Problem C
A Real Challenge

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Problem statistics

Submissions	19051
Accepted submissions	8269
Submission ratio	43.40%
Authors	8003
Accepted authors	7343
Author ratio	91.75%

#	User	Runtime	Date
1	Johan Clarström	0.01 s	2023-03-11 02:11:44
2	Thomas Feld	0.01 s	2023-05-11 10:37:29
3	Max NC	0.01 s	2023-09-09 14:05:13
4	Jairus Carle Isaguirre	0.01 s	2023-09-29 18:43:40
5	Adam Wood	0.01 s	2023-10-07 19:17:52
6	JackTheEgg	0.01 s	2024-04-21 23:27:19

#	User	Runtime	Date
1	Danny Robinson	0.01 s	2023-09-06 16:47:08
2	Chenzhang Hu	0.06 s	2023-09-06 17:58:22
3	Thomas Feld	0.07 s	2023-09-26 14:47:43

#	User	Runtime	Date
1	Brian Scott	0.01 s	2017-10-04 23:11:29
2	Kunwei Zhang	0.01 s	2018-02-15 05:23:22
3	Hidden user	0.02 s	2016-04-02 21:44:40
4	Luiz Miranda	0.02 s	2016-04-02 21:46:02
5	Emílio Weba	0.02 s	2016-04-03 19:36:01
6	Khin Nyunt	0.02 s	2016-04-12 06:21:54
7	Raja Sanjeev Kumar Nakka	0.02 s	2016-04-29 00:41:46
8	Duelene Olson	0.02 s	2016-05-18 22:15:48
9	Robert Low	0.02 s	2016-07-14 17:07:30
10	Hidden user	0.02 s	2016-09-13 14:37:19

#	User	Runtime	Date
1	David Cawthon	0.02 s	2019-04-11 01:55:18

#	User	Runtime	Date
1	Janis Hansen	0.01 s	2024-02-26 15:24:50

#	User	Runtime	Date
1	Jacob Harris Cryer Kragh	0.03 s	2022-06-04 21:40:57
2	Patrick Bahr	0.04 s	2021-02-20 16:28:48
3	Martin Handest	0.08 s	2023-09-20 09:14:48
4	oskar holland	0.08 s	2023-09-20 09:18:51
5	Jacob To	0.09 s	2023-11-17 03:34:46

#	User	Runtime	Date
1	Isaac Robinson	0.00 s	2023-11-04 00:35:40
2	Fauzan Abdillah	0.00 s	2023-12-20 19:58:41
3	Viktor Salling	0.00 s	2024-02-13 11:57:54
4	Mathis Joffre	0.02 s	2022-10-06 19:17:15
5	Zeheng Li	0.02 s	2022-12-29 18:21:48
6	Christopher Terence Ng Yan Kong	0.02 s	2023-01-19 14:00:17
7	My Name	0.06 s	2018-10-30 18:17:03
8	Mongkonchai Priyachiwa	0.07 s	2018-09-28 20:12:17
9	Steven Deutekom	0.07 s	2018-12-06 22:53:46
10	Krzysztof Gibuła	0.07 s	2019-03-09 15:04:27

#	User	Runtime	Date
1	Andreas Jansson	0.05 s	2015-12-23 19:08:54
2	Eskil Jarlskog	0.05 s	2016-01-23 13:29:21
3	Nick Wu	0.05 s	2016-02-05 07:15:21
4	Terrence Park	0.05 s	2016-02-09 05:10:07
5	Markus Tillman	0.05 s	2016-02-17 07:47:12
6	Robert Wörlund	0.05 s	2016-02-21 02:45:08
7	Petter Andersson	0.05 s	2016-02-21 02:49:44
8	Łukasz Antkowiak	0.05 s	2016-02-22 23:30:11
9	Love Engman	0.05 s	2016-02-25 16:34:55
10	Erik Baalhuis	0.05 s	2016-03-04 01:11:41

#	User	Runtime	Date
1	kasun	0.04 s	2024-01-10 16:42:06
2	William Vearrier	0.05 s	2018-07-23 20:02:05
3	simon Lo	0.05 s	2019-03-24 22:39:25
4	Sander Hellesø	0.05 s	2019-04-24 06:07:59
5	BRYAN DAVID ALVAREZ GALVIS	0.05 s	2023-10-07 16:26:03
6	Lance Skinner	0.05 s	2024-02-15 04:50:58
7	Hidden user	0.05 s	2024-02-23 23:52:01
8	Dakota DAHA3727	0.08 s	2022-07-05 06:07:40
9	Nikola Stojkovski	0.08 s	2022-08-13 12:47:16
10	Klemen Randl	0.09 s	2022-07-07 22:23:50

#	User	Runtime	Date
1	Peter Kedemo	0.01 s	2015-12-29 20:15:34
2	Bjørn Chr. Soltvedt	0.01 s	2016-01-06 21:32:31
3	Gabriel Lau	0.01 s	2016-03-26 17:06:12
4	Johannes Jensen	0.01 s	2016-03-31 20:07:38
5	Hidden user	0.01 s	2016-08-03 05:58:49
6	Hà Minh Ngọc	0.01 s	2016-08-03 07:14:56
7	Cole Rauh	0.01 s	2016-10-06 01:12:40
8	Tor Nordqvist	0.01 s	2016-10-25 01:51:05
9	J M	0.01 s	2016-10-28 13:49:10
10	Andrew Gemmel	0.01 s	2016-11-01 04:30:05

#	User	Runtime	Date
1	Danny Robinson	0.50 s	2023-09-06 16:48:22
2	Timothy Gaede	0.53 s	2024-04-02 15:25:06

#	User	Runtime	Date
1	Thanh Le	0.13 s	2021-07-13 19:33:35
2	Jacob Huebner	0.14 s	2020-03-17 01:02:54
3	Dayan Ruben Gonzalez	0.15 s	2020-09-27 21:50:47
4	Hidden user	0.17 s	2017-11-06 06:42:46
5	Mike Wilkes	0.17 s	2018-02-02 04:26:52
6	Dmitry Shostak	0.17 s	2018-08-18 15:52:16
7	Arda Atçı	0.17 s	2020-07-11 01:17:33
8	Sarek Høverstad Skotåm	0.17 s	2020-10-12 00:11:50
9	Mohsen Dehbashi	0.17 s	2021-05-25 06:36:51
10	SatishKumar Gollapudi	0.17 s	2023-06-23 11:57:04

#	User	Runtime	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	0.00 s	2023-11-13 22:08:22
2	Zeheng Li	0.00 s	2023-12-04 22:29:55
3	Anthony Gillespie	0.00 s	2024-01-19 01:10:20
4	Greg Gorlen	0.00 s	2024-02-08 03:35:08
5	José manuel Pérez paez	0.00 s	2024-02-29 05:23:33
6	Kevin Nalli	0.00 s	2024-03-01 02:25:02
7	ANDRES FELIPE GARCIA SANCHEZ	0.00 s	2024-03-11 17:14:11

#	User	Runtime	Date
1	Ingemar Ragnemalm	0.00 s	2017-08-06 18:49:29
2	David Connolly	0.00 s	2017-11-17 14:11:11
3	Egor Shchetinin	0.00 s	2017-12-21 19:03:06
4	Vova Podkorytov	0.00 s	2017-12-21 19:04:19
5	Arpine Khachatryan	0.00 s	2018-04-08 17:35:42
6	Chester Wyke	0.00 s	2019-09-11 23:06:39
7	Vitas	0.00 s	2019-12-26 14:30:21
8	Mihail Olari	0.00 s	2023-10-21 09:58:25

#	User	Runtime	Date
1	Hidden user	0.00 s	2023-12-06 10:47:41

#	User	Runtime	Date
1	Steven D. Wilson	0.01 s	2016-03-26 03:13:08
2	Peter Härder	0.01 s	2016-12-15 09:34:18
3	Marcus Hallén	0.01 s	2017-08-01 09:18:42
4	Jerico Dela Cruz	0.01 s	2018-03-27 10:16:54
5	Ilyas Mohetna	0.01 s	2019-02-19 20:07:01
6	Milton Blaesild	0.01 s	2019-03-15 02:14:42
7	Peter Kvick	0.01 s	2020-01-26 18:24:45
8	Hadi Qovaizi	0.01 s	2020-06-24 20:54:10
9	Renate	0.01 s	2021-05-10 21:21:20
10	Andre Wahyudi	0.01 s	2022-12-05 11:03:41

#	User	Runtime	Date
1	Hadi Qovaizi	0.01 s	2016-04-16 16:25:56
2	Hakan Kjellerstrand	0.02 s	2023-02-17 06:54:35
3	Andriy Zyevakov	0.02 s	2023-03-01 19:50:37

#	User	Runtime	Date
1	Christofer Ohlsson	0.02 s	2015-12-26 10:00:12
2	HH	0.02 s	2015-12-29 04:23:16
3	Urban Pettersson	0.02 s	2015-12-29 20:01:20
4	Johan Eliasson	0.02 s	2016-02-16 00:44:05
5	Asger Hautop Drewsen	0.02 s	2016-02-16 22:23:21
6	Frederik Højholt	0.02 s	2016-02-18 16:30:26
7	Alexander Teno	0.02 s	2016-02-24 16:46:28
8	Tina Zwittnig	0.02 s	2016-03-05 16:39:48
9	John Moison	0.02 s	2016-03-23 03:41:17
10	Erik Sillén	0.02 s	2016-03-28 17:14:12

#	User	Runtime	Date
1	Paul Khadim	0.02 s	2016-01-02 19:08:52
2	pythonista kattonista	0.02 s	2016-01-02 22:23:14
3	Wayne	0.02 s	2016-02-01 16:57:50
4	Rick van Rheenen	0.02 s	2016-02-15 12:31:49
5	Øyvind Johansen Amundrud	0.02 s	2016-02-17 00:44:47
6	Benjamin Peterson	0.02 s	2016-02-17 19:14:21
7	Brandon Morris	0.02 s	2016-02-18 14:01:02
8	Simon Vandel Sillesen	0.02 s	2016-02-18 16:36:06
9	Bjarki Stefánsson	0.02 s	2016-02-25 05:04:44
10	William Fiset	0.02 s	2016-02-25 21:47:42

#	User	Runtime	Date
1	Casper Christensen	0.03 s	2016-02-15 14:52:07
2	Gerry Hall	0.03 s	2016-03-26 03:53:15
3	Lasse Berglund	0.03 s	2016-03-29 13:21:41
4	Kellen Watt	0.03 s	2016-06-04 21:15:15
5	Erik Rydbert	0.03 s	2016-07-20 11:12:53
6	Mehdi Maick	0.03 s	2016-07-26 19:42:49
7	Hidden user	0.03 s	2016-08-18 17:11:39
8	Sebastian Craig	0.03 s	2016-10-19 21:59:45
9	Stian Fredrikstad	0.03 s	2017-02-23 11:55:10
10	Chaimae Ben Akka Ouayad	0.03 s	2017-04-29 17:22:09

#	User	Runtime	Date
1	Cyril Chaize	0.05 s	2024-01-01 11:06:52
2	Jacques	0.05 s	2024-04-25 10:13:20

#	User	Length	Date
1	Johan Clarström	15	2023-03-11 02:11:44
2	Thomas Feld	15	2023-05-11 10:37:29
3	Max NC	15	2023-09-09 14:06:23
4	Jairus Carle Isaguirre	20	2023-09-29 18:43:40
5	JackTheEgg	24	2024-04-21 23:27:19
6	Adam Wood	73	2023-10-07 19:17:52

#	User	Length	Date
1	Chenzhang Hu	5	2024-02-03 12:17:29
2	Thomas Feld	13	2023-09-26 14:47:43
3	Danny Robinson	29	2023-09-06 16:47:08

#	User	Length	Date
1	Said Lakhfif	95	2016-06-15 19:53:09
2	Krishna Vavilapalli	95	2018-11-03 06:52:12
3	Raven	109	2019-01-30 20:07:06
4	Matthew Weston	112	2021-12-30 14:20:15
5	Jad Ghalayini	113	2018-10-06 06:18:18
6	Reuben James Loquinario	113	2024-03-19 16:51:14
7	Aarya Deshmukh	115	2019-03-24 18:05:21
8	Matteo Piano	118	2016-12-20 15:38:24
9	Anton Lyxell	119	2017-09-25 01:49:48
10	Emil Wihlander	120	2020-11-28 19:22:45

#	User	Length	Date
1	Greg Sinclair	77	2023-11-06 17:30:16
2	Hajar Rashidi	141	2019-10-06 00:52:13
3	Ashu Jain	143	2024-02-14 23:40:12
4	Wesley Henson	147	2020-02-25 22:21:32
5	Shaun Lazaro	154	2016-12-13 16:47:00
6	Brian Scott	155	2017-10-04 23:11:29
7	Chase Oberg	156	2018-02-09 13:36:52
8	李陆屿	160	2019-05-02 17:38:29
9	Thomas Norris	160	2019-06-21 03:15:03
10	Marek Bina	173	2019-02-15 22:21:51

#	User	Length	Date
1	Anders Mouanga	87	2024-01-24 11:45:43
2	Zachariah Goldthorpe	96	2017-08-17 04:48:59
3	Elias	111	2022-12-28 21:11:18
4	Aron H	113	2024-03-07 15:27:28
5	Geometry Algebra	114	2017-09-30 20:37:15
6	李政穎	116	2018-09-14 05:51:03
7	Chi-Yuan Chen	119	2020-11-25 11:51:05
8	Sarun Tripattaranan	120	2017-03-29 03:30:12
9	Hidden user	120	2019-07-21 14:15:39
10	Rodrigo Erazo Hermosilla	121	2020-11-21 09:58:21

#	User	Length	Date
1	David Cawthon	83	2019-04-11 01:55:18

#	User	Length	Date
1	Janis Hansen	211	2024-02-26 15:24:50

#	User	Length	Date
1	Martin Handest	52	2023-09-20 09:14:48
2	oskar holland	52	2023-09-20 09:50:40
3	Jacob Harris Cryer Kragh	99	2022-06-04 21:40:57
4	Jacob To	137	2023-11-17 03:34:46
5	Patrick Bahr	1740	2021-02-20 16:28:48

#	User	Length	Date
1	Zeheng Li	126	2022-12-29 18:21:48
2	dick move	126	2021-05-28 19:08:43
3	Erik Pettersson	128	2019-12-25 18:02:29
4	Hidden user	129	2021-12-17 15:10:31
5	MITCH WATSON	130	2021-09-23 17:36:24
6	Steven Core	131	2017-03-21 07:47:59
7	Mathis Joffre	139	2022-10-06 19:17:15
8	Theo Coyne Morgan	140	2019-03-26 22:45:04
9	Mongkonchai Priyachiwa	142	2018-09-28 20:12:17
10	Ian Howell	142	2016-05-31 04:44:44

#	User	Length	Date
1	Gustav Nilsson Gisleskog	29	2023-02-07 15:14:35
2	Matthew Power	29	2023-11-05 20:25:17
3	Rudy Matela	31	2023-09-16 12:58:38
4	Øyvind Almli	33	2021-09-10 12:28:27
5	Rudi Svartveit	41	2019-08-28 21:06:04
6	Jørn Lode	43	2019-08-30 15:19:54
7	Steinar Simonnes	44	2023-10-25 17:03:13
8	Peter Deal	53	2016-05-07 21:55:37
9	Mongkonchai Priyachiwa	54	2018-09-28 20:19:54
10	Lars Corbijn	55	2018-10-21 14:04:01

#	User	Length	Date
1	Jiru Xu	162	2017-09-21 07:15:01
2	Wei Yi Yen	165	2022-11-09 15:58:29
3	Kenneth Devon Valeriano	167	2022-12-29 00:55:29
4	SherJames Lajera	167	2022-12-29 10:27:45
5	Jernalyn D. Dizon	167	2022-12-31 11:45:09
6	JENEVIE R CATALONIA	167	2022-12-31 12:23:09
7	Elias Mohamed	168	2022-11-09 17:57:57
8	Noellah A�es	171	2023-03-04 02:44:34
9	Noellah Añes	172	2023-08-07 13:17:37
10	Eric Pinter	172	2019-08-16 01:42:11

#	User	Length	Date
1	kasun	94	2024-01-10 16:42:06
2	Nikola Stojkovski	159	2022-08-13 12:47:16
3	Zeheng Li	175	2023-01-13 18:30:42
4	BRYAN DAVID ALVAREZ GALVIS	213	2023-10-07 16:26:03
5	Howard Tin Chi Chan	230	2021-01-30 19:31:59
6	Hidden user	239	2023-02-09 06:25:20
7	William Vearrier	245	2018-07-23 20:02:05
8	Alexandru Chivescu	264	2020-03-26 23:33:52
9	Hidden user	279	2024-02-23 23:52:01
10	Marko Doroch	280	2022-12-16 07:22:22

#	User	Length	Date
1	Cole Rauh	31	2016-10-06 01:12:40
2	Peter Menyes	31	2017-08-11 07:57:54
3	Zachary DeStefano	31	2018-09-09 21:48:29
4	Mas simo	31	2023-11-25 19:38:13
5	Hindreen Bag	33	2018-04-24 10:17:41
6	Hidden user	34	2016-08-03 05:58:49
7	Hà Minh Ngọc	34	2016-08-03 07:14:56
8	Casey Smith	37	2019-05-17 17:01:59
9	Bjørn Chr. Soltvedt	41	2016-01-06 21:32:31
10	Gabriel Lau	41	2016-03-26 17:06:12

#	User	Length	Date
1	Danny Robinson	32	2023-09-06 16:48:22
2	Timothy Gaede	38	2024-04-02 15:25:06

#	User	Length	Date
1	Simon Lixenfeld	64	2021-06-19 11:07:20
2	Jonathan Soo	74	2019-08-01 14:56:12
3	Mohsen Dehbashi	88	2019-08-08 16:53:39
4	Dmitry Shostak	91	2018-08-18 15:52:16
5	Yang Tang	97	2023-07-23 10:18:47
6	Sarek Høverstad Skotåm	100	2020-10-12 00:11:50
7	Hidden user	102	2017-11-06 06:42:46
8	Phường Lên	110	2020-01-06 00:34:21
9	Troy Warmboe	131	2020-02-11 00:53:28
10	Lewis Johnson	143	2023-09-18 23:51:25

#	User	Length	Date
1	Greg Gorlen	29	2024-02-08 03:35:08
2	Zeheng Li	42	2023-12-04 22:29:55
3	Anthony Gillespie	45	2024-01-19 01:10:20
4	Kevin Nalli	71	2024-03-01 02:25:02
5	ANDRES FELIPE GARCIA SANCHEZ	71	2024-03-11 17:14:11
6	José manuel Pérez paez	73	2024-02-29 05:23:33
7	Shehab Ahmed Hatem (CoreTiQ.com)	254	2023-11-13 22:08:22

#	User	Length	Date
1	Egor Shchetinin	62	2017-12-21 19:03:06
2	Vova Podkorytov	67	2017-12-21 19:04:19
3	Arpine Khachatryan	69	2018-04-08 17:35:42
4	Ingemar Ragnemalm	88	2017-08-06 18:49:29
5	David Connolly	92	2017-11-17 14:11:11
6	Mihail Olari	103	2023-10-21 09:58:25
7	Chester Wyke	105	2019-09-11 23:06:39
8	Vitas	214	2019-12-26 14:30:21

#	User	Length	Date
1	Hidden user	69	2023-12-06 10:47:41

#	User	Length	Date
1	Thomas Feld	15	2023-01-31 13:57:15
2	Renate	58	2021-05-10 21:21:20
3	Ilyas Mohetna	75	2019-02-19 20:07:01
4	Steven D. Wilson	92	2016-03-26 03:13:08
5	Peter Härder	105	2016-12-15 09:34:18
6	Peter Kvick	108	2020-01-26 18:24:45
7	Jerico Dela Cruz	117	2018-03-27 10:16:54
8	Marcus Hallén	124	2017-08-01 09:18:42
9	Hadi Qovaizi	163	2020-06-24 20:54:10
10	Andre Wahyudi	189	2022-12-05 11:03:41

#	User	Length	Date
1	Hakan Kjellerstrand	58	2023-03-15 23:21:04
2	Andriy Zyevakov	263	2023-03-01 19:50:37
3	Hadi Qovaizi	1033	2020-06-24 17:25:47

#	User	Length	Date
1	Asger Hautop Drewsen	19	2017-11-25 08:54:00
2	Oskar Haarklou Veileborg	19	2018-11-25 08:17:29
3	Julius Thunström	19	2023-02-08 12:49:45
4	Sander Oppen	19	2023-12-19 17:43:21
5	Andrew He	20	2016-08-12 01:05:52
6	Jonatan Nilsson	20	2018-02-12 18:10:54
7	Kuan Wei Heng	20	2018-11-22 13:14:14
8	Lars Tveito	21	2016-09-27 00:13:03
9	Thomas Feld	22	2019-08-19 12:13:28
10	Alex Van Keulen	24	2018-02-02 00:18:54

#	User	Length	Date
1	Christian Lindeström	25	2016-09-09 22:52:47
2	Andrew Fales	25	2017-11-21 01:19:27
3	PurpleMyst	25	2018-01-14 15:30:44
4	Brian Brunner	25	2018-10-31 23:29:48
5	Garfield Tong	25	2018-11-01 00:36:43
6	Michael Bujard	25	2019-01-09 05:14:02
7	Vedran Čačić	25	2019-01-14 08:38:19
8	Austin Lowery	25	2019-12-08 04:33:47
9	Josh Coward	25	2019-12-14 05:38:42
10	Magnus Hegdahl	25	2019-12-22 20:42:24

#	User	Length	Date
1	Thomas Feld	17	2022-12-05 13:02:47
2	Julian Nohr	17	2022-12-23 15:36:05
3	Frederik Spang	18	2022-09-12 13:44:15
4	Hakan Kjellerstrand	18	2023-03-15 23:28:52
5	Frederik Petersen	18	2022-10-04 18:41:52
6	Christian Cederquist	18	2022-11-12 20:49:31
7	Gustav Elmqvist	18	2023-03-05 19:30:27
8	Hidden user	18	2023-04-22 13:38:35
9	Hidden user	21	2019-02-16 17:53:17
10	Hidden user	21	2019-09-29 17:25:39

#	User	Length	Date
1	Robert Janczewski	187	2020-02-13 10:24:10
2	Dustin Ward	188	2024-05-01 17:25:38
3	Thomas	196	2022-11-05 13:20:42
4	Monique Oliveira	197	2021-07-02 06:25:37
5	Bas Dirks	214	2021-12-31 13:14:23
6	Luca Donatellis	219	2023-12-01 17:32:34
7	Florent Haratyk	223	2019-04-17 16:38:01
8	chuanhao01	233	2024-04-03 03:46:00
9	Leonardo Gurgel	237	2021-06-09 05:03:06
10	Mongkonchai Priyachiwa	239	2018-11-05 14:07:32

#	User	Length	Date
1	Cyril Chaize	321	2024-01-01 11:06:52
2	Jacques	327	2024-04-25 10:13:20

Solution running time distribution