Problem A
Racing Around the Alphabet — Problem Statistics

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Submissions	3257
Accepted submissions	1972
Submission ratio	60.55%
Authors	1885
Full solves [?]	1791
Full solve Ratio	95.01%

#	User	Runtime	Language	Date
1	Duelene Olson	0.02 s	C#	2017-11-11 01:20:17
2	Johan Pettersson	0.02 s	C#	2017-11-19 09:37:33
3	Andreas Ljungberg	0.02 s	C#	2017-12-17 16:22:00
4	Андрей Морозов	0.02 s	C#	2018-01-24 14:08:05
5	Ólafur Andri	0.02 s	C#	2018-01-31 22:32:12
6	Kunwei Zhang	0.02 s	C#	2018-02-06 12:52:47
7	Johan Flinke	0.02 s	C#	2018-04-06 10:51:03
8	Alex Telon	0.02 s	C#	2018-04-08 12:50:33
9	Дмитро Рудий	0.02 s	C#	2018-04-20 11:27:07
10	Jonas Svedberg	0.02 s	C#	2018-05-17 20:30:38

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-10 21:44:17
2	David Cawthon	0.02 s	Common Lisp	2019-04-20 17:47:51
3	Nicholas Lantz	0.02 s	Common Lisp	2019-04-28 01:32:04

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-07-16 23:30:05
2	Patrick Bahr	0.05 s	F#	2021-02-20 23:01:14

#	User	Runtime	Language	Date
1	Joachim Horshauge	0.00 s	Go	2024-06-04 18:47:55
2	Jimmy Nejtron	0.00 s	Go	2025-01-13 21:35:02
3	Krzysztof Gibuła	0.02 s	Go	2019-02-19 00:21:36
4	T COM	0.02 s	Go	2021-02-25 13:39:37
5	Arne Philipeit	0.07 s	Go	2018-11-07 05:06:58
6	Hidden user	0.08 s	Go	2017-12-06 21:14:00
7	Wojtek Bednarzak	0.08 s	Go	2018-05-01 16:44:13
8	Norbert Voelker	0.08 s	Go	2021-04-11 23:51:34
9	Matthew Chao	0.09 s	Go	2018-05-07 19:53:02

#	User	Runtime	Language	Date
1	Nick Wu	0.05 s	Java	2017-10-28 18:21:06
2	Alex Zabashta	0.05 s	Java	2017-10-28 18:45:45
3	Finn Lidbetter	0.05 s	Java	2017-10-29 18:38:20
4	Eimhin McDonald	0.05 s	Java	2017-10-31 02:33:50
5	David Koval	0.05 s	Java	2017-10-31 18:09:29
6	Micah Stairs	0.05 s	Java	2017-11-01 01:35:04
7	James Black	0.05 s	Java	2017-11-03 19:05:00
8	Mitch Price	0.05 s	Java	2017-11-06 19:45:19
9	Yordan Yordanov	0.05 s	Java	2017-11-19 01:55:39
10	Stela Palii	0.05 s	Java	2017-12-02 22:46:59

#	User	Runtime	Language	Date
1	Alvar Lagerlof	0.05 s	JavaScript (Node.js)	2018-06-12 00:50:15
2	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-28 19:37:08
3	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-21 19:37:28
4	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-02 20:38:41
5	John	0.42 s	JavaScript (Node.js)	2020-07-27 08:54:58
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-03 06:32:24

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-10-30 00:38:50
2	Andrea Bianchessi	0.01 s	JavaScript (SpiderMonkey)	2017-12-28 10:17:52
3	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2017-12-29 14:36:01
4	Ian Middleton	0.01 s	JavaScript (SpiderMonkey)	2018-02-01 19:22:59
5	Stephanie Sutanto	0.01 s	JavaScript (SpiderMonkey)	2018-02-06 03:48:22
6	Robin Livesey	0.01 s	JavaScript (SpiderMonkey)	2018-04-18 11:34:10
7	Tuomo Olavi	0.01 s	JavaScript (SpiderMonkey)	2018-04-23 11:30:35
8	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-01-02 21:49:34
9	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-11-15 23:15:51
10	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-14 12:22:16

#	User	Runtime	Language	Date
1	Timothy Gaede	0.72 s	Julia	2024-04-09 15:58:43

#	User	Runtime	Language	Date
1	Stefan Kennedy	0.18 s	Kotlin	2017-12-04 21:55:40
2	Nick Ivanov	0.18 s	Kotlin	2018-03-05 05:13:59
3	Filip Belik	0.18 s	Kotlin	2019-11-01 04:48:29
4	Ellis Tsung	0.19 s	Kotlin	2018-11-01 01:39:59
5	Dayan Ruben Gonzalez	0.19 s	Kotlin	2020-10-11 02:27:22
6	Nicholas Johnson	0.19 s	Kotlin	2020-11-16 01:24:19
7	Albert Pala	0.19 s	Kotlin	2021-06-29 16:21:01
8	Neil Harmon	0.20 s	Kotlin	2019-04-04 11:45:19
9	Adam Rankin	0.20 s	Kotlin	2023-08-25 23:46:31
10	Troy Warmboe	0.22 s	Kotlin	2023-04-11 02:07:39

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-02-04 22:47:26
2	David Connolly	0.00 s	Pascal	2021-11-22 17:57:35

#	User	Runtime	Language	Date
1	Emil Riis Hansen	0.01 s	PHP	2018-10-29 15:02:07
2	Alessandro Pasqualini	0.01 s	PHP	2019-01-13 19:30:54
3	Renate	0.01 s	PHP	2021-05-10 00:23:14
4	Andre Wahyudi	0.01 s	PHP	2022-10-14 09:17:20

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2019-04-17 11:41:34

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-18 22:26:20
2	Christofer Ohlsson	0.03 s	Python 2	2017-10-28 18:45:15
3	Vaibhav Tulsyan	0.03 s	Python 2	2017-10-28 23:09:51
4	Alexander Kimmel	0.03 s	Python 2	2017-11-01 02:13:08
5	udprogrammingteam Team	0.03 s	Python 2	2017-11-01 02:28:19
6	Taiqi He	0.03 s	Python 2	2017-11-04 00:37:23
7	Pu Chen	0.03 s	Python 2	2017-11-04 02:10:41
8	Andrei Stoica	0.03 s	Python 2	2017-11-10 14:51:50
9	Fan Zhang	0.03 s	Python 2	2017-11-13 05:45:57
10	Maksym Bendeberia	0.03 s	Python 2	2017-12-01 18:00:15

#	User	Runtime	Language	Date
1	Felipe Weiss	0.02 s	Python 3	2017-10-28 19:53:59
2	Rational	0.02 s	Python 3	2017-10-28 22:11:33
3	Atli Fannar Franklín	0.02 s	Python 3	2017-10-29 15:13:59
4	Alexei Fedotov	0.02 s	Python 3	2017-10-30 17:53:07
5	James Hamm	0.02 s	Python 3	2017-10-30 19:15:59
6	Rick May	0.02 s	Python 3	2017-11-04 06:55:09
7	Manu Lam	0.02 s	Python 3	2017-11-04 21:11:35
8	Albin Pansell	0.02 s	Python 3	2017-11-07 12:32:12
9	Gabriel Gessle	0.02 s	Python 3	2017-11-08 03:41:21
10	Martin Stensgård	0.02 s	Python 3	2017-11-18 01:24:06

#	User	Runtime	Language	Date
1	Paul Vinell	0.04 s	Ruby	2018-04-25 10:20:26
2	Hidden user	0.04 s	Ruby	2019-10-09 15:10:19
3	Nathan Derr	0.05 s	Ruby	2021-09-03 05:00:50
4	Régis Hanol	0.05 s	Ruby	2022-01-13 17:44:09
5	Thomas Feld	0.06 s	Ruby	2022-11-07 12:29:21
6	Patrick Elsen	0.07 s	Ruby	2019-04-24 23:51:22

#	User	Length	Language	Date
1	Martin Blom	360	C	2024-01-03 09:54:56
2	Wesley Stephanak	398	C	2019-02-08 13:40:28
3	Mohsen Hosseinpoorazar	605	C	2022-08-25 08:40:19
4	Emil Wihlander	681	C	2020-11-26 12:08:54
5	Donikon Fajar	702	C	2018-11-14 08:51:38
6	Seth Carter	707	C	2017-11-28 12:35:06
7	Mustapha Slimani	733	C	2021-01-09 00:07:22
8	Ximun Castoreo	740	C	2020-07-06 11:27:37
9	Ehsan Shoja	759	C	2018-07-06 05:12:39
10	Sơn Nguyễn Hồng	783	C	2019-02-01 03:54:06

#	User	Length	Language	Date
1	Marek Bina	766	C#	2019-02-15 09:04:11
2	Göran Andersson	790	C#	2022-05-08 03:32:27
3	Kunwei Zhang	824	C#	2018-02-06 12:52:47
4	Alireza Nasrollahzadeh	855	C#	2018-06-23 23:32:36
5	Thomas Norris	1147	C#	2019-06-20 06:41:33
6	Victor Hultén Mattsson	1343	C#	2021-07-07 15:41:38
7	Brennen Shaughnessy	1347	C#	2018-10-03 01:07:31
8	Kasper Kristoffersen	1401	C#	2018-06-16 19:38:36
9	Mike Garrett	1458	C#	2021-03-08 03:41:29
10	Marcos Kirchner	1477	C#	2021-05-20 13:03:54

#	User	Length	Language	Date
1	Sunny Nguyen	481	C++	2019-05-18 10:55:15
2	Nenad Čaklović	485	C++	2019-02-08 01:57:16
3	Luca Dolci	496	C++	2019-07-30 23:19:18
4	Johan Wind	499	C++	2018-03-15 02:48:29
5	William Gan	500	C++	2018-01-23 04:30:33
6	Fatma Jouda	526	C++	2018-11-16 23:20:42
7	Michael Wagner	526	C++	2018-12-18 08:10:45
8	Khanarop Herobrine	526	C++	2019-01-24 18:47:15
9	Frederick Pek	533	C++	2021-05-31 14:13:41
10	Khoi Phan Dinh	534	C++	2019-12-14 10:17:56

#	User	Length	Language	Date
1	David Cawthon	874	Common Lisp	2019-04-20 17:47:51
2	Nicholas Lantz	1275	Common Lisp	2019-04-28 01:32:04
3	Hidden user	1979	Common Lisp	2019-07-10 21:44:17

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1046	F#	2022-07-16 23:30:05
2	Patrick Bahr	2234	F#	2021-02-20 23:01:14

#	User	Length	Language	Date
1	Arne Philipeit	857	Go	2018-11-07 05:06:58
2	Krzysztof Gibuła	875	Go	2019-02-19 00:21:36
3	Wojtek Bednarzak	896	Go	2018-05-01 16:44:13
4	T COM	990	Go	2021-02-25 13:39:37
5	Jimmy Nejtron	1091	Go	2025-01-13 21:35:02
6	Norbert Voelker	1118	Go	2021-04-11 23:51:34
7	Joachim Horshauge	1274	Go	2024-06-04 18:47:55
8	Hidden user	1466	Go	2017-12-06 21:14:00
9	Matthew Chao	1498	Go	2018-05-07 19:53:02

#	User	Length	Language	Date
1	Llaurence Git	549	Haskell	2018-11-06 18:40:54
2	Brent Yorgey	607	Haskell	2017-10-28 20:19:04
3	Oisín Mac Fhearaí	628	Haskell	2021-01-21 01:12:46
4	Matthew Johnson	630	Haskell	2018-02-10 08:19:39
5	Qi Ji	636	Haskell	2018-06-19 21:10:34
6	Sebastian Banert	640	Haskell	2023-09-03 20:25:35
7	David Zacek	643	Haskell	2021-05-03 22:02:03
8	Olle Eriksson	659	Haskell	2017-11-12 21:55:17
9	Håkon Flatval	668	Haskell	2018-08-15 17:14:16
10	Hidden user	686	Haskell	2019-08-12 21:37:07

#	User	Length	Language	Date
1	Anand Iyer	654	Java	2018-08-25 21:44:31
2	Doug Goodman	682	Java	2017-10-29 15:52:06
3	Joseph Durie	707	Java	2019-04-20 05:57:11
4	Caeden Whitaker	708	Java	2020-07-02 23:58:09
5	Derrick Martin	721	Java	2018-05-18 07:26:49
6	Albert Wang	726	Java	2019-11-14 22:03:31
7	Duncan Page	728	Java	2019-09-26 19:39:39
8	Prakash Sanyasi	750	Java	2018-10-12 09:49:48
9	Nick Wu	755	Java	2017-10-28 18:21:06
10	Richard Peng	755	Java	2017-12-09 17:51:21

#	User	Length	Language	Date
1	Peter Kedemo	895	JavaScript (Node.js)	2019-12-21 19:37:28
2	Chris Wong	1120	JavaScript (Node.js)	2021-02-02 20:38:41
3	John	1329	JavaScript (Node.js)	2020-07-27 08:54:58
4	Andoko Chandra	1569	JavaScript (Node.js)	2020-10-03 06:32:24
5	Carl Sundvall	1662	JavaScript (Node.js)	2018-10-28 19:37:08
6	Alvar Lagerlof	2169	JavaScript (Node.js)	2018-06-12 00:50:15

#	User	Length	Language	Date
1	Jimmy Gustafsson	193	JavaScript (SpiderMonkey)	2024-06-14 12:22:16
2	Bjørn Chr. Soltvedt	428	JavaScript (SpiderMonkey)	2017-10-30 00:40:09
3	Peter Menyes	460	JavaScript (SpiderMonkey)	2021-01-02 21:49:34
4	Evan Magill	490	JavaScript (SpiderMonkey)	2024-10-15 00:34:13
5	Tuomo Olavi	491	JavaScript (SpiderMonkey)	2018-04-23 11:30:35
6	Christian Pilegaard Cederquist	578	JavaScript (SpiderMonkey)	2022-11-15 23:15:51
7	Bernard Perrin	590	JavaScript (SpiderMonkey)	2019-01-22 15:30:05
8	Andrea Bianchessi	667	JavaScript (SpiderMonkey)	2017-12-28 10:17:52
9	Robin Livesey	762	JavaScript (SpiderMonkey)	2018-04-18 11:34:10
10	Nicklas Utgaard	1013	JavaScript (SpiderMonkey)	2017-12-29 14:36:01

#	User	Length	Language	Date
1	Timothy Gaede	1137	Julia	2024-04-09 15:58:43

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	612	Kotlin	2020-10-11 02:27:22
2	Albert Pala	660	Kotlin	2021-06-29 16:21:01
3	Nicholas Johnson	676	Kotlin	2020-11-16 01:24:19
4	Filip Belik	790	Kotlin	2019-11-01 04:48:29
5	Stefan Kennedy	900	Kotlin	2017-12-04 21:55:40
6	Troy Warmboe	903	Kotlin	2023-04-11 02:07:39
7	Adam Rankin	958	Kotlin	2023-08-25 23:46:31
8	Hidden user	976	Kotlin	2020-04-14 00:55:52
9	Ellis Tsung	1070	Kotlin	2018-11-01 01:39:59
10	Nick Ivanov	1383	Kotlin	2018-03-05 05:13:59

#	User	Length	Language	Date
1	David Connolly	835	Pascal	2021-11-22 17:57:35
2	Ingemar Ragnemalm	1401	Pascal	2018-02-04 22:47:26

#	User	Length	Language	Date
1	Renate	731	PHP	2021-05-10 00:23:14
2	Alessandro Pasqualini	1202	PHP	2019-01-13 19:30:54
3	Emil Riis Hansen	1628	PHP	2018-10-29 15:02:07
4	Andre Wahyudi	1844	PHP	2022-10-14 09:17:20

#	User	Length	Language	Date
1	Andriy Zyevakov	761	Prolog	2019-04-17 11:41:34

#	User	Length	Language	Date
1	Thomas Feld	223	Python 2	2019-08-29 15:59:23
2	Justin Su	280	Python 2	2019-11-28 22:26:43
3	Hermon Mulat	310	Python 2	2018-01-29 07:03:46
4	Sigurður Jens Albertsson	344	Python 2	2017-12-04 21:33:13
5	Andreas Björklund	344	Python 2	2021-03-23 16:56:48
6	Justin Alan Middleton	375	Python 2	2018-02-06 17:19:23
7	Haggai Liu	379	Python 2	2018-01-14 19:27:34
8	Jesper Öqvist	388	Python 2	2018-10-19 17:19:02
9	Jeff Robertson	389	Python 2	2018-04-19 22:24:20
10	Lim Hong Hui Eugene	404	Python 2	2018-04-16 04:51:25

#	User	Length	Language	Date
1	Kevin Gomez	131	Python 3	2024-11-14 08:32:06
2	Tai Tze Kin	187	Python 3	2024-05-01 22:25:34
3	Charles Ancheta	201	Python 3	2023-03-28 09:03:22
4	Ahmed Chamseddine	222	Python 3	2024-07-06 23:04:37
5	Thomas Vu	226	Python 3	2019-10-10 00:30:24
6	Hidden user	240	Python 3	2023-04-14 15:46:06
7	Timothy White	247	Python 3	2021-10-23 15:04:58
8	Thibault Raffaillac	247	Python 3	2023-07-30 00:11:21
9	Kelly Dance	255	Python 3	2024-07-21 11:57:16
10	Markus Mathiasen	264	Python 3	2022-12-07 15:44:35

#	User	Length	Language	Date
1	Thomas Feld	126	Ruby	2022-11-07 12:29:21
2	Régis Hanol	228	Ruby	2022-01-13 17:44:09
3	Paul Vinell	422	Ruby	2018-04-25 10:20:26
4	Hidden user	443	Ruby	2019-10-09 15:10:19
5	Nathan Derr	579	Ruby	2021-09-03 05:00:50
6	Patrick Elsen	1819	Ruby	2019-04-24 23:51:22

#	User	Length	Language	Date
1	Emil Dichmann	570	Rust	2025-10-05 08:15:03
2	Bas Dirks	675	Rust	2022-01-24 08:13:52
3	Pankajkumar Patro	765	Rust	2024-11-04 18:05:20
4	Kok Dith	874	Rust	2021-08-01 16:58:29
5	Freek van Keulen	948	Rust	2021-07-11 14:27:52
6	Chaoyi Yin	1072	Rust	2019-03-28 20:02:00
7	Vincent Lagerros	1073	Rust	2025-02-03 13:02:56
8	Kevin Caffrey	1082	Rust	2018-12-31 00:33:30
9	Albert Rise Nielsen	1113	Rust	2020-10-12 19:01:12
10	Kunwei Zhang	1505	Rust	2022-12-12 03:41:34

Solution running time distribution