Problem A
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Submissions	1963
Accepted submissions	829
Submission ratio	42.23%
Authors	766
Accepted authors	637
Author ratio	83.16%

#	User	Runtime	Language	Date
1	Ugnius Skučas	0.02 s	C#	2016-10-07 19:26:24
2	Doug Goodman	0.02 s	C#	2018-08-25 18:58:39
3	Brian Scott	0.03 s	C#	2018-09-11 20:43:01
4	Bas te Kolste	0.05 s	C#	2015-06-15 23:13:42
5	Garway Mei	0.10 s	C#	2019-03-21 01:09:10
6	Mark Liu	0.10 s	C#	2019-03-21 01:11:59

#	User	Runtime	Language	Date
1	Krzysztof Gibuła	0.07 s	Go	2019-02-18 18:21:33

#	User	Runtime	Language	Date
1	Jan Hrček	0.03 s	Haskell	2025-01-04 07:40:18
2	Chase Hinesman	0.05 s	Haskell	2018-05-11 05:25:04
3	Brent Yorgey	0.05 s	Haskell	2019-02-02 03:44:51
4	Ethan Partidas	0.19 s	Haskell	2019-08-18 19:57:02
5	Dominik Bollmann	0.65 s	Haskell	2020-11-18 09:35:52

#	User	Runtime	Language	Date
1	Erik Odenman	0.07 s	Java	2013-04-24 17:40:31
2	Hidden user	0.07 s	Java	2015-10-24 07:02:42
3	Hidden user	0.07 s	Java	2016-11-28 21:21:59
4	Samuel Klingström	0.07 s	Java	2018-11-11 22:16:11
5	Issam Baskati	0.08 s	Java	2016-11-05 19:21:17
6	Jonathan Strandberg	0.08 s	Java	2017-06-09 15:07:13
7	James Black	0.08 s	Java	2018-06-09 17:02:58
8	Steven Cheng	0.09 s	Java	2017-09-09 18:35:20
9	Terrence Park	0.10 s	Java	2016-01-14 07:20:58
10	Wu Zhen Rong	0.10 s	Java	2018-07-02 08:48:15

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-08 22:19:46
2	Andri Andresson	0.08 s	JavaScript (SpiderMonkey)	2018-05-06 23:08:24
3	Christian Cederquist	0.08 s	JavaScript (SpiderMonkey)	2023-03-20 11:12:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.71 s	Julia	2024-06-09 03:39:02

#	User	Runtime	Language	Date
1	Adam Rankin	0.26 s	Kotlin	2023-09-09 06:58:49

#	User	Runtime	Language	Date
1	Kyrylo Karavaev	0.04 s	Python 2	2022-07-30 15:24:22
2	Nick Wu	0.05 s	Python 2	2015-10-05 11:28:43
3	Snild Dolkow	0.05 s	Python 2	2015-10-18 15:47:28
4	Sigurður Jens Albertsson	0.05 s	Python 2	2017-11-21 15:37:13
5	Michael Huang	0.05 s	Python 2	2018-05-16 16:43:35
6	Andreas Eisele	0.05 s	Python 2	2018-10-16 23:30:49
7	Johann Ly	0.05 s	Python 2	2019-01-01 04:16:38
8	Oskar Haarklou Veileborg	0.05 s	Python 2	2020-01-16 15:05:59
9	Hidden user	0.06 s	Python 2	2017-04-12 14:33:50
10	Paul Leung	0.06 s	Python 2	2017-11-27 16:52:48

#	User	Runtime	Language	Date
1	Erik Bjäreholt	0.03 s	Python 3	2016-05-12 22:27:13
2	Samo Metličar	0.03 s	Python 3	2018-11-30 13:36:41
3	David Ludwig	0.04 s	Python 3	2017-12-08 23:41:31
4	Vincent Tandya	0.04 s	Python 3	2018-07-25 19:36:54
5	Bjørn Dons	0.04 s	Python 3	2018-12-29 06:09:50
6	Yang Li	0.04 s	Python 3	2019-06-21 07:42:44
7	Kevin Tang	0.04 s	Python 3	2019-08-08 21:05:38
8	Johannes Ahnlide	0.05 s	Python 3	2019-02-04 14:48:03
9	Kelly Dance	0.05 s	Python 3	2024-10-04 01:40:16
10	Jakob Fredby	0.05 s	Python 3	2025-06-19 13:53:21

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Ruby	2019-02-26 12:04:21
2	Ajai Nelson	0.87 s	Ruby	2022-02-19 20:58:56

#	User	Runtime	Language	Date
1	Eric Pinter	0.00 s	Rust	2020-07-31 08:34:39
2	Vincent Lagerros	0.00 s	Rust	2025-02-17 13:27:15
3	Hidden user	0.00 s	Rust	2025-06-24 13:23:10
4	Matt	0.02 s	Rust	2019-03-04 14:27:17

#	User	Length	Language	Date
1	Wayne	745	C	2016-09-08 23:44:34
2	Taiju Yamada	749	C	2016-05-20 13:51:55
3	Andrew Roberts	844	C	2017-09-18 10:34:56
4	Julian Duniec	865	C	2023-08-16 11:26:26
5	Johan Larsson	899	C	2022-06-17 12:31:12
6	Ivan Petrov	913	C	2019-08-30 15:45:03
7	Anton Haglund	922	C	2016-12-10 16:59:22
8	Adrien Coulier	936	C	2015-03-19 20:47:47
9	Hidden user	976	C	2024-07-29 12:07:10
10	Hidden user	1014	C	2022-11-16 00:29:18

#	User	Length	Language	Date
1	Brian Scott	912	C#	2018-09-11 20:43:01
2	Doug Goodman	1315	C#	2018-08-25 18:58:39
3	Ugnius Skučas	1587	C#	2016-10-07 19:26:24
4	Bas te Kolste	1901	C#	2015-06-15 23:13:42
5	Mark Liu	3657	C#	2019-03-21 01:11:59
6	Garway Mei	3659	C#	2019-03-21 01:09:10

#	User	Length	Language	Date
1	Antonio Molina Lovett	384	C++	2016-08-07 08:53:09
2	Syx Pek	417	C++	2016-01-30 12:52:12
3	Johan Wind	481	C++	2018-03-26 14:05:27
4	William Gan	507	C++	2017-02-28 04:24:31
5	David Wärn	553	C++	2015-08-25 22:56:24
6	Austin Fernandez	593	C++	2019-09-01 20:49:25
7	David Venhoek	598	C++	2016-02-16 10:13:39
8	Aidan Smith	601	C++	2018-06-20 08:26:36
9	Brandon Foong	609	C++	2020-08-15 17:50:00
10	Yeung Man Tsung	610	C++	2023-01-04 11:58:36

#	User	Length	Language	Date
1	Krzysztof Gibuła	985	Go	2019-02-18 18:21:33

#	User	Length	Language	Date
1	Jan Hrček	639	Haskell	2025-01-04 07:40:18
2	Ethan Partidas	846	Haskell	2019-08-18 19:57:02
3	Dominik Bollmann	960	Haskell	2020-11-18 09:31:49
4	Chase Hinesman	1196	Haskell	2018-05-11 05:25:04
5	Brent Yorgey	1469	Haskell	2019-02-02 03:44:51

#	User	Length	Language	Date
1	Aaron Teetor	727	Java	2015-05-02 00:31:33
2	Doug Goodman	804	Java	2018-06-17 23:40:06
3	Måns Magnusson	841	Java	2016-04-21 16:29:50
4	Urban Pettersson	872	Java	2016-04-24 09:54:07
5	Caeden Whitaker	878	Java	2020-08-02 02:14:27
6	Amon Al-khatib	892	Java	2015-12-22 05:21:37
7	Luu Nhat Phi	916	Java	2015-10-24 06:07:56
8	James Black	924	Java	2018-06-09 17:02:58
9	Ali Pervaiz	952	Java	2019-03-27 17:17:40
10	Sam Huynh	990	Java	2021-04-19 14:09:21

#	User	Length	Language	Date
1	Christian Cederquist	917	JavaScript (SpiderMonkey)	2023-03-20 11:12:13
2	Andri Andresson	1063	JavaScript (SpiderMonkey)	2018-05-06 23:08:24
3	Jimmy Gustafsson	1287	JavaScript (SpiderMonkey)	2022-06-08 22:19:46

#	User	Length	Language	Date
1	Timothy Gaede	1217	Julia	2024-06-09 03:39:02

#	User	Length	Language	Date
1	Adam Rankin	1045	Kotlin	2023-09-09 06:58:49

#	User	Length	Language	Date
1	Thomas Feld	356	Python 2	2019-09-11 16:40:42
2	Justin Su	377	Python 2	2019-09-28 05:01:38
3	Andreas Eisele	423	Python 2	2018-10-16 23:30:49
4	Jesper Öqvist	426	Python 2	2018-10-22 18:28:00
5	Kyrylo Karavaev	451	Python 2	2022-07-30 15:24:22
6	Nick Wu	452	Python 2	2015-10-05 11:28:43
7	Andreas Björklund	457	Python 2	2022-03-16 16:48:49
8	Oskar Haarklou Veileborg	466	Python 2	2020-01-16 15:05:59
9	Michael Huang	515	Python 2	2018-05-16 16:43:35
10	Snild Dolkow	533	Python 2	2015-10-18 15:47:28

#	User	Length	Language	Date
1	Jakob Fredby	195	Python 3	2025-06-22 04:20:38
2	Ahmed Chamseddine	196	Python 3	2024-08-08 17:57:27
3	David Aldenbro	208	Python 3	2025-02-28 13:32:10
4	Simon Hellsten	213	Python 3	2023-07-11 19:10:06
5	Isak Nyberg	232	Python 3	2023-06-16 19:40:31
6	Charles Ancheta	250	Python 3	2023-03-19 08:01:19
7	Tan Yi Long	285	Python 3	2025-04-23 19:26:41
8	Thibault Raffaillac	291	Python 3	2024-07-29 00:25:28
9	Ryll Åman	293	Python 3	2025-06-22 14:23:10
10	Thomas Draper	296	Python 3	2024-01-13 18:27:42

#	User	Length	Language	Date
1	Hidden user	363	Ruby	2019-02-26 12:04:21
2	Ajai Nelson	711	Ruby	2022-02-19 20:58:56

#	User	Length	Language	Date
1	Vincent Lagerros	624	Rust	2025-02-17 13:27:15
2	Eric Pinter	1303	Rust	2020-07-31 08:34:39
3	Hidden user	2203	Rust	2025-06-24 13:23:10
4	Matt	2267	Rust	2019-03-04 14:27:17

Solution running time distribution