Problem A
Nimionese — Problem Statistics

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Submissions	868
Accepted submissions	428
Submission ratio	49.31%
Authors	415
Full solves [?]	382
Full solve Ratio	92.05%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-03-19 10:01:48
2	Mikael K Eriksson	0.00 s	C	2021-04-09 08:40:56

#	User	Runtime	Language	Date
1	Henrik Hallbert	0.02 s	C#	2019-09-30 20:23:52
2	Göran Andersson	0.03 s	C#	2022-05-21 17:43:42
3	Mikael Fiala-Lundström	0.06 s	C#	2021-05-25 22:43:04

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-18 02:45:04

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-12-10 20:05:13

#	User	Runtime	Language	Date
1	Daniel Agatan	0.00 s	Go	2025-02-25 08:11:33
2	Norbert Voelker	0.09 s	Go	2021-05-23 00:32:59

#	User	Runtime	Language	Date
1	Md Akif Chowdhury	0.00 s	Haskell	2023-07-10 01:27:23
2	Steinar Simonnes	0.00 s	Haskell	2024-04-17 13:38:29
3	Brent Yorgey	0.01 s	Haskell	2018-09-04 18:20:41
4	Ryan Chew	0.01 s	Haskell	2019-03-24 17:27:43
5	Hidden user	0.01 s	Haskell	2019-09-02 11:52:17
6	Adrian Murphy	0.01 s	Haskell	2020-05-13 15:52:36
7	Jan Hrček	0.01 s	Haskell	2021-03-26 16:35:09
8	Hidden user	0.01 s	Haskell	2023-01-13 04:28:55

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.04 s	Java	2025-07-14 23:18:38
2	Hidden user	0.06 s	Java	2016-09-21 16:09:01
3	Martijn Muijsers	0.06 s	Java	2017-05-09 23:09:39
4	Micah Stairs	0.06 s	Java	2017-05-17 21:12:14
5	Bjørn Dons	0.06 s	Java	2018-11-11 22:54:44
6	Samuel Klingström	0.07 s	Java	2020-08-31 12:41:34
7	Jack Le	0.07 s	Java	2022-01-19 21:43:23
8	Doug Goodman	0.09 s	Java	2018-03-05 20:52:42
9	Benjamin Reidys	0.09 s	Java	2019-06-03 00:18:25
10	Kyle Kelly	0.09 s	Java	2019-09-08 02:42:12

#	User	Runtime	Language	Date
1	Duncan Adkins	0.05 s	JavaScript (Node.js)	2025-09-04 20:47:32
2	Sander Hellesø	0.06 s	JavaScript (Node.js)	2019-04-22 01:17:12
3	Peter Kedemo	0.42 s	JavaScript (Node.js)	2020-01-02 16:21:12

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-11-09 02:47:23
2	Andrea Bianchessi	0.01 s	JavaScript (SpiderMonkey)	2017-11-03 12:19:44
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-22 23:22:55
4	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-02-06 16:37:23

#	User	Runtime	Language	Date
1	Timothy Gaede	0.79 s	Julia	2024-05-20 06:53:06

#	User	Runtime	Language	Date
1	Adam Rankin	0.23 s	Kotlin	2023-11-19 04:25:12

#	User	Runtime	Language	Date
1	Matthew Lutze	0.00 s	OCaml	2020-07-28 21:39:22

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-01-02 12:30:42

#	User	Runtime	Language	Date
1	Victor Santos	0.01 s	PHP	2024-04-26 18:55:01

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.03 s	Python 2	2016-09-20 21:33:05
2	Joshua Gunter	0.03 s	Python 2	2016-09-24 00:22:55
3	Rhys Rustad-Elliott	0.03 s	Python 2	2018-10-07 14:53:10
4	Johann Ly	0.03 s	Python 2	2018-11-04 05:29:15
5	Thomas Feld	0.03 s	Python 2	2019-09-10 16:08:08
6	Leung Man Ho	0.04 s	Python 2	2016-09-20 19:23:27
7	Hidden user	0.04 s	Python 2	2018-09-01 15:46:25
8	Jesper Öqvist	0.04 s	Python 2	2018-10-31 21:44:35
9	Erik Amirell Eklöf	0.04 s	Python 2	2019-11-03 10:54:58
10	Maj Stenmark	0.04 s	Python 2	2019-11-03 11:21:54

#	User	Runtime	Language	Date
1	Hannes Bredberg	0.02 s	Python 3	2016-09-20 18:36:39
2	Unnar Freyr Erlendsson	0.02 s	Python 3	2017-04-12 02:14:38
3	Arnar Bjarni Arnarson	0.02 s	Python 3	2017-04-12 04:02:24
4	Bernhard Kartefla	0.02 s	Python 3	2017-04-12 04:05:28
5	Ciara Godwin	0.02 s	Python 3	2017-06-04 12:51:46
6	Rickard Torén	0.02 s	Python 3	2017-11-19 15:49:41
7	Steven Halim	0.02 s	Python 3	2018-02-19 10:23:45
8	Murtadha Al-Tameemi	0.02 s	Python 3	2018-04-07 01:11:32
9	Cian Ruane	0.02 s	Python 3	2018-04-24 15:10:28
10	Ema Jemec	0.02 s	Python 3	2018-07-28 16:44:42

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-08-29 13:46:51
2	Conor O'Brien	0.05 s	Ruby	2022-03-01 23:32:50

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-02-23 10:07:47
2	Eric Riddle	0.00 s	Rust	2025-09-06 07:46:41

#	User	Length	Language	Date
1	Mikael K Eriksson	1659	C	2021-04-09 08:40:56
2	Ivan Petrov	1788	C	2019-03-19 10:01:48

#	User	Length	Language	Date
1	Göran Andersson	1688	C#	2022-05-21 17:43:42
2	Henrik Hallbert	2841	C#	2019-09-30 20:23:52
3	Mikael Fiala-Lundström	6224	C#	2021-05-25 22:43:04

#	User	Length	Language	Date
1	Frederick Pek	882	C++	2021-06-17 09:44:25
2	Christian Yongwhan Lim	1049	C++	2024-07-07 05:28:14
3	Yeung Man Tsung	1083	C++	2022-11-20 10:48:17
4	Markus Mathiasen	1124	C++	2023-10-17 15:28:10
5	Fredrik Hernqvist	1182	C++	2016-09-20 18:38:18
6	Atli Fannar Franklín	1197	C++	2023-03-27 15:27:59
7	Ethan Guo	1206	C++	2018-11-14 08:06:16
8	Henrik Adolfsson	1220	C++	2017-11-19 16:43:05
9	Mohsen Mahroos	1238	C++	2023-02-13 02:38:31
10	Hidden user	1267	C++	2019-05-02 17:45:21

#	User	Length	Language	Date
1	Hidden user	1902	Common Lisp	2019-07-18 02:45:04

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1868	F#	2022-12-10 20:05:13

#	User	Length	Language	Date
1	Norbert Voelker	1565	Go	2021-05-23 00:32:59
2	Daniel Agatan	2026	Go	2025-02-25 08:11:33

#	User	Length	Language	Date
1	Ryan Chew	893	Haskell	2019-03-24 17:27:43
2	Md Akif Chowdhury	1122	Haskell	2023-07-10 01:27:23
3	Jan Hrček	1426	Haskell	2021-03-26 16:35:09
4	Steinar Simonnes	1476	Haskell	2024-04-17 13:38:29
5	Brent Yorgey	1573	Haskell	2018-09-04 18:20:41
6	Adrian Murphy	1707	Haskell	2020-05-13 15:52:36
7	Hidden user	1969	Haskell	2023-01-13 04:28:55
8	Hidden user	4523	Haskell	2019-09-02 11:52:17

#	User	Length	Language	Date
1	Doug Goodman	1478	Java	2018-03-05 20:52:42
2	Stela Palii	1666	Java	2024-12-09 22:23:29
3	Malte Larsson	1716	Java	2019-11-03 11:59:34
4	Victor Nguyen	1872	Java	2020-06-24 21:26:11
5	Anthony Mui	1928	Java	2025-03-17 02:50:44
6	Paul Boddington	1966	Java	2020-07-25 19:27:11
7	Ben Cobb	2023	Java	2021-10-09 06:44:02
8	Matt Peter	2090	Java	2019-02-23 04:58:31
9	Mason Wiedow	2112	Java	2025-09-04 23:40:39
10	Micah Stairs	2172	Java	2017-05-17 21:12:14

#	User	Length	Language	Date
1	Duncan Adkins	1246	JavaScript (Node.js)	2025-09-04 20:47:32
2	Peter Kedemo	1658	JavaScript (Node.js)	2020-01-02 16:21:12
3	Sander Hellesø	2268	JavaScript (Node.js)	2019-04-22 01:17:12

#	User	Length	Language	Date
1	Jimmy Gustafsson	473	JavaScript (SpiderMonkey)	2025-07-22 23:22:55
2	Bjørn Chr. Soltvedt	1306	JavaScript (SpiderMonkey)	2016-11-09 02:47:23
3	Christian Pilegaard Cederquist	1488	JavaScript (SpiderMonkey)	2023-02-06 16:37:23
4	Andrea Bianchessi	2229	JavaScript (SpiderMonkey)	2017-11-03 12:19:44

#	User	Length	Language	Date
1	Timothy Gaede	3325	Julia	2024-05-20 06:53:06

#	User	Length	Language	Date
1	Adam Rankin	1714	Kotlin	2023-11-19 04:25:12

#	User	Length	Language	Date
1	Matthew Lutze	2103	OCaml	2020-07-28 21:39:22

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2626	Pascal	2019-01-02 12:30:42

#	User	Length	Language	Date
1	Victor Santos	2212	PHP	2024-04-26 18:55:01

#	User	Length	Language	Date
1	Thomas Feld	349	Python 2	2019-09-10 16:08:08
2	Erik Amirell Eklöf	739	Python 2	2019-11-03 10:54:58
3	Johan Lyts	1006	Python 2	2020-01-09 15:13:04
4	Suchi Amalapurapu	1035	Python 2	2020-01-28 11:09:41
5	Jesper Öqvist	1042	Python 2	2018-10-31 21:44:35
6	Leung Man Ho	1065	Python 2	2016-09-20 19:23:27
7	Björn Magnusson	1101	Python 2	2019-11-03 12:29:30
8	Yanmarshus Bachtiar	1141	Python 2	2020-10-26 13:30:57
9	Lars Åström	1162	Python 2	2019-11-03 11:52:13
10	Maj Stenmark	1217	Python 2	2019-11-03 11:21:54

#	User	Length	Language	Date
1	Thibault Raffaillac	437	Python 3	2024-08-08 18:12:54
2	Yong Mao	555	Python 3	2024-01-02 05:04:13
3	Ahmed Chamseddine	614	Python 3	2025-01-13 23:43:34
4	Kelly Dance	619	Python 3	2023-07-18 16:24:48
5	Casper Rysgaard	648	Python 3	2022-01-11 14:17:03
6	Magnus Eide-Fredriksen	694	Python 3	2023-05-22 16:30:12
7	Vedran Čačić	698	Python 3	2019-03-19 04:40:41
8	Nicholas Russell Saerang	734	Python 3	2023-06-26 04:11:31
9	Matthew Tran	745	Python 3	2021-07-30 01:23:49
10	Suus Brommer	746	Python 3	2024-04-12 11:46:56

#	User	Length	Language	Date
1	Conor O'Brien	699	Ruby	2022-03-01 23:32:50
2	Kok Dith	739	Ruby	2021-08-29 13:46:51

#	User	Length	Language	Date
1	Bas Dirks	2130	Rust	2022-02-23 10:07:47
2	Eric Riddle	2177	Rust	2025-09-06 07:46:41

Solution running time distribution