Problem A
Santa Klas — Problem Statistics

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Submissions	3353
Accepted submissions	1059
Submission ratio	31.58%
Authors	1053
Full solves [?]	908
Full solve Ratio	86.23%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-08-29 15:03:37

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-02-19 23:49:44
2	Mads Storm Hansen	0.02 s	C#	2015-07-20 13:50:16
3	Bryan Shiffman	0.02 s	C#	2015-09-14 03:56:22
4	Andrzej Krajniak	0.02 s	C#	2016-11-02 17:31:21
5	Marek	0.02 s	C#	2016-11-02 18:06:05
6	Tomaž Kramer	0.02 s	C#	2016-11-26 17:48:55
7	Klas af Geijerstam	0.02 s	C#	2017-04-11 17:21:33
8	Angela Secci	0.02 s	C#	2017-12-20 11:28:52
9	Øyvind Skaar	0.02 s	C#	2018-12-13 23:24:39
10	Arvid Sörfeldt	0.02 s	C#	2019-01-24 12:47:03

#	User	Runtime	Language	Date
1	Hugo Sansaqua	0.01 s	Common Lisp	2020-11-27 17:39:53

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Dart	2023-07-27 20:14:05

#	User	Runtime	Language	Date
1	Erik Buur Christensen	0.04 s	F#	2023-12-15 15:17:54
2	Jesper Bengtson	0.07 s	F#	2020-11-27 16:59:25
3	Jacob Harris Cryer Kragh	0.07 s	F#	2023-04-15 19:35:03

#	User	Runtime	Language	Date
1	Theo Coyne Morgan	0.07 s	Go	2019-03-27 19:03:57
2	Thomas Mailund	0.08 s	Go	2020-11-24 12:44:34
3	Norbert Voelker	0.08 s	Go	2021-07-22 19:27:37

#	User	Runtime	Language	Date
1	Hussin Suleiman	0.04 s	Java	2024-10-08 16:47:31
2	Donald Trump	0.04 s	Java	2024-12-28 00:51:23
3	Rijubak Karmakar	0.04 s	Java	2025-03-14 23:16:46
4	Simon Klein	0.05 s	Java	2012-04-04 17:25:07
5	Erik Odenman	0.05 s	Java	2012-04-04 17:49:44
6	Henrik Sandström	0.05 s	Java	2015-01-28 18:22:05
7	Dennis Ang	0.05 s	Java	2015-09-24 12:25:01
8	Pål Forsberg	0.05 s	Java	2015-10-08 16:58:09
9	Nick Wu	0.05 s	Java	2015-10-14 10:31:41
10	Hidden user	0.05 s	Java	2015-12-17 09:39:56

#	User	Runtime	Language	Date
1	Carles Bordas	0.08 s	JavaScript (Node.js)	2023-07-12 19:37:28
2	Ankit Agrawal	0.09 s	JavaScript (Node.js)	2022-09-29 22:09:22
3	Ster Sar	0.09 s	JavaScript (Node.js)	2023-06-18 23:13:24
4	Michele Fenu	0.41 s	JavaScript (Node.js)	2019-11-30 13:50:53

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-04-12 21:25:04
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-28 13:30:47
3	Nah Yi Feng	0.01 s	JavaScript (SpiderMonkey)	2017-11-09 03:50:27
4	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-05-25 07:07:55

#	User	Runtime	Language	Date
1	Timothy Gaede	0.56 s	Julia	2024-05-22 16:26:05

#	User	Runtime	Language	Date
1	Lam Gia Thuan	0.15 s	Kotlin	2017-10-31 23:50:39
2	Neil Harmon	0.18 s	Kotlin	2019-10-03 10:04:26
3	Adam Rankin	0.18 s	Kotlin	2023-09-02 05:03:11
4	Phường Lên	0.20 s	Kotlin	2019-10-26 00:35:08

#	User	Runtime	Language	Date
1	Erik K	0.00 s	OCaml	2020-12-31 07:51:28

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-05-20 10:21:34

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2018-12-08 11:27:49

#	User	Runtime	Language	Date
1	Daniel Palmqvist	0.02 s	Python 2	2014-11-24 21:24:42
2	Kristmundur Agust	0.02 s	Python 2	2015-02-25 19:42:39
3	Christofer Ohlsson	0.02 s	Python 2	2015-04-02 22:47:17
4	Mayur Mohite	0.02 s	Python 2	2015-04-14 21:10:01
5	Johan Wind	0.02 s	Python 2	2015-09-16 18:04:13
6	Jonas Kylling	0.02 s	Python 2	2015-09-17 18:08:46
7	Snild Dolkow	0.02 s	Python 2	2015-10-18 17:53:44
8	Arend van Erk	0.02 s	Python 2	2015-11-11 01:46:37
9	Asger Hautop Drewsen	0.02 s	Python 2	2015-11-21 02:40:20
10	Marko Lazic	0.02 s	Python 2	2016-07-28 12:03:02

#	User	Runtime	Language	Date
1	Martin Stensgård	0.02 s	Python 3	2015-03-22 05:23:50
2	James Elías Sigurðarson	0.02 s	Python 3	2015-06-04 22:06:27
3	Tomaž Kramer	0.02 s	Python 3	2015-08-14 11:09:44
4	Tomaž Kramer	0.02 s	Python 3	2015-08-14 11:11:43
5	Rick van Rheenen	0.02 s	Python 3	2016-04-22 18:13:28
6	Nathan Collins	0.02 s	Python 3	2016-08-28 21:51:08
7	Estefania Sanchez	0.02 s	Python 3	2017-02-10 06:12:55
8	Eduardo Herrera	0.02 s	Python 3	2017-03-13 23:35:07
9	Ram Basnet	0.02 s	Python 3	2017-03-21 00:00:18
10	Yana Besklubnaya	0.02 s	Python 3	2017-04-18 20:33:15

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-01-30 14:33:09

#	User	Runtime	Language	Date
1	Albert Rise Nielsen	0.00 s	Rust	2020-11-27 16:18:42
2	Bas Dirks	0.00 s	Rust	2022-07-13 12:33:31
3	Vincent Lagerros	0.00 s	Rust	2024-08-30 17:33:43
4	Artur Khuziakhmetov	0.00 s	Rust	2025-01-16 11:42:30

#	User	Length	Language	Date
1	Thomas Feld	54	APL	2023-08-29 15:03:37

#	User	Length	Language	Date
1	Mohamed Hojeij	209	C	2019-10-12 18:04:38
2	Marc Patrick Celon	220	C	2016-04-30 07:55:32
3	Thibault Raffaillac	223	C	2012-04-04 17:33:46
4	Reine Reynoso	248	C	2016-04-30 07:17:00
5	曾家祐	256	C	2021-12-15 13:21:28
6	M.S. Musumeci	274	C	2024-11-29 18:14:15
7	Ioannis Br	309	C	2019-12-13 22:35:25
8	Hidden user	340	C	2017-12-04 05:11:19
9	Jack Gurdin	356	C	2022-09-29 19:07:48
10	Jón Steinn Elíasson	364	C	2017-06-12 19:41:51

#	User	Length	Language	Date
1	Klas af Geijerstam	365	C#	2017-04-11 17:21:33
2	Hugo Oskarsson	493	C#	2019-05-13 08:52:42
3	Christian Ramus	531	C#	2023-04-03 20:24:47
4	Danil Danilchenko	596	C#	2020-03-01 11:36:14
5	Volodymyr Besida	596	C#	2020-03-10 20:57:36
6	Dave Campbell	768	C#	2023-04-01 02:37:36
7	Mikael Fiala-Lundström	861	C#	2021-06-17 21:40:18
8	Gurpartap Singh Bhatti	864	C#	2019-07-12 21:40:26
9	Marek	879	C#	2016-11-02 18:06:05
10	Nils Lenart	903	C#	2020-03-13 14:13:01

#	User	Length	Language	Date
1	Adam Green	156	C++	2023-01-23 09:44:01
2	Way Tan	168	C++	2018-12-02 14:22:29
3	Zane Yu	183	C++	2019-01-09 11:59:08
4	Herman Karlsson	209	C++	2015-02-14 13:14:38
5	Alfredo Beaumont	210	C++	2018-01-18 01:05:54
6	Nguyễn Công Cường	211	C++	2022-05-07 11:22:12
7	Hidden user	213	C++	2017-05-05 15:35:42
8	Jayden Wong	220	C++	2025-12-20 19:09:12
9	盛宇航	224	C++	2020-11-25 13:40:52
10	Danzel Artamadja	224	C++	2021-05-31 15:17:22

#	User	Length	Language	Date
1	Hugo Sansaqua	2805	Common Lisp	2020-11-28 04:36:17

#	User	Length	Language	Date
1	Hidden user	572	Dart	2023-07-27 20:14:05

#	User	Length	Language	Date
1	Erik Buur Christensen	337	F#	2023-12-15 15:17:54
2	Jacob Harris Cryer Kragh	556	F#	2023-04-15 19:35:03
3	Jesper Bengtson	1899	F#	2020-11-27 16:59:25

#	User	Length	Language	Date
1	Theo Coyne Morgan	218	Go	2019-03-27 19:03:57
2	Thomas Mailund	406	Go	2020-11-24 12:44:34
3	Norbert Voelker	590	Go	2021-07-22 19:27:37

#	User	Length	Language	Date
1	Jannik Olbrich	212	Haskell	2022-12-19 19:11:56
2	Gustav Kristensen	225	Haskell	2025-11-28 17:56:23
3	Agus Sentosa Hermawan	291	Haskell	2021-10-31 16:00:50
4	Consuelo Gómez Gómez	367	Haskell	2017-04-24 00:20:50
5	Christian Leipe	369	Haskell	2015-11-01 16:39:34
6	César Antonio Carvajal de la Haza	375	Haskell	2017-04-23 21:25:10
7	Tobias Bengtsson	458	Haskell	2018-11-13 16:54:12
8	Johan Meier	472	Haskell	2016-12-30 19:10:12
9	Patrik Lilja	496	Haskell	2016-01-16 12:17:40
10	Jan Hrček	511	Haskell	2021-04-11 11:03:29

#	User	Length	Language	Date
1	Hridyanshu Aatreya	244	Java	2023-04-11 10:46:49
2	John Hershey	276	Java	2022-11-16 20:56:53
3	Prakash Sanyasi	301	Java	2017-04-12 17:05:57
4	Destiny Bailey	322	Java	2020-10-31 17:35:42
5	Stela Palii	332	Java	2017-11-26 02:36:03
6	Felix Burie	339	Java	2016-12-05 13:54:26
7	Åke Wettergren	342	Java	2017-10-08 10:06:21
8	Doug Goodman	347	Java	2018-04-24 21:34:52
9	Leslie Yip	362	Java	2023-07-06 04:43:51
10	Stephen Atwood	366	Java	2016-09-24 09:24:32

#	User	Length	Language	Date
1	Carles Bordas	370	JavaScript (Node.js)	2023-07-12 19:37:28
2	Michele Fenu	458	JavaScript (Node.js)	2019-11-30 13:50:53
3	Ankit Agrawal	483	JavaScript (Node.js)	2022-09-29 22:09:22
4	Ster Sar	534	JavaScript (Node.js)	2023-06-18 23:13:24

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	79	JavaScript (SpiderMonkey)	2023-05-25 07:10:50
2	Peter Kedemo	213	JavaScript (SpiderMonkey)	2016-04-12 21:25:04
3	Bjørn Chr. Soltvedt	219	JavaScript (SpiderMonkey)	2016-07-28 13:30:47
4	Nah Yi Feng	325	JavaScript (SpiderMonkey)	2017-11-09 03:50:27

#	User	Length	Language	Date
1	Timothy Gaede	215	Julia	2024-05-22 16:26:05

#	User	Length	Language	Date
1	Adam Rankin	229	Kotlin	2023-09-02 05:03:11
2	Lam Gia Thuan	380	Kotlin	2017-10-31 23:50:39
3	Phường Lên	584	Kotlin	2019-10-26 00:35:08
4	Neil Harmon	793	Kotlin	2019-10-03 10:04:26

#	User	Length	Language	Date
1	Erik K	263	OCaml	2020-12-31 08:27:04

#	User	Length	Language	Date
1	Ingemar Ragnemalm	249	Pascal	2018-05-20 10:21:34

#	User	Length	Language	Date
1	Andriy Zyevakov	202	Prolog	2018-12-08 11:27:49

#	User	Length	Language	Date
1	Thomas Feld	114	Python 2	2019-09-12 11:54:18
2	Andreas Björklund	139	Python 2	2019-12-26 09:55:02
3	Johan Wind	142	Python 2	2015-09-16 18:04:13
4	Wang Zhi Jian	147	Python 2	2019-05-09 06:25:45
5	Johan Lyts	159	Python 2	2019-11-26 21:51:58
6	Asger Hautop Drewsen	171	Python 2	2015-11-21 02:40:20
7	Haggai Liu	173	Python 2	2017-12-12 03:37:12
8	Sigurður Jens Albertsson	178	Python 2	2017-11-21 15:47:13
9	William Gan	178	Python 2	2017-12-24 07:42:29
10	Claudius Sundlöf	179	Python 2	2017-09-28 23:02:57

#	User	Length	Language	Date
1	Daniel Bogorad	87	Python 3	2025-12-20 19:25:35
2	Lee Isaac	98	Python 3	2023-01-23 23:00:09
3	Nino Bašić	100	Python 3	2023-01-09 00:15:33
4	Ahmed Chamseddine	108	Python 3	2024-07-04 11:58:24
5	David Aldenbro	109	Python 3	2025-10-23 15:40:29
6	Nicholas Russell Saerang	116	Python 3	2025-06-22 20:09:31
7	vance	117	Python 3	2020-02-03 10:15:32
8	Chance Loveday	117	Python 3	2025-01-22 17:27:56
9	Lars Åström	121	Python 3	2017-12-05 11:17:34
10	Tai Tze Kin	127	Python 3	2024-05-11 12:21:26

#	User	Length	Language	Date
1	Thomas Feld	70	Ruby	2023-01-30 14:48:56

#	User	Length	Language	Date
1	Vincent Lagerros	249	Rust	2024-08-30 17:34:38
2	Artur Khuziakhmetov	494	Rust	2025-01-16 11:42:30
3	Bas Dirks	502	Rust	2022-07-13 12:33:31
4	Albert Rise Nielsen	634	Rust	2020-11-27 16:18:42

Solution running time distribution