Problem A
Alphabet Animals — Problem Statistics

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Submissions	14105
Accepted submissions	2643
Submission ratio	18.74%
Authors	2453
Accepted authors	1790
Author ratio	72.97%

#	User	Runtime	Language	Date
1	Duane Littleton	0.00 s	C	2019-10-30 17:01:14
2	Bryan Heryanto	0.01 s	C	2019-10-05 13:39:56
3	Bergur Snorrason	0.01 s	C	2019-10-06 14:16:33
4	Eyleifur Bjarkason	0.01 s	C	2019-10-09 23:40:42
5	Anton Siderud	0.01 s	C	2019-10-12 23:59:17
6	Mikael K Eriksson	0.01 s	C	2021-06-25 09:30:53
7	Jacob	0.01 s	C	2021-08-26 22:01:28
8	Raymond Yang	0.01 s	C	2021-09-03 01:41:31
9	Layne	0.01 s	C	2021-09-06 23:13:47
10	Hayden Murphy	0.01 s	C	2021-09-07 06:31:11

#	User	Runtime	Language	Date
1	Henrik Hallbert	0.06 s	C#	2019-10-07 21:14:17
2	Jonas Røygaard	0.06 s	C#	2019-10-09 17:12:20
3	Frian Tampake	0.06 s	C#	2023-06-09 03:50:05
4	Sano Gharzani	0.06 s	C#	2023-10-02 19:40:39
5	Ali Aliev	0.06 s	C#	2024-07-18 22:01:07
6	Klas Björkqvist	0.07 s	C#	2019-10-20 17:25:08
7	Khalil Oxborough	0.07 s	C#	2022-04-19 03:53:15
8	Semyon Weibull	0.08 s	C#	2022-10-14 16:07:27
9	Robert Kyrk	0.09 s	C#	2019-10-07 12:16:33
10	Morten A	0.10 s	C#	2019-10-05 11:28:53

#	User	Runtime	Language	Date
1	Victor Racso Galvan Oyola	0.01 s	C++	2019-10-05 15:26:00
2	Zihan Wang	0.01 s	C++	2019-10-13 19:16:59
3	盛宇航	0.01 s	C++	2019-10-23 12:42:31
4	Frank Endriss	0.01 s	C++	2020-01-15 12:05:45
5	Kevin Chevalier	0.01 s	C++	2020-09-02 13:09:57
6	chen zexing	0.01 s	C++	2020-10-06 14:30:17
7	Grae Yeandle	0.01 s	C++	2021-04-02 14:30:16
8	Matt Gagne	0.01 s	C++	2021-09-09 00:32:41
9	Árni Bjarnsteinsson	0.01 s	C++	2022-03-16 21:38:50
10	Lin Lee	0.01 s	C++	2022-04-22 13:00:33

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.03 s	Crystal	2025-07-23 01:01:03

#	User	Runtime	Language	Date
1	Norbert Voelker	0.03 s	Go	2023-04-18 12:32:17
2	Hidden user	0.03 s	Go	2023-08-24 00:35:22
3	Gregory Vincic	0.08 s	Go	2021-11-27 20:31:50
4	Hidden user	0.09 s	Go	2021-11-29 10:13:39
5	Krzysztof Gibuła	0.17 s	Go	2022-03-27 20:13:01

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.02 s	Haskell	2025-08-12 13:45:06
2	Hidden user	0.03 s	Haskell	2022-04-13 19:32:59
3	Lars Brünjes	0.03 s	Haskell	2023-02-25 21:30:35
4	Andres Delgado	0.26 s	Haskell	2023-01-17 20:24:24
5	Sebastian Paaske Tørholm	0.29 s	Haskell	2019-10-13 23:08:31
6	Mason Barnhill	0.35 s	Haskell	2023-05-10 07:25:14
7	Rudy Matela	0.86 s	Haskell	2023-09-06 16:11:49

#	User	Runtime	Language	Date
1	Duane Littleton	0.11 s	Java	2019-10-30 14:38:31
2	David Brink	0.12 s	Java	2021-09-10 20:30:55
3	Liam Keliher	0.14 s	Java	2024-07-03 03:06:36
4	Markus Bao	0.15 s	Java	2024-04-21 15:15:19
5	Mack Wong Yoong Yee	0.15 s	Java	2024-06-16 05:01:21
6	Ryan Tan	0.16 s	Java	2022-03-25 10:41:10
7	Samuel Klingström	0.17 s	Java	2020-05-19 19:33:16
8	Mufaddal Naya	0.18 s	Java	2020-07-04 12:51:49
9	Lin Lê	0.18 s	Java	2021-07-15 21:52:25
10	Amy Colpitts	0.18 s	Java	2024-07-03 01:50:43

#	User	Runtime	Language	Date
1	Oliver Larsson	0.17 s	JavaScript (Node.js)	2022-10-14 14:36:11
2	Peter Kedemo	0.48 s	JavaScript (Node.js)	2019-12-24 00:24:38

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.07 s	JavaScript (SpiderMonkey)	2019-11-10 14:48:48
2	Christian Cederquist	0.07 s	JavaScript (SpiderMonkey)	2023-06-08 06:48:00

#	User	Runtime	Language	Date
1	Timothy Gaede	0.73 s	Julia	2024-04-24 03:19:43

#	User	Runtime	Language	Date
1	Jacob Huebner	0.23 s	Kotlin	2021-08-01 19:56:56
2	Phường Lên	0.24 s	Kotlin	2020-08-25 17:31:05
3	Nicholas Johnson	0.29 s	Kotlin	2021-08-03 19:46:40
4	Benjamin Ye	0.33 s	Kotlin	2022-02-12 19:19:45
5	Taylor South	0.36 s	Kotlin	2023-04-18 23:29:11
6	Adam Rankin	0.36 s	Kotlin	2023-09-27 00:59:27
7	Andreas Wassum	0.40 s	Kotlin	2020-01-17 23:48:56
8	Thanh Le	0.50 s	Kotlin	2020-09-21 23:59:08
9	Ola Sundell	0.52 s	Kotlin	2019-11-01 13:32:48
10	Matthew Lutze	0.54 s	Kotlin	2019-10-11 05:56:50

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	PHP	2021-01-20 15:33:43
2	Marcus Salzer	0.04 s	PHP	2024-10-02 19:13:11
3	Renate	0.06 s	PHP	2022-08-13 04:09:32

#	User	Runtime	Language	Date
1	Andriy Zyevakov	1.82 s	Prolog	2025-03-01 10:48:07

#	User	Runtime	Language	Date
1	Amelia Brown	0.05 s	Python 2	2019-11-19 03:56:26
2	Yanmarshus Bachtiar	0.05 s	Python 2	2020-08-17 09:32:06
3	Johan Lyts	0.05 s	Python 2	2020-09-13 14:09:04
4	Hidden user	0.06 s	Python 2	2019-10-05 11:33:19
5	Hidden user	0.06 s	Python 2	2019-10-05 12:06:22
6	Andreas Björklund	0.07 s	Python 2	2019-10-05 12:49:55
7	Björn Magnusson	0.07 s	Python 2	2019-10-05 18:58:56
8	Lars Åström	0.07 s	Python 2	2019-10-05 22:50:25
9	Viktor Bello Thomsen	0.07 s	Python 2	2019-10-07 11:23:22
10	Radella Li	0.07 s	Python 2	2019-10-28 04:27:00

#	User	Runtime	Language	Date
1	Joshua	0.05 s	Python 3	2019-10-06 11:25:39
2	Ben Stutzman	0.05 s	Python 3	2019-10-13 19:51:28
3	Yosuke Mizutani	0.05 s	Python 3	2019-11-09 04:09:01
4	Hanne Kyllo Ødegård	0.06 s	Python 3	2019-10-05 12:04:31
5	Niklas Hole	0.06 s	Python 3	2019-10-05 12:39:51
6	Arturas Aleksandrauskas	0.06 s	Python 3	2019-10-05 17:12:25
7	Ram Basnet	0.06 s	Python 3	2019-10-08 04:36:21
8	Duane Littleton	0.06 s	Python 3	2019-10-30 13:47:15
9	Jesper Torp Kristensen	0.07 s	Python 3	2019-10-05 11:32:48
10	Will Belote	0.07 s	Python 3	2019-10-19 18:17:53

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	Ruby	2019-11-27 18:25:14
2	John Rabaey	0.12 s	Ruby	2020-04-10 19:59:04
3	Thomas Feld	0.13 s	Ruby	2023-05-08 10:43:06
4	Josenildo Silva	0.52 s	Ruby	2020-06-08 15:10:45

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-09-02 22:14:49
2	Jason Hooper	0.01 s	Rust	2022-03-19 17:34:50
3	Z S	0.01 s	Rust	2023-03-29 03:20:47
4	Ole Johan Walderhaug	0.02 s	Rust	2020-11-05 01:45:11
5	David Rasch	0.02 s	Rust	2020-11-18 13:35:12
6	Daniel Anker Hermansen	0.02 s	Rust	2023-05-18 15:31:34
7	Lasse Wendtland Edslev	0.02 s	Rust	2024-09-24 17:57:59
8	Egor Kulikov	0.02 s	Rust	2024-11-01 09:49:57
9	Pahlevi Fikri Auliya	0.04 s	Rust	2020-11-08 12:36:09
10	Simon Hallefält	0.04 s	Rust	2023-09-19 20:59:54

#	User	Length	Language	Date
1	Khoi Vu	655	C	2021-09-07 08:53:55
2	Raymond Yang	779	C	2021-09-03 01:41:31
3	Mikael K Eriksson	824	C	2021-06-25 09:30:53
4	Ivan Petrov	1010	C	2019-10-09 10:31:13
5	Hoan Tran	1015	C	2022-01-19 16:52:28
6	Brooke B	1046	C	2021-09-08 07:21:39
7	Luke Knowles	1060	C	2021-09-08 20:36:12
8	Kayla Marcantonio	1060	C	2021-09-12 06:22:56
9	Bryan Heryanto	1062	C	2019-10-05 13:39:56
10	Daniel Gordon	1099	C	2022-02-08 08:18:12

#	User	Length	Language	Date
1	Ali Aliev	792	C#	2024-07-19 00:09:25
2	Håkan Sjöström	833	C#	2021-11-18 11:52:37
3	Jonas Røygaard	988	C#	2019-10-09 17:12:20
4	Semyon Weibull	1015	C#	2022-10-14 16:07:27
5	Björn Pettersson	1029	C#	2019-10-05 12:03:57
6	Morten A	1127	C#	2019-10-05 11:28:53
7	Klas Björkqvist	1208	C#	2019-10-20 17:25:08
8	Robert Kyrk	1378	C#	2019-10-07 12:16:33
9	Sano Gharzani	1471	C#	2023-10-02 19:40:39
10	Narod Gars Garabedian	1503	C#	2023-04-15 22:05:46

#	User	Length	Language	Date
1	Shang Zhou	466	C++	2022-01-06 03:21:15
2	Evan Michael Bailey	489	C++	2023-07-26 18:14:14
3	Grae Yeandle	494	C++	2021-04-02 14:30:16
4	Michael Phillotry	517	C++	2023-02-18 21:20:29
5	SleepyOverlord	517	C++	2024-10-13 10:45:28
6	Nguyen Van Anh Tuan	519	C++	2020-06-17 09:43:35
7	Hyunjun Lee	531	C++	2022-11-12 17:41:48
8	Nhi Lưu Yến	536	C++	2020-06-18 05:23:26
9	Valtteri Aurela	549	C++	2023-09-27 14:46:41
10	a_b__c	552	C++	2021-03-01 18:11:06

#	User	Length	Language	Date
1	Javier Gómez Díaz	395	Crystal	2025-07-23 01:01:03

#	User	Length	Language	Date
1	Hidden user	941	Go	2023-08-24 00:46:39
2	Norbert Voelker	981	Go	2023-04-18 12:38:19
3	Krzysztof Gibuła	1019	Go	2022-03-27 20:13:01
4	Hidden user	1312	Go	2021-11-29 10:15:09
5	Gregory Vincic	1333	Go	2021-11-22 15:42:59

#	User	Length	Language	Date
1	Steinar Simonnes	530	Haskell	2025-08-12 13:45:06
2	Sebastian Paaske Tørholm	608	Haskell	2019-10-13 23:08:31
3	Mason Barnhill	611	Haskell	2023-05-10 07:25:14
4	Andres Delgado	911	Haskell	2023-01-17 20:24:24
5	Rudy Matela	1147	Haskell	2023-09-06 16:11:49
6	Hidden user	1840	Haskell	2022-04-13 19:32:59
7	Lars Brünjes	2727	Haskell	2023-02-25 21:30:35

#	User	Length	Language	Date
1	Quinn Gilbert	704	Java	2021-09-09 03:49:40
2	Sean Herrera	731	Java	2022-01-28 05:49:49
3	kenneth h	732	Java	2021-09-08 02:22:17
4	Matthew Membreno	736	Java	2023-12-01 17:39:15
5	Sagnik Biswas	757	Java	2024-10-05 05:33:21
6	Agnes Hardy Bertelsen	760	Java	2019-10-08 13:50:10
7	Evan Losier	798	Java	2019-10-17 03:24:24
8	Jacob Magnuson	852	Java	2019-11-01 18:00:08
9	Corrissa Smith	875	Java	2022-02-03 17:25:32
10	Mark van Helvoort	951	Java	2019-10-23 14:42:12

#	User	Length	Language	Date
1	Oliver Larsson	1077	JavaScript (Node.js)	2022-10-14 14:36:11
2	Peter Kedemo	1153	JavaScript (Node.js)	2019-12-24 00:24:38

#	User	Length	Language	Date
1	Christian Cederquist	626	JavaScript (SpiderMonkey)	2023-06-08 06:48:00
2	Bjørn Chr. Soltvedt	681	JavaScript (SpiderMonkey)	2019-11-10 14:48:48

#	User	Length	Language	Date
1	Timothy Gaede	972	Julia	2024-04-24 03:12:38

#	User	Length	Language	Date
1	Hidden user	741	Kotlin	2019-11-01 09:21:51
2	Adam Rankin	789	Kotlin	2023-09-27 00:59:27
3	Matthew Lutze	795	Kotlin	2019-10-11 05:56:50
4	Jacob Huebner	895	Kotlin	2021-08-01 19:56:56
5	Taylor South	961	Kotlin	2023-04-18 23:29:11
6	Thanh Le	1070	Kotlin	2020-09-21 23:59:08
7	Phường Lên	1108	Kotlin	2020-08-25 17:31:05
8	Ola Sundell	1260	Kotlin	2019-11-01 13:32:48
9	Frederik Bjørn Groben Nielsen	1441	Kotlin	2021-03-21 13:02:48
10	Benjamin Ye	1509	Kotlin	2022-02-12 19:19:45

#	User	Length	Language	Date
1	Marcus Salzer	934	PHP	2024-10-02 19:13:11
2	Hidden user	1142	PHP	2021-01-20 15:33:43
3	Renate	2392	PHP	2022-08-13 04:09:32

#	User	Length	Language	Date
1	Andriy Zyevakov	5259	Prolog	2025-03-01 10:48:07

#	User	Length	Language	Date
1	Thomas Feld	288	Python 2	2019-10-16 09:23:52
2	Björn Magnusson	346	Python 2	2019-10-05 18:58:56
3	Lars Åström	362	Python 2	2019-10-05 22:50:25
4	Asger Hautop Drewsen	448	Python 2	2019-10-06 00:34:38
5	Oskar Haarklou Veileborg	448	Python 2	2019-10-06 16:32:01
6	Andreas Björklund	455	Python 2	2019-10-05 12:49:55
7	Måns Magnusson	472	Python 2	2019-10-06 13:21:28
8	Maj Stenmark	472	Python 2	2019-10-06 13:36:20
9	Snild Dolkow	482	Python 2	2019-10-05 18:49:42
10	Johan Lyts	541	Python 2	2020-09-11 21:58:32

#	User	Length	Language	Date
1	Martin Handest	241	Python 3	2023-09-08 17:04:15
2	Ahmed Chamseddine	249	Python 3	2024-11-15 20:25:55
3	Peter Stauder	260	Python 3	2023-05-14 17:42:56
4	Kelly Dance	281	Python 3	2022-10-22 00:30:42
5	Jason Clarke	282	Python 3	2024-04-15 22:04:26
6	Timothy White	285	Python 3	2023-03-09 03:34:38
7	Ragur Krishnan	315	Python 3	2019-10-22 00:34:36
8	Thomas Vu	317	Python 3	2019-10-22 20:39:26
9	Hidden user	321	Python 3	2023-04-20 15:30:34
10	Suus Brommer	324	Python 3	2025-05-12 09:24:17

#	User	Length	Language	Date
1	Thomas Feld	120	Ruby	2023-05-08 10:58:06
2	Josenildo Silva	422	Ruby	2020-06-08 15:10:45
3	John Rabaey	569	Ruby	2020-04-10 19:59:04
4	Hidden user	619	Ruby	2019-11-27 18:25:14

#	User	Length	Language	Date
1	Vincent Lagerros	937	Rust	2024-05-17 13:38:45
2	Simon Hallefält	1099	Rust	2023-09-19 20:59:54
3	Z S	1184	Rust	2023-03-29 03:20:47
4	Lasse Wendtland Edslev	1189	Rust	2024-09-24 17:57:59
5	David Rasch	1338	Rust	2020-11-18 13:35:12
6	Ole Johan Walderhaug	1403	Rust	2020-11-05 01:45:11
7	Jason Hooper	1983	Rust	2022-03-19 17:34:50
8	Pahlevi Fikri Auliya	2857	Rust	2020-11-08 12:36:09
9	Daniel Anker Hermansen	17346	Rust	2023-05-18 15:31:34
10	Egor Kulikov	30003	Rust	2024-11-01 09:49:57

Solution running time distribution