Problem A
Östgötska — Problem Statistics

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Submissions	4297
Accepted submissions	1830
Submission ratio	42.59%
Authors	1773
Accepted authors	1638
Author ratio	92.39%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-09 22:18:32
2	Thomas Feld	0.01 s	Bash	2023-09-11 10:27:38

#	User	Runtime	Language	Date
1	Omar Thamer	0.01 s	C#	2018-05-10 17:04:28
2	Klas af Geijerstam	0.02 s	C#	2018-03-28 20:07:42
3	Johan Pettersson	0.02 s	C#	2018-04-19 21:17:30
4	Duelene Olson	0.02 s	C#	2018-07-11 09:41:35
5	Joel Keleta	0.02 s	C#	2018-08-10 15:12:16
6	Fredrik Salomonsson	0.02 s	C#	2019-03-26 22:17:37
7	Thomas Norris	0.02 s	C#	2019-10-01 16:28:37
8	Henrik Hallbert	0.02 s	C#	2019-10-24 21:38:52
9	Max Tegnebo	0.02 s	C#	2019-12-15 23:45:09
10	Jan Matthiessen	0.02 s	C#	2020-11-15 14:06:36

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Common Lisp	2019-05-26 06:48:40

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.07 s	F#	2022-08-02 18:53:07

#	User	Runtime	Language	Date
1	vadim popolitov	0.00 s	Go	2025-05-03 19:02:19
2	Theo Coyne Morgan	0.01 s	Go	2019-03-28 03:06:29
3	Yuwono Bangun Nagoro	0.07 s	Go	2018-10-02 16:27:11
4	Hidden user	0.07 s	Go	2018-11-01 05:52:37
5	Sander Hellesø	0.07 s	Go	2019-04-10 13:10:59
6	Norbert Voelker	0.07 s	Go	2021-04-15 15:18:44
7	Neal McCarthy	0.09 s	Go	2018-04-17 00:53:59

#	User	Runtime	Language	Date
1	Markus Larsson	0.05 s	Java	2018-03-03 13:06:35
2	Tobias Glimmerfors	0.05 s	Java	2018-03-03 13:07:05
3	Herman Appelgren	0.05 s	Java	2018-03-03 13:11:03
4	Stela Palii	0.05 s	Java	2018-03-05 04:16:23
5	Anton Hellbe	0.05 s	Java	2018-03-06 20:47:36
6	Steven Cheng	0.05 s	Java	2018-03-08 02:33:16
7	John Ladera	0.05 s	Java	2018-03-11 08:32:15
8	Max Holmberg	0.05 s	Java	2018-03-28 22:38:29
9	Lizhong Wang	0.05 s	Java	2018-03-30 20:47:48
10	Pontus Eriksson	0.05 s	Java	2018-04-16 17:07:55

#	User	Runtime	Language	Date
1	Oskar Deubler	0.04 s	JavaScript (Node.js)	2024-10-03 15:20:53
2	Marko Lazic	0.05 s	JavaScript (Node.js)	2018-06-16 12:14:49
3	BRYAN DAVID ALVAREZ GALVIS	0.05 s	JavaScript (Node.js)	2023-10-07 17:13:55
4	John	0.08 s	JavaScript (Node.js)	2022-07-19 00:12:45
5	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-22 16:28:57
6	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-20 14:42:39
7	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-09 21:04:01
8	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2020-10-19 22:25:45
9	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-18 19:04:34
10	David Sanders	0.42 s	JavaScript (Node.js)	2021-03-15 20:55:35

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-03-26 11:18:58
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-15 15:40:33
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-08-16 11:17:47
4	Alexander Vestin	0.02 s	JavaScript (SpiderMonkey)	2022-10-15 03:36:16
5	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-09 23:30:26
6	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-20 23:55:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.30 s	Julia	2024-04-04 08:28:24

#	User	Runtime	Language	Date
1	Neil Harmon	0.16 s	Kotlin	2019-04-26 12:21:31
2	Adrian Wireklint	0.16 s	Kotlin	2022-02-13 11:35:38
3	Hidden user	0.17 s	Kotlin	2018-10-13 14:10:02
4	Adam Rankin	0.18 s	Kotlin	2023-05-05 01:45:42
5	Emil Wihlander	0.18 s	Kotlin	2023-07-27 15:57:16
6	Dayan Ruben Gonzalez	0.19 s	Kotlin	2020-10-08 02:53:29
7	Ahmed Waseem Saeed	0.19 s	Kotlin	2021-12-22 21:52:41
8	Merih Bora Poçan	0.20 s	Kotlin	2020-08-12 18:35:43
9	Einar Kjellback	0.22 s	Kotlin	2019-12-10 11:57:41
10	Hidden user	0.22 s	Kotlin	2019-12-27 18:21:02

#	User	Runtime	Language	Date
1	Sebastian Sternberg	0.00 s	OCaml	2022-05-07 10:57:31
2	Hidden user	0.00 s	OCaml	2024-06-06 11:10:20

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-03-06 19:04:31
2	David Connolly	0.00 s	Pascal	2022-04-12 15:50:54

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2018-04-02 00:31:55
2	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-10-28 21:02:36
3	Peter Kvick	0.01 s	PHP	2020-01-26 15:31:48
4	cojonas1	0.01 s	PHP	2021-01-14 13:45:16
5	Renate	0.01 s	PHP	2021-07-04 00:07:12
6	Erik Boström	0.01 s	PHP	2021-12-27 21:27:27
7	Andre Wahyudi	0.01 s	PHP	2023-03-15 10:01:48

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2022-12-15 08:30:47
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-07 21:14:52

#	User	Runtime	Language	Date
1	Måns Magnusson	0.02 s	Python 2	2018-03-03 13:02:43
2	Hidden user	0.02 s	Python 2	2018-03-03 13:04:20
3	Hidden user	0.02 s	Python 2	2018-03-03 13:04:56
4	Jacob Elliott	0.02 s	Python 2	2018-03-06 23:33:22
5	Peter Sofronas	0.02 s	Python 2	2018-03-07 18:47:45
6	Vifill Sverrisson	0.02 s	Python 2	2018-03-14 00:49:13
7	Sigurður Jens Albertsson	0.02 s	Python 2	2018-03-28 01:20:06
8	João Pedro Alvito	0.02 s	Python 2	2018-03-31 02:02:22
9	Hidden user	0.02 s	Python 2	2018-04-09 18:26:41
10	Andrei Stoica	0.02 s	Python 2	2018-04-28 22:48:12

#	User	Runtime	Language	Date
1	Arvid Lunnemark	0.02 s	Python 3	2018-03-03 13:02:55
2	Sebastian Hjelm	0.02 s	Python 3	2018-03-03 13:03:27
3	Fredrik Hernqvist	0.02 s	Python 3	2018-03-03 13:04:30
4	Niklas Samuelsson	0.02 s	Python 3	2018-03-03 13:04:56
5	Björn Magnusson	0.02 s	Python 3	2018-03-03 13:05:46
6	Jonatan Nilsson	0.02 s	Python 3	2018-03-03 13:06:29
7	Sam Zackrisson	0.02 s	Python 3	2018-03-03 13:06:37
8	Robert Welin-Berger	0.02 s	Python 3	2018-03-03 13:07:28
9	Mattias Akke	0.02 s	Python 3	2018-03-03 13:07:45
10	Justus Karlsson	0.02 s	Python 3	2018-03-03 13:08:10

#	User	Runtime	Language	Date
1	Miorel Palii	0.03 s	Ruby	2018-03-03 20:07:19
2	Leonardo Brito	0.04 s	Ruby	2018-04-20 23:17:46
3	Hidden user	0.04 s	Ruby	2018-10-27 01:09:53
4	Lim Ming Yean	0.04 s	Ruby	2018-11-26 09:49:47
5	Savvas Alexandrou	0.04 s	Ruby	2018-12-15 19:10:13
6	Hidden user	0.04 s	Ruby	2019-02-26 11:25:29
7	Dylan Mcdougall	0.04 s	Ruby	2019-12-12 22:14:07
8	Klara Jonsson	0.04 s	Ruby	2020-03-24 13:07:15
9	Zach Baruch	0.05 s	Ruby	2021-09-09 03:14:11
10	Thomas Feld	0.06 s	Ruby	2022-11-25 15:46:30

#	User	Length	Language	Date
1	Thomas Feld	91	Bash	2023-09-12 15:50:16
2	Danny Robinson	98	Bash	2023-09-09 22:22:30

#	User	Length	Language	Date
1	Matthew Weston	398	C	2022-01-27 03:29:15
2	Allan Nouri	400	C	2024-04-06 22:45:52
3	Magnus Wass	454	C	2020-02-19 16:31:16
4	Vincent Khrishardy	492	C	2020-11-03 08:39:57
5	Alem	507	C	2023-03-03 09:56:13
6	Matthew Hartono	515	C	2022-12-06 14:03:22
7	Mikael K Eriksson	516	C	2021-02-27 22:08:50
8	Jerome Tujague	517	C	2018-07-17 15:09:28
9	William Ball	517	C	2020-03-09 04:06:46
10	Hidden user	526	C	2018-03-08 04:54:57

#	User	Length	Language	Date
1	Gregory Sinclair	179	C#	2023-11-21 22:28:43
2	Göran Andersson	342	C#	2022-05-13 20:52:40
3	Klas af Geijerstam	377	C#	2018-03-28 20:07:42
4	Michael Damsgaard	429	C#	2025-01-05 05:44:43
5	Elias Gyll	643	C#	2022-02-13 09:36:21
6	Tran Hoang Phuc	674	C#	2021-03-30 10:53:12
7	Duelene Olson	682	C#	2018-07-11 09:41:35
8	Jesper Lundin	718	C#	2021-09-26 15:33:41
9	Alex Van Keulen	731	C#	2019-09-06 20:57:49
10	Umar Rasyid	734	C#	2025-05-31 23:35:28

#	User	Length	Language	Date
1	Yeung Man Tsung	265	C++	2023-03-20 17:59:32
2	Frederick Pek	275	C++	2021-06-04 14:41:41
3	Alex Rudzenis	286	C++	2023-04-17 18:36:06
4	Bennett Lim	301	C++	2020-01-29 05:59:41
5	Joas Haunstrup	307	C++	2022-10-13 22:38:46
6	Mohammad Sadeghi	308	C++	2019-07-14 12:31:24
7	Eimhin McDonald	310	C++	2018-03-05 03:41:13
8	Grae Yeandle	310	C++	2018-03-18 13:07:56
9	Markus Mathiasen	323	C++	2022-10-11 08:15:29
10	Radian Krisno	325	C++	2022-12-06 09:27:56

#	User	Length	Language	Date
1	Hidden user	443	Common Lisp	2019-05-26 06:48:40

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	415	F#	2022-08-02 18:53:07

#	User	Length	Language	Date
1	Hidden user	384	Go	2018-11-01 05:52:37
2	Theo Coyne Morgan	391	Go	2019-03-28 03:06:29
3	vadim popolitov	446	Go	2025-05-03 19:02:19
4	Neal McCarthy	453	Go	2018-04-17 00:53:59
5	Yuwono Bangun Nagoro	473	Go	2018-10-02 16:27:11
6	Norbert Voelker	804	Go	2021-04-15 15:18:44
7	Sander Hellesø	1088	Go	2019-04-10 13:10:59

#	User	Length	Language	Date
1	Hidden user	229	Haskell	2018-11-01 05:44:12
2	Hidden user	317	Haskell	2019-08-23 18:13:26
3	Jahid Hasan Imon	328	Haskell	2020-11-22 20:26:56
4	Steinar Simonnes	333	Haskell	2023-10-01 00:53:57
5	Håkon Flatval	335	Haskell	2018-08-31 23:36:10
6	Aurélien Pepin	348	Haskell	2019-08-16 19:33:28
7	Sebastian Banert	350	Haskell	2025-02-05 18:21:43
8	Robbie Langer	367	Haskell	2021-09-09 00:26:00
9	Patrik Lilja	465	Haskell	2018-03-25 11:49:49
10	Ola Berglund	467	Haskell	2024-10-15 23:00:49

#	User	Length	Language	Date
1	Kevin Kauffman	394	Java	2022-01-02 23:47:06
2	Caeden Whitaker	398	Java	2020-07-08 05:28:53
3	Ali Pervaiz	403	Java	2019-03-25 16:16:47
4	Carter Henderson	415	Java	2022-03-01 17:58:39
5	ouafae messaoudi	415	Java	2020-01-01 12:17:24
6	Nicholas Bui	429	Java	2020-05-07 05:51:44
7	eti2	432	Java	2021-07-09 18:38:31
8	Justin Turner	434	Java	2018-03-06 19:59:32
9	Bowen Yang	441	Java	2021-09-30 04:24:26
10	Hayley Russell	449	Java	2018-04-28 15:16:31

#	User	Length	Language	Date
1	BRYAN DAVID ALVAREZ GALVIS	380	JavaScript (Node.js)	2023-10-07 17:13:55
2	Dharmarakshit Harley	385	JavaScript (Node.js)	2021-03-22 23:50:29
3	Umakanth Sai Balguri	386	JavaScript (Node.js)	2021-03-23 01:34:06
4	Nynali Gopu	390	JavaScript (Node.js)	2021-03-22 21:36:42
5	Meghla Sarkar	390	JavaScript (Node.js)	2021-03-23 00:04:47
6	Shreya Uday	390	JavaScript (Node.js)	2021-03-23 01:13:36
7	Samrat Korupolu	390	JavaScript (Node.js)	2021-03-23 02:55:08
8	Saranya Rajagopalan	418	JavaScript (Node.js)	2021-03-22 23:13:34
9	Sri Venkata Venu Gopal Guddati	418	JavaScript (Node.js)	2021-03-23 02:11:50
10	Peter Kedemo	420	JavaScript (Node.js)	2019-12-22 16:28:57

#	User	Length	Language	Date
1	Zach Tschetter	175	JavaScript (SpiderMonkey)	2023-04-20 23:55:13
2	Christian Cederquist	183	JavaScript (SpiderMonkey)	2023-01-09 23:30:26
3	Bjørn Chr. Soltvedt	203	JavaScript (SpiderMonkey)	2018-03-26 11:18:58
4	Jimmy Gustafsson	207	JavaScript (SpiderMonkey)	2022-08-16 11:17:47
5	Alexander Vestin	258	JavaScript (SpiderMonkey)	2022-10-15 03:36:16
6	Peter Menyes	263	JavaScript (SpiderMonkey)	2021-08-15 15:40:33

#	User	Length	Language	Date
1	Timothy Gaede	300	Julia	2024-04-04 08:28:24

#	User	Length	Language	Date
1	Adam Rankin	292	Kotlin	2023-05-05 01:45:42
2	Emil Wihlander	295	Kotlin	2023-07-27 15:57:16
3	Einar Kjellback	295	Kotlin	2019-12-10 11:57:41
4	Troy Warmboe	324	Kotlin	2020-02-11 02:26:53
5	Hidden user	337	Kotlin	2019-12-27 18:21:02
6	Dayan Ruben Gonzalez	357	Kotlin	2020-10-08 02:53:29
7	Ahmed Waseem Saeed	361	Kotlin	2021-12-22 21:52:41
8	Hidden user	390	Kotlin	2018-10-13 14:10:02
9	Merih Bora Poçan	455	Kotlin	2020-08-12 18:35:43
10	Adrian Wireklint	487	Kotlin	2022-02-13 11:35:38

#	User	Length	Language	Date
1	Hidden user	477	OCaml	2024-06-06 11:10:20
2	Sebastian Sternberg	513	OCaml	2022-05-07 11:00:17

#	User	Length	Language	Date
1	Ingemar Ragnemalm	560	Pascal	2018-03-06 19:04:31
2	David Connolly	835	Pascal	2022-04-12 15:50:54

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	318	PHP	2019-10-28 21:02:36
2	Renate	318	PHP	2021-07-04 00:07:12
3	Susanne Ragnemalm	378	PHP	2018-04-02 00:31:55
4	Peter Kvick	478	PHP	2020-01-26 15:31:48
5	Andre Wahyudi	522	PHP	2023-03-15 10:01:48
6	cojonas1	536	PHP	2021-01-14 13:45:16
7	Erik Boström	679	PHP	2021-12-27 21:27:27

#	User	Length	Language	Date
1	Hakan Kjellerstrand	316	Prolog	2023-02-07 21:14:52
2	Andriy Zyevakov	461	Prolog	2022-12-15 08:30:47

#	User	Length	Language	Date
1	Thomas Feld	129	Python 2	2019-09-02 09:51:50
2	Nick Wu	156	Python 2	2018-08-04 03:11:20
3	Guan Yang Ze	175	Python 2	2020-03-13 14:18:15
4	Johan Lyts	180	Python 2	2019-05-07 14:55:32
5	Lim Hong Hui Eugene	198	Python 2	2019-04-25 03:28:15
6	Måns Magnusson	200	Python 2	2018-03-03 13:02:43
7	Hidden user	201	Python 2	2018-03-03 13:04:20
8	Hidden user	211	Python 2	2018-03-03 13:04:56
9	Wang Zhi Jian	219	Python 2	2018-12-05 07:54:05
10	Vifill Sverrisson	222	Python 2	2018-03-14 00:49:13

#	User	Length	Language	Date
1	Harry Zhang	108	Python 3	2022-12-22 16:29:33
2	Tai Tze Kin	113	Python 3	2024-03-28 08:26:18
3	Morten Clausen	114	Python 3	2022-10-25 21:16:11
4	Alexandre Charland	114	Python 3	2024-10-14 19:21:19
5	Sander Oppen	114	Python 3	2024-05-21 11:01:53
6	Tobias Glimmerfors	115	Python 3	2022-07-01 18:19:53
7	Hugo Ekinge	115	Python 3	2022-07-01 18:23:10
8	Millie Lægreid Solem	119	Python 3	2024-02-11 22:12:31
9	Victor Song	119	Python 3	2024-04-04 19:25:16
10	Lukas Kerren	121	Python 3	2024-04-10 14:09:05

#	User	Length	Language	Date
1	Thomas Feld	99	Ruby	2022-11-25 15:46:30
2	Miorel Palii	153	Ruby	2018-03-03 20:07:19
3	Hidden user	164	Ruby	2018-10-27 01:09:53
4	Hidden user	188	Ruby	2019-02-26 11:25:29
5	Leonardo Brito	209	Ruby	2018-04-20 23:19:58
6	Lim Ming Yean	223	Ruby	2018-11-26 09:49:47
7	Zach Baruch	228	Ruby	2021-09-09 03:14:11
8	Klara Jonsson	243	Ruby	2020-03-24 13:07:15
9	Savvas Alexandrou	251	Ruby	2018-12-15 19:10:13
10	Dylan Mcdougall	263	Ruby	2019-12-12 22:14:07

#	User	Length	Language	Date
1	David Aldenbro	265	Rust	2023-10-26 14:23:39
2	Vincent Lagerros	406	Rust	2025-06-11 13:21:00
3	Hidden user	433	Rust	2018-11-05 13:38:12
4	Artur Khuziakhmetov	499	Rust	2022-07-15 13:50:44
5	Kok Dith	524	Rust	2021-08-11 12:16:21
6	Dan Yang	525	Rust	2019-04-11 01:00:13
7	Samuel Kyletoft	526	Rust	2021-06-05 22:21:54
8	Bas Dirks	548	Rust	2022-01-03 14:15:19
9	Isak Jägberg	632	Rust	2019-05-07 17:39:57
10	David Zacek	698	Rust	2021-05-23 03:55:54

Solution running time distribution