Problem B
Stafur — Problem Statistics

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Submissions	3976
Accepted submissions	1475
Submission ratio	37.10%
Authors	1468
Full solves [?]	1352
Full solve Ratio	92.10%

#	User	Score	Language	Date
1	Michael Murphy	100	Ada	2025-03-31 16:07:55

#	User	Score	Language	Date
1	Max NC	100	APL	2023-09-12 14:40:10
2	Matzuka	100	APL	2025-03-21 17:51:53

#	User	Score	Language	Date
1	Danny Robinson	100	Bash	2023-09-26 00:44:54
2	Thomas Feld	100	Bash	2023-10-02 14:29:21
3	Chenzhang Hu	100	Bash	2023-10-02 14:48:09
4	Frans Meulenbroeks	100	Bash	2024-09-13 18:36:45
5	Collin H	100	Bash	2025-03-13 03:32:09

#	User	Score	Language	Date
1	Blake Pearsall	100	COBOL	2025-02-06 03:13:26

#	User	Score	Language	Date
1	Stefan Holm	100	Dart	2024-06-25 08:24:22

#	User	Score	Language	Date
1	Gudjon Bjarki	100	F#	2024-02-07 22:04:59

#	User	Score	Language	Date
1	Helina Mulugeta	100	Fortran	2024-01-11 22:08:28

#	User	Score	Language	Date
1	Nicolai Hellesnes	100	Go	2023-09-08 16:27:27
2	Norbert Voelker	100	Go	2023-09-17 22:13:33
3	Anthony Buchholz	100	Go	2023-10-15 22:34:15
4	Ada Clevinger	100	Go	2024-08-19 14:49:19
5	Jimmy Nejtron	100	Go	2024-08-25 12:51:50
6	Lucas Venø Hansen	100	Go	2024-09-01 16:04:01
7	Romario HUAMANI PACCAYA	100	Go	2025-08-31 04:25:09

#	User	Score	Language	Date
1	Hidden user	100	JavaScript (Node.js)	2023-09-20 18:14:08
2	Faisal Rahman	100	JavaScript (Node.js)	2024-02-16 15:43:02
3	simonaebid	100	JavaScript (Node.js)	2025-09-16 09:55:23
4	Minh Trang Nguyen	100	JavaScript (Node.js)	2025-10-27 11:16:16
5	Md. Johir Uddin	100	JavaScript (Node.js)	2025-10-30 12:23:22

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2023-09-02 19:05:20
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-09-09 23:49:44
3	Drake Farrokhi	100	JavaScript (SpiderMonkey)	2023-10-25 22:12:45
4	Dan Roberts	100	JavaScript (SpiderMonkey)	2023-10-25 22:13:54
5	Yota Yamazaki	100	JavaScript (SpiderMonkey)	2023-10-25 23:17:56
6	Zach Tschetter	100	JavaScript (SpiderMonkey)	2023-10-26 20:11:22
7	Keegan Henning	100	JavaScript (SpiderMonkey)	2024-01-23 01:56:48
8	Evan Magill	100	JavaScript (SpiderMonkey)	2024-04-18 06:46:04
9	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-06-10 23:53:51

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2024-03-20 17:06:01

#	User	Score	Language	Date
1	Adam Rankin	100	Kotlin	2023-09-13 05:44:39
2	Troy Warmboe	100	Kotlin	2023-12-21 22:23:09
3	Zaw Myat	100	Kotlin	2024-01-12 05:31:04
4	Martijn Muijsers	100	Kotlin	2024-05-29 10:13:34
5	Emil Wihlander	100	Kotlin	2024-07-17 15:35:45

#	User	Score	Language	Date
1	Hidden user	100	Odin	2025-04-24 17:39:27

#	User	Score	Language	Date
1	Ingemar Ragnemalm	100	Pascal	2023-10-10 06:36:10
2	David Connolly	100	Pascal	2024-02-12 17:44:06

#	User	Score	Language	Date
1	Saito Ta	100	Perl	2024-04-18 10:20:01

#	User	Score	Language	Date
1	Renate	100	PHP	2023-09-03 23:40:32

#	User	Score	Language	Date
1	Andriy Zyevakov	100	Prolog	2026-01-19 17:50:59

#	User	Score	Language	Date
1	Johan Lyts	100	Python 2	2023-09-23 21:10:43
2	Yanmarshus Bachtiar	100	Python 2	2023-10-19 08:51:48
3	Dagur Benjamínsson	100	Python 2	2024-02-07 14:04:16
4	KALAJAYANTHI M	100	Python 2	2025-09-26 14:25:17

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2023-09-04 13:12:43
2	Alexander Bilde Pedersen	100	Ruby	2024-01-11 00:46:57
3	Miorel Palii	100	Ruby	2024-01-16 02:55:58
4	Eugen Neagoe	100	Ruby	2026-02-04 11:17:40
5	Þorsteinn Kristjánsson	100	Ruby	01:45:27

#	User	Score	Language	Date
1	Arfat Hossain	100	TypeScript	2025-10-29 23:11:40

#	User	Score	Language	Date
1	Grettir Heimisson	100	Zig	2025-11-06 22:40:39

#	User	Runtime	Language	Date
1	Michael Murphy	0.00 s	Ada	2025-03-31 16:07:55

#	User	Runtime	Language	Date
1	Max NC	0.01 s	APL	2023-09-12 14:40:10
2	Matzuka	0.01 s	APL	2025-03-21 17:51:53

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-26 00:44:54
2	Thomas Feld	0.01 s	Bash	2023-10-02 14:29:21
3	Chenzhang Hu	0.01 s	Bash	2023-10-02 14:48:09
4	Frans Meulenbroeks	0.01 s	Bash	2024-09-13 18:36:45
5	Collin H	0.01 s	Bash	2025-03-13 03:32:09

#	User	Runtime	Language	Date
1	Esty Crow	0.03 s	C#	2024-03-09 19:11:50
2	Krzysztof Magda	0.04 s	C#	2023-09-24 10:02:17
3	Brandon Mord	0.04 s	C#	2023-10-12 05:18:23
4	Benjamin Bilbeau	0.04 s	C#	2023-10-20 23:27:52
5	Gregory Sinclair	0.04 s	C#	2023-11-05 19:04:52
6	Bjarki Fannar Snorrason	0.04 s	C#	2023-11-13 09:54:33
7	Steve Williams	0.04 s	C#	2023-12-10 22:45:39
8	Dennis Stegnell	0.04 s	C#	2024-02-20 16:32:53
9	Jan Matthiessen	0.04 s	C#	2024-03-31 10:54:25
10	Jonas Lundberg	0.04 s	C#	2024-09-25 11:34:36

#	User	Runtime	Language	Date
1	Blake Pearsall	0.00 s	COBOL	2025-02-06 03:13:26

#	User	Runtime	Language	Date
1	Stefan Holm	0.01 s	Dart	2024-06-25 08:24:22

#	User	Runtime	Language	Date
1	Gudjon Bjarki	0.06 s	F#	2024-02-07 22:04:59

#	User	Runtime	Language	Date
1	Helina Mulugeta	0.00 s	Fortran	2024-01-11 22:08:28

#	User	Runtime	Language	Date
1	Nicolai Hellesnes	0.00 s	Go	2023-09-08 16:27:27
2	Norbert Voelker	0.00 s	Go	2023-09-17 22:13:33
3	Anthony Buchholz	0.00 s	Go	2023-10-15 22:34:15
4	Ada Clevinger	0.00 s	Go	2024-08-19 14:49:19
5	Jimmy Nejtron	0.00 s	Go	2024-08-25 12:51:50
6	Lucas Venø Hansen	0.00 s	Go	2024-09-01 16:04:01
7	Romario HUAMANI PACCAYA	0.00 s	Go	2025-08-31 04:25:09

#	User	Runtime	Language	Date
1	Stela Palii	0.04 s	Java	2024-11-29 19:47:24
2	Guangyi Zhou	0.04 s	Java	2025-05-28 14:17:27
3	Markus Bao	0.04 s	Java	2025-08-13 05:13:31
4	pothyne	0.04 s	Java	2025-12-31 08:07:52
5	Lee Heng Sheng	0.05 s	Java	2024-04-17 11:00:08
6	Ku Brian	0.05 s	Java	2024-05-01 16:55:52
7	Ben Cobb	0.06 s	Java	2023-09-07 01:05:01
8	Jacob Harris Cryer Kragh	0.06 s	Java	2023-09-14 17:41:34
9	Axel Nilsson	0.06 s	Java	2023-10-04 09:44:58
10	Alexander Giroux	0.06 s	Java	2023-10-06 12:37:58

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-09-06 19:28:42
2	simonaebid	0.04 s	JavaScript (Node.js)	2025-09-16 09:55:23
3	Minh Trang Nguyen	0.04 s	JavaScript (Node.js)	2025-10-27 11:16:16
4	Md. Johir Uddin	0.04 s	JavaScript (Node.js)	2025-10-30 12:23:22
5	Faisal Rahman	0.05 s	JavaScript (Node.js)	2024-02-16 15:43:02

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-09-02 19:05:20
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-09-09 23:49:44
3	Drake Farrokhi	0.02 s	JavaScript (SpiderMonkey)	2023-10-25 22:12:45
4	Dan Roberts	0.02 s	JavaScript (SpiderMonkey)	2023-10-25 22:13:54
5	Yota Yamazaki	0.02 s	JavaScript (SpiderMonkey)	2023-10-25 23:17:56
6	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-10-26 20:11:22
7	Keegan Henning	0.02 s	JavaScript (SpiderMonkey)	2024-01-23 01:56:48
8	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-18 06:46:04
9	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-10 23:53:51

#	User	Runtime	Language	Date
1	Timothy Gaede	0.38 s	Julia	2024-03-20 17:06:01

#	User	Runtime	Language	Date
1	Adam Rankin	0.18 s	Kotlin	2023-09-13 05:44:39
2	Zaw Myat	0.18 s	Kotlin	2024-01-12 05:31:04
3	Martijn Muijsers	0.18 s	Kotlin	2024-05-29 10:13:34
4	Troy Warmboe	0.19 s	Kotlin	2023-12-21 22:23:09
5	Emil Wihlander	0.20 s	Kotlin	2024-07-17 15:35:45

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-24 17:39:27

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2023-10-10 06:36:10
2	David Connolly	0.00 s	Pascal	2024-02-12 17:44:06

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-18 10:20:01

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2023-09-03 23:40:32

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2026-01-19 17:50:59

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2023-09-23 21:10:43
2	Yanmarshus Bachtiar	0.03 s	Python 2	2023-10-19 08:51:48
3	Dagur Benjamínsson	0.03 s	Python 2	2024-02-07 14:04:16
4	KALAJAYANTHI M	0.07 s	Python 2	2025-09-26 14:25:17

#	User	Runtime	Language	Date
1	Bjørn Dons	0.04 s	Python 3	2023-09-04 20:37:21
2	Iman Khodadi	0.04 s	Python 3	2023-09-07 09:47:20
3	Nicholas Russell Saerang	0.04 s	Python 3	2023-09-08 07:30:28
4	Vu Minh Hieu	0.04 s	Python 3	2023-09-10 19:20:06
5	Martin Guarnieri	0.04 s	Python 3	2023-10-25 15:23:21
6	guo yulong	0.04 s	Python 3	2023-10-29 04:50:52
7	Isaiah Mellace	0.04 s	Python 3	2023-11-15 21:37:24
8	Dean Gregory	0.04 s	Python 3	2023-11-19 21:59:38
9	Nikita Vishnyak	0.04 s	Python 3	2023-11-30 20:53:36
10	Farzam Abrishami	0.04 s	Python 3	2023-12-03 01:46:42

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-09-04 13:12:43
2	Miorel Palii	0.06 s	Ruby	2024-01-16 02:55:58
3	Eugen Neagoe	0.06 s	Ruby	2026-02-04 11:17:40
4	Þorsteinn Kristjánsson	0.06 s	Ruby	01:45:27
5	Alexander Bilde Pedersen	0.07 s	Ruby	2024-01-11 00:46:57

#	User	Runtime	Language	Date
1	Arfat Hossain	0.04 s	TypeScript	2025-10-29 23:11:40

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-11-06 22:40:39

#	User	Length	Language	Date
1	Michael Murphy	550	Ada	2025-03-31 16:07:55

#	User	Length	Language	Date
1	Max NC	57	APL	2023-09-12 14:40:10
2	Matzuka	103	APL	2025-03-21 17:51:53

#	User	Length	Language	Date
1	Chenzhang Hu	45	Bash	2025-09-12 20:14:38
2	Danny Robinson	47	Bash	2023-09-26 00:44:54
3	Frans Meulenbroeks	80	Bash	2024-09-13 18:42:55
4	Thomas Feld	88	Bash	2023-10-02 14:29:21
5	Collin H	217	Bash	2025-03-13 03:32:09

#	User	Length	Language	Date
1	Martin Blom	140	C	2023-10-15 22:41:06
2	Oliver Noreklev	158	C	2025-10-01 10:49:36
3	MADHUMITHA K	219	C	2025-04-10 14:12:22
4	Hidden user	221	C	2025-04-09 17:58:24
5	Sami Al Chalati	229	C	2023-11-24 20:56:59
6	紅茶	255	C	2023-09-28 21:39:16
7	ROOPIKA S	261	C	2025-04-26 14:10:56
8	Kavitha shree S	262	C	2025-04-13 08:21:03
9	SANTHOSH G	263	C	2025-04-27 20:52:24
10	Hidden user	264	C	2025-04-20 11:42:25

#	User	Length	Language	Date
1	Gregory Sinclair	110	C#	2023-11-05 19:06:01
2	Deci Bel	254	C#	2025-01-12 16:12:11
3	Esty Crow	317	C#	2024-03-09 19:11:50
4	Akib Ibn Zahid	320	C#	2025-10-27 14:05:52
5	Bjarki Fannar Snorrason	372	C#	2023-11-13 09:54:33
6	Nicholas Hood	432	C#	2024-09-26 00:34:54
7	Peter Ahlgren	479	C#	2025-03-25 10:35:50
8	Jan Matthiessen	500	C#	2024-03-31 10:54:25
9	Գոռ Բաղդասարյան	523	C#	2024-09-23 07:36:35
10	Krzysztof Magda	531	C#	2023-09-24 10:02:17

#	User	Length	Language	Date
1	Grae Yeandle	191	C++	2023-09-13 14:48:06
2	Brilliant Misalayuk	192	C++	2026-01-02 22:48:43
3	Yutong Wang	193	C++	2024-01-17 22:32:28
4	Firaol Bulo	219	C++	2023-10-19 10:32:39
5	Sebastian Sternberg	219	C++	2025-02-05 14:02:02
6	Mathias Gernez	221	C++	2025-05-13 22:26:58
7	Đậu Huy Minh	224	C++	2023-10-03 04:34:51
8	Dustin R	228	C++	2025-06-18 22:23:29
9	ALEKSANDER WILLIAM	230	C++	2023-12-26 07:57:47
10	ALVIN ANDRIANTO CIPUTRA	230	C++	2024-04-10 03:59:13

#	User	Length	Language	Date
1	Blake Pearsall	665	COBOL	2025-02-06 03:13:26

#	User	Length	Language	Date
1	Stefan Holm	437	Dart	2024-06-25 08:24:22

#	User	Length	Language	Date
1	Gudjon Bjarki	204	F#	2024-02-07 22:04:59

#	User	Length	Language	Date
1	Helina Mulugeta	625	Fortran	2024-01-11 22:08:28

#	User	Length	Language	Date
1	Lucas Venø Hansen	238	Go	2024-09-01 16:04:01
2	Jimmy Nejtron	250	Go	2024-08-25 12:51:50
3	Anthony Buchholz	264	Go	2023-10-15 22:34:15
4	Nicolai Hellesnes	288	Go	2023-09-08 16:27:27
5	Ada Clevinger	296	Go	2024-08-19 14:49:19
6	Norbert Voelker	305	Go	2023-09-17 22:13:33
7	Romario HUAMANI PACCAYA	609	Go	2025-08-31 04:25:09

#	User	Length	Language	Date
1	Jan Hrček	74	Haskell	2024-12-08 18:24:59
2	Hidden user	128	Haskell	2023-09-03 11:09:53
3	Sebastian Banert	134	Haskell	2023-09-07 11:20:15
4	Steinar Simonnes	165	Haskell	2023-10-08 15:24:44
5	Christopher Whelan	166	Haskell	2025-01-19 21:02:20
6	Elizabeth Doughty	172	Haskell	2024-02-05 12:03:18
7	Shinji Koshida	175	Haskell	2025-02-18 12:51:21
8	Hidden user	212	Haskell	2024-01-31 21:08:28
9	Atli Fannar Franklín	228	Haskell	2023-09-02 18:12:02
10	Charley Sheaffer	228	Haskell	2023-10-27 21:40:15

#	User	Length	Language	Date
1	Thomas King	294	Java	2024-06-24 18:34:52
2	Jason Liu	296	Java	2023-09-13 15:16:19
3	Amanda Rose Riley	341	Java	2025-01-10 05:16:19
4	Raymond Arrington	345	Java	2024-06-09 02:09:42
5	Einar Þór Ívarsson	346	Java	2024-02-08 15:24:36
6	Markus Bao	350	Java	2025-08-13 05:13:31
7	MOHAN KUMAR S	354	Java	2025-04-11 06:25:18
8	Marshall Vaught	366	Java	2025-06-05 18:22:39
9	Apple T	382	Java	2025-03-14 12:56:02
10	Terry Morris	390	Java	2024-06-20 16:46:43

#	User	Length	Language	Date
1	simonaebid	300	JavaScript (Node.js)	2025-09-16 09:55:23
2	Hidden user	434	JavaScript (Node.js)	2023-09-20 18:14:08
3	Minh Trang Nguyen	448	JavaScript (Node.js)	2025-10-27 11:16:16
4	Md. Johir Uddin	505	JavaScript (Node.js)	2025-10-30 12:23:22
5	Faisal Rahman	519	JavaScript (Node.js)	2024-02-16 15:43:02

#	User	Length	Language	Date
1	Jimmy Gustafsson	71	JavaScript (SpiderMonkey)	2024-06-10 23:53:51
2	Bjørn Chr. Soltvedt	83	JavaScript (SpiderMonkey)	2023-09-02 19:07:28
3	Zach Tschetter	170	JavaScript (SpiderMonkey)	2023-10-26 20:11:22
4	Christian Pilegaard Cederquist	178	JavaScript (SpiderMonkey)	2023-09-09 23:49:44
5	Evan Magill	240	JavaScript (SpiderMonkey)	2024-04-18 06:46:04
6	Keegan Henning	257	JavaScript (SpiderMonkey)	2024-01-23 01:56:48
7	Drake Farrokhi	307	JavaScript (SpiderMonkey)	2023-10-25 22:12:45
8	Yota Yamazaki	380	JavaScript (SpiderMonkey)	2023-10-25 23:17:56
9	Dan Roberts	439	JavaScript (SpiderMonkey)	2023-10-25 22:13:54

#	User	Length	Language	Date
1	Timothy Gaede	169	Julia	2024-03-20 17:06:01

#	User	Length	Language	Date
1	Troy Warmboe	186	Kotlin	2023-12-21 22:23:09
2	Adam Rankin	212	Kotlin	2023-09-13 05:44:39
3	Emil Wihlander	253	Kotlin	2024-07-17 15:35:45
4	Zaw Myat	299	Kotlin	2024-01-12 05:31:04
5	Martijn Muijsers	568	Kotlin	2024-05-29 10:13:34

#	User	Length	Language	Date
1	Hidden user	329	Odin	2025-04-24 17:39:27

#	User	Length	Language	Date
1	Ingemar Ragnemalm	183	Pascal	2023-10-10 06:36:10
2	David Connolly	294	Pascal	2024-02-12 17:44:06

#	User	Length	Language	Date
1	Saito Ta	43	Perl	2024-04-18 10:20:01

#	User	Length	Language	Date
1	Renate	170	PHP	2023-09-03 23:40:32

#	User	Length	Language	Date
1	Andriy Zyevakov	193	Prolog	2026-01-19 17:50:59

#	User	Length	Language	Date
1	Johan Lyts	104	Python 2	2023-09-23 21:10:43
2	Dagur Benjamínsson	107	Python 2	2024-02-07 14:04:16
3	Yanmarshus Bachtiar	118	Python 2	2023-10-19 08:51:48
4	KALAJAYANTHI M	173	Python 2	2025-09-26 14:25:17

#	User	Length	Language	Date
1	Kevin Gomez	64	Python 3	2024-06-10 20:18:44
2	Christopher Jernberg	66	Python 3	2023-09-17 17:17:48
3	Eduardo Vicente Petry	66	Python 3	2023-12-12 18:05:16
4	Alexandre Charland	66	Python 3	2024-03-09 23:04:42
5	Hidden user	66	Python 3	2025-01-20 20:46:06
6	Nicholas Russell Saerang	67	Python 3	2023-09-08 07:30:28
7	Henrik Olsen Eide	67	Python 3	2023-10-05 12:32:19
8	Chee Evelyn	67	Python 3	2023-10-06 13:51:55
9	Alexandre Douard	67	Python 3	2023-12-16 17:50:48
10	Magnus Hokland Hegdahl	68	Python 3	2023-11-14 19:11:48

#	User	Length	Language	Date
1	Thomas Feld	51	Ruby	2023-09-04 13:12:43
2	Þorsteinn Kristjánsson	66	Ruby	01:45:27
3	Miorel Palii	95	Ruby	2024-01-16 02:55:58
4	Eugen Neagoe	95	Ruby	2026-02-04 11:17:40
5	Alexander Bilde Pedersen	117	Ruby	2024-01-11 00:46:57

#	User	Length	Language	Date
1	Vincent Lagerros	245	Rust	2025-01-02 01:39:57
2	Þórhallur Tryggvason	293	Rust	2024-02-03 14:43:23
3	Emil Dichmann	325	Rust	2025-08-23 23:55:09
4	Pankajkumar Patro	362	Rust	2024-07-02 23:26:51
5	Theodór Leví Halldórsson	370	Rust	2025-10-15 23:29:02
6	David Rasch	372	Rust	2023-09-19 11:57:12
7	Hovig Manjikian	379	Rust	2023-10-18 16:47:30
8	Isak Jägberg	404	Rust	2024-01-02 15:48:03
9	Bas Dirks	436	Rust	2023-12-24 20:57:51
10	Connor Ford	444	Rust	2024-06-28 20:38:36

#	User	Length	Language	Date
1	Arfat Hossain	705	TypeScript	2025-10-29 23:11:40

#	User	Length	Language	Date
1	Grettir Heimisson	2224	Zig	2025-11-06 22:40:39

Solution running time distribution