Problem A
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Submissions	2762
Accepted submissions	1403
Submission ratio	50.80%
Authors	1185
Accepted authors	1089
Author ratio	91.90%

#	User	Runtime	Language	Date
1	Arvid Jonasson	0.09 s	APL	2025-06-13 06:26:32

#	User	Runtime	Language	Date
1	Bas te Kolste	0.02 s	C#	2015-06-15 21:55:33
2	Андрей Титов	0.02 s	C#	2016-01-20 06:10:48
3	Nguyễn Thị Thùy Dung	0.02 s	C#	2016-07-11 08:09:55
4	Nguyễn Thị Thùy Dung	0.02 s	C#	2016-07-11 08:24:24
5	Nguyễn Mạnh Hùng	0.02 s	C#	2016-07-11 08:24:48
6	Ugnius Skučas	0.02 s	C#	2016-10-07 19:26:05
7	Rasmus Brants	0.02 s	C#	2017-05-09 09:39:56
8	Doug Goodman	0.02 s	C#	2018-08-17 23:35:04
9	Brian Scott	0.02 s	C#	2018-09-11 17:38:18
10	Garway Mei	0.02 s	C#	2019-03-21 01:02:28

#	User	Runtime	Language	Date
1	Msmeesks	0.00 s	Go	2024-09-19 17:35:01
2	James Robb	0.02 s	Go	2020-05-05 17:30:46
3	Krzysztof Gibuła	0.07 s	Go	2019-02-18 18:15:03
4	Việt Hà Nguyễn	0.08 s	Go	2016-07-03 09:07:47
5	James Robb	0.08 s	Go	2020-05-12 12:29:29

#	User	Runtime	Language	Date
1	Abel Martin	0.00 s	Haskell	2017-04-08 12:27:50
2	Matthew Johnson	0.01 s	Haskell	2017-01-04 05:02:41
3	Brent Yorgey	0.01 s	Haskell	2017-10-15 23:37:47
4	Chase Hinesman	0.01 s	Haskell	2018-05-11 05:25:27
5	Håkon Flatval	0.01 s	Haskell	2018-09-08 06:06:18
6	Ethan Partidas	0.01 s	Haskell	2018-12-03 06:08:25
7	Hidden user	0.01 s	Haskell	2019-09-22 12:07:14
8	Dominik Bollmann	0.01 s	Haskell	2020-11-16 09:02:01
9	Jan Hrček	0.01 s	Haskell	2025-01-03 13:09:02

#	User	Runtime	Language	Date
1	Liam Keliher	0.05 s	Java	2018-08-08 16:32:14
2	Erik Odenman	0.06 s	Java	2013-04-24 17:40:07
3	Rohit Prasad	0.06 s	Java	2015-12-03 08:20:26
4	Dennis Shi	0.06 s	Java	2015-12-29 06:50:12
5	Martijn Muijsers	0.06 s	Java	2016-09-26 00:34:48
6	Hidden user	0.06 s	Java	2016-11-28 20:19:24
7	Jonathan Strandberg	0.06 s	Java	2017-06-09 15:07:37
8	Nigel Quinn	0.06 s	Java	2018-06-01 23:15:25
9	Sven Rönnbäck	0.06 s	Java	2024-04-14 16:52:12
10	Daniel Olausson	0.07 s	Java	2013-04-24 19:54:43

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-23 17:14:24
2	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2016-04-03 20:40:22
3	Andri Andresson	0.02 s	JavaScript (SpiderMonkey)	2018-04-30 01:39:33
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-08 00:21:43
5	Håkan Lindahl	0.02 s	JavaScript (SpiderMonkey)	2022-06-15 16:38:35
6	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-29 20:02:36

#	User	Runtime	Language	Date
1	Timothy Gaede	0.70 s	Julia	2024-06-09 03:38:27

#	User	Runtime	Language	Date
1	Adam Rankin	0.18 s	Kotlin	2023-05-06 23:41:53
2	Colin Gay	0.24 s	Kotlin	2019-05-24 00:07:48
3	Dayan Ruben Gonzalez	0.24 s	Kotlin	2020-09-30 19:11:39

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-08-27 15:48:08

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.07 s	Prolog	2016-10-07 10:59:49
2	Hakan Kjellerstrand	0.07 s	Prolog	2023-03-03 08:30:44

#	User	Runtime	Language	Date
1	Stefan Kennedy	0.03 s	Python 2	2016-12-22 17:38:00
2	Hidden user	0.03 s	Python 2	2017-04-12 14:32:55
3	Illya Starikov	0.03 s	Python 2	2017-06-05 05:46:19
4	Andreas Eisele	0.03 s	Python 2	2018-10-16 23:30:48
5	Kyrylo Karavaev	0.03 s	Python 2	2022-07-30 15:23:52
6	Alex Meade	0.04 s	Python 2	2013-10-11 02:56:47
7	Christofer Ohlsson	0.04 s	Python 2	2015-07-27 20:38:15
8	Nick Wu	0.04 s	Python 2	2015-10-05 11:08:35
9	Sigurður Jens Albertsson	0.04 s	Python 2	2017-11-21 15:35:18
10	Johann Ly	0.04 s	Python 2	2019-01-01 03:49:26

#	User	Runtime	Language	Date
1	Tore Norderud	0.02 s	Python 3	2016-04-12 16:01:27
2	Erik Bjäreholt	0.02 s	Python 3	2016-05-12 22:23:22
3	Wayne	0.02 s	Python 3	2016-09-08 22:57:57
4	Nathan Collins	0.02 s	Python 3	2017-01-01 22:37:38
5	Rick May	0.02 s	Python 3	2017-01-19 21:15:33
6	Cian Ruane	0.02 s	Python 3	2017-03-11 20:13:04
7	Brian Bauman	0.02 s	Python 3	2017-03-28 18:59:27
8	Louis Abraham	0.02 s	Python 3	2017-03-31 23:23:53
9	Ram Basnet	0.02 s	Python 3	2017-04-28 03:43:26
10	Martin Jackson	0.02 s	Python 3	2017-05-01 20:58:34

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2019-02-26 11:53:10
2	Thomas Feld	0.06 s	Ruby	2023-09-19 12:09:45
3	Erik Rydbert	0.09 s	Ruby	2016-07-26 12:58:21

#	User	Runtime	Language	Date
1	Matt	0.00 s	Rust	2019-03-04 14:26:25
2	Eric Pinter	0.00 s	Rust	2020-07-31 08:33:59
3	Norbert Voelker	0.00 s	Rust	2021-06-09 23:55:26
4	Bas Dirks	0.00 s	Rust	2022-04-13 13:22:36
5	Nicholas	0.00 s	Rust	2023-06-08 18:24:40
6	Isak Jägberg	0.00 s	Rust	2024-11-04 11:46:09
7	Vincent Lagerros	0.00 s	Rust	2025-02-17 13:25:47
8	Hidden user	0.00 s	Rust	2025-06-12 11:23:12

#	User	Length	Language	Date
1	Arvid Jonasson	168	APL	2025-06-13 07:02:41

#	User	Length	Language	Date
1	daimiao chen	472	C	2024-03-23 17:03:24
2	Hidden user	537	C	2024-07-28 21:44:24
3	pengin	681	C	2022-03-22 12:15:18
4	Jose Francisco Perez	690	C	2016-03-13 10:41:49
5	Wesley Stephanak	717	C	2019-02-04 06:16:50
6	Taiju Yamada	749	C	2016-05-20 13:51:26
7	Wayne	750	C	2016-09-08 23:31:31
8	ruby Zhou	813	C	2024-10-04 09:41:39
9	Andrew Roberts	844	C	2017-09-18 10:29:18
10	Anton Haglund	869	C	2016-12-10 16:52:42

#	User	Length	Language	Date
1	Göran Andersson	818	C#	2022-05-24 01:11:08
2	Brian Scott	840	C#	2018-09-11 17:38:18
3	Doug Goodman	892	C#	2018-08-17 23:35:04
4	Rasmus Brants	1186	C#	2017-05-09 09:39:56
5	Garway Mei	1197	C#	2019-11-13 22:06:34
6	Bas te Kolste	1324	C#	2015-06-15 21:55:33
7	Hidden user	1459	C#	2019-04-20 18:05:44
8	Nahir Fernanda Ayoroa Velasquez	1565	C#	2024-05-06 20:48:18
9	Ugnius Skučas	1587	C#	2016-10-07 19:26:05
10	Carl Eriksson	1722	C#	2020-01-13 13:54:24

#	User	Length	Language	Date
1	Antonio Molina Lovett	384	C++	2016-08-07 08:52:52
2	Syx Pek	417	C++	2016-01-30 12:52:54
3	Johan Wind	481	C++	2018-03-26 14:05:45
4	Haoran Zhao	501	C++	2024-09-19 13:22:04
5	William Gan	507	C++	2017-02-28 04:24:57
6	David Wärn	553	C++	2015-08-25 22:56:41
7	MaxLuettich	573	C++	2022-11-19 00:48:49
8	arda atci	573	C++	2021-10-18 00:34:33
9	張嘉崴	577	C++	2020-01-27 11:38:45
10	Austin Fernandez	593	C++	2019-09-01 20:49:34

#	User	Length	Language	Date
1	Việt Hà Nguyễn	670	Go	2016-07-03 09:07:47
2	Msmeesks	718	Go	2024-09-19 17:35:01
3	Krzysztof Gibuła	959	Go	2019-02-18 18:15:03
4	James Robb	2035	Go	2020-05-05 17:33:38
5	James Robb	2035	Go	2020-05-12 12:29:29

#	User	Length	Language	Date
1	Jan Hrček	364	Haskell	2025-01-03 13:09:02
2	Dominik Bollmann	460	Haskell	2020-11-16 09:02:01
3	Matthew Johnson	634	Haskell	2017-01-04 05:02:41
4	Ethan Partidas	679	Haskell	2018-12-03 21:52:49
5	Hidden user	826	Haskell	2019-09-22 12:07:14
6	Abel Martin	1023	Haskell	2017-04-08 12:27:50
7	Håkon Flatval	1121	Haskell	2018-09-08 06:06:18
8	Chase Hinesman	1196	Haskell	2018-05-11 05:25:27
9	Brent Yorgey	1394	Haskell	2017-10-15 23:37:47

#	User	Length	Language	Date
1	Frederik Bertelsen	530	Java	2022-12-20 21:57:13
2	Ryan Looney	645	Java	2018-09-30 05:55:12
3	Dendup Chophel	670	Java	2019-05-10 20:00:35
4	Patrik Hörnqvist	717	Java	2014-11-15 20:47:30
5	Sam Huynh	722	Java	2021-04-19 07:33:18
6	Aaron Teetor	729	Java	2015-05-02 00:30:01
7	Kurtis Van Gent	733	Java	2016-10-06 21:24:04
8	Samuel Klingström	746	Java	2017-03-20 19:27:34
9	Garway Mei	755	Java	2019-11-13 23:34:03
10	Benjamin Laurence Erickson	765	Java	2016-10-06 03:00:09

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	217	JavaScript (SpiderMonkey)	2025-01-30 21:25:30
2	Jimmy Gustafsson	425	JavaScript (SpiderMonkey)	2022-06-08 00:21:43
3	Christian Cederquist	526	JavaScript (SpiderMonkey)	2023-01-29 20:02:36
4	Peter Kedemo	696	JavaScript (SpiderMonkey)	2016-04-03 20:40:22
5	Andri Andresson	824	JavaScript (SpiderMonkey)	2018-04-30 01:39:33
6	Håkan Lindahl	827	JavaScript (SpiderMonkey)	2022-06-15 16:38:35

#	User	Length	Language	Date
1	Timothy Gaede	1223	Julia	2024-06-09 03:38:27

#	User	Length	Language	Date
1	Colin Gay	627	Kotlin	2019-05-24 00:07:48
2	Dayan Ruben Gonzalez	634	Kotlin	2020-09-30 19:11:39
3	Adam Rankin	762	Kotlin	2023-05-06 23:41:53

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1011	Pascal	2018-08-27 15:48:08

#	User	Length	Language	Date
1	Hakan Kjellerstrand	640	Prolog	2023-03-03 08:30:44
2	Andriy Zyevakov	1230	Prolog	2016-10-07 10:59:49

#	User	Length	Language	Date
1	Hlynur “Glitch” Óskar Guðmundsson	337	Python 2	2018-04-29 23:33:17
2	Asger Hautop Drewsen	349	Python 2	2015-11-18 20:29:40
3	Thomas Feld	356	Python 2	2019-09-11 16:39:55
4	Illya Starikov	373	Python 2	2017-06-05 05:46:19
5	Justin Su	377	Python 2	2019-09-28 05:01:48
6	Jesper Öqvist	409	Python 2	2018-10-22 18:26:53
7	Asher Trockman	411	Python 2	2017-10-14 18:57:51
8	Andreas Eisele	423	Python 2	2018-10-16 23:30:48
9	Stefan Kennedy	433	Python 2	2016-12-22 17:38:00
10	Andreas Björklund	440	Python 2	2019-03-08 12:13:05

#	User	Length	Language	Date
1	Simon Hellsten	171	Python 3	2023-07-09 00:15:30
2	Michael Laurila	194	Python 3	2023-06-08 19:28:41
3	Ahmed Chamseddine	195	Python 3	2024-08-08 17:50:38
4	David Aldenbro	208	Python 3	2025-02-28 13:33:02
5	Isak Nyberg	226	Python 3	2023-06-16 19:38:02
6	Charles Ancheta	250	Python 3	2023-03-19 07:57:46
7	Donald Li	270	Python 3	2024-10-09 16:19:28
8	Tan Yi Long	272	Python 3	2025-04-23 19:24:57
9	Thibault Raffaillac	291	Python 3	2024-07-29 00:25:41
10	Ryll Åman	293	Python 3	2025-06-10 19:19:27

#	User	Length	Language	Date
1	Thomas Feld	145	Ruby	2023-09-19 12:15:19
2	Hidden user	316	Ruby	2019-02-26 11:53:10
3	Erik Rydbert	586	Ruby	2016-07-26 12:58:21

#	User	Length	Language	Date
1	Vincent Lagerros	624	Rust	2025-02-17 13:25:47
2	Bas Dirks	827	Rust	2022-04-13 13:22:36
3	Isak Jägberg	833	Rust	2024-11-04 11:46:09
4	Norbert Voelker	1130	Rust	2021-06-09 23:55:26
5	Hidden user	1278	Rust	2025-06-12 11:23:12
6	Eric Pinter	1303	Rust	2020-07-31 08:33:59
7	Nicholas	1557	Rust	2023-06-08 18:24:40
8	Matt	3219	Rust	2019-03-04 11:29:01

Solution running time distribution