Problem C
Watchdog — Problem Statistics

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Submissions	1721
Accepted submissions	872
Submission ratio	50.67%
Authors	763
Full solves [?]	686
Full solve Ratio	89.91%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-07-04 15:31:16
2	Sambit Palit	0.00 s	C	2020-09-05 01:32:26
3	cikog54399@bboygarage.com	0.00 s	C	2020-12-03 10:05:52
4	Nelson Dan	0.00 s	C	2021-12-05 13:00:27
5	Marcus Forssell Stahre	0.01 s	C	2005-09-22 09:43:21
6	Martin Jackson	0.01 s	C	2017-05-14 01:30:12
7	PhilCampbell	0.01 s	C	2021-02-15 15:51:47
8	Saraswathi (Kunju) Menon	0.01 s	C	2025-01-22 05:33:57
9	Jonatan Nougbele	0.02 s	C	2017-05-17 11:20:55
10	Stevenson	0.02 s	C	2024-11-29 19:48:39

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	C#	2019-04-20 20:38:55
2	Thomas Norris	0.03 s	C#	2020-11-17 17:11:34
3	Robert Warnestam	0.03 s	C#	2021-03-26 22:00:57
4	Marcus Elg	0.04 s	C#	2020-11-12 15:31:26
5	Oskar Smedenmark	0.04 s	C#	2022-07-26 16:59:47
6	Mikael Fiala-Lundström	0.07 s	C#	2022-02-08 18:27:31
7	Göran Andersson	0.09 s	C#	2022-05-20 12:55:39
8	Hidden user	0.18 s	C#	2020-09-11 18:58:07
9	Björn Rundquist	0.29 s	C#	2022-10-05 16:31:29
10	Adam Imbert	0.34 s	C#	2020-12-15 02:58:21

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.26 s	F#	2022-12-23 09:58:52

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2021-05-08 20:03:16
2	Ian Howell	0.14 s	Go	2021-02-05 21:22:09

#	User	Runtime	Language	Date
1	Gaston Gilbert	0.02 s	Haskell	2020-10-27 19:19:11
2	Hidden user	0.03 s	Haskell	2023-01-22 01:04:52
3	Brent Yorgey	0.04 s	Haskell	2018-06-09 21:58:55
4	Jan Hrček	0.04 s	Haskell	2021-03-16 18:09:04
5	Hidden user	0.07 s	Haskell	2019-09-23 11:15:48
6	Steinar Simonnes	0.07 s	Haskell	2024-02-12 13:28:41
7	Noel Kwan	0.11 s	Haskell	2020-06-09 17:02:10
8	Erik von Brömssen	0.13 s	Haskell	2021-06-19 15:09:07
9	Flocon de Son	0.14 s	Haskell	2020-06-12 08:38:05
10	Chan Ken	0.16 s	Haskell	2021-08-17 17:12:07

#	User	Runtime	Language	Date
1	William Fiset	0.07 s	Java	2017-02-17 16:04:05
2	Sven Rönnbäck	0.07 s	Java	2023-03-25 16:27:50
3	Martijn Muijsers	0.08 s	Java	2017-03-01 21:07:13
4	Hans Gylling	0.09 s	Java	2010-05-29 09:26:21
5	Steven Cheng	0.09 s	Java	2018-05-22 15:35:50
6	Stela Palii	0.11 s	Java	2018-01-12 11:52:24
7	Luke Eales	0.13 s	Java	2023-12-04 13:29:06
8	Andreas Jansson	0.15 s	Java	2021-01-18 19:46:52
9	Aaron Zhou	0.15 s	Java	2023-04-07 18:36:41
10	Kadin Tang	0.16 s	Java	2020-12-23 05:16:15

#	User	Runtime	Language	Date
1	Peter Kedemo	0.47 s	JavaScript (Node.js)	2020-01-02 10:38:41
2	Ismail Tahiri	0.54 s	JavaScript (Node.js)	2020-07-12 23:49:51
3	Oscar Peulicke	0.59 s	JavaScript (Node.js)	2020-10-23 16:44:25
4	Andoko Chandra	0.62 s	JavaScript (Node.js)	2020-10-21 05:05:05
5	Marc Fong	0.76 s	JavaScript (Node.js)	2021-05-06 18:58:25
6	Samuel Högfeldt	0.76 s	JavaScript (Node.js)	2022-07-18 16:16:44
7	Bas Dirks	0.88 s	JavaScript (Node.js)	2021-12-21 18:55:48

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-02-08 20:59:00
2	Peter Menyes	0.09 s	JavaScript (SpiderMonkey)	2021-10-13 19:21:14
3	Bjørn Chr. Soltvedt	0.14 s	JavaScript (SpiderMonkey)	2017-02-09 02:26:41
4	Andri Andresson	0.14 s	JavaScript (SpiderMonkey)	2018-04-25 18:49:12
5	Zach Tschetter	0.23 s	JavaScript (SpiderMonkey)	2025-07-26 02:37:06

#	User	Runtime	Language	Date
1	Timothy Gaede	0.72 s	Julia	2024-04-17 06:45:17

#	User	Runtime	Language	Date
1	Mike Wilkes	0.29 s	Kotlin	2018-02-22 04:19:39
2	Colin Gay	0.34 s	Kotlin	2019-05-24 07:01:41
3	Suyash Sinha	0.38 s	Kotlin	2023-09-19 12:49:43
4	Adam Rankin	0.44 s	Kotlin	2023-08-26 01:22:56
5	Neil Harmon	0.55 s	Kotlin	2019-05-14 10:59:59
6	Hidden user	0.66 s	Kotlin	2022-07-22 18:00:46

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.03 s	Pascal	2018-08-17 20:45:18

#	User	Runtime	Language	Date
1	Brynjar Sigurðsson	0.08 s	Python 2	2018-04-24 16:05:01
2	Jesper Öqvist	0.08 s	Python 2	2018-10-27 18:05:02
3	Bjarki Ágúst Guðmundsson	0.09 s	Python 2	2018-04-24 16:00:20
4	Thomas Feld	0.09 s	Python 2	2019-10-24 15:45:49
5	Samuel Holmin	0.11 s	Python 2	2019-05-11 23:16:55
6	Yanmarshus Bachtiar	0.11 s	Python 2	2020-10-27 02:49:36
7	Ismail Tigrek	0.12 s	Python 2	2017-11-11 20:54:49
8	Lars Åström	0.12 s	Python 2	2019-10-18 15:59:48
9	Isaac Lee	0.15 s	Python 2	2019-12-15 21:57:51
10	Andreas Björklund	0.21 s	Python 2	2019-03-08 16:50:31

#	User	Runtime	Language	Date
1	Björn Gunnarsson	0.05 s	Python 3	2018-04-26 12:50:08
2	Ryan Tan	0.07 s	Python 3	2025-07-22 17:51:08
3	Dominic Berzin Chua Way Gin	0.08 s	Python 3	2025-04-17 11:49:54
4	Carter Bridges	0.08 s	Python 3	2025-05-06 20:33:55
5	Jose Mauricio Nuñez Valencia	0.08 s	Python 3	2025-10-24 20:20:11
6	Santiago López Tajonar	0.08 s	Python 3	2025-11-12 04:54:00
7	Vincent Tandya	0.09 s	Python 3	2019-02-26 06:04:36
8	Christian Lebeda	0.09 s	Python 3	2020-07-13 09:03:43
9	Martin Fesser	0.09 s	Python 3	2020-08-13 12:39:27
10	Petr	0.09 s	Python 3	2022-07-03 22:22:27

#	User	Runtime	Language	Date
1	Christofer Nolander	0.00 s	Rust	2019-02-01 17:31:43
2	Alex G	0.00 s	Rust	2020-03-13 01:37:11
3	Morris Hansing	0.00 s	Rust	2021-02-10 14:05:57
4	Morten Lohne	0.00 s	Rust	2021-08-17 20:40:45
5	Daniel Anker Hermansen	0.00 s	Rust	2022-12-29 22:55:11
6	Robert Janczewski	0.01 s	Rust	2020-02-07 23:32:51
7	Joacim Norlén	0.01 s	Rust	2021-04-22 09:31:25
8	Giang Đào	0.01 s	Rust	2023-01-08 15:14:16
9	Eskil Queseth	0.05 s	Rust	2020-02-08 17:47:04

#	User	Runtime	Language	Date
1	Anton J Olsson	0.19 s	TypeScript	2023-08-05 18:50:31

#	User	Length	Language	Date
1	Ivan Petrov	660	C	2019-07-04 15:31:16
2	cikog54399@bboygarage.com	1028	C	2020-12-03 10:05:52
3	Nelson Dan	1099	C	2021-12-05 13:00:27
4	Max McGinty	1543	C	2025-05-06 22:34:25
5	Martin Jackson	1669	C	2017-05-14 01:30:12
6	Marcus Forssell Stahre	1705	C	2005-09-22 09:43:21
7	Sambit Palit	1868	C	2020-09-05 01:32:26
8	Saraswathi (Kunju) Menon	1879	C	2025-01-22 05:33:57
9	PhilCampbell	1993	C	2021-02-15 15:51:47
10	Jonatan Nougbele	2183	C	2017-05-17 11:20:55

#	User	Length	Language	Date
1	Thomas Norris	1437	C#	2020-11-17 17:11:34
2	Göran Andersson	1605	C#	2022-05-20 12:55:39
3	Hidden user	2682	C#	2020-09-11 18:58:07
4	Zack Latta	2702	C#	2025-05-03 21:24:33
5	Björn Rundquist	2810	C#	2022-10-05 16:31:29
6	Marcus Elg	2814	C#	2020-11-12 15:31:26
7	Adam Imbert	3012	C#	2020-12-15 02:58:21
8	Oskar Smedenmark	3755	C#	2022-07-26 16:59:47
9	Csaba Varga	4809	C#	2020-06-06 21:31:53
10	Hidden user	4822	C#	2019-04-20 20:38:55

#	User	Length	Language	Date
1	Hidden user	536	C++	2020-01-27 21:43:25
2	Johan Wind	622	C++	2018-05-05 18:41:24
3	Frederick Pek	639	C++	2021-06-15 09:10:51
4	Armen Andreasyan	651	C++	2017-06-11 13:42:36
5	Josenildo Silva	697	C++	2018-08-04 15:48:03
6	Đoàn Công Chính	711	C++	2018-12-22 06:04:01
7	Bbshsh Si	734	C++	2021-04-22 18:56:42
8	Grae Yeandle	738	C++	2017-02-25 16:55:36
9	Josh Howell	760	C++	2021-02-23 19:37:11
10	Jason Zhao	773	C++	2024-10-10 05:36:55

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1432	F#	2022-12-23 09:58:52

#	User	Length	Language	Date
1	Ian Howell	1229	Go	2021-02-05 21:22:09
2	Norbert Voelker	1804	Go	2021-05-08 20:06:13

#	User	Length	Language	Date
1	Hidden user	879	Haskell	2023-01-22 01:04:52
2	Steinar Simonnes	1159	Haskell	2024-02-12 13:28:16
3	Erik von Brömssen	1553	Haskell	2021-06-19 15:09:07
4	Flocon de Son	1835	Haskell	2020-06-12 08:38:05
5	Joshua Zygmunt	1840	Haskell	2020-12-26 17:21:43
6	Jan Hrček	1999	Haskell	2021-03-16 18:09:04
7	Brent Yorgey	2205	Haskell	2018-06-09 21:58:55
8	Chan Ken	2246	Haskell	2021-08-17 17:12:07
9	Noel Kwan	2899	Haskell	2020-06-09 17:02:10
10	Hidden user	6293	Haskell	2019-09-23 11:15:48

#	User	Length	Language	Date
1	Doug Goodman	834	Java	2018-06-12 23:16:13
2	Evan Michael Bailey	917	Java	2022-06-04 07:51:49
3	Caeden Whitaker	1005	Java	2020-07-23 07:13:16
4	Eric Leow Yu Quan	1134	Java	2021-01-11 08:45:43
5	Andreas Jansson	1223	Java	2021-01-18 19:46:52
6	Micah Stairs	1247	Java	2017-04-05 03:27:47
7	Ben Blodgett	1340	Java	2024-08-31 20:09:21
8	Morten Blørstad	1351	Java	2021-02-14 11:43:59
9	Crystal Sharpe	1393	Java	2020-03-31 05:17:22
10	Sam Farrell	1426	Java	2021-05-24 08:54:49

#	User	Length	Language	Date
1	Oscar Peulicke	952	JavaScript (Node.js)	2020-10-23 16:44:25
2	Peter Kedemo	1380	JavaScript (Node.js)	2020-01-02 10:38:41
3	Ismail Tahiri	1516	JavaScript (Node.js)	2020-07-12 23:49:51
4	Samuel Högfeldt	1816	JavaScript (Node.js)	2022-07-18 16:16:44
5	Bas Dirks	2104	JavaScript (Node.js)	2021-12-21 18:55:48
6	Marc Fong	2106	JavaScript (Node.js)	2021-05-06 18:59:41
7	Andoko Chandra	2237	JavaScript (Node.js)	2020-10-21 05:05:05

#	User	Length	Language	Date
1	Peter Menyes	692	JavaScript (SpiderMonkey)	2021-10-13 20:19:48
2	Christian Pilegaard Cederquist	824	JavaScript (SpiderMonkey)	2023-02-08 20:59:00
3	Bjørn Chr. Soltvedt	1039	JavaScript (SpiderMonkey)	2017-02-09 02:26:41
4	Zach Tschetter	1698	JavaScript (SpiderMonkey)	2025-07-26 02:37:06
5	Andri Andresson	1721	JavaScript (SpiderMonkey)	2018-04-25 18:49:12

#	User	Length	Language	Date
1	Timothy Gaede	1976	Julia	2024-04-17 06:45:17

#	User	Length	Language	Date
1	Colin Gay	928	Kotlin	2019-05-24 07:01:41
2	Adam Rankin	1150	Kotlin	2023-08-26 01:22:56
3	Suyash Sinha	1424	Kotlin	2023-09-19 12:49:43
4	Hidden user	1954	Kotlin	2022-07-22 18:00:46
5	Mike Wilkes	2119	Kotlin	2018-02-22 04:19:39
6	Neil Harmon	2510	Kotlin	2019-05-14 10:59:59

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1349	Pascal	2018-08-17 20:45:18

#	User	Length	Language	Date
1	Thomas Feld	387	Python 2	2019-10-24 15:45:49
2	Lars Åström	557	Python 2	2019-10-18 15:59:48
3	Andreas Björklund	677	Python 2	2019-03-08 16:50:31
4	Jesper Öqvist	728	Python 2	2018-10-27 18:05:02
5	Samuel Holmin	741	Python 2	2019-05-11 23:16:55
6	Jonatan Nilsson	760	Python 2	2018-07-01 10:00:01
7	Henrik Adolfsson	803	Python 2	2017-05-14 10:24:39
8	Yanmarshus Bachtiar	846	Python 2	2020-10-27 02:49:36
9	Johan Lyts	856	Python 2	2020-06-23 21:17:10
10	Isaac Lee	895	Python 2	2019-12-15 21:57:51

#	User	Length	Language	Date
1	Benjamin Z White	272	Python 3	2023-05-26 21:55:11
2	Charles Ancheta	298	Python 3	2023-04-18 22:57:20
3	Ahmed Chamseddine	332	Python 3	2024-08-22 16:55:15
4	Jayden Pahukula	334	Python 3	2023-10-19 01:31:35
5	Yong Mao	346	Python 3	2023-10-03 00:33:14
6	Thibault Raffaillac	347	Python 3	2024-08-05 18:54:08
7	Artur Khuziakhmetov	419	Python 3	2025-02-12 09:46:03
8	Timothy Baeckelant	445	Python 3	2024-01-22 23:02:24
9	Vedran Čačić	447	Python 3	2019-03-27 20:52:35
10	M Base 2	447	Python 3	2021-05-28 20:52:13

#	User	Length	Language	Date
1	Morris Hansing	1621	Rust	2021-02-10 14:05:57
2	Morten Lohne	1652	Rust	2021-08-17 20:40:45
3	Robert Janczewski	2126	Rust	2020-02-07 23:32:51
4	Joacim Norlén	2213	Rust	2021-04-22 09:31:25
5	Eskil Queseth	2472	Rust	2020-02-08 17:47:04
6	Christofer Nolander	3296	Rust	2019-02-01 17:31:43
7	Alex G	3347	Rust	2020-03-13 01:37:11
8	Giang Đào	7866	Rust	2023-01-08 15:14:16
9	Daniel Anker Hermansen	23294	Rust	2022-12-29 22:55:11

#	User	Length	Language	Date
1	Anton J Olsson	2990	TypeScript	2023-08-05 18:50:31

Solution running time distribution