Problem A
Kitchen Combinatorics — Problem Statistics

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Submissions	1455
Accepted submissions	486
Submission ratio	33.40%
Authors	345
Full solves [?]	289
Full solve Ratio	83.77%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-09-25 10:47:25

#	User	Runtime	Language	Date
1	Rachel Krohn	0.00 s	C++	2016-04-09 22:26:04
2	Ethan Mader	0.00 s	C++	2023-01-21 01:44:32
3	Juan Camilo Guzmán	0.00 s	C++	2025-03-22 23:55:31
4	Hidden user	0.01 s	C++	2015-11-29 11:20:02
5	Fredrik Medley	0.01 s	C++	2015-11-29 14:13:52
6	David Wärn	0.01 s	C++	2015-11-30 09:43:05
7	Asger Hautop Drewsen	0.01 s	C++	2015-11-30 22:43:23
8	Bjarki Ágúst Guðmundsson	0.01 s	C++	2015-12-17 00:47:20
9	David Venhoek	0.01 s	C++	2016-04-01 13:30:55
10	Yanan Wang	0.01 s	C++	2016-10-19 09:21:15

#	User	Runtime	Language	Date
1	Frank Endriss	0.26 s	Go	2022-01-02 16:27:40

#	User	Runtime	Language	Date
1	Dries Harnie	0.07 s	Haskell	2020-01-03 10:02:27
2	Brent Yorgey	0.07 s	Haskell	2021-01-05 06:07:03
3	Stian	0.13 s	Haskell	2020-01-21 12:30:34

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.09 s	Java	2016-11-15 17:59:23
2	Pavel	0.12 s	Java	2016-10-22 12:21:24
3	George Mărcuș	0.13 s	Java	2015-11-29 11:45:01
4	Santiago Gutierrez Alzate	0.15 s	Java	2015-12-05 21:10:27
5	Jack Min Ong	0.28 s	Java	2020-02-17 18:47:37
6	T Steenhuis	0.29 s	Java	2019-08-28 22:50:45
7	Rene Josiah M. Quinto	0.31 s	Java	2016-07-16 08:57:19
8	Rodrigo Gómez	0.31 s	Java	2016-09-06 01:26:10
9	polimed	0.32 s	Java	2025-05-31 23:35:50
10	Veronica Gunn	0.33 s	Java	2017-09-11 03:42:14

#	User	Runtime	Language	Date
1	Hunter Tseng	0.83 s	JavaScript (Node.js)	2019-08-08 09:41:54

#	User	Runtime	Language	Date
1	Benjamin Ye	0.29 s	Kotlin	2023-01-12 19:35:41

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.07 s	Python 2	2019-09-08 23:05:44
2	Andreas Björklund	0.08 s	Python 2	2019-08-09 12:39:46
3	Olav Røthe Bakken	0.08 s	Python 2	2019-11-14 11:52:16
4	Rahul Rajesh	0.09 s	Python 2	2019-03-24 08:22:04
5	David Nilsson	0.09 s	Python 2	2019-06-08 18:55:53
6	Wen Li Looi	0.10 s	Python 2	2017-02-09 04:40:02
7	Andrew Yang	0.10 s	Python 2	2017-04-13 09:40:54
8	Brandon Zhang	0.10 s	Python 2	2018-08-01 01:21:09
9	Giang Đào	0.11 s	Python 2	2019-03-21 12:46:00
10	Christofer Ohlsson	0.22 s	Python 2	2015-11-30 09:35:44

#	User	Runtime	Language	Date
1	Franklin Zhang	0.07 s	Python 3	2024-11-16 21:01:03
2	Felipe Lopez Russi (shaq)	0.07 s	Python 3	2025-03-22 21:53:09
3	Yesica Causado Alvarado	0.07 s	Python 3	2025-05-31 22:34:41
4	Juan Diego Valencia Alomia	0.07 s	Python 3	2025-05-31 23:40:33
5	Diego Iván Oliveros Acosta	0.07 s	Python 3	2025-06-01 00:51:12
6	Hidden user	0.07 s	Python 3	2025-07-26 02:45:57
7	Zach Hacking	0.08 s	Python 3	2023-04-14 23:40:36
8	Lasse Møldrup	0.08 s	Python 3	2023-10-10 20:55:55
9	Lew Choon Hean	0.08 s	Python 3	2025-01-08 14:23:49
10	Paco Criado	0.08 s	Python 3	2025-11-12 18:28:41

#	User	Runtime	Language	Date
1	Ivy Wang	0.67 s	Ruby	2023-01-13 07:14:46

#	User	Runtime	Language	Date
1	Artur Khuziakhmetov	0.02 s	Rust	2025-01-27 15:30:06

#	User	Length	Language	Date
1	Ivan Petrov	2075	C	2019-09-25 10:47:25

#	User	Length	Language	Date
1	Josenildo Silva	919	C++	2018-08-07 16:57:06
2	Arvin Ding	985	C++	2021-12-26 21:26:14
3	William Gan	1105	C++	2017-02-02 09:50:09
4	Alex Dai	1124	C++	2016-08-13 01:30:59
5	Hidden user	1133	C++	2017-08-26 14:47:48
6	David Wärn	1161	C++	2015-11-30 09:43:05
7	Ziyi Zhang	1209	C++	2019-11-06 23:51:37
8	Lam Gia Thuan	1214	C++	2017-05-09 11:48:48
9	Nguyen Xuan Tung	1232	C++	2020-10-18 12:22:52
10	Marin Tomić	1239	C++	2015-11-29 10:26:08

#	User	Length	Language	Date
1	Frank Endriss	2903	Go	2022-01-02 16:27:40

#	User	Length	Language	Date
1	Stian	1106	Haskell	2020-01-24 22:59:36
2	Dries Harnie	1309	Haskell	2020-01-03 10:02:27
3	Brent Yorgey	4076	Haskell	2021-01-05 06:07:03

#	User	Length	Language	Date
1	Jannik Olbrich	1758	Java	2019-06-02 11:11:15
2	Joy Choi	1889	Java	2016-10-27 22:00:26
3	Paolo Pellizzoni	1927	Java	2020-01-23 20:40:43
4	Hideous Frog	2103	Java	2015-11-29 13:51:07
5	Rene Josiah M. Quinto	2119	Java	2016-07-16 08:57:19
6	Anton Pirogov	2125	Java	2015-12-04 15:20:14
7	Hao Yang	2191	Java	2018-09-30 20:59:04
8	Vitou Phy	2311	Java	2015-12-06 11:21:38
9	Doug Goodman	2405	Java	2020-07-21 21:50:47
10	Hidden user	2452	Java	2016-09-05 06:59:29

#	User	Length	Language	Date
1	Hunter Tseng	3219	JavaScript (Node.js)	2019-08-08 09:41:54

#	User	Length	Language	Date
1	Benjamin Ye	1820	Kotlin	2023-01-12 19:35:41

#	User	Length	Language	Date
1	Wen Li Looi	635	Python 2	2017-02-09 04:40:02
2	Oskar Haarklou Veileborg	831	Python 2	2019-09-08 23:05:44
3	David Nilsson	867	Python 2	2019-06-08 18:55:53
4	Andreas Björklund	911	Python 2	2019-08-09 12:39:46
5	Olav Røthe Bakken	936	Python 2	2019-11-14 11:52:16
6	Giang Đào	1079	Python 2	2019-03-21 12:46:00
7	Andrew Yang	1192	Python 2	2017-04-13 09:40:54
8	Eoin Davey	1192	Python 2	2017-09-09 15:29:49
9	Brandon Zhang	1377	Python 2	2018-08-01 01:21:09
10	Christofer Ohlsson	1645	Python 2	2015-11-30 09:35:44

#	User	Length	Language	Date
1	Benjamin Z White	403	Python 3	2023-08-05 11:40:42
2	Hidden user	691	Python 3	2022-09-09 16:52:09
3	Franklin Zhang	755	Python 3	2024-11-16 21:01:03
4	Markus Mathiasen	759	Python 3	2023-08-22 17:49:25
5	Nicholas Russell Saerang	786	Python 3	2024-02-17 14:17:10
6	Russell	786	Python 3	2025-09-21 17:21:07
7	Stian	809	Python 3	2020-01-20 16:34:45
8	Shen Licong	819	Python 3	2024-03-31 19:02:20
9	Anshuman Dash	827	Python 3	2023-01-10 03:41:17
10	David Engström	835	Python 3	2023-11-08 18:36:30

#	User	Length	Language	Date
1	Ivy Wang	1354	Ruby	2023-01-13 07:32:49

#	User	Length	Language	Date
1	Artur Khuziakhmetov	2079	Rust	2025-01-27 15:30:06

Solution running time distribution