Problem A
Östgötska — Problem Statistics

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Submissions	4330
Accepted submissions	1847
Submission ratio	42.66%
Authors	1790
Full solves [?]	1653
Full solve Ratio	92.35%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-09 20:18:32
2	Thomas Feld	0.01 s	Bash	2023-09-11 08:27:38

#	User	Runtime	Language	Date
1	Omar Thamer	0.01 s	C#	2018-05-10 15:04:28
2	Klas af Geijerstam	0.02 s	C#	2018-03-28 18:07:42
3	Johan Pettersson	0.02 s	C#	2018-04-19 19:17:30
4	Duelene Olson	0.02 s	C#	2018-07-11 07:41:35
5	Joel Keleta	0.02 s	C#	2018-08-10 13:12:16
6	Fredrik Salomonsson	0.02 s	C#	2019-03-26 21:17:37
7	Thomas Norris	0.02 s	C#	2019-10-01 14:28:37
8	Henrik Hallbert	0.02 s	C#	2019-10-24 19:38:52
9	Max Tegnebo	0.02 s	C#	2019-12-15 22:45:09
10	Jan Matthiessen	0.02 s	C#	2020-11-15 13:06:36

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Common Lisp	2019-05-26 04:48:40

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.07 s	F#	2022-08-02 16:53:07

#	User	Runtime	Language	Date
1	Vadim Popolitov	0.00 s	Go	2025-05-03 17:02:19
2	Theo Coyne Morgan	0.01 s	Go	2019-03-28 02:06:29
3	Yuwono Bangun Nagoro	0.07 s	Go	2018-10-02 14:27:11
4	Hidden user	0.07 s	Go	2018-11-01 04:52:37
5	Sander Hellesø	0.07 s	Go	2019-04-10 11:10:59
6	Norbert Voelker	0.07 s	Go	2021-04-15 13:18:44
7	Neal McCarthy	0.09 s	Go	2018-04-16 22:53:59

#	User	Runtime	Language	Date
1	Markus Larsson	0.05 s	Java	2018-03-03 12:06:35
2	Tobias Glimmerfors	0.05 s	Java	2018-03-03 12:07:05
3	Herman Appelgren	0.05 s	Java	2018-03-03 12:11:03
4	Stela Palii	0.05 s	Java	2018-03-05 03:16:23
5	Anton Hellbe	0.05 s	Java	2018-03-06 19:47:36
6	Steven Cheng	0.05 s	Java	2018-03-08 01:33:16
7	John Ladera	0.05 s	Java	2018-03-11 07:32:15
8	Max Holmberg	0.05 s	Java	2018-03-28 20:38:29
9	Lizhong Wang	0.05 s	Java	2018-03-30 18:47:48
10	Pontus Eriksson	0.05 s	Java	2018-04-16 15:07:55

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

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-03-26 09:18:58
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-15 13:40:33
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-08-16 09:17:47
4	Alexander Vestin	0.02 s	JavaScript (SpiderMonkey)	2022-10-15 01:36:16
5	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-09 22:30:26
6	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-20 21:55:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.30 s	Julia	2024-04-04 06:28:24

#	User	Runtime	Language	Date
1	Neil Harmon	0.16 s	Kotlin	2019-04-26 10:21:31
2	Adrian Wireklint	0.16 s	Kotlin	2022-02-13 10:35:38
3	Hidden user	0.17 s	Kotlin	2018-10-13 12:10:02
4	Adam Rankin	0.18 s	Kotlin	2023-05-04 23:45:42
5	Emil Wihlander	0.18 s	Kotlin	2023-07-27 13:57:16
6	Dayan Ruben Gonzalez	0.19 s	Kotlin	2020-10-08 00:53:29
7	Ahmed Waseem Saeed	0.19 s	Kotlin	2021-12-22 20:52:41
8	Merih Bora Poçan	0.20 s	Kotlin	2020-08-12 16:35:43
9	Einar Kjellback	0.22 s	Kotlin	2019-12-10 10:57:41
10	Hidden user	0.22 s	Kotlin	2019-12-27 17:21:02

#	User	Runtime	Language	Date
1	Sebastian Sternberg	0.00 s	OCaml	2022-05-07 08:57:31
2	Hidden user	0.00 s	OCaml	2024-06-06 09:10:20

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-03-06 18:04:31
2	David Connolly	0.00 s	Pascal	2022-04-12 13:50:54

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2018-04-01 22:31:55
2	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-10-28 20:02:36
3	Peter Kvick	0.01 s	PHP	2020-01-26 14:31:48
4	cojonas1	0.01 s	PHP	2021-01-14 12:45:16
5	Renate	0.01 s	PHP	2021-07-03 22:07:12
6	Erik Boström	0.01 s	PHP	2021-12-27 20:27:27
7	Andre Wahyudi	0.01 s	PHP	2023-03-15 09:01:48

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2022-12-15 07:30:47
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-07 20:14:52

#	User	Runtime	Language	Date
1	Måns Magnusson	0.02 s	Python 2	2018-03-03 12:02:43
2	Hidden user	0.02 s	Python 2	2018-03-03 12:04:20
3	Hidden user	0.02 s	Python 2	2018-03-03 12:04:56
4	Jacob Elliott	0.02 s	Python 2	2018-03-06 22:33:22
5	Peter Sofronas	0.02 s	Python 2	2018-03-07 17:47:45
6	Vifill Sverrisson	0.02 s	Python 2	2018-03-13 23:49:13
7	Sigurður Jens Albertsson	0.02 s	Python 2	2018-03-27 23:20:06
8	João Pedro Alvito	0.02 s	Python 2	2018-03-31 00:02:22
9	Hidden user	0.02 s	Python 2	2018-04-09 16:26:41
10	Andrei Stoica	0.02 s	Python 2	2018-04-28 20:48:12

#	User	Runtime	Language	Date
1	Arvid Lunnemark	0.02 s	Python 3	2018-03-03 12:02:55
2	Sebastian Hjelm	0.02 s	Python 3	2018-03-03 12:03:27
3	Fredrik Hernqvist	0.02 s	Python 3	2018-03-03 12:04:30
4	Niklas Samuelsson	0.02 s	Python 3	2018-03-03 12:04:56
5	Björn Magnusson	0.02 s	Python 3	2018-03-03 12:05:46
6	Jonatan Nilsson	0.02 s	Python 3	2018-03-03 12:06:29
7	Sam Zackrisson	0.02 s	Python 3	2018-03-03 12:06:37
8	Robert Welin-Berger	0.02 s	Python 3	2018-03-03 12:07:28
9	Mattias Akke	0.02 s	Python 3	2018-03-03 12:07:45
10	Justus Karlsson	0.02 s	Python 3	2018-03-03 12:08:10

#	User	Runtime	Language	Date
1	Miorel Palii	0.03 s	Ruby	2018-03-03 19:07:19
2	Leonardo Brito	0.04 s	Ruby	2018-04-20 21:17:46
3	Hidden user	0.04 s	Ruby	2018-10-26 23:09:53
4	Lim Ming Yean	0.04 s	Ruby	2018-11-26 08:49:47
5	Savvas Alexandrou	0.04 s	Ruby	2018-12-15 18:10:13
6	Hidden user	0.04 s	Ruby	2019-02-26 10:25:29
7	Dylan Mcdougall	0.04 s	Ruby	2019-12-12 21:14:07
8	Klara Jonsson	0.04 s	Ruby	2020-03-24 12:07:15
9	Zach Baruch	0.05 s	Ruby	2021-09-09 01:14:11
10	Thomas Feld	0.06 s	Ruby	2022-11-25 14:46:30

#	User	Length	Language	Date
1	Thomas Feld	95	Bash	2023-09-11 08:35:31
2	Danny Robinson	98	Bash	2023-09-09 20:22:30

#	User	Length	Language	Date
1	Matthew Weston	398	C	2022-01-27 02:29:15
2	Allan Nouri	400	C	2024-04-06 20:45:52
3	Magnus Wass	454	C	2020-02-19 15:31:16
4	Vincent Khrishardy	492	C	2020-11-03 07:39:57
5	Alem	507	C	2023-03-03 08:56:13
6	Matthew Hartono	515	C	2022-12-06 13:03:22
7	Mikael K Eriksson	516	C	2021-02-27 21:08:50
8	Jerome Tujague	517	C	2018-07-17 13:09:28
9	William Ball	517	C	2020-03-09 03:06:46
10	Hidden user	526	C	2018-03-08 03:54:57

#	User	Length	Language	Date
1	Gregory Sinclair	179	C#	2023-11-21 21:28:43
2	Göran Andersson	342	C#	2022-05-13 18:52:40
3	Klas af Geijerstam	377	C#	2018-03-28 18:07:42
4	Michael Damsgaard	429	C#	2025-01-05 04:44:43
5	Elias Gyll	643	C#	2022-02-13 08:36:21
6	Tran Hoang Phuc	674	C#	2021-03-30 08:53:12
7	Duelene Olson	682	C#	2018-07-11 07:41:35
8	Jesper Lundin	718	C#	2021-09-26 13:33:41
9	Alex Van Keulen	731	C#	2019-09-06 18:57:49
10	Umar Rasyid	734	C#	2025-05-31 21:35:28

#	User	Length	Language	Date
1	Yeung Man Tsung	265	C++	2023-03-20 16:59:32
2	Frederick Pek	275	C++	2021-06-04 12:41:41
3	Alex Rudzenis	286	C++	2023-04-17 16:36:06
4	Bennett Lim	301	C++	2020-01-29 04:59:41
5	Joas Haunstrup	307	C++	2022-10-13 20:38:46
6	Mohammad Sadeghi	308	C++	2019-07-14 10:31:24
7	Eimhin McDonald	310	C++	2018-03-05 02:41:13
8	Grae Yeandle	310	C++	2018-03-18 12:07:56
9	Markus Mathiasen	323	C++	2022-10-11 06:15:29
10	Radian Krisno	325	C++	2022-12-06 08:27:56

#	User	Length	Language	Date
1	Hidden user	443	Common Lisp	2019-05-26 04:48:40

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	415	F#	2022-08-02 16:53:07

#	User	Length	Language	Date
1	Hidden user	384	Go	2018-11-01 04:52:37
2	Theo Coyne Morgan	391	Go	2019-03-28 02:06:29
3	Vadim Popolitov	446	Go	2025-05-03 17:02:19
4	Neal McCarthy	453	Go	2018-04-16 22:53:59
5	Yuwono Bangun Nagoro	473	Go	2018-10-02 14:27:11
6	Norbert Voelker	804	Go	2021-04-15 13:18:44
7	Sander Hellesø	1088	Go	2019-04-10 11:10:59

#	User	Length	Language	Date
1	Hidden user	229	Haskell	2018-11-01 04:44:12
2	Hidden user	317	Haskell	2019-08-23 16:13:26
3	Jahid Hasan Imon	328	Haskell	2020-11-22 19:26:56
4	Steinar Simonnes	333	Haskell	2023-09-30 22:53:57
5	Håkon Flatval	335	Haskell	2018-08-31 21:36:10
6	Aurélien Pepin	348	Haskell	2019-08-16 17:33:28
7	Sebastian Banert	350	Haskell	2025-02-05 17:21:43
8	Robbie Langer	367	Haskell	2021-09-08 22:26:00
9	Patrik Lilja	465	Haskell	2018-03-25 09:49:49
10	Ola Berglund	467	Haskell	2024-10-15 21:00:49

#	User	Length	Language	Date
1	Kevin Kauffman	394	Java	2022-01-02 22:47:06
2	Caeden Whitaker	398	Java	2020-07-08 03:28:53
3	Ali Pervaiz	403	Java	2019-03-25 15:16:47
4	ouafae messaoudi	415	Java	2020-01-01 11:17:24
5	Carter Henderson	415	Java	2022-03-01 16:58:39
6	Nicholas Bui	429	Java	2020-05-07 03:51:44
7	Einar Þór Ívarsson	432	Java	2021-07-09 16:38:31
8	Justin Turner	434	Java	2018-03-06 18:59:32
9	Bowen Yang	441	Java	2021-09-30 02:24:26
10	Hayley Russell	449	Java	2018-04-28 13:16:31

#	User	Length	Language	Date
1	BRYAN DAVID ALVAREZ GALVIS	380	JavaScript (Node.js)	2023-10-07 15:13:55
2	Dharmarakshit Harley	385	JavaScript (Node.js)	2021-03-22 22:50:29
3	Umakanth Sai Balguri	386	JavaScript (Node.js)	2021-03-23 00:34:06
4	Nynali Gopu	390	JavaScript (Node.js)	2021-03-22 20:36:42
5	Meghla Sarkar	390	JavaScript (Node.js)	2021-03-22 23:04:47
6	Shreya Uday	390	JavaScript (Node.js)	2021-03-23 00:13:36
7	Samrat Korupolu	390	JavaScript (Node.js)	2021-03-23 01:55:08
8	Saranya Rajagopalan	418	JavaScript (Node.js)	2021-03-22 22:13:34
9	Sri Venkata Venu Gopal Guddati	418	JavaScript (Node.js)	2021-03-23 01:11:50
10	Peter Kedemo	420	JavaScript (Node.js)	2019-12-22 15:28:57

#	User	Length	Language	Date
1	Zach Tschetter	175	JavaScript (SpiderMonkey)	2023-04-20 21:55:13
2	Christian Pilegaard Cederquist	183	JavaScript (SpiderMonkey)	2023-01-09 22:30:26
3	Bjørn Chr. Soltvedt	203	JavaScript (SpiderMonkey)	2018-03-26 09:18:58
4	Jimmy Gustafsson	207	JavaScript (SpiderMonkey)	2022-08-16 09:17:47
5	Alexander Vestin	258	JavaScript (SpiderMonkey)	2022-10-15 01:36:16
6	Peter Menyes	263	JavaScript (SpiderMonkey)	2021-08-15 13:40:33

#	User	Length	Language	Date
1	Timothy Gaede	300	Julia	2024-04-04 06:28:24

#	User	Length	Language	Date
1	Adam Rankin	292	Kotlin	2023-05-04 23:45:42
2	Einar Kjellback	295	Kotlin	2019-12-10 10:57:41
3	Emil Wihlander	295	Kotlin	2023-07-27 13:57:16
4	Troy Warmboe	324	Kotlin	2020-02-11 01:26:53
5	Hidden user	337	Kotlin	2019-12-27 17:21:02
6	Dayan Ruben Gonzalez	357	Kotlin	2020-10-08 00:53:29
7	Ahmed Waseem Saeed	361	Kotlin	2021-12-22 20:52:41
8	Hidden user	390	Kotlin	2018-10-13 12:10:02
9	Merih Bora Poçan	455	Kotlin	2020-08-12 16:35:43
10	Adrian Wireklint	487	Kotlin	2022-02-13 10:35:38

#	User	Length	Language	Date
1	Hidden user	477	OCaml	2024-06-06 09:10:20
2	Sebastian Sternberg	513	OCaml	2022-05-07 09:00:17

#	User	Length	Language	Date
1	Ingemar Ragnemalm	560	Pascal	2018-03-06 18:04:31
2	David Connolly	835	Pascal	2022-04-12 13:50:54

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	318	PHP	2019-10-28 20:02:36
2	Renate	318	PHP	2021-07-03 22:07:12
3	Susanne Ragnemalm	378	PHP	2018-04-01 22:31:55
4	Peter Kvick	478	PHP	2020-01-26 14:31:48
5	Andre Wahyudi	522	PHP	2023-03-15 09:01:48
6	cojonas1	536	PHP	2021-01-14 12:45:16
7	Erik Boström	679	PHP	2021-12-27 20:27:27

#	User	Length	Language	Date
1	Hakan Kjellerstrand	316	Prolog	2023-02-07 20:14:52
2	Andriy Zyevakov	461	Prolog	2022-12-15 07:30:47

#	User	Length	Language	Date
1	Thomas Feld	129	Python 2	2019-09-02 07:51:50
2	Nick Wu	156	Python 2	2018-08-04 01:11:20
3	Guan Yang Ze	175	Python 2	2020-03-13 13:18:15
4	Johan Lyts	180	Python 2	2019-05-07 12:55:32
5	Lim Hong Hui Eugene	198	Python 2	2019-04-25 01:28:15
6	Måns Magnusson	200	Python 2	2018-03-03 12:02:43
7	Hidden user	201	Python 2	2018-03-03 12:04:20
8	Hidden user	211	Python 2	2018-03-03 12:04:56
9	Wang Zhi Jian	219	Python 2	2018-12-05 06:54:05
10	Vifill Sverrisson	222	Python 2	2018-03-13 23:49:13

#	User	Length	Language	Date
1	Harry Zhang	108	Python 3	2022-12-22 15:29:33
2	Tai Tze Kin	113	Python 3	2024-03-28 07:26:18
3	Morten Clausen	114	Python 3	2022-10-25 19:16:11
4	Sander Oppen	114	Python 3	2024-05-21 09:01:53
5	Alexandre Charland	114	Python 3	2024-10-14 17:21:19
6	Tobias Glimmerfors	115	Python 3	2022-07-01 16:19:53
7	Hugo Ekinge	115	Python 3	2022-07-01 16:23:10
8	Millie Lægreid Solem	119	Python 3	2024-02-11 21:12:31
9	Victor Song	119	Python 3	2024-04-04 17:25:16
10	Lukas Kerren	121	Python 3	2024-04-10 12:09:05

#	User	Length	Language	Date
1	Thomas Feld	99	Ruby	2022-11-25 14:46:30
2	Miorel Palii	153	Ruby	2018-03-03 19:07:19
3	Hidden user	164	Ruby	2018-10-26 23:09:53
4	Hidden user	188	Ruby	2019-02-26 10:25:29
5	Leonardo Brito	209	Ruby	2018-04-20 21:19:58
6	Lim Ming Yean	223	Ruby	2018-11-26 08:49:47
7	Zach Baruch	228	Ruby	2021-09-09 01:14:11
8	Klara Jonsson	243	Ruby	2020-03-24 12:07:15
9	Savvas Alexandrou	251	Ruby	2018-12-15 18:10:13
10	Dylan Mcdougall	263	Ruby	2019-12-12 21:14:07

#	User	Length	Language	Date
1	David Aldenbro	265	Rust	2023-10-26 12:23:39
2	Vincent Lagerros	406	Rust	2025-06-11 11:21:00
3	Hidden user	433	Rust	2018-11-05 12:38:12
4	Artur Khuziakhmetov	499	Rust	2022-07-15 11:50:44
5	Kok Dith	524	Rust	2021-08-11 10:16:21
6	Dan Yang	525	Rust	2019-04-10 23:00:13
7	Samuel Kyletoft	526	Rust	2021-06-05 20:21:54
8	Bas Dirks	548	Rust	2022-01-03 13:15:19
9	Isak Jägberg	632	Rust	2019-05-07 15:39:57
10	David Zacek	698	Rust	2021-05-23 01:55:54

Solution running time distribution