Problem A
Miði — Problem Statistics

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Submissions	3069
Accepted submissions	2082
Submission ratio	67.84%
Authors	878
Full solves [?]	745
Full solve Ratio	84.85%

#	User	Score	Language	Date
1	cera	50	APL	2024-10-25 02:08:52

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2024-04-15 14:07:57
2	Thomas Feld	100	Bash	2024-04-16 10:02:05
3	Danny Robinson	100	Bash	2024-08-29 17:37:52
4	Si Jie Tan	100	Bash	2025-12-10 10:34:55

#	User	Score	Language	Date
1	Bergur Snorrason	100	C	2020-03-24 11:02:05
2	Kjartan Óli Ágústsson	100	C	2021-03-04 15:40:13
3	Axel Snær	100	C	2021-04-14 20:29:44
4	Sami Al Chalati	100	C	2024-06-08 16:21:38
5	Anton	100	C	2024-09-18 14:05:03
6	Ethan Clark	100	C	2024-10-01 20:16:25
7	cera	100	C	2024-10-25 02:36:10
8	Jamieson Dettmer	100	C	2025-01-26 12:07:37
9	Joacim Wärn	100	C	2025-02-27 07:22:01
10	Magnus Eide-Fredriksen	100	C	2025-08-25 05:12:08

#	User	Score	Language	Date
1	traxex	100	C#	2024-05-24 10:55:00
2	Deci Bel	100	C#	2024-06-09 18:33:57
3	Գոռ Բաղդասարյան	100	C#	2024-08-01 14:46:04
4	Matthew Bunge	100	C#	2024-09-17 05:17:12
5	Roberto Rodriguez Giorgetti	100	C#	2024-10-02 19:18:57
6	Axel Snær	50	C#	2021-04-11 01:48:17
7	Guðmundur Már Kristmundsson	50	C#	2022-04-26 17:51:05
8	Bjarki Fannar Snorrason	50	C#	2023-11-10 11:24:39
9	Niklas Schmiedel	50	C#	2024-10-30 09:24:18
10	Umar Rasyid	50	C#	2025-05-18 00:25:10

#	User	Score	Language	Date
1	Stefan Schmiedl	100	F#	2024-08-21 10:03:30
2	Magnus Baasch Langkilde	100	F#	2025-02-25 11:27:07
3	Gudjon Bjarki	50	F#	2024-02-14 16:17:42

#	User	Score	Language	Date
1	Hidden user	100	Go	2021-10-22 19:51:33
2	Norbert Voelker	100	Go	2024-04-24 18:45:56
3	Alex Kohanim	50	Go	2024-06-03 19:35:44
4	Rasmus Streubel Nielsen	50	Go	2024-09-04 15:41:11

#	User	Score	Language	Date
1	Steinar Simonnes	100	Haskell	2024-04-15 12:30:40
2	Brent Yorgey	100	Haskell	2024-04-18 12:18:08
3	Oisín Mac Fhearaí	100	Haskell	2024-08-24 21:23:02
4	Sebastian Banert	100	Haskell	2024-09-26 17:17:50
5	Herdi Saleh	100	Haskell	2024-11-08 17:36:02
6	Fabian Mitterwallner	100	Haskell	2025-07-28 19:04:22
7	Adhyan H.	100	Haskell	2025-08-30 02:52:48
8	Shinji Koshida	100	Haskell	2025-09-17 16:27:51
9	Dan Greco	100	Haskell	2025-09-26 06:24:24

#	User	Score	Language	Date
1	Róbert Kristian Freysson	100	JavaScript (Node.js)	2022-12-27 14:24:41
2	Hidden user	100	JavaScript (Node.js)	2024-09-26 19:12:19
3	Muhammad	50	JavaScript (Node.js)	2024-10-31 13:01:11

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2024-04-15 17:16:16
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2024-04-22 18:30:15
3	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-07-29 08:46:45
4	Jose Villegas	100	JavaScript (SpiderMonkey)	2025-02-10 01:48:53

#	User	Score	Language	Date
1	Alexandre Charland	100	Julia	2024-09-27 15:02:11
2	Timothy Gaede	50	Julia	2024-04-15 08:04:43

#	User	Score	Language	Date
1	Martijn Muijsers	100	Kotlin	2024-06-03 15:10:35
2	Adam Rankin	100	Kotlin	2024-11-22 04:02:56
3	Jacob Huebner	100	Kotlin	2025-02-02 10:09:01

#	User	Score	Language	Date
1	Quan Le Huynh Dong	50	Lua	2024-11-26 03:29:28

#	User	Score	Language	Date
1	Hidden user	100	OCaml	2024-06-19 21:25:25

#	User	Score	Language	Date
1	Ingemar Ragnemalm	100	Pascal	2024-05-19 19:40:16

#	User	Score	Language	Date
1	Chenzhang Hu	100	Perl	2025-09-14 11:52:03
2	Thomas Feld	100	Perl	2025-09-15 15:38:46

#	User	Score	Language	Date
1	Renate	100	PHP	2024-04-15 23:27:11

#	User	Score	Language	Date
1	Samúel Arnar Hafsteinsson	100	Python 2	2020-03-21 22:30:19
2	Elvar Árni Bjarnason	100	Python 2	2020-03-22 14:51:14
3	Dagur Benjamínsson	100	Python 2	2023-07-06 02:13:04
4	Johan Lyts	100	Python 2	2024-04-20 21:37:39

#	User	Score	Language	Date
1	Noah Hessen Bjerke	100	Ruby	2024-04-15 13:55:49
2	Clement Oh	100	Ruby	2024-04-18 13:51:31
3	Miorel Palii	100	Ruby	2024-11-29 04:11:48

#	User	Score	Language	Date
1	Hidden user	100	Rust	2024-04-15 06:07:02
2	Frank Endriss	100	Rust	2024-06-06 17:00:43
3	Erik Magnusson	100	Rust	2024-06-24 20:59:13
4	Vincent Lagerros	100	Rust	2024-08-17 18:12:42
5	Chokotrec'h	100	Rust	2024-09-02 23:45:46
6	Simon Grünwald	100	Rust	2024-09-12 14:55:38
7	Bas Dirks	100	Rust	2025-01-17 14:52:42
8	Kosuke Onodera	100	Rust	2025-07-17 12:52:22
9	Artur Khuziakhmetov	100	Rust	2025-10-29 10:31:29
10	Sawyer Grimm	100	Rust	2025-11-07 07:04:23

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.06 s	Bash	2025-09-12 20:38:12
2	Danny Robinson	0.07 s	Bash	2024-08-29 17:41:30
3	Si Jie Tan	0.15 s	Bash	2025-12-10 10:34:55
4	Thomas Feld	0.16 s	Bash	2024-04-16 10:02:28

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2020-03-24 11:02:05
2	cera	0.01 s	C	2024-10-26 07:01:59
3	Joacim Wärn	0.01 s	C	2025-02-27 07:25:12
4	Anton	0.03 s	C	2024-09-18 14:05:03
5	Kjartan Óli Ágústsson	0.06 s	C	2021-03-04 15:46:26
6	Axel Snær	0.09 s	C	2021-04-14 20:29:44
7	Jamieson Dettmer	0.12 s	C	2025-01-26 12:07:37
8	Magnus Eide-Fredriksen	0.12 s	C	2025-08-25 05:12:08
9	Sami Al Chalati	0.29 s	C	2024-06-08 16:21:38
10	Ethan Clark	0.41 s	C	2024-10-01 20:16:25

#	User	Runtime	Language	Date
1	traxex	0.35 s	C#	2024-05-24 10:55:00
2	Deci Bel	0.39 s	C#	2024-06-09 18:33:57
3	Matthew Bunge	0.43 s	C#	2024-09-17 05:17:12
4	Roberto Rodriguez Giorgetti	0.80 s	C#	2024-10-02 19:18:57
5	Գոռ Բաղդասարյան	1.01 s	C#	2024-08-01 14:46:04

#	User	Runtime	Language	Date
1	Jonathan Hallström	0.01 s	C++	2024-07-05 13:58:49
2	Azeez Daoud	0.04 s	C++	2025-01-10 18:31:05
3	Simen Sørensen	0.06 s	C++	2024-04-15 19:37:05
4	Jiaye Will Wang	0.06 s	C++	2024-04-15 20:58:44
5	Hidden user	0.06 s	C++	2024-04-25 13:47:39
6	Michael Voigt	0.06 s	C++	2024-04-29 01:56:27
7	Tomas Lagland	0.06 s	C++	2024-04-30 16:50:06
8	Glenn Edstrom	0.06 s	C++	2024-05-06 22:59:33
9	Christian Yongwhan Lim	0.06 s	C++	2024-05-08 07:14:38
10	Leszek Hanusiak	0.06 s	C++	2024-05-13 16:53:31

#	User	Runtime	Language	Date
1	Stefan Schmiedl	0.46 s	F#	2024-08-21 10:03:30
2	Magnus Baasch Langkilde	2.00 s	F#	2025-02-25 11:27:07

#	User	Runtime	Language	Date
1	Norbert Voelker	0.05 s	Go	2024-04-24 18:45:56
2	Hidden user	0.08 s	Go	2021-10-22 19:51:33

#	User	Runtime	Language	Date
1	Fabian Mitterwallner	0.02 s	Haskell	2025-07-28 19:13:06
2	Sebastian Banert	0.31 s	Haskell	2024-09-26 17:17:50
3	Herdi Saleh	0.31 s	Haskell	2024-11-08 17:51:30
4	Dan Greco	0.31 s	Haskell	2025-09-26 06:24:24
5	Shinji Koshida	0.35 s	Haskell	2025-09-17 16:27:51
6	Oisín Mac Fhearaí	0.58 s	Haskell	2024-08-24 21:23:02
7	Adhyan H.	0.58 s	Haskell	2025-08-30 02:52:48
8	Brent Yorgey	0.65 s	Haskell	2024-04-18 12:19:25
9	Steinar Simonnes	1.06 s	Haskell	2024-04-15 12:30:40

#	User	Runtime	Language	Date
1	Yang Chengyu	0.12 s	Java	2025-09-15 04:21:28
2	Sven Rönnbäck	0.13 s	Java	2024-04-20 11:45:57
3	Guangyi Zhou	0.15 s	Java	2025-01-01 12:19:01
4	Liam Keliher	0.29 s	Java	2024-06-02 06:06:12
5	Pham Minh Tuan Bui	0.29 s	Java	2024-10-29 23:26:19
6	Phuc Tan Hien Tran	0.29 s	Java	2024-10-30 08:43:41
7	Vo Van Tuan Kiet	0.29 s	Java	2024-10-30 08:49:06
8	Hidden user	0.29 s	Java	2025-09-15 13:07:07
9	Ben Cobb	0.30 s	Java	2024-09-21 20:59:27
10	James H. Tran	0.30 s	Java	2024-10-31 14:21:41

#	User	Runtime	Language	Date
1	Róbert Kristian Freysson	1.15 s	JavaScript (Node.js)	2022-12-27 14:24:41
2	Hidden user	1.18 s	JavaScript (Node.js)	2024-09-26 19:12:19

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.48 s	JavaScript (SpiderMonkey)	2024-07-29 08:46:45
2	Bjørn Chr. Soltvedt	0.60 s	JavaScript (SpiderMonkey)	2024-04-15 17:16:16
3	Christian Pilegaard Cederquist	0.60 s	JavaScript (SpiderMonkey)	2024-04-22 18:30:15
4	Jose Villegas	0.75 s	JavaScript (SpiderMonkey)	2025-02-10 01:48:53

#	User	Runtime	Language	Date
1	Alexandre Charland	0.81 s	Julia	2024-09-27 15:02:11

#	User	Runtime	Language	Date
1	Jacob Huebner	0.46 s	Kotlin	2025-02-02 10:09:01
2	Martijn Muijsers	0.84 s	Kotlin	2024-06-03 15:10:35
3	Adam Rankin	1.04 s	Kotlin	2024-11-22 04:02:56

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	OCaml	2024-06-19 21:25:25

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.28 s	Pascal	2024-05-19 19:40:16

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.06 s	Perl	2025-09-14 11:52:03
2	Thomas Feld	0.06 s	Perl	2025-09-15 15:38:46

#	User	Runtime	Language	Date
1	Renate	0.31 s	PHP	2024-04-15 23:27:11

#	User	Runtime	Language	Date
1	Elvar Árni Bjarnason	0.50 s	Python 2	2020-03-22 14:53:19
2	Johan Lyts	0.50 s	Python 2	2024-04-20 21:37:39
3	Samúel Arnar Hafsteinsson	0.61 s	Python 2	2020-03-21 22:30:19
4	Dagur Benjamínsson	0.69 s	Python 2	2023-07-06 02:13:04

#	User	Runtime	Language	Date
1	Petr	0.08 s	Python 3	2024-11-02 21:44:12
2	Hidden user	0.10 s	Python 3	2025-09-10 19:35:35
3	Lex Janssens	0.10 s	Python 3	2025-09-23 22:02:39
4	Asher Diamond	0.10 s	Python 3	2025-10-12 13:56:43
5	SAW WEI LIN	0.29 s	Python 3	2025-09-12 17:49:28
6	Tooba Javed	0.29 s	Python 3	2025-09-30 16:54:49
7	Julien Calenge	0.30 s	Python 3	2024-07-19 14:34:06
8	Nicholas Russell Saerang	0.30 s	Python 3	2025-09-12 17:43:08
9	Zhao Zihan	0.34 s	Python 3	2025-09-18 14:39:30
10	WONG ZHAO CAI	0.36 s	Python 3	2025-09-06 04:31:38

#	User	Runtime	Language	Date
1	Noah Hessen Bjerke	0.07 s	Ruby	2024-04-15 13:55:49
2	Clement Oh	0.71 s	Ruby	2024-04-18 13:51:31
3	Miorel Palii	1.37 s	Ruby	2024-11-29 04:11:48

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-08-17 18:16:41
2	Simon Grünwald	0.01 s	Rust	2024-09-12 15:11:41
3	Bas Dirks	0.01 s	Rust	2025-01-17 15:18:53
4	Artur Khuziakhmetov	0.01 s	Rust	2025-10-29 10:31:29
5	Frank Endriss	0.02 s	Rust	2024-06-06 17:00:43
6	Chokotrec'h	0.14 s	Rust	2024-09-02 23:47:04
7	Hidden user	0.19 s	Rust	2024-04-15 06:07:02
8	Kosuke Onodera	0.24 s	Rust	2025-07-17 12:52:22
9	Erik Magnusson	0.31 s	Rust	2024-06-24 20:59:13
10	Sawyer Grimm	0.32 s	Rust	2025-11-07 07:04:23

#	User	Length	Language	Date
1	Chenzhang Hu	13	Bash	2025-09-14 17:51:47
2	Danny Robinson	14	Bash	2024-08-29 17:41:30
3	Thomas Feld	20	Bash	2024-04-16 10:02:05
4	Si Jie Tan	28	Bash	2025-12-10 10:34:55

#	User	Length	Language	Date
1	cera	280	C	2024-10-25 02:36:10
2	Ethan Clark	335	C	2024-10-01 20:16:25
3	Magnus Eide-Fredriksen	386	C	2025-08-25 05:12:08
4	Kjartan Óli Ágústsson	401	C	2021-03-04 15:46:26
5	Joacim Wärn	501	C	2025-02-27 07:22:01
6	Anton	511	C	2024-09-18 14:05:03
7	Bergur Snorrason	646	C	2020-03-24 11:02:05
8	Sami Al Chalati	692	C	2024-06-08 16:21:38
9	Jamieson Dettmer	764	C	2025-01-26 12:07:37
10	Axel Snær	961	C	2021-04-14 20:29:44

#	User	Length	Language	Date
1	traxex	359	C#	2024-05-24 10:55:00
2	Գոռ Բաղդասարյան	534	C#	2024-08-01 14:46:04
3	Matthew Bunge	805	C#	2024-09-17 05:17:12
4	Roberto Rodriguez Giorgetti	977	C#	2024-10-02 19:18:57
5	Deci Bel	1242	C#	2024-06-09 18:33:57

#	User	Length	Language	Date
1	Azeez Daoud	123	C++	2025-01-10 18:30:24
2	Ignacio Castellano Vega	218	C++	2024-05-23 05:58:45
3	Alexander Skidanov	232	C++	2024-12-20 11:05:41
4	Alexander Bjartur Guðbjartsson	245	C++	2024-09-17 23:05:28
5	ff	249	C++	2024-12-20 11:05:52
6	Buste Alin	249	C++	2025-02-10 07:12:11
7	Titus Chew	250	C++	2025-01-27 06:29:05
8	Frans Meulenbroeks	252	C++	2024-10-15 21:58:08
9	MrTwixxy	253	C++	2025-03-18 15:50:21
10	Brynjar Haraldsson	257	C++	2021-03-07 17:34:33

#	User	Length	Language	Date
1	Stefan Schmiedl	180	F#	2024-08-21 10:03:30
2	Magnus Baasch Langkilde	1086	F#	2025-02-25 11:27:07

#	User	Length	Language	Date
1	Norbert Voelker	537	Go	2024-04-24 18:45:56
2	Hidden user	1361	Go	2021-10-22 19:51:33

#	User	Length	Language	Date
1	Fabian Mitterwallner	34	Haskell	2025-07-28 19:40:04
2	Oisín Mac Fhearaí	76	Haskell	2024-08-25 04:40:17
3	Herdi Saleh	91	Haskell	2024-11-08 18:03:22
4	Shinji Koshida	93	Haskell	2025-09-17 16:27:51
5	Sebastian Banert	103	Haskell	2024-09-26 17:17:50
6	Adhyan H.	131	Haskell	2025-08-30 02:52:48
7	Dan Greco	178	Haskell	2025-09-26 06:24:24
8	Brent Yorgey	229	Haskell	2024-04-18 12:18:08
9	Steinar Simonnes	266	Haskell	2024-04-15 12:30:40

#	User	Length	Language	Date
1	Hidden user	334	Java	2024-07-31 04:29:37
2	Hidden user	360	Java	2025-09-08 03:47:41
3	Hidden user	371	Java	2025-09-11 11:08:26
4	Jung Eunwoo	379	Java	2025-09-19 15:52:56
5	Tan Zhi Jie Jack	387	Java	2025-09-07 09:11:53
6	Hidden user	391	Java	2025-09-12 00:50:30
7	Manh Duc Tran	396	Java	2024-10-30 14:41:02
8	Viet Tin Le	399	Java	2024-10-30 16:23:44
9	HWANG DOWON	400	Java	2025-09-19 19:11:57
10	Shayan Ali Abbasi	402	Java	2024-10-31 12:15:55

#	User	Length	Language	Date
1	Róbert Kristian Freysson	464	JavaScript (Node.js)	2022-12-27 14:24:41
2	Hidden user	586	JavaScript (Node.js)	2024-09-26 19:12:19

#	User	Length	Language	Date
1	Jimmy Gustafsson	77	JavaScript (SpiderMonkey)	2024-07-29 08:46:45
2	Bjørn Chr. Soltvedt	96	JavaScript (SpiderMonkey)	2024-04-15 17:19:01
3	Christian Pilegaard Cederquist	133	JavaScript (SpiderMonkey)	2024-04-22 18:30:15
4	Jose Villegas	154	JavaScript (SpiderMonkey)	2025-02-10 01:48:53

#	User	Length	Language	Date
1	Alexandre Charland	40	Julia	2024-09-27 15:02:11

#	User	Length	Language	Date
1	Jacob Huebner	201	Kotlin	2025-02-02 10:09:01
2	Adam Rankin	214	Kotlin	2024-11-22 04:02:56
3	Martijn Muijsers	471	Kotlin	2024-06-03 15:10:35

#	User	Length	Language	Date
1	Hidden user	314	OCaml	2024-06-19 21:25:25

#	User	Length	Language	Date
1	Ingemar Ragnemalm	201	Pascal	2024-05-19 19:40:16

#	User	Length	Language	Date
1	Chenzhang Hu	6	Perl	2025-09-14 11:52:03
2	Thomas Feld	6	Perl	2025-09-15 15:38:46

#	User	Length	Language	Date
1	Renate	178	PHP	2024-04-15 23:27:11

#	User	Length	Language	Date
1	Elvar Árni Bjarnason	135	Python 2	2020-03-22 14:53:19
2	Dagur Benjamínsson	144	Python 2	2023-07-06 02:13:04
3	Samúel Arnar Hafsteinsson	150	Python 2	2020-03-21 22:30:19
4	Johan Lyts	488	Python 2	2024-04-20 21:37:39

#	User	Length	Language	Date
1	Alexandre Charland	53	Python 3	2024-07-11 14:47:45
2	Sander Oppen	55	Python 3	2024-04-15 11:37:11
3	Maxime Gloesener	57	Python 3	2024-04-14 23:09:32
4	Timothy Baeckelant	57	Python 3	2024-04-15 01:56:27
5	Noah Hessen Bjerke	57	Python 3	2024-04-15 13:48:32
6	Dirk Burgers	57	Python 3	2024-09-29 11:46:24
7	Mack Wong Yoong Yee	58	Python 3	2024-04-15 05:40:07
8	Zsolt Németh	58	Python 3	2024-05-21 11:16:07
9	Gunnsteinn Þór Ólason	59	Python 3	2024-11-17 17:36:54
10	Freek van Keulen	60	Python 3	2024-04-29 11:38:40

#	User	Length	Language	Date
1	Noah Hessen Bjerke	36	Ruby	2024-04-15 13:55:49
2	Miorel Palii	51	Ruby	2024-11-29 04:11:48
3	Clement Oh	65	Ruby	2024-04-18 13:51:31

#	User	Length	Language	Date
1	Simon Grünwald	166	Rust	2024-09-12 15:25:32
2	Bas Dirks	339	Rust	2025-01-17 14:53:28
3	Artur Khuziakhmetov	407	Rust	2025-10-29 10:31:29
4	Sawyer Grimm	478	Rust	2025-11-07 07:04:23
5	Chokotrec'h	530	Rust	2024-09-02 23:45:46
6	Hidden user	703	Rust	2024-04-15 06:07:02
7	Kosuke Onodera	775	Rust	2025-07-17 12:52:22
8	Frank Endriss	780	Rust	2024-06-06 17:00:43
9	Erik Magnusson	3984	Rust	2024-06-24 20:59:13
10	Vincent Lagerros	4558	Rust	2024-08-17 18:17:51

Solution running time distribution