Problem F
Basic Remains — Problem Statistics

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Submissions	1748
Accepted submissions	735
Submission ratio	42.05%
Authors	668
Full solves [?]	583
Full solve Ratio	87.28%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2019-10-31 09:10:26
2	Eyleifur Bjarkason	0.02 s	C	2019-11-01 18:58:05
3	Raymond Yang	0.02 s	C	2019-11-09 04:08:21
4	Sambit Palit	0.02 s	C	2020-11-23 20:38:33
5	Agis Daniels	0.02 s	C	2021-12-18 14:42:14
6	TheACEofTrump	0.02 s	C	2022-11-12 08:14:29
7	Sabit Zahin	0.32 s	C	2017-08-14 17:03:14

#	User	Runtime	Language	Date
1	Abdellatif Elyoussefy	0.35 s	C#	2020-06-06 01:52:33

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.01 s	C++	2023-12-29 04:18:20
2	Michael Pfeifer	0.02 s	C++	2018-04-05 05:46:34
3	David Brink	0.02 s	C++	2018-08-14 18:50:48
4	Atli Fannar Franklín	0.02 s	C++	2018-10-03 10:59:06
5	Hidden user	0.02 s	C++	2018-11-10 09:28:44
6	Marc Phua	0.02 s	C++	2019-06-29 19:06:34
7	Austin Fernandez	0.02 s	C++	2019-08-28 00:12:10
8	Anik Mahmud	0.02 s	C++	2019-11-26 19:31:54
9	She Jiayu	0.02 s	C++	2020-04-25 16:05:25
10	Hidden user	0.02 s	C++	2020-05-18 04:20:19

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Common Lisp	2019-07-29 02:19:13
2	Hidden user	0.31 s	Common Lisp	2022-08-23 00:02:16

#	User	Runtime	Language	Date
1	Morten Clausen	0.08 s	F#	2021-11-24 14:26:10

#	User	Runtime	Language	Date
1	Norbert Voelker	0.05 s	Go	2021-11-05 22:09:20

#	User	Runtime	Language	Date
1	Ryan O'Hara	0.01 s	Haskell	2020-08-25 09:52:26
2	Hidden user	0.14 s	Haskell	2022-06-28 12:47:19
3	Olle Eriksson	0.16 s	Haskell	2017-12-12 00:49:06
4	Steinar Simonnes	0.16 s	Haskell	2025-08-01 09:08:10
5	Ishan Sarode	0.20 s	Haskell	2024-04-05 21:24:34
6	Christian Leipe	0.22 s	Haskell	2019-08-15 08:47:30
7	Matthew Craven	0.27 s	Haskell	2020-06-04 04:37:06
8	Brian Hwang	0.49 s	Haskell	2021-09-10 19:38:22
9	Jesper Lundholm	0.50 s	Haskell	2018-06-01 21:35:06
10	David Wärn	0.96 s	Haskell	2018-04-10 21:55:14

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.11 s	Java	2022-03-20 16:36:09
2	José Vander Meulen	0.15 s	Java	2018-03-27 20:55:50
3	Liam Keliher	0.17 s	Java	2018-03-12 04:13:11
4	Samuel Klingström	0.19 s	Java	2017-07-11 00:38:23
5	Taras Romanyuk	0.20 s	Java	2024-07-31 23:52:51
6	Issa Issack	0.20 s	Java	2025-03-28 17:51:12
7	Håkan Terelius	0.23 s	Java	2008-11-12 16:19:30
8	James Black	0.23 s	Java	2018-03-15 23:24:03
9	Mark Bartish	0.24 s	Java	2008-11-12 15:15:40
10	Fredrik Atmer	0.24 s	Java	2009-10-26 10:41:56

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.11 s	JavaScript (SpiderMonkey)	2024-06-26 17:07:55
2	Christian Pilegaard Cederquist	0.53 s	JavaScript (SpiderMonkey)	2023-02-05 13:13:30

#	User	Runtime	Language	Date
1	Hidden user	0.36 s	Julia	2025-03-16 22:08:14
2	Timothy Gaede	0.53 s	Julia	2024-07-01 08:21:27
3	Danny Robinson	0.67 s	Julia	2023-10-13 21:10:55

#	User	Runtime	Language	Date
1	Phường Lên	0.45 s	Kotlin	2019-11-08 22:23:23
2	Filip Belik	0.47 s	Kotlin	2019-12-16 02:30:15
3	Adam Rankin	0.52 s	Kotlin	2023-05-10 05:37:51
4	Adam Koprowski	0.56 s	Kotlin	2021-07-05 12:04:45
5	Benjamin Laurence Erickson	0.60 s	Kotlin	2022-11-08 17:42:44
6	Hidden user	0.78 s	Kotlin	2019-11-01 02:13:58

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.46 s	Prolog	2025-12-18 04:41:31

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.05 s	Python 2	2017-02-02 10:31:28
2	Haggai Liu	0.05 s	Python 2	2017-06-11 08:58:56
3	Hidden user	0.05 s	Python 2	2017-10-12 12:35:37
4	Michael Huang	0.05 s	Python 2	2018-05-12 20:32:26
5	Hermon Mulat	0.05 s	Python 2	2018-10-10 17:03:01
6	Fredrik Ekholm	0.06 s	Python 2	2017-01-31 17:53:25
7	Dmitry Lyubshin	0.06 s	Python 2	2018-07-02 18:48:09
8	Andreas Eisele	0.06 s	Python 2	2018-09-20 08:15:35
9	Hidden user	0.06 s	Python 2	2018-12-10 02:10:01
10	Yanmarshus Bachtiar	0.06 s	Python 2	2020-11-03 09:20:47

#	User	Runtime	Language	Date
1	Herman Karlsson	0.03 s	Python 3	2017-01-31 17:49:44
2	Elias Riedel Gårding	0.03 s	Python 3	2017-01-31 17:55:04
3	Kristoffer Åhgren	0.03 s	Python 3	2017-01-31 18:56:20
4	Michael Hoffmann	0.03 s	Python 3	2017-02-14 15:32:26
5	R E	0.03 s	Python 3	2017-04-12 17:50:43
6	Ram Basnet	0.03 s	Python 3	2017-12-25 08:20:15
7	Jesse Ventura	0.03 s	Python 3	2018-01-05 04:40:16
8	Manu Lam	0.03 s	Python 3	2018-03-19 16:26:44
9	Johan Wind	0.03 s	Python 3	2018-05-06 17:20:31
10	Henry Jayakusuma	0.03 s	Python 3	2019-04-20 19:19:08

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2017-01-31 18:52:13
2	Hidden user	0.04 s	Ruby	2017-10-24 13:40:38
3	Peter Mikkelsen	0.06 s	Ruby	2018-08-14 01:06:15
4	Hidden user	0.07 s	Ruby	2020-05-28 22:48:29
5	Natanael Lundberg	0.07 s	Ruby	2021-09-17 13:32:54
6	Thomas Feld	0.07 s	Ruby	2023-03-20 14:22:13
7	Clement Oh	0.08 s	Ruby	2024-02-29 16:40:24

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-07-21 16:52:33
2	Bas Dirks	0.39 s	Rust	2022-02-06 20:18:32

#	User	Length	Language	Date
1	TheACEofTrump	785	C	2022-11-12 08:14:29
2	Raymond Yang	866	C	2019-11-09 04:08:21
3	Agis Daniels	1047	C	2021-12-18 14:42:14
4	Sambit Palit	1362	C	2020-11-23 20:38:33
5	Bergur Snorrason	1920	C	2019-10-30 23:06:48
6	Sabit Zahin	1994	C	2017-08-14 17:03:14
7	Eyleifur Bjarkason	5523	C	2019-11-01 18:58:16

#	User	Length	Language	Date
1	Abdellatif Elyoussefy	2429	C#	2020-06-06 01:52:33

#	User	Length	Language	Date
1	Emmanuel Anaya	451	C++	2021-02-12 00:48:37
2	Luciano Arnaldo Romero Calla	467	C++	2024-02-29 23:36:39
3	Evan Michael Bailey	494	C++	2023-06-24 19:16:12
4	Johan Sannemo	550	C++	2017-01-31 19:01:18
5	Zane Yu	559	C++	2019-01-03 14:59:16
6	thiamine	568	C++	2023-04-26 09:11:49
7	Marcus Forssell Stahre	610	C++	2008-11-12 17:16:23
8	Austin Fernandez	629	C++	2019-08-28 00:12:10
9	Christian Yongwhan Lim	663	C++	2023-06-18 16:04:56
10	Jerome Leow	673	C++	2020-12-17 09:05:20

#	User	Length	Language	Date
1	Hidden user	216	Common Lisp	2019-07-29 02:15:17
2	Hidden user	493	Common Lisp	2022-08-23 00:02:16

#	User	Length	Language	Date
1	Morten Clausen	740	F#	2021-11-24 14:26:10

#	User	Length	Language	Date
1	Norbert Voelker	661	Go	2021-11-05 22:09:20

#	User	Length	Language	Date
1	David Wärn	504	Haskell	2018-04-10 21:55:14
2	Ryan O'Hara	679	Haskell	2020-08-25 06:59:59
3	Brian Hwang	697	Haskell	2021-09-10 19:38:22
4	Steinar Simonnes	727	Haskell	2025-08-01 09:08:10
5	Christian Leipe	752	Haskell	2019-08-15 08:47:30
6	Ishan Sarode	794	Haskell	2024-04-05 21:24:34
7	Olle Eriksson	835	Haskell	2017-12-12 00:53:20
8	Matthew Craven	1042	Haskell	2020-06-04 04:37:06
9	Hidden user	1260	Haskell	2022-06-28 12:47:19
10	Jesper Lundholm	1538	Haskell	2018-06-01 21:33:58

#	User	Length	Language	Date
1	Jiru Xu	345	Java	2017-03-02 01:20:50
2	Gia Huy Nguyễn	361	Java	2018-10-07 10:13:54
3	Anderson Gabriel	372	Java	2024-11-15 06:37:49
4	Low Jun Kai	374	Java	2019-01-18 14:18:23
5	Caeden Whitaker	383	Java	2021-12-23 05:54:00
6	Åke Wettergren	384	Java	2019-11-21 11:35:43
7	Jason Tomkins	389	Java	2019-04-15 22:59:17
8	Bay Wei Heng	401	Java	2017-08-27 02:32:00
9	Maki Nishikino	403	Java	2019-09-22 04:49:43
10	Liu Husong	404	Java	2019-03-16 07:23:39

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	583	JavaScript (SpiderMonkey)	2024-06-26 17:07:55
2	Christian Pilegaard Cederquist	805	JavaScript (SpiderMonkey)	2023-02-05 13:13:30

#	User	Length	Language	Date
1	Danny Robinson	117	Julia	2023-10-13 21:10:55
2	Hidden user	131	Julia	2025-03-16 22:16:32
3	Timothy Gaede	1219	Julia	2024-07-01 08:21:55

#	User	Length	Language	Date
1	Filip Belik	339	Kotlin	2019-12-16 02:30:15
2	Benjamin Laurence Erickson	361	Kotlin	2022-11-08 17:42:44
3	Adam Koprowski	365	Kotlin	2021-07-05 12:04:45
4	Phường Lên	426	Kotlin	2019-11-08 22:23:23
5	Hidden user	470	Kotlin	2019-11-01 02:13:58
6	Adam Rankin	1040	Kotlin	2023-05-10 05:37:51

#	User	Length	Language	Date
1	Andriy Zyevakov	6091	Prolog	2025-12-18 04:41:31

#	User	Length	Language	Date
1	Hidden user	286	Python 2	2018-12-10 02:10:01
2	Andreas Björklund	301	Python 2	2020-03-11 20:20:54
3	Hidden user	304	Python 2	2017-10-12 12:35:37
4	Lars Åström	304	Python 2	2019-10-30 19:16:52
5	Oskar Haarklou Veileborg	309	Python 2	2018-11-18 11:01:31
6	Haggai Liu	322	Python 2	2017-06-11 08:58:56
7	Nick Wu	322	Python 2	2022-03-15 02:21:36
8	Michael Huang	336	Python 2	2018-05-12 20:32:26
9	Dmitry Lyubshin	341	Python 2	2018-07-02 18:48:09
10	Sigurður Jens Albertsson	342	Python 2	2019-11-27 00:41:07

#	User	Length	Language	Date
1	Ahmed Chamseddine	134	Python 3	2025-07-02 01:53:19
2	Chung Yan Chow	156	Python 3	2026-03-03 04:59:23
3	a_b__c	178	Python 3	2021-02-20 19:32:22
4	Herman Karlsson	184	Python 3	2017-01-31 17:49:44
5	Charles Ancheta	191	Python 3	2023-04-13 09:38:27
6	Braydon Willms	257	Python 3	2021-02-04 04:11:23
7	Lim An Jun	270	Python 3	2023-04-14 11:10:37
8	Suus Brommer	270	Python 3	2025-05-12 12:38:09
9	Johan Wind	276	Python 3	2018-05-06 17:20:31
10	Fiona Amaia Tano	276	Python 3	2021-03-05 10:48:56

#	User	Length	Language	Date
1	Thomas Feld	71	Ruby	2023-03-20 14:26:45
2	Natanael Lundberg	123	Ruby	2021-09-17 13:32:54
3	Clement Oh	125	Ruby	2024-02-29 17:11:23
4	Hidden user	135	Ruby	2020-05-28 22:48:29
5	Peter Mikkelsen	155	Ruby	2018-08-14 01:12:06
6	Hidden user	171	Ruby	2017-01-31 18:52:13
7	Hidden user	194	Ruby	2017-10-24 13:40:38

#	User	Length	Language	Date
1	Bas Dirks	3742	Rust	2022-02-06 20:18:32
2	Vincent Lagerros	21779	Rust	2024-07-21 16:52:33

Solution running time distribution