Problem A
Cocoa Coalition — Problem Statistics

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Submissions	2875
Accepted submissions	655
Submission ratio	22.78%
Authors	635
Full solves [?]	530
Full solve Ratio	83.46%

#	User	Runtime	Language	Date
1	Johan Westerlund	0.00 s	C	2021-10-13 11:34:41
2	Jarry Yang	0.01 s	C	2024-02-20 01:11:14
3	Bergur Snorrason	0.02 s	C	2019-10-06 14:48:59
4	Ivan Petrov	0.02 s	C	2019-10-09 08:38:40
5	Eyleifur Bjarkason	0.04 s	C	2019-10-09 22:00:44

#	User	Runtime	Language	Date
1	Frank Grundin	0.04 s	C#	2019-10-05 20:49:09
2	Håkan Sjöström	0.04 s	C#	2019-10-07 23:05:38
3	Klas Björkqvist	0.04 s	C#	2019-10-20 17:36:35

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C++	2022-03-21 16:48:35
2	Kevin Sun	0.01 s	C++	2019-10-05 11:30:59
3	No Skills Team	0.01 s	C++	2019-10-05 11:48:44
4	Levon Aghamalyan	0.01 s	C++	2019-10-05 11:59:27
5	Khaled Kee	0.01 s	C++	2019-10-05 12:00:06
6	Joris Kerkhoff	0.01 s	C++	2019-10-05 12:28:28
7	Abhigyan Agarwala	0.01 s	C++	2019-10-05 12:56:51
8	Elias Riedel Gårding	0.01 s	C++	2019-10-05 13:02:18
9	Dragancea Soltan Petrasco	0.01 s	C++	2019-10-05 13:03:06
10	Tobias Andersen	0.01 s	C++	2019-10-05 14:06:48

#	User	Runtime	Language	Date
1	Matthew Craven	0.06 s	Haskell	2019-10-13 23:53:44
2	Brent Yorgey	0.58 s	Haskell	2020-03-08 02:08:39

#	User	Runtime	Language	Date
1	Rene Argento	0.06 s	Java	2025-10-23 19:46:34
2	Yusuf Kharoda	0.08 s	Java	2020-07-04 13:23:36
3	Sagnik Biswas	0.08 s	Java	2024-10-05 06:25:40
4	Doug Goodman	0.09 s	Java	2020-05-02 18:46:51
5	David Brink	0.09 s	Java	2021-09-10 18:57:05
6	Kevin Lim Yong Shen	0.09 s	Java	2022-03-24 16:10:57
7	Logan Pipes	0.09 s	Java	2022-12-01 16:49:30
8	Gustav Valentin Yde	0.10 s	Java	2019-10-07 11:02:55
9	Bjørn Dons	0.10 s	Java	2019-10-14 20:33:51
10	Daanish Mahajan	0.11 s	Java	2019-10-05 13:39:37

#	User	Runtime	Language	Date
1	Sönke Schümann	0.57 s	JavaScript (Node.js)	2020-11-10 16:21:32

#	User	Runtime	Language	Date
1	Dan Wolff	0.03 s	JavaScript (SpiderMonkey)	2019-10-05 22:46:40
2	Klara Jonsson	0.03 s	JavaScript (SpiderMonkey)	2020-03-24 10:11:00
3	Christopher Walther	0.05 s	JavaScript (SpiderMonkey)	2021-04-27 16:19:59
4	Christian Pilegaard Cederquist	0.16 s	JavaScript (SpiderMonkey)	2023-11-22 09:42:47

#	User	Runtime	Language	Date
1	Benjamin Ye	0.15 s	Kotlin	2022-02-12 22:50:39
2	Jacob Huebner	0.16 s	Kotlin	2021-08-01 21:19:53
3	Adam Rankin	0.22 s	Kotlin	2023-09-25 06:57:47

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.04 s	Python 2	2019-10-13 14:40:26
2	David Nilsson	0.05 s	Python 2	2019-10-05 13:09:48
3	Hidden user	0.05 s	Python 2	2019-10-05 14:01:59
4	Hidden user	0.06 s	Python 2	2019-10-25 08:36:27
5	Snild Dolkow	0.07 s	Python 2	2019-10-05 19:30:53
6	Adam Benali	0.08 s	Python 2	2019-10-05 14:02:42
7	Asger Hautop Drewsen	0.08 s	Python 2	2019-10-06 00:36:59
8	Oskar Haarklou Veileborg	0.08 s	Python 2	2019-10-06 16:32:31
9	Andreas Björklund	0.09 s	Python 2	2019-10-05 13:07:58
10	Björn Magnusson	0.10 s	Python 2	2019-10-05 18:59:10

#	User	Runtime	Language	Date
1	Sarah Bassett	0.05 s	Python 3	2024-10-05 00:34:39
2	Lawry Sorenson	0.05 s	Python 3	2025-03-10 21:46:13
3	Jeremiah Daniel Regalario	0.05 s	Python 3	2025-07-01 20:33:57
4	Hidden user	0.05 s	Python 3	2025-11-24 23:47:01
5	Carter Lee	0.05 s	Python 3	2026-02-27 05:22:17
6	Hidden user	0.06 s	Python 3	2022-08-17 01:14:34
7	Juan Moscoso	0.06 s	Python 3	2022-09-21 21:22:18
8	Godmar Back	0.06 s	Python 3	2022-10-09 03:06:48
9	Vu Minh Hieu	0.06 s	Python 3	2023-04-06 11:55:51
10	Ram Basnet	0.06 s	Python 3	2023-04-24 22:30:36

#	User	Runtime	Language	Date
1	Thomas Feld	0.18 s	Ruby	2023-06-27 15:20:51
2	Josenildo Silva	0.19 s	Ruby	2020-06-07 15:25:21

#	User	Runtime	Language	Date
1	Alexander Nortung	0.01 s	Rust	2020-01-19 20:25:51
2	rebekka	0.01 s	Rust	2020-03-16 06:29:41
3	Herman Karlsson	0.02 s	Rust	2019-10-08 16:13:46
4	Ole Johan Walderhaug	0.02 s	Rust	2020-11-03 23:25:50
5	Daniel Anker Hermansen	0.02 s	Rust	2024-12-27 16:16:06

#	User	Length	Language	Date
1	Johan Westerlund	620	C	2021-10-13 10:11:28
2	Jarry Yang	740	C	2024-02-20 01:11:14
3	Ivan Petrov	813	C	2019-10-09 08:38:40
4	Bergur Snorrason	1683	C	2019-10-06 14:48:59
5	Eyleifur Bjarkason	5268	C	2019-10-09 22:01:18

#	User	Length	Language	Date
1	Klas Björkqvist	764	C#	2019-10-20 17:36:35
2	Frank Grundin	973	C#	2019-10-05 20:49:09
3	Håkan Sjöström	1423	C#	2019-10-08 09:09:44

#	User	Length	Language	Date
1	Shang Zhou	344	C++	2022-01-08 02:46:26
2	Yeung Man Tsung	360	C++	2023-03-09 18:02:18
3	Ásmundur Óskar Ásmundsson	393	C++	2019-10-08 18:56:59
4	Santeri Toivonen	394	C++	2019-10-05 11:43:35
5	UNIBUC_shurub	401	C++	2019-10-05 11:35:01
6	Felicia Lucke	420	C++	2019-10-23 12:34:13
7	Pontakorn Prasertsuk	434	C++	2022-03-22 07:22:02
8	Arash Mahmoudian Bidgoli	437	C++	2019-10-13 19:49:10
9	Hidden user	445	C++	2022-12-23 15:08:17
10	rv	448	C++	2023-09-30 01:06:35

#	User	Length	Language	Date
1	Matthew Craven	557	Haskell	2019-10-13 23:53:44
2	Brent Yorgey	3083	Haskell	2020-03-08 02:08:39

#	User	Length	Language	Date
1	Poppy Jones	603	Java	2019-10-06 17:37:12
2	William Bugge	608	Java	2019-10-08 09:13:51
3	Jacob Magnuson	627	Java	2019-11-01 20:07:02
4	Alice Ryhl	662	Java	2019-10-12 13:56:38
5	Agnes Hardy Bertelsen	704	Java	2019-10-13 22:22:59
6	Åke Wettergren	819	Java	2019-10-06 10:53:28
7	Michael Peter Lautrup	841	Java	2019-10-19 14:06:00
8	Morten Flensborg Jensen	994	Java	2019-10-19 13:59:35
9	Ask Kunding	1082	Java	2019-10-06 01:12:10
10	Andreas Aaboe Andersen	1090	Java	2019-10-06 01:22:40

#	User	Length	Language	Date
1	Sönke Schümann	844	JavaScript (Node.js)	2020-11-10 16:21:32

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	356	JavaScript (SpiderMonkey)	2023-11-22 09:42:47
2	Dan Wolff	479	JavaScript (SpiderMonkey)	2019-10-05 22:46:40
3	Klara Jonsson	590	JavaScript (SpiderMonkey)	2020-03-24 10:11:00
4	Christopher Walther	927	JavaScript (SpiderMonkey)	2021-04-27 16:19:59

#	User	Length	Language	Date
1	Jacob Huebner	552	Kotlin	2021-08-01 21:19:53
2	Adam Rankin	827	Kotlin	2023-09-25 06:57:47
3	Benjamin Ye	1340	Kotlin	2022-02-12 22:50:39

#	User	Length	Language	Date
1	Troels Bjerre Lund	354	Python 2	2019-10-14 16:16:43
2	Snild Dolkow	357	Python 2	2019-10-05 19:30:53
3	Björn Magnusson	394	Python 2	2019-10-05 18:59:10
4	Andreas Björklund	405	Python 2	2019-10-05 13:07:58
5	Lars Åström	411	Python 2	2019-10-05 22:52:10
6	Hidden user	458	Python 2	2019-10-25 08:36:27
7	David Nilsson	479	Python 2	2019-10-05 13:09:48
8	Asger Hautop Drewsen	515	Python 2	2019-10-06 00:36:59
9	Oskar Haarklou Veileborg	515	Python 2	2019-10-06 16:32:31
10	Hidden user	570	Python 2	2019-10-05 14:01:59

#	User	Length	Language	Date
1	Benjamin Z White	106	Python 3	2023-07-11 21:05:13
2	Jacky Dai	157	Python 3	2019-10-30 01:47:37
3	Yong Mao	166	Python 3	2023-06-12 04:19:11
4	Jonathan Dastrup	181	Python 3	2024-09-28 00:47:15
5	Glenn Say	182	Python 3	2025-05-02 18:24:16
6	Hrant Hovhannisyan	184	Python 3	2025-06-05 11:26:28
7	Gerth Stølting Brodal	214	Python 3	2019-10-05 17:55:40
8	Hidden user	235	Python 3	2020-08-29 21:09:36
9	Jiang Shenghu	243	Python 3	2019-10-05 13:51:26
10	Paco Criado	250	Python 3	2024-11-29 23:23:22

#	User	Length	Language	Date
1	Thomas Feld	94	Ruby	2023-08-29 12:51:18
2	Josenildo Silva	237	Ruby	2020-06-07 15:25:21

#	User	Length	Language	Date
1	Alexander Nortung	1843	Rust	2020-01-19 20:25:51
2	Ole Johan Walderhaug	1922	Rust	2020-11-03 23:25:50
3	rebekka	1972	Rust	2020-03-16 06:29:41
4	Herman Karlsson	2024	Rust	2019-10-08 16:13:46
5	Daniel Anker Hermansen	13429	Rust	2024-12-27 16:16:06

Solution running time distribution