09-08 09:38:34
3	Michal Žáček	99	Common Lisp	2022-08-04 08:08:24
4	Shubhamkar Ayare	126	Common Lisp	2019-07-15 07:07:15
5	David Cawthon	137	Common Lisp	2019-04-08 03:44:11
6	Philippos Boon Alexaki	140	Common Lisp	2019-11-18 22:49:36
7	wibi	170	Common Lisp	2020-09-02 19:36:34
8	J Sotomayor	202	Common Lisp	2024-01-09 23:20:58
9	yraten	211	Common Lisp	2024-04-10 19:17:33
10	Jinwoo Lee	366	Common Lisp	2020-10-07 04:57:29

#	User	Length	Language	Date
1	CharsKun	235	Dart	2023-05-29 06:53:57
2	Stefan Holm	405	Dart	2024-06-25 07:54:00
3	Bobby Jonathan	438	Dart	2023-07-25 07:51:49
4	Christoforos Pantazi	774	Dart	2023-09-11 12:39:18

#	User	Length	Language	Date
1	Mikael Fangel	174	F#	2023-08-31 22:32:44
2	Jacob Harris Cryer Kragh	209	F#	2022-05-22 15:43:09
3	Stefan Schmiedl	406	F#	2024-08-21 22:32:48
4	Chris Rudolph	861	F#	2020-10-11 00:58:22
5	Patrick Bahr	1926	F#	2021-02-13 10:52:36

#	User	Length	Language	Date
1	Hidden user	153	Go	2021-12-14 09:19:18
2	Tante Emma	166	Go	2018-02-07 19:11:37
3	Jón Steinn Elíasson	196	Go	2017-02-23 21:00:18
4	Paul Boddington	204	Go	2016-05-17 19:29:53
5	Ian Howell	215	Go	2016-06-09 02:16:09
6	Ramon Rodrigues	230	Go	2021-12-01 16:56:05
7	Anders Hagward	248	Go	2013-03-07 11:47:33
8	Peter Deal	251	Go	2016-04-25 20:28:34
9	Kiki Ibrahim	294	Go	2024-05-30 05:36:47
10	Metin Gülseven	301	Go	2019-05-03 14:21:07

#	User	Length	Language	Date
1	Rudy Matela	63	Haskell	2023-09-11 23:02:48
2	David Wärn	104	Haskell	2015-07-17 17:49:01
3	Ryan O'Hara	116	Haskell	2021-03-08 08:28:36
4	Matthew Craven	155	Haskell	2020-02-25 23:03:40
5	Sebastian Banert	159	Haskell	2023-04-06 10:09:50
6	Erik Präntare	169	Haskell	2017-03-13 11:55:49
7	Alva Edvardsson	172	Haskell	2021-09-16 11:05:37
8	Erik Hesselink	181	Haskell	2020-02-19 22:42:14
9	Oisín Mac Fhearaí	184	Haskell	2021-01-09 17:55:57
10	Phan Ngọc Tiên	192	Haskell	2022-03-26 09:10:32

#	User	Length	Language	Date
1	Hassam Uddin	220	Java	2019-09-09 20:19:22
2	Lim Ting Kai	224	Java	2023-06-30 22:46:24
3	Dietrich Daroch	228	Java	2016-08-27 04:33:44
4	Lena Ruiz	235	Java	2016-12-15 21:53:48
5	Jakob Bagge	241	Java	2017-11-12 16:42:39
6	William Brigham	244	Java	2017-04-17 08:31:51
7	Remigijus Vainoris	245	Java	2016-10-06 16:29:12
8	Orion Reynolds	245	Java	2018-10-19 00:58:25
9	Albert Luu	246	Java	2016-01-25 03:41:53
10	Govind Chada	246	Java	2017-04-05 05:36:09

#	User	Length	Language	Date
1	Karim Dridi	153	JavaScript (Node.js)	2022-01-13 23:16:56
2	Vu Van Dung	179	JavaScript (Node.js)	2022-09-01 18:44:23
3	Stian Toften	243	JavaScript (Node.js)	2021-04-17 01:23:58
4	Emil Larsson	250	JavaScript (Node.js)	2019-06-20 12:50:15
5	Dario Delle Donne	252	JavaScript (Node.js)	2018-12-17 21:57:09
6	Antoine Bauri	255	JavaScript (Node.js)	2021-02-16 00:26:25
7	Qom Javadolaemeh	274	JavaScript (Node.js)	2019-01-02 10:15:00
8	Jesper Svendgaard Åhman Hansen	275	JavaScript (Node.js)	2023-01-28 16:38:05
9	Howard Tin Chi Chan	281	JavaScript (Node.js)	2021-01-29 23:12:49
10	Ali	298	JavaScript (Node.js)	2021-12-17 10:32:11

#	User	Length	Language	Date
1	Christian Cederquist	66	JavaScript (SpiderMonkey)	2022-11-11 00:08:29
2	Hà Minh Ngọc	75	JavaScript (SpiderMonkey)	2016-07-26 11:31:49
3	Graham Fairweather	75	JavaScript (SpiderMonkey)	2017-10-10 17:14:40
4	Nathan O'Brien	78	JavaScript (SpiderMonkey)	2015-05-20 22:59:58
5	Zachary DeStefano	79	JavaScript (SpiderMonkey)	2018-09-10 01:55:30
6	Jonas Tranberg Sørensen	80	JavaScript (SpiderMonkey)	2017-03-27 19:57:44
7	Robin Livesey	80	JavaScript (SpiderMonkey)	2018-04-14 20:09:10
8	Roman Gusev	81	JavaScript (SpiderMonkey)	2016-02-19 10:58:18
9	Andrew Gemmel	81	JavaScript (SpiderMonkey)	2016-11-02 04:17:14
10	Jimmy Gustafsson	81	JavaScript (SpiderMonkey)	2022-06-18 22:26:04

#	User	Length	Language	Date
1	Danny Robinson	81	Julia	2023-06-21 02:11:24
2	Charlie Collins	312	Julia	2023-08-26 22:54:05
3	Timothy Gaede	357	Julia	2024-03-19 08:28:44

#	User	Length	Language	Date
1	Simon Lixenfeld	74	Kotlin	2021-06-14 11:35:59
2	axl	74	Kotlin	2019-08-05 13:07:06
3	Yang Tang	76	Kotlin	2023-06-17 08:58:15
4	Aleksander	76	Kotlin	2023-12-28 00:55:12
5	Nicholas Johnson	82	Kotlin	2019-12-15 21:25:45
6	Dmitry Shostak	103	Kotlin	2018-06-09 15:41:21
7	Albert Pala	112	Kotlin	2021-05-27 04:12:47
8	Hawk Wietlol	114	Kotlin	2019-03-21 18:09:41
9	Maria Mihai	135	Kotlin	2021-06-26 00:43:14
10	Eloy Hernández	162	Kotlin	2021-10-07 01:11:11

#	User	Length	Language	Date
1	Hidden user	215	OCaml	2019-03-25 17:37:56
2	Sam Henke	226	OCaml	2023-09-29 04:57:24

#	User	Length	Language	Date
1	David Connolly	290	Pascal	2017-08-17 16:37:14
2	Vitas	290	Pascal	2019-12-26 12:48:01

#	User	Length	Language	Date
1	Saito Ta	33	Perl	2024-03-27 11:30:26

#	User	Length	Language	Date
1	Ali Pandidan	53	PHP	2016-10-28 23:57:40
2	Hidden user	71	PHP	2016-09-25 18:44:46
3	Mohammed Yousif	91	PHP	2018-04-25 13:41:55
4	Mohammad R. Mousavi	96	PHP	2015-12-16 21:58:00
5	Helbin Grégory	99	PHP	2020-09-09 15:13:50
6	Jonas Lindenskov Nielsen	106	PHP	2019-09-15 11:49:35
7	Steven D. Wilson	113	PHP	2016-03-17 03:35:59
8	Fátima De La Paz Cabada Subías	114	PHP	2017-06-03 23:22:55
9	José Rodríguez Escobar	124	PHP	2017-06-04 19:38:54
10	Hidden user	124	PHP	2018-02-09 20:50:55

#	User	Length	Language	Date
1	Hakan Kjellerstrand	249	Prolog	2023-01-29 10:06:47
2	Hadi Qovaizi	1257	Prolog	2016-04-08 21:18:07

#	User	Length	Language	Date
1	Erik Månsson	38	Python 3	2014-12-07 02:58:50
2	Hidden user	38	Python 3	2016-09-23 13:33:44
3	Chinmay Viraj Raut	38	Python 3	2017-11-30 22:11:29
4	Ryan Looney	38	Python 3	2019-10-21 03:24:10
5	Kattis Speedrun	38	Python 3	2022-07-21 20:54:22
6	Dante Bencivenga	38	Python 3	2022-09-07 23:37:30
7	Wernher To	38	Python 3	2023-04-25 02:57:17
8	Clement Oh	38	Python 3	2023-04-30 18:43:05
9	Lyndon Ho	38	Python 3	2023-07-25 06:09:22
10	Millie Lægreid Solem	38	Python 3	2023-08-22 15:26:29

#	User	Length	Language	Date
1	Paloma Merrill	28	Ruby	2021-09-26 16:37:19
2	Thomas Feld	28	Ruby	2022-11-07 12:30:27
3	Arduino Borguino	28	Ruby	2023-02-06 02:59:04
4	Russell Ng	28	Ruby	2024-08-16 11:31:15
5	Frederik Spang	34	Ruby	2022-09-30 15:35:49
6	Taiju Yamada	35	Ruby	2015-12-11 03:20:36
7	Régis Hanol	35	Ruby	2022-01-05 18:03:47
8	Frederik Petersen	35	Ruby	2022-10-12 09:18:49
9	Alexander Bilde Pedersen	35	Ruby	2023-04-22 22:18:31
10	Martin Larsson	36	Ruby	2018-02-03 12:47:58

#	User	Length	Language	Date
1	Vincent Lagerros	144	Rust	2024-09-12 22:05:24
2	David Aldenbro	194	Rust	2023-09-18 09:11:39
3	Hidden user	258	Rust	2021-10-12 19:03:17
4	Ascale Enmey	263	Rust	2022-09-15 02:41:38
5	Mongkonchai Priyachiwa	314	Rust	2018-11-05 19:11:52
6	Pankajkumar Patro	318	Rust	2024-05-05 13:14:09
7	Jonas van der Schaaf	323	Rust	2020-02-27 19:11:36
8	Jansen Craft	325	Rust	2024-03-27 23:49:47
9	Kjartan Óli Ágústsson	341	Rust	2021-08-10 16:04:16
10	Emir Derouiche	347	Rust	2020-02-20 18:35:59

#	User	Length	Language	Date
1	Danial Haseeb	280	Swift	2023-10-09 14:13:58

#	User	Length	Language	Date
1	KhantAr KarOo	408	Visual Basic	2024-02-13 08:12:35

Solution running time distribution