Problem A
Chemist's vows — Problem Statistics

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Submissions	1929
Accepted submissions	553
Submission ratio	28.67%
Authors	391
Full solves [?]	349
Full solve Ratio	89.26%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-04-30 10:10:40
2	Bergur Snorrason	0.01 s	C	2020-03-04 10:14:38
3	Aaron Staugaard	0.01 s	C	2023-05-06 23:41:30
4	Haobo Jiang	0.05 s	C	2016-01-02 13:02:26

#	User	Runtime	Language	Date
1	Edvin Mako	0.16 s	C#	2020-02-13 15:52:22

#	User	Runtime	Language	Date
1	Clarence Chew	0.00 s	C++	2016-02-03 05:50:00
2	Herman Karlsson	0.00 s	C++	2019-12-10 19:34:12
3	Mårten Wiman	0.01 s	C++	2015-03-03 18:05:19
4	Rene Josiah M. Quinto	0.01 s	C++	2016-10-15 07:19:44
5	Tianci Wang	0.01 s	C++	2017-06-10 14:34:59
6	Nicholas Foo Chuan Le	0.01 s	C++	2022-04-12 22:35:16
7	Goh Siau Chiak	0.01 s	C++	2023-02-06 17:12:32
8	Grae Yeandle	0.01 s	C++	2023-02-16 18:20:23
9	Frans Meulenbroeks	0.01 s	C++	2024-10-21 22:49:44
10	Simon Lindholm	0.03 s	C++	2015-03-03 17:43:53

#	User	Runtime	Language	Date
1	Norbert Voelker	0.04 s	Go	2023-03-10 11:06:45
2	Hidden user	0.19 s	Go	2015-10-01 18:43:39

#	User	Runtime	Language	Date
1	Aaron Staugaard	0.01 s	Haskell	2023-05-07 01:29:17
2	Udo Stenzel	0.04 s	Haskell	2023-05-07 00:32:28
3	Fabian Mitterwallner	0.04 s	Haskell	2025-10-23 23:45:08
4	TJ Takei	0.09 s	Haskell	2025-09-14 09:49:38
5	Soumik Sarkar	0.11 s	Haskell	2023-05-27 18:06:48
6	Jonas Stendahl	0.14 s	Haskell	2016-05-07 11:56:49
7	Filippo Sestini	0.20 s	Haskell	2023-06-06 17:26:57
8	Stian	0.21 s	Haskell	2020-02-11 15:32:10
9	Steinar Simonnes	0.21 s	Haskell	2025-02-06 10:20:08
10	Brent Yorgey	0.22 s	Haskell	2023-05-19 22:49:09

#	User	Runtime	Language	Date
1	William Fiset	0.16 s	Java	2017-02-25 00:41:08
2	Ho Lyun Jeong	0.16 s	Java	2021-03-26 18:29:30
3	Daniel West	0.21 s	Java	2021-01-02 19:42:46
4	Lozzi Ali	0.22 s	Java	2016-10-12 13:46:24
5	Marco Troltsch	0.24 s	Java	2016-06-08 20:57:12
6	Josenildo Silva	0.26 s	Java	2017-05-10 05:00:31
7	Brent Yorgey	0.26 s	Java	2020-04-29 04:10:51
8	Andrew Polizzotto	0.27 s	Java	2020-05-28 03:44:13
9	Ben Cobb	0.27 s	Java	2024-11-12 19:18:24
10	Terrence Park	0.28 s	Java	2016-04-06 21:08:24

#	User	Runtime	Language	Date
1	kattis@griffinht.com	0.16 s	JavaScript (Node.js)	2024-11-12 00:14:14

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2016-08-25 00:55:19
2	Christian Pilegaard Cederquist	0.08 s	JavaScript (SpiderMonkey)	2023-07-23 21:01:44

#	User	Runtime	Language	Date
1	Benjamin Ye	0.43 s	Kotlin	2023-02-03 06:54:54
2	Ditlef Alexander Diseth	0.63 s	Kotlin	2020-02-13 16:04:28

#	User	Runtime	Language	Date
1	Andriy Zyevakov	2.29 s	Prolog	2016-10-16 17:21:05

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Python 2	2019-10-05 00:32:47
2	Andreas Björklund	0.09 s	Python 2	2020-04-10 12:59:47
3	Anton Lyxell	0.12 s	Python 2	2019-11-16 13:29:27
4	Nick Wu	0.16 s	Python 2	2015-10-19 03:38:16
5	Asger Hautop Drewsen	0.18 s	Python 2	2015-11-02 17:51:39
6	Alvaro Silvino	0.23 s	Python 2	2016-04-19 00:02:55
7	Jonas Kylling	0.47 s	Python 2	2015-09-17 18:57:52

#	User	Runtime	Language	Date
1	Benjamin Z White	0.10 s	Python 3	2023-07-22 17:06:34
2	Russell	0.10 s	Python 3	2025-09-21 10:17:01
3	Robert Nix	0.11 s	Python 3	2021-04-12 21:30:19
4	Yi-Min Seah	0.11 s	Python 3	2022-02-19 16:09:14
5	Guy Wilks	0.11 s	Python 3	2023-01-31 03:44:09
6	Andras Zolyomi	0.11 s	Python 3	2023-02-07 00:54:53
7	Giorgio Micaletto	0.11 s	Python 3	2024-10-12 11:37:32
8	Jed Yang	0.11 s	Python 3	2025-01-03 02:19:57
9	Hidden user	0.11 s	Python 3	2025-05-31 01:51:43
10	Dhanaprakash D	0.11 s	Python 3	2025-06-16 17:58:34

#	User	Runtime	Language	Date
1	Ivy Wang	1.69 s	Ruby	2023-02-01 20:58:03

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-09-28 13:57:49
2	Aaron Staugaard	0.01 s	Rust	2024-09-22 15:35:28
3	Minghao Zhang	0.02 s	Rust	2024-05-30 04:12:55
4	Adam Guangwei Yu	0.03 s	Rust	2023-02-01 01:34:47
5	Jianghua Wang	0.03 s	Rust	2023-02-01 23:15:19
6	Ryan Chau	0.03 s	Rust	2023-02-08 04:46:46
7	Petter Daae	0.10 s	Rust	2020-03-21 23:13:10

#	User	Length	Language	Date
1	Haobo Jiang	1507	C	2016-01-02 13:02:26
2	Bergur Snorrason	3289	C	2020-03-04 10:11:38
3	Ivan Petrov	7505	C	2019-04-30 10:10:40
4	Aaron Staugaard	16718	C	2023-05-07 13:34:23

#	User	Length	Language	Date
1	Edvin Mako	2786	C#	2020-02-13 15:52:22

#	User	Length	Language	Date
1	Alexander Skidanov	1080	C++	2025-10-09 00:50:20
2	Yeung Man Tsung	1142	C++	2023-02-06 16:06:53
3	Lim An Jun	1180	C++	2023-02-07 07:00:11
4	Dexter Kwan	1215	C++	2023-02-10 15:12:05
5	鄭博文	1216	C++	2023-03-04 03:01:36
6	Johan Wind	1221	C++	2019-03-03 17:45:12
7	Wesley Hung	1242	C++	2023-02-01 06:34:15
8	Noah Weninger	1245	C++	2020-12-28 04:27:27
9	Royce Nguyen	1249	C++	2023-02-10 07:25:26
10	Ashutosh Tripathi	1286	C++	2020-07-27 23:03:08

#	User	Length	Language	Date
1	Norbert Voelker	1366	Go	2023-03-10 11:07:45
2	Hidden user	2745	Go	2015-10-01 19:01:40

#	User	Length	Language	Date
1	Fabian Mitterwallner	968	Haskell	2025-10-23 22:06:22
2	Udo Stenzel	1063	Haskell	2023-05-07 00:13:38
3	Soumik Sarkar	1408	Haskell	2023-05-27 18:06:48
4	Steinar Simonnes	1672	Haskell	2025-02-06 10:14:02
5	Jonas Stendahl	1696	Haskell	2016-05-07 12:31:07
6	Brent Yorgey	2064	Haskell	2020-04-29 12:28:16
7	Stian	2295	Haskell	2020-02-11 15:32:10
8	Filippo Sestini	2333	Haskell	2023-06-06 17:27:36
9	TJ Takei	3854	Haskell	2025-09-14 09:49:38
10	Aaron Staugaard	11072	Haskell	2023-05-06 21:12:36

#	User	Length	Language	Date
1	Jason Sun	1584	Java	2017-11-02 03:56:08
2	Olav Røthe Bakken	1631	Java	2020-02-04 14:55:55
3	Doug Goodman	1732	Java	2018-07-09 22:41:03
4	Andrew Polizzotto	1882	Java	2020-05-26 10:09:24
5	Josenildo Silva	1907	Java	2017-05-10 05:00:31
6	Mohammad Naufal Hazim Bin Saharudin	1938	Java	2025-06-11 10:55:46
7	Andrew Kennedy	2003	Java	2018-09-12 06:42:17
8	Hidden user	2109	Java	2018-01-30 07:24:16
9	Thomas Rooijakkers	2172	Java	2016-10-03 21:16:35
10	Marco Troltsch	2242	Java	2016-06-08 20:57:12

#	User	Length	Language	Date
1	kattis@griffinht.com	1979	JavaScript (Node.js)	2024-11-12 00:14:14

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1166	JavaScript (SpiderMonkey)	2023-07-23 21:01:44
2	Bjørn Chr. Soltvedt	1309	JavaScript (SpiderMonkey)	2016-08-25 01:01:08

#	User	Length	Language	Date
1	Benjamin Ye	1406	Kotlin	2023-02-03 06:54:54
2	Ditlef Alexander Diseth	6135	Kotlin	2020-02-13 16:04:28

#	User	Length	Language	Date
1	Andriy Zyevakov	2769	Prolog	2016-10-16 17:21:05

#	User	Length	Language	Date
1	Hidden user	711	Python 2	2019-10-05 00:34:21
2	Andreas Björklund	917	Python 2	2020-04-10 12:59:47
3	Nick Wu	1035	Python 2	2015-10-19 03:38:16
4	Anton Lyxell	1158	Python 2	2019-11-16 13:29:27
5	Asger Hautop Drewsen	1231	Python 2	2015-11-02 17:51:39
6	Jonas Kylling	1238	Python 2	2015-09-17 18:57:52
7	Alvaro Silvino	12294	Python 2	2016-04-19 00:02:55

#	User	Length	Language	Date
1	Benjamin Z White	433	Python 3	2023-07-22 17:15:06
2	Peter Stauder	483	Python 3	2023-02-12 08:48:06
3	Christofer Ohlsson	619	Python 3	2023-03-28 16:07:55
4	Kelly Dance	640	Python 3	2023-07-30 11:39:31
5	Anshuman Dash	652	Python 3	2023-01-31 05:34:33
6	Ludo Pulles	705	Python 3	2017-03-26 17:50:06
7	Oskar Haarklou Veileborg	924	Python 3	2021-04-20 20:54:13
8	Prateek Bhakta	943	Python 3	2021-11-11 23:40:42
9	Daniel Lokshtanov	954	Python 3	2023-01-31 03:54:28
10	Shashank Bhatt	980	Python 3	2023-07-23 01:39:25

#	User	Length	Language	Date
1	Ivy Wang	1259	Ruby	2023-02-01 20:58:03

#	User	Length	Language	Date
1	Jianghua Wang	1013	Rust	2023-02-01 23:19:59
2	Minghao Zhang	1724	Rust	2024-05-30 04:08:18
3	Ryan Chau	1912	Rust	2023-02-08 04:46:46
4	Adam Guangwei Yu	2346	Rust	2023-02-01 07:40:16
5	Petter Daae	2494	Rust	2020-03-21 23:05:35
6	Aaron Staugaard	13061	Rust	2024-09-22 15:35:28
7	Vincent Lagerros	18457	Rust	2024-09-28 13:53:29

Solution running time distribution