Problem A
Loo Rolls — Problem Statistics

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Submissions	1933
Accepted submissions	926
Submission ratio	47.90%
Authors	927
Accepted authors	842
Author ratio	90.83%

#	User	Runtime	Language	Date
1	Gustav von Knorring	0.02 s	C#	2019-04-27 14:20:27
2	Thomas Norris	0.02 s	C#	2019-11-07 15:05:47
3	Gurpartap Singh Bhatti	0.02 s	C#	2020-04-11 05:34:00
4	Joshua Jacoby	0.02 s	C#	2020-05-03 19:54:36
5	Vicky Irmawan	0.02 s	C#	2020-07-22 11:21:03
6	Toby Maynard	0.02 s	C#	2021-06-11 19:36:06
7	Ali Aliev	0.02 s	C#	2022-02-07 12:29:30
8	Eric Weiss	0.02 s	C#	2022-07-08 17:49:14

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-07-18 17:41:39

#	User	Runtime	Language	Date
1	Sebastian Sternberg	0.04 s	F#	2021-08-26 18:47:34

#	User	Runtime	Language	Date
1	Diamond	0.02 s	Go	2023-02-24 08:13:34
2	Johannes Larsson	0.07 s	Go	2019-05-12 13:51:03
3	Norbert Voelker	0.08 s	Go	2021-04-17 01:06:20

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-02-07 12:16:11
2	Tomas Möre	0.01 s	Haskell	2019-04-27 12:00:41
3	Olof Gren	0.01 s	Haskell	2019-04-27 12:59:48
4	Linus Eklund	0.01 s	Haskell	2019-04-27 14:52:13
5	Brent Yorgey	0.01 s	Haskell	2019-04-28 16:54:10
6	Hidden user	0.01 s	Haskell	2019-08-28 18:45:33
7	Intrets	0.01 s	Haskell	2019-09-02 14:15:24
8	Aurélien Pepin	0.01 s	Haskell	2019-09-05 21:38:50
9	Shaun Greer	0.01 s	Haskell	2020-08-25 13:48:38
10	Jan Hrček	0.01 s	Haskell	2020-10-31 19:54:35

#	User	Runtime	Language	Date
1	Rene Argento	0.04 s	Java	2025-01-16 04:11:53
2	Igor Trúchlik	0.06 s	Java	2020-06-16 09:36:55
3	Samuel Klingström	0.06 s	Java	2020-06-18 14:14:35
4	Kyle Kelly	0.06 s	Java	2020-06-25 12:39:49
5	Kevin Dai	0.06 s	Java	2020-08-05 18:12:55
6	Agnes Hardy Bertelsen	0.06 s	Java	2020-08-30 15:34:51
7	Calum Bird	0.06 s	Java	2020-10-06 01:09:12
8	Jack Le	0.06 s	Java	2020-12-23 01:13:47
9	Muhammad Iqbal Bin Imran	0.06 s	Java	2021-01-28 09:20:11
10	Tan Jia Le Damien	0.06 s	Java	2021-06-21 18:31:44

#	User	Runtime	Language	Date
1	Lucian Weber	0.05 s	JavaScript (Node.js)	2019-04-27 14:11:44
2	John	0.09 s	JavaScript (Node.js)	2022-07-16 03:32:04
3	Kalle Teglstrup Wilsen	0.09 s	JavaScript (Node.js)	2023-02-05 18:17:01
4	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-20 15:07:05
5	Kimlong Seng	0.42 s	JavaScript (Node.js)	2020-02-27 06:59:44
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 06:36:56

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2019-04-28 14:42:44
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-11 22:08:53
3	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-10 16:07:59
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-07 15:44:51

#	User	Runtime	Language	Date
1	Emil Wihlander	0.18 s	Kotlin	2023-07-25 23:03:02
2	Adam Rankin	0.18 s	Kotlin	2023-09-14 00:32:18
3	Neil Harmon	0.19 s	Kotlin	2019-04-29 09:37:27
4	Jacob Huebner	0.22 s	Kotlin	2020-04-20 11:39:42

#	User	Runtime	Language	Date
1	Matthew Lutze	0.00 s	OCaml	2020-05-28 02:30:43

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-08-13 10:36:19

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2021-07-05 23:13:12
2	Andre Wahyudi	0.01 s	PHP	2022-12-08 04:23:32

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-18 11:42:00
2	Oskar Larsson	0.03 s	Python 2	2019-04-27 11:20:20
3	Felix Balthasar Berief	0.03 s	Python 2	2019-04-27 11:25:49
4	Hidden user	0.03 s	Python 2	2019-04-27 11:32:52
5	Linus Karlsson	0.03 s	Python 2	2019-04-27 12:41:34
6	Måns Magnusson	0.03 s	Python 2	2019-04-28 11:25:11
7	Björn Magnusson	0.03 s	Python 2	2019-04-28 11:27:43
8	Lars Åström	0.03 s	Python 2	2019-04-28 11:27:50
9	Jonatan Nilsson	0.03 s	Python 2	2019-04-28 11:33:44
10	Andreas Björklund	0.03 s	Python 2	2019-05-02 15:58:06

#	User	Runtime	Language	Date
1	Kristoffer Åhgren	0.02 s	Python 3	2019-04-27 11:10:32
2	Alexander Viklund	0.02 s	Python 3	2019-04-27 11:18:49
3	Herman Karlsson	0.02 s	Python 3	2019-04-27 11:22:32
4	Robert Welin-Berger	0.02 s	Python 3	2019-04-27 11:25:09
5	Herman Appelgren	0.02 s	Python 3	2019-04-27 11:28:59
6	Dennis Magnusson	0.02 s	Python 3	2019-04-27 11:32:08
7	Alex Loiko	0.02 s	Python 3	2019-04-27 11:45:19
8	Karl Lundstig	0.02 s	Python 3	2019-04-27 11:56:50
9	Damjan Polugic	0.02 s	Python 3	2019-04-27 12:07:41
10	Oskar Söderberg	0.02 s	Python 3	2019-04-27 12:17:35

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2021-04-11 18:10:59
2	Thomas Feld	0.06 s	Ruby	2022-11-15 10:46:57
3	Eugen Neagoe	0.06 s	Ruby	2023-07-04 14:10:06

#	User	Runtime	Language	Date
1	Zack Groff	0.00 s	Rust	2019-07-30 20:12:03
2	Alex G	0.00 s	Rust	2020-03-30 00:38:09
3	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2021-05-30 17:54:33
4	Freek van Keulen	0.00 s	Rust	2021-07-18 21:30:02
5	Kok Dith	0.00 s	Rust	2021-08-06 15:49:22
6	Eric Pinter	0.00 s	Rust	2021-11-25 23:25:50
7	Bas Dirks	0.00 s	Rust	2022-01-03 17:22:31
8	David Rasch	0.00 s	Rust	2022-07-15 10:58:18
9	Isak Jägberg	0.00 s	Rust	2023-04-13 14:39:22
10	Vincent Lagerros	0.00 s	Rust	2025-02-17 11:57:22

#	User	Length	Language	Date
1	Martin Neihoff	119	C	2023-03-09 19:00:24
2	Matthew Weston	156	C	2022-01-31 14:46:43
3	Chance Parsons	180	C	2023-02-08 20:42:00
4	Garðar Ingvarsson	185	C	2019-05-08 03:25:02
5	Nguyễn Quốc Khang	188	C	2023-08-18 08:10:40
6	Sergey Jakobsen	204	C	2021-04-11 13:56:19
7	Jonathan Marriott	225	C	2019-10-07 21:31:48
8	Dwi Setyawan	227	C	2023-12-05 11:36:52
9	Marchell Adi Pratama	232	C	2023-12-04 17:20:02
10	Billal Cahya Nugraha	235	C	2023-12-05 14:23:03

#	User	Length	Language	Date
1	Vicky Irmawan	431	C#	2020-07-22 11:21:03
2	Ali Aliev	475	C#	2022-02-07 12:29:30
3	Thomas Norris	502	C#	2019-11-07 15:05:47
4	Toby Maynard	542	C#	2021-06-11 19:36:06
5	Eric Weiss	583	C#	2022-07-08 17:49:14
6	Gurpartap Singh Bhatti	696	C#	2020-04-11 05:36:23
7	Joshua Jacoby	710	C#	2020-05-03 19:54:36
8	Gustav von Knorring	1112	C#	2019-04-27 14:20:27

#	User	Length	Language	Date
1	Tyler Fernando	109	C++	2022-10-28 12:12:52
2	Hidden user	145	C++	2020-01-30 18:58:02
3	Aksel Holbek Sørbye	155	C++	2020-01-28 11:25:50
4	Jordan Quah Shao Xuan	155	C++	2022-12-08 14:09:22
5	Dau Huy Minh	156	C++	2022-10-29 17:55:28
6	Cristopher Céspedes A	162	C++	2024-11-22 02:33:08
7	Blue Panda	163	C++	2021-01-26 17:24:29
8	Chance Parsons	167	C++	2023-02-08 20:41:41
9	Grae Yeandle	173	C++	2019-08-24 19:47:02
10	Jesús Pacheco Alonso	174	C++	2023-03-27 19:56:13

#	User	Length	Language	Date
1	David Cawthon	326	Common Lisp	2020-07-18 17:41:39

#	User	Length	Language	Date
1	Sebastian Sternberg	375	F#	2021-08-26 18:47:34

#	User	Length	Language	Date
1	Johannes Larsson	442	Go	2019-05-12 13:51:03
2	Norbert Voelker	607	Go	2021-04-17 01:06:20
3	Diamond	745	Go	2023-02-24 08:13:34

#	User	Length	Language	Date
1	Tomas Möre	182	Haskell	2019-04-27 12:00:41
2	Linus Eklund	212	Haskell	2019-04-27 14:52:13
3	Steinar Simonnes	224	Haskell	2024-02-07 12:16:11
4	Jan Hrček	289	Haskell	2020-10-31 19:54:35
5	Hugo Söderbergh	317	Haskell	2022-09-20 21:27:49
6	Aurélien Pepin	391	Haskell	2019-09-05 21:38:50
7	Caleb Surovik	391	Haskell	2021-07-03 02:31:55
8	Hidden user	407	Haskell	2019-08-28 18:45:33
9	Olof Gren	427	Haskell	2019-04-27 12:59:48
10	Shaun Greer	483	Haskell	2020-08-25 13:48:38

#	User	Length	Language	Date
1	John Copley	299	Java	2019-07-20 02:00:11
2	Carter Henderson	302	Java	2022-03-03 18:09:41
3	Joshua Goldberg	323	Java	2020-05-04 07:49:03
4	Julia Tönnies	339	Java	2019-05-10 15:47:05
5	Andreas Guldborg Hansen	345	Java	2021-11-12 13:14:10
6	Åke Wettergren	347	Java	2020-03-10 10:06:04
7	Leslie Yip	351	Java	2022-07-31 13:15:55
8	Emilie Hyslop	359	Java	2021-01-10 02:16:35
9	Jonas Olsson	365	Java	2019-04-27 12:25:55
10	Thomas King	376	Java	2021-01-07 19:08:59

#	User	Length	Language	Date
1	Chris Wong	383	JavaScript (Node.js)	2021-02-20 15:07:05
2	Kalle Teglstrup Wilsen	413	JavaScript (Node.js)	2023-02-05 18:17:01
3	Kimlong Seng	503	JavaScript (Node.js)	2020-02-27 06:59:44
4	John	778	JavaScript (Node.js)	2022-07-16 03:32:04
5	Andoko Chandra	847	JavaScript (Node.js)	2020-10-10 06:36:56
6	Lucian Weber	1360	JavaScript (Node.js)	2019-04-27 14:11:44

#	User	Length	Language	Date
1	Jimmy Gustafsson	63	JavaScript (SpiderMonkey)	2024-08-07 15:44:51
2	Christian Cederquist	100	JavaScript (SpiderMonkey)	2023-01-10 16:07:59
3	Peter Menyes	191	JavaScript (SpiderMonkey)	2021-08-11 22:08:53
4	Bjørn Chr. Soltvedt	198	JavaScript (SpiderMonkey)	2019-04-28 14:42:44

#	User	Length	Language	Date
1	Jacob Huebner	207	Kotlin	2020-04-20 11:39:42
2	Adam Rankin	268	Kotlin	2023-09-14 00:32:18
3	Emil Wihlander	363	Kotlin	2023-07-25 23:03:02
4	Neil Harmon	791	Kotlin	2019-04-29 09:37:27

#	User	Length	Language	Date
1	Matthew Lutze	504	OCaml	2020-05-28 02:30:43

#	User	Length	Language	Date
1	Ingemar Ragnemalm	245	Pascal	2019-08-13 10:36:19

#	User	Length	Language	Date
1	Renate	196	PHP	2021-07-05 23:13:12
2	Andre Wahyudi	399	PHP	2022-12-08 04:23:32

#	User	Length	Language	Date
1	Andreas Björklund	79	Python 2	2019-05-02 15:58:06
2	Thomas Feld	81	Python 2	2019-09-10 14:48:03
3	Lars Åström	88	Python 2	2019-04-28 11:27:50
4	Felix Balthasar Berief	106	Python 2	2019-04-27 11:25:49
5	Jonatan Nilsson	111	Python 2	2019-04-28 11:33:44
6	Jesper Öqvist	112	Python 2	2019-08-10 02:44:36
7	Måns Magnusson	123	Python 2	2019-04-28 11:25:11
8	Maj Stenmark	125	Python 2	2019-10-24 23:17:17
9	Johan Lyts	133	Python 2	2019-05-16 21:00:54
10	Oskar Larsson	156	Python 2	2019-04-27 11:20:20

#	User	Length	Language	Date
1	Ahmed Chamseddine	63	Python 3	2025-04-04 07:58:56
2	Eduardo Vicente Petry	63	Python 3	2023-02-09 09:18:26
3	Nikita Vishnyak	78	Python 3	2023-11-29 20:32:02
4	Thibault Raffaillac	79	Python 3	2023-07-31 22:50:38
5	Tistou	79	Python 3	2021-11-18 10:33:01
6	Ocram Esah	82	Python 3	2022-06-05 13:04:15
7	Jason Oliphant	84	Python 3	2023-04-14 04:01:12
8	Paco Criado	85	Python 3	2023-07-29 17:53:27
9	Rafael Kristoforus Yanto	85	Python 3	2025-02-21 11:32:17
10	Sai Sourabh C	86	Python 3	2022-11-02 16:59:14

#	User	Length	Language	Date
1	Thomas Feld	56	Ruby	2022-12-13 08:23:02
2	Hidden user	98	Ruby	2021-04-11 18:10:59
3	Eugen Neagoe	130	Ruby	2023-07-04 14:10:06

#	User	Length	Language	Date
1	David Rasch	417	Rust	2022-07-15 10:58:18
2	Kok Dith	452	Rust	2021-08-06 15:49:22
3	Vincent Lagerros	473	Rust	2025-02-17 11:57:22
4	Zack Groff	492	Rust	2019-07-30 20:12:03
5	Freek van Keulen	527	Rust	2021-07-18 21:30:02
6	Bas Dirks	634	Rust	2022-01-03 17:22:31
7	Isak Jägberg	701	Rust	2023-04-13 14:39:22
8	Alex G	1014	Rust	2020-03-30 00:38:09
9	Eric Pinter	1041	Rust	2021-11-25 23:25:50
10	Muhammad Rais Fathin Mudzakir	3949	Rust	2021-05-30 17:54:33

Solution running time distribution