Problem F
Paul Eigon — Problem Statistics

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Submissions	6754
Accepted submissions	3302
Submission ratio	48.89%
Authors	3194
Accepted authors	2993
Author ratio	93.71%

#	User	Runtime	Language	Date
1	Philip Sköld	0.01 s	C#	2013-05-08 18:03:43
2	masosz	0.01 s	C#	2015-02-12 18:50:31
3	Jonas S	0.01 s	C#	2015-08-23 20:32:47
4	Taner Yavuz	0.01 s	C#	2015-09-24 01:49:39
5	Jens Mossig	0.01 s	C#	2015-10-22 07:58:54
6	Raja Sanjeev Kumar Nakka	0.01 s	C#	2016-05-08 06:05:05
7	Robert Low	0.01 s	C#	2016-07-16 14:18:25
8	Klas af Geijerstam	0.01 s	C#	2017-02-20 17:58:20
9	Firas Al Omary	0.01 s	C#	2017-03-30 08:47:44
10	Johan Pettersson	0.01 s	C#	2017-06-20 22:43:40

#	User	Runtime	Language	Date
1	Brandon Mitchell	0.00 s	COBOL	2020-04-11 03:13:24

#	User	Runtime	Language	Date
1	Patrick Bahr	0.03 s	F#	2021-02-21 17:25:55
2	Jacob Harris Cryer Kragh	0.03 s	F#	2022-08-03 21:01:39

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Go	2019-11-24 12:25:10
2	Carl Martin Rosenberg	0.02 s	Go	2022-07-25 12:51:47
3	Zeheng Li	0.02 s	Go	2022-12-31 18:52:41
4	Alejandro Germain	0.07 s	Go	2018-11-02 20:55:24
5	Eddy Wu	0.07 s	Go	2018-12-20 03:58:28
6	Krzysztof Gibuła	0.07 s	Go	2019-03-17 16:20:44
7	Theo Coyne Morgan	0.07 s	Go	2019-03-27 00:51:30
8	Norbert Voelker	0.07 s	Go	2021-04-14 17:14:20
9	William Fiset	0.08 s	Go	2016-01-07 20:30:59
10	Thomas Mailund	0.08 s	Go	2020-12-01 13:54:12

#	User	Runtime	Language	Date
1	Axel Nilsson	0.04 s	Java	2024-08-24 12:51:52
2	Rene Argento	0.04 s	Java	2024-12-16 03:54:03
3	Erik Odenman	0.05 s	Java	2013-05-08 17:29:36
4	Oskar Werkelin Ahlin	0.05 s	Java	2013-05-08 17:45:31
5	Daniel Olausson	0.05 s	Java	2013-05-08 17:59:12
6	Jens Ståhl	0.05 s	Java	2013-10-09 10:40:31
7	Hidden user	0.05 s	Java	2014-03-27 02:11:56
8	Snæbjörn Þórir Eyjólfsson	0.05 s	Java	2014-12-12 14:44:46
9	Łukasz Antkowiak	0.05 s	Java	2015-09-13 22:51:38
10	Dennis Ang	0.05 s	Java	2015-09-23 15:25:00

#	User	Runtime	Language	Date
1	Aurel Stocheci	0.05 s	JavaScript (Node.js)	2018-12-06 15:43:58
2	Matteo Milanese	0.05 s	JavaScript (Node.js)	2018-12-22 10:40:48
3	Hidden user	0.05 s	JavaScript (Node.js)	2019-03-25 21:16:34
4	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-30 19:12:49
5	Hidden user	0.40 s	JavaScript (Node.js)	2019-08-09 06:04:56
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-09 20:40:56
7	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-06 21:23:00
8	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2021-03-18 01:31:00
9	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-02-03 00:30:56
10	John	0.43 s	JavaScript (Node.js)	2021-02-26 07:51:21

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-20 23:50:44
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-28 23:32:18
3	J M	0.01 s	JavaScript (SpiderMonkey)	2016-11-10 21:14:03
4	Ionel Hindorean	0.01 s	JavaScript (SpiderMonkey)	2016-12-02 13:49:33
5	Spencer Smith	0.01 s	JavaScript (SpiderMonkey)	2017-06-02 06:45:04
6	Peter Menyes	0.01 s	JavaScript (SpiderMonkey)	2017-08-27 21:37:47
7	Omar Saad	0.01 s	JavaScript (SpiderMonkey)	2017-09-06 16:38:05
8	Omar Al-Khashab	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 06:21:54
9	Goran Sherko Jawdat	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 17:55:30
10	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2018-06-26 13:19:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.43 s	Julia	2024-06-14 04:25:50
2	Danny Robinson	0.50 s	Julia	2023-06-23 04:40:35

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2020-04-27 04:55:28
2	Dayan Ruben Gonzalez	0.14 s	Kotlin	2020-09-27 22:31:56
3	Gaurav Tyagi	0.15 s	Kotlin	2018-11-01 21:56:24
4	Yao Wang	0.18 s	Kotlin	2022-06-10 08:20:19
5	Emil Wihlander	0.18 s	Kotlin	2023-07-27 15:49:51
6	Neil Harmon	0.19 s	Kotlin	2019-04-09 10:10:41
7	Merih Bora Poçan	0.19 s	Kotlin	2020-08-02 02:02:53
8	Einar Kjellback	0.19 s	Kotlin	2020-08-13 11:48:33
9	Alexandre Conte	0.19 s	Kotlin	2021-09-13 22:23:06
10	Jan Clarin	0.20 s	Kotlin	2017-11-01 06:36:39

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.00 s	OCaml	2022-11-26 03:30:24
2	Sebastian Banert	0.00 s	OCaml	2024-08-30 15:05:03

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-10-10 21:41:56

#	User	Runtime	Language	Date
1	cojonas1	0.01 s	PHP	2021-01-11 10:24:02
2	Renate	0.01 s	PHP	2021-07-03 23:37:22
3	Andre Wahyudi	0.01 s	PHP	2023-03-15 09:21:51

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-12-26 07:33:30
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-24 20:27:22

#	User	Runtime	Language	Date
1	Daniel Palmqvist	0.02 s	Python 2	2015-01-07 18:44:53
2	Paulo Bu	0.02 s	Python 2	2015-02-12 11:52:51
3	Hidden user	0.02 s	Python 2	2015-02-27 17:16:45
4	Jonas Kylling	0.02 s	Python 2	2015-03-22 16:46:33
5	Denis Godunov	0.02 s	Python 2	2015-03-29 14:43:58
6	Christofer Ohlsson	0.02 s	Python 2	2015-04-04 23:05:12
7	Johannes Agestam	0.02 s	Python 2	2015-08-19 12:04:08
8	Oskar Haarklou Veileborg	0.02 s	Python 2	2015-09-29 13:57:16
9	Snild Dolkow	0.02 s	Python 2	2015-10-04 08:11:52
10	Nick Wu	0.02 s	Python 2	2015-10-05 02:08:39

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.02 s	Python 3	2013-05-08 17:37:38
2	Hidden user	0.02 s	Python 3	2014-10-11 23:58:05
3	Martin Stensgård	0.02 s	Python 3	2015-03-22 02:20:42
4	James Elías Sigurðarson	0.02 s	Python 3	2015-05-31 21:52:10
5	Petra Vidic	0.02 s	Python 3	2015-07-25 11:11:02
6	Johannes Agestam	0.02 s	Python 3	2015-08-19 12:02:40
7	John Harrison	0.02 s	Python 3	2015-09-18 18:51:32
8	Emil Riis Hansen	0.02 s	Python 3	2015-10-17 00:29:56
9	Frederik Højholt	0.02 s	Python 3	2015-10-17 18:14:18
10	Nathan Collins	0.02 s	Python 3	2016-05-18 21:47:46

#	User	Runtime	Language	Date
1	Lasse Berglund	0.03 s	Ruby	2016-04-21 14:14:43
2	Erik Rydbert	0.03 s	Ruby	2016-08-02 15:25:58
3	Sam Henry	0.03 s	Ruby	2017-02-27 23:53:56
4	Lim Ming Yean	0.04 s	Ruby	2018-11-22 04:41:26
5	Savvas Alexandrou	0.04 s	Ruby	2018-12-06 19:14:12
6	Kyle Moran	0.04 s	Ruby	2018-12-17 16:56:16
7	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-09-16 18:22:19
8	Hidden user	0.05 s	Ruby	2021-02-13 01:09:13
9	Thomas Feld	0.06 s	Ruby	2022-11-14 12:24:34
10	Hakan Kjellerstrand	0.06 s	Ruby	2023-03-15 21:17:35

#	User	Length	Language	Date
1	Isak Norberg	155	C	2018-09-23 12:55:05
2	Johan Karlsson	155	C	2018-11-26 10:37:44
3	Nathalie Johansson	157	C	2018-12-11 19:09:43
4	Martin Blom	160	C	2018-09-17 10:42:55
5	Donikon Fajar	161	C	2018-11-12 09:48:09
6	Felix Gavelin	162	C	2018-12-11 12:25:21
7	Olle Jernberg	163	C	2018-11-21 15:32:41
8	Illa Somasekhar	164	C	2018-11-11 05:54:42
9	Philip Räfting	164	C	2018-12-05 23:04:50
10	Hidden user	164	C	2023-09-13 16:54:43

#	User	Length	Language	Date
1	Michael Damsgaard	236	C#	2025-01-02 19:26:34
2	Klas af Geijerstam	283	C#	2017-02-20 17:58:20
3	Kunwei Zhang	300	C#	2018-06-09 06:58:56
4	Benjamin Iserman	323	C#	2021-10-28 02:17:33
5	Martin Molin	352	C#	2018-12-19 12:42:12
6	Robert Low	376	C#	2016-07-16 14:18:25
7	Thomas Norris	398	C#	2019-06-24 19:30:08
8	Liam Percy	440	C#	2018-03-23 05:03:39
9	Armin Krauss	445	C#	2018-12-06 15:38:26
10	Hidden user	458	C#	2017-04-20 16:40:00

#	User	Length	Language	Date
1	Frans Meulenbroeks	95	C++	2025-02-12 22:56:56
2	Ralf Merhof	106	C++	2024-03-24 21:03:04
3	Herman Karlsson	118	C++	2015-02-12 17:05:15
4	Francesco Alemanno	140	C++	2024-01-27 17:33:42
5	Axel Lindeberg	142	C++	2016-12-07 12:14:14
6	COFFEY	142	C++	2024-05-01 08:48:53
7	Limao Chang	146	C++	2022-04-12 11:17:21
8	vagabundus	147	C++	2022-11-03 11:24:35
9	Ngọc Minh Nguyễn	149	C++	2018-10-30 02:40:47
10	Tommy Phillips	150	C++	2024-07-01 20:42:08

#	User	Length	Language	Date
1	Brandon Mitchell	565	COBOL	2020-04-11 03:13:24

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	561	F#	2022-08-03 21:01:39
2	Patrick Bahr	1843	F#	2021-02-21 17:25:55

#	User	Length	Language	Date
1	Theo Coyne Morgan	169	Go	2019-03-27 00:51:30
2	Thomas Mailund	182	Go	2020-12-01 13:54:12
3	William Fiset	193	Go	2016-01-07 20:30:59
4	Zeheng Li	206	Go	2022-12-31 18:52:41
5	Alejandro Germain	286	Go	2018-11-02 20:55:24
6	Carl Martin Rosenberg	303	Go	2022-07-25 12:51:47
7	Krzysztof Gibuła	431	Go	2019-03-17 16:20:44
8	Hidden user	498	Go	2019-11-24 12:25:10
9	Eddy Wu	528	Go	2018-12-20 03:58:28
10	August Danell Håkansson	752	Go	2017-04-10 13:00:44

#	User	Length	Language	Date
1	David Wärn	101	Haskell	2015-10-09 11:59:32
2	Hidden user	107	Haskell	2019-05-03 17:56:33
3	Aaron Lengyel	126	Haskell	2021-11-17 02:19:37
4	Jahid Hasan Imon	138	Haskell	2020-09-29 19:33:25
5	Peter Deal	154	Haskell	2016-05-13 23:30:40
6	Martin Jackson	154	Haskell	2017-01-08 18:16:34
7	Anthony Clark	168	Haskell	2017-03-14 18:09:16
8	Håkon Flatval	168	Haskell	2018-08-31 22:24:55
9	Jahid Hasan	168	Haskell	2020-09-29 19:32:46
10	Johan Meier	178	Haskell	2017-01-07 18:18:20

#	User	Length	Language	Date
1	Henry Fong	203	Java	2022-11-07 00:44:49
2	Corey Alan Waldon	244	Java	2016-10-09 23:47:08
3	Jason Liu	247	Java	2023-08-30 18:28:51
4	Prakash Sanyasi	253	Java	2018-10-15 20:56:46
5	Simon Xue	264	Java	2015-11-09 23:23:14
6	Krishna Prasad Sharma	277	Java	2018-09-28 07:51:02
7	Kevin Kauffman	281	Java	2021-12-29 04:37:10
8	Dỗn Lùng	288	Java	2018-10-25 14:55:02
9	Mouhssine Assaoud	291	Java	2016-11-06 21:45:32
10	Stela Palii	291	Java	2017-11-17 07:16:28

#	User	Length	Language	Date
1	Aurel Stocheci	351	JavaScript (Node.js)	2018-12-06 15:43:58
2	Hidden user	389	JavaScript (Node.js)	2019-03-25 21:20:26
3	Hidden user	402	JavaScript (Node.js)	2019-08-09 06:04:56
4	Chris Wong	449	JavaScript (Node.js)	2021-02-06 21:23:00
5	Matteo Milanese	504	JavaScript (Node.js)	2018-12-22 10:40:48
6	Hovhannes Kantuni	512	JavaScript (Node.js)	2021-03-18 01:35:45
7	Sander Hellesø	730	JavaScript (Node.js)	2019-04-30 19:12:49
8	Andoko Chandra	820	JavaScript (Node.js)	2020-10-09 20:40:56
9	John	897	JavaScript (Node.js)	2021-02-26 07:51:21
10	Niamh Limerick	950	JavaScript (Node.js)	2022-02-03 00:30:56

#	User	Length	Language	Date
1	Jimmy Gustafsson	71	JavaScript (SpiderMonkey)	2024-07-20 23:59:00
2	Bjørn Chr. Soltvedt	101	JavaScript (SpiderMonkey)	2016-01-28 23:35:31
3	Peter Menyes	143	JavaScript (SpiderMonkey)	2017-08-27 21:37:47
4	Christian Cederquist	147	JavaScript (SpiderMonkey)	2022-12-31 14:47:43
5	J M	172	JavaScript (SpiderMonkey)	2016-11-10 21:14:03
6	Peter Kedemo	176	JavaScript (SpiderMonkey)	2015-12-20 23:50:44
7	Omar Al-Khashab	180	JavaScript (SpiderMonkey)	2018-04-25 06:21:54
8	Ionel Hindorean	209	JavaScript (SpiderMonkey)	2016-12-02 13:49:33
9	Goran Sherko Jawdat	209	JavaScript (SpiderMonkey)	2018-04-25 17:55:30
10	Spencer Smith	214	JavaScript (SpiderMonkey)	2017-06-02 06:45:04

#	User	Length	Language	Date
1	Danny Robinson	77	Julia	2023-06-23 04:40:35
2	Timothy Gaede	233	Julia	2024-06-14 04:25:50

#	User	Length	Language	Date
1	Yao Wang	153	Kotlin	2022-06-10 08:21:09
2	Einar Kjellback	164	Kotlin	2020-08-13 11:48:33
3	Alexandre Conte	183	Kotlin	2021-09-13 22:23:06
4	Jacob Huebner	208	Kotlin	2020-04-27 04:55:28
5	Jan Clarin	214	Kotlin	2017-11-01 06:36:39
6	Dayan Ruben Gonzalez	234	Kotlin	2020-09-27 22:31:56
7	Emil Wihlander	253	Kotlin	2023-07-27 15:49:51
8	Adam Rankin	277	Kotlin	2023-04-29 23:31:35
9	Troy Warmboe	307	Kotlin	2020-02-11 02:07:57
10	Gaurav Tyagi	337	Kotlin	2018-11-01 21:56:24

#	User	Length	Language	Date
1	Jinwoo Lee	168	OCaml	2022-11-26 03:30:24
2	Sebastian Banert	191	OCaml	2024-08-30 15:05:03

#	User	Length	Language	Date
1	Ingemar Ragnemalm	216	Pascal	2017-10-10 21:41:56

#	User	Length	Language	Date
1	Renate	132	PHP	2021-07-03 23:37:22
2	cojonas1	284	PHP	2021-01-11 10:24:02
3	Andre Wahyudi	473	PHP	2023-03-15 09:21:51

#	User	Length	Language	Date
1	Hakan Kjellerstrand	93	Prolog	2023-03-12 11:01:12
2	Hadi Qovaizi	6274	Prolog	2016-12-26 07:33:30

#	User	Length	Language	Date
1	Thomas Feld	77	Python 2	2019-08-21 14:22:28
2	Andreas Eisele	84	Python 2	2018-11-06 05:17:23
3	Johan Lyts	92	Python 2	2019-06-07 22:11:39
4	Jeff Robertson	95	Python 2	2018-04-19 23:41:44
5	Lars Åström	96	Python 2	2019-10-03 00:48:00
6	Andreas Björklund	97	Python 2	2020-03-10 18:59:57
7	Sigurður Jens Albertsson	98	Python 2	2018-10-04 20:02:06
8	Catalin Popa	99	Python 2	2018-12-06 02:56:30
9	Arjit Srivastava	103	Python 2	2016-04-22 01:32:41
10	Miguel Alfageme Sanchez	104	Python 2	2017-02-08 20:12:48

#	User	Length	Language	Date
1	Clement Oh	67	Python 3	2023-10-02 13:28:13
2	David Aldenbro	69	Python 3	2025-06-30 22:54:49
3	Harry Zhang	69	Python 3	2022-12-22 09:57:20
4	Charles Ancheta	71	Python 3	2023-04-09 07:32:22
5	Lawry Sorenson	71	Python 3	2023-06-23 17:53:48
6	Evan Magill	72	Python 3	2025-04-18 05:30:36
7	Simon Baeckelant	72	Python 3	2024-04-14 01:52:07
8	Sander Oppen	72	Python 3	2024-05-21 11:16:10
9	Kévin Dubrulle	73	Python 3	2024-11-03 11:41:37
10	Hakan Kjellerstrand	74	Python 3	2023-03-15 21:12:20

#	User	Length	Language	Date
1	Thomas Feld	59	Ruby	2023-08-29 13:57:12
2	Hakan Kjellerstrand	67	Ruby	2023-03-15 21:22:55
3	Hidden user	75	Ruby	2021-02-13 01:09:13
4	Sam Henry	90	Ruby	2017-02-27 23:53:56
5	Erik Rydbert	92	Ruby	2016-08-02 15:25:58
6	Lim Ming Yean	99	Ruby	2018-11-22 04:41:26
7	Savvas Alexandrou	137	Ruby	2018-12-06 19:14:12
8	Kyle Moran	137	Ruby	2018-12-17 17:00:59
9	Macdara mac an tSionnaigh	140	Ruby	2019-09-16 18:22:19
10	Lasse Berglund	182	Ruby	2016-04-21 14:14:43

#	User	Length	Language	Date
1	Vincent Lagerros	279	Rust	2025-04-21 20:38:55
2	Robert Janczewski	300	Rust	2020-02-08 00:28:27
3	David Zacek	313	Rust	2021-05-29 14:34:29
4	Kok Dith	368	Rust	2021-08-12 03:19:17
5	Pankajkumar Patro	374	Rust	2024-08-18 18:15:26
6	Serguei Antonovich Kirillov	392	Rust	2019-04-25 18:50:45
7	Bas Dirks	443	Rust	2022-01-03 12:59:20
8	David Rasch	456	Rust	2021-02-10 17:02:29
9	Steve Sweetney	457	Rust	2018-12-23 05:13:07
10	Chaoyi Yin	467	Rust	2019-03-25 21:07:23

Solution running time distribution