Problem I
Track Smoothing — Problem Statistics

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Submissions	973
Accepted submissions	596
Submission ratio	61.25%
Authors	425
Full solves [?]	399
Full solve Ratio	93.88%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.32 s	Ada	2024-06-26 22:23:25

#	User	Runtime	Language	Date
1	Shirley Han	0.12 s	C	2018-09-06 04:55:23
2	Samuel Woodruff	0.12 s	C	2019-02-06 03:01:27
3	William Chen	0.12 s	C	2019-05-01 02:57:41
4	Jón Steinn Elíasson	0.13 s	C	2017-07-20 20:28:39
5	Olav Røthe Bakken	0.13 s	C	2017-11-09 21:09:55
6	Bowen Yang	0.13 s	C	2021-11-28 16:47:47
7	Hidden user	0.14 s	C	2020-04-10 05:14:15
8	Thomas Mailund	0.14 s	C	2020-11-30 13:01:09
9	Ang Wei Heng Kendrick	0.14 s	C	2021-04-02 18:25:10
10	Matthew Weston	0.14 s	C	2022-03-04 14:26:54

#	User	Runtime	Language	Date
1	Mohammadreza Javanmardi	0.71 s	C#	2016-04-25 05:53:35
2	Amir Hossein Farzaneh	0.73 s	C#	2016-04-18 23:24:53
3	Robert Low	0.83 s	C#	2016-07-21 12:47:05
4	Thomas Norris	1.41 s	C#	2020-11-15 18:38:08
5	Mikael Fiala-Lundström	1.57 s	C#	2021-04-17 16:30:32
6	Chris Wong	1.68 s	C#	2021-02-16 01:04:11

#	User	Runtime	Language	Date
1	Grae Yeandle	0.02 s	C++	2016-11-27 21:54:09
2	Donald Dong	0.03 s	C++	2018-07-05 00:11:19
3	Joel Au	0.03 s	C++	2020-06-15 08:05:43
4	Marcel Rød	0.03 s	C++	2021-11-03 20:45:09
5	Jonathan Hallström	0.03 s	C++	2022-03-21 16:31:28
6	Alexander Kravberg	0.04 s	C++	2021-12-19 19:51:16
7	Michael Roberts	0.09 s	C++	2019-06-14 06:34:42
8	Wang Zijian	0.11 s	C++	2018-09-21 12:10:14
9	Hidden user	0.12 s	C++	2013-03-06 18:53:43
10	Tomas Lagland	0.12 s	C++	2016-02-23 18:57:17

#	User	Runtime	Language	Date
1	Hidden user	0.24 s	Common Lisp	2019-08-01 06:58:59

#	User	Runtime	Language	Date
1	Norbert Voelker	0.37 s	Go	2021-04-19 00:53:38

#	User	Runtime	Language	Date
1	Caleb Surovik	0.45 s	Haskell	2021-07-09 19:16:34
2	Håkon Flatval	4.88 s	Haskell	2018-11-28 22:36:53
3	Olle Eriksson	5.05 s	Haskell	2018-09-26 00:31:31
4	Hidden user	5.37 s	Haskell	2023-01-17 13:16:52
5	Hidden user	5.43 s	Haskell	2019-08-23 12:51:03
6	Jan Hrček	5.45 s	Haskell	2020-11-10 14:14:25

#	User	Runtime	Language	Date
1	Lee Heng Sheng	0.12 s	Java	2024-05-05 05:45:44
2	Bjørn Dons	0.13 s	Java	2018-12-05 12:55:43
3	Kristoffer Borgstrøm	0.16 s	Java	2021-01-09 18:17:56
4	Sven Rönnbäck	0.16 s	Java	2022-12-20 18:48:13
5	José Vander Meulen	0.18 s	Java	2018-11-23 22:42:18
6	Erik Baalhuis	0.41 s	Java	2015-11-01 23:08:36
7	Yaswanth Kodavali	0.46 s	Java	2016-05-02 19:33:34
8	Lim Zhan Hong	0.47 s	Java	2020-05-31 06:28:42
9	Ho Lyun Jeong	0.47 s	Java	2022-02-14 01:40:30
10	Muhammad Iqbal Bin Imran	0.51 s	Java	2021-05-29 15:20:28

#	User	Runtime	Language	Date
1	John	1.65 s	JavaScript (Node.js)	2021-04-07 14:17:36
2	Chris Wong	1.70 s	JavaScript (Node.js)	2021-02-16 01:09:23
3	Andoko Chandra	3.11 s	JavaScript (Node.js)	2020-10-11 13:10:11

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.57 s	JavaScript (SpiderMonkey)	2023-01-11 23:33:53
2	Peter Menyes	0.65 s	JavaScript (SpiderMonkey)	2021-08-22 17:56:13
3	Jimmy Gustafsson	0.72 s	JavaScript (SpiderMonkey)	2024-07-07 13:20:06

#	User	Runtime	Language	Date
1	Timothy Gaede	1.32 s	Julia	2024-07-01 09:26:23

#	User	Runtime	Language	Date
1	Malte Stellmacher	0.65 s	Kotlin	2020-11-12 16:59:30
2	Adam Rankin	0.90 s	Kotlin	2023-09-03 04:38:58
3	Emil Wihlander	0.94 s	Kotlin	2023-07-27 14:38:08
4	Dayan Ruben Gonzalez	1.24 s	Kotlin	2020-10-03 20:43:03
5	Einar Kjellback	1.39 s	Kotlin	2019-12-08 23:06:52

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.45 s	Lua	2023-11-16 17:26:16

#	User	Runtime	Language	Date
1	Hidden user	0.32 s	Python 2	2018-08-01 19:18:06
2	Yanmarshus Bachtiar	0.32 s	Python 2	2024-03-14 06:44:48
3	a_b__c	0.38 s	Python 2	2021-01-27 09:37:05
4	Santhosh Boggarapu	0.47 s	Python 2	2016-04-21 23:49:20
5	Hidden user	0.49 s	Python 2	2018-01-05 02:39:31
6	Thomas Feld	0.53 s	Python 2	2019-12-11 10:47:55
7	Eric Williamson	0.56 s	Python 2	2018-01-13 23:08:41
8	Andreas Björklund	0.56 s	Python 2	2021-03-25 18:08:35
9	Jesper Öqvist	0.61 s	Python 2	2018-10-24 11:05:39
10	Johan Lyts	0.64 s	Python 2	2019-07-17 21:40:04

#	User	Runtime	Language	Date
1	Petr	0.22 s	Python 3	2022-06-08 22:00:37
2	Kévin Dubrulle	0.24 s	Python 3	2024-11-03 11:35:21
3	Rebecca Jackson	0.26 s	Python 3	2025-01-30 20:33:47
4	Bjørn Dons	0.27 s	Python 3	2022-06-08 21:44:08
5	ro011110ot	0.28 s	Python 3	2025-08-08 16:55:01
6	Marcel Rød	0.29 s	Python 3	2021-03-29 23:18:58
7	Albert Pala	0.36 s	Python 3	2023-07-16 17:54:15
8	Adrian Gugyin	0.37 s	Python 3	2020-11-16 14:21:53
9	Russell	0.38 s	Python 3	2025-09-20 17:13:32
10	Peter Stauder	0.39 s	Python 3	2022-05-08 22:14:25

#	User	Runtime	Language	Date
1	Thomas Feld	1.85 s	Ruby	2022-11-17 10:47:13

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-07-25 01:46:50
2	Hovig Manjikian	0.04 s	Rust	2020-01-18 23:13:04
3	Magix	0.12 s	Rust	2021-12-31 00:45:05
4	David Rasch	0.13 s	Rust	2023-11-09 15:26:17
5	Isak Jägberg	0.14 s	Rust	2024-10-19 22:03:37
6	Alex G	0.15 s	Rust	2020-03-09 11:41:29
7	Bas Dirks	0.18 s	Rust	2022-02-11 17:38:05
8	Pankajkumar Patro	0.24 s	Rust	2025-01-16 15:19:32
9	Eric Pinter	0.25 s	Rust	2021-11-25 20:39:48

#	User	Length	Language	Date
1	Sebastian Banert	1076	Ada	2024-06-26 22:23:25

#	User	Length	Language	Date
1	Olav Røthe Bakken	664	C	2017-11-09 21:09:55
2	Sambit Palit	690	C	2020-10-16 04:15:55
3	Ivan Petrov	827	C	2019-05-27 10:31:28
4	Mirel Cosulschi	895	C	2024-10-17 09:31:17
5	Matthew Weston	950	C	2022-03-04 14:26:54
6	Jón Steinn Elíasson	995	C	2017-07-20 20:28:39
7	Samuel Woodruff	995	C	2019-02-06 03:01:27
8	Hidden user	995	C	2020-04-10 05:14:15
9	Ang Wei Heng Kendrick	995	C	2021-04-02 18:25:10
10	Bowen Yang	995	C	2021-11-28 16:47:47

#	User	Length	Language	Date
1	Thomas Norris	1251	C#	2020-11-15 18:38:08
2	Amir Hossein Farzaneh	1484	C#	2016-04-18 23:24:53
3	Mohammadreza Javanmardi	1508	C#	2016-04-18 23:34:50
4	Robert Low	1700	C#	2016-07-21 12:47:05
5	Mikael Fiala-Lundström	1768	C#	2021-04-17 16:30:32
6	Chris Wong	1994	C#	2021-02-16 01:04:11

#	User	Length	Language	Date
1	Antonio Molina Lovett	429	C++	2016-08-07 10:58:32
2	William Gan	464	C++	2018-12-04 14:38:45
3	Rafael Kristoforus Yanto	526	C++	2025-01-29 01:32:07
4	Hidden user	530	C++	2013-03-06 18:53:43
5	Mihai Andreescu	551	C++	2015-11-01 20:05:57
6	Frederick Pek	569	C++	2021-06-06 17:37:05
7	Johan Wind	583	C++	2018-04-27 17:09:00
8	Li Jiayu	604	C++	2021-12-05 09:50:47
9	Joel Au	616	C++	2020-06-15 08:01:54
10	Ramon Silva	617	C++	2016-05-29 02:34:59

#	User	Length	Language	Date
1	Hidden user	1107	Common Lisp	2019-08-01 06:42:43

#	User	Length	Language	Date
1	Norbert Voelker	1174	Go	2021-04-19 00:53:38

#	User	Length	Language	Date
1	Hidden user	673	Haskell	2023-01-17 13:16:52
2	Caleb Surovik	954	Haskell	2021-07-09 19:16:34
3	Olle Eriksson	1027	Haskell	2018-09-26 00:31:31
4	Jan Hrček	1063	Haskell	2020-11-10 14:14:25
5	Hidden user	1323	Haskell	2019-08-23 12:51:03
6	Håkon Flatval	1553	Haskell	2018-11-28 22:36:53

#	User	Length	Language	Date
1	Amir Hossein Farzaneh	763	Java	2016-04-18 23:00:07
2	Anirudh Rahul	806	Java	2016-11-23 03:40:45
3	Prakash Sanyasi	806	Java	2019-05-15 11:52:43
4	Alexander	815	Java	2016-11-07 21:38:17
5	Caeden Whitaker	822	Java	2020-07-09 02:12:05
6	Carter Henderson	876	Java	2022-04-20 17:56:29
7	Hidden user	942	Java	2016-11-24 23:14:46
8	Darrin Wiley	966	Java	2018-08-11 21:47:03
9	Maharaj Mithu	992	Java	2023-12-22 07:02:23
10	Micah Stairs	998	Java	2016-08-18 16:11:32

#	User	Length	Language	Date
1	Andoko Chandra	1286	JavaScript (Node.js)	2020-10-11 13:10:11
2	John	1477	JavaScript (Node.js)	2021-04-07 14:17:36
3	Chris Wong	2237	JavaScript (Node.js)	2021-02-16 01:09:23

#	User	Length	Language	Date
1	Jimmy Gustafsson	257	JavaScript (SpiderMonkey)	2024-07-07 13:27:22
2	Peter Menyes	381	JavaScript (SpiderMonkey)	2021-08-22 17:58:02
3	Christian Pilegaard Cederquist	691	JavaScript (SpiderMonkey)	2023-01-11 23:33:53

#	User	Length	Language	Date
1	Timothy Gaede	917	Julia	2024-07-01 09:26:23

#	User	Length	Language	Date
1	Einar Kjellback	851	Kotlin	2019-12-08 23:06:52
2	Dayan Ruben Gonzalez	870	Kotlin	2020-10-03 20:43:03
3	Adam Rankin	901	Kotlin	2023-09-03 04:38:58
4	Emil Wihlander	930	Kotlin	2023-07-27 14:38:08
5	Malte Stellmacher	2264	Kotlin	2020-11-12 16:59:30

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	1122	Lua	2023-11-16 17:26:16

#	User	Length	Language	Date
1	Thomas Feld	309	Python 2	2019-12-11 10:47:02
2	a_b__c	373	Python 2	2021-01-27 09:37:05
3	Andreas Björklund	389	Python 2	2021-03-25 18:08:35
4	Hidden user	408	Python 2	2018-01-05 02:39:31
5	Eric Williamson	537	Python 2	2018-01-13 23:08:41
6	Jesper Öqvist	554	Python 2	2018-10-24 11:05:39
7	Johan Lyts	675	Python 2	2019-07-17 21:40:04
8	Hidden user	805	Python 2	2018-08-01 19:18:06
9	Santhosh Boggarapu	1002	Python 2	2016-04-21 23:49:20
10	Yanmarshus Bachtiar	1040	Python 2	2024-03-14 06:44:48

#	User	Length	Language	Date
1	Shashank Bhatt	258	Python 3	2024-07-19 18:28:40
2	Lex Janssens	272	Python 3	2025-09-27 09:55:40
3	Yong Mao	274	Python 3	2023-05-26 03:29:19
4	Ahmed Chamseddine	275	Python 3	2024-08-02 14:11:58
5	Charles Ancheta	276	Python 3	2023-04-09 08:53:50
6	Tai Tze Kin	291	Python 3	2024-05-02 23:47:59
7	Thibault Raffaillac	308	Python 3	2023-08-02 20:33:20
8	M Base 2	327	Python 3	2020-07-08 06:49:53
9	Paul Swingle	328	Python 3	2022-12-08 21:17:09
10	Jason Cannon	329	Python 3	2019-11-06 21:56:46

#	User	Length	Language	Date
1	Thomas Feld	179	Ruby	2022-11-17 10:47:13

#	User	Length	Language	Date
1	David Rasch	960	Rust	2023-11-09 15:26:17
2	Pankajkumar Patro	1217	Rust	2025-01-16 15:19:32
3	Hovig Manjikian	1294	Rust	2020-01-18 17:34:24
4	Isak Jägberg	1655	Rust	2024-10-19 22:03:37
5	Eric Pinter	1768	Rust	2021-11-25 20:39:48
6	Bas Dirks	1972	Rust	2022-02-11 17:38:05
7	Alex G	2027	Rust	2020-03-09 11:41:29
8	Magix	2308	Rust	2021-12-31 00:45:05
9	Vincent Lagerros	7016	Rust	2024-08-02 16:28:05

Solution running time distribution