Problem D
Deduplicating Files — Problem Statistics

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Submissions	5405
Accepted submissions	1535
Submission ratio	28.40%
Authors	1442
Accepted authors	1113
Author ratio	77.18%

#	User	Runtime	Language	Date
1	Flep	0.01 s	C	2020-02-16 12:02:48
2	Hidden user	0.01 s	C	2023-11-23 20:26:23
3	Hidden user	0.02 s	C	2016-05-08 09:31:09
4	Bergur Snorrason	0.02 s	C	2018-12-06 14:28:45
5	Jiangfeng Du	0.03 s	C	2019-07-19 13:45:47
6	Raymond Yang	0.03 s	C	2020-01-08 01:01:58

#	User	Runtime	Language	Date
1	Greens Parker	0.06 s	C#	2017-06-16 23:48:13
2	Guðmundur Már Kristmundsson	0.09 s	C#	2022-04-27 23:27:54
3	Andriy Zyevakov	0.10 s	C#	2025-03-04 19:14:49
4	Bachir Diop	0.51 s	C#	2018-12-12 18:40:35
5	Moo	0.53 s	C#	2017-07-18 23:28:14

#	User	Runtime	Language	Date
1	Muhammad Irham Rasyidi	0.01 s	C++	2018-01-25 05:21:42
2	Luke Neruud Nav	0.01 s	C++	2019-09-14 22:32:49
3	Hidden user	0.01 s	C++	2021-05-03 13:13:02
4	Ayush Ram	0.01 s	C++	2022-01-05 03:39:29
5	Lyubomir Savekov	0.01 s	C++	2022-10-24 12:33:40
6	Khang Phu Hong Can Pham	0.01 s	C++	2024-01-09 03:57:56
7	Lew Choon Hean	0.01 s	C++	2025-04-23 14:33:26
8	Valeriu Motroi	0.02 s	C++	2016-04-26 09:14:25
9	Hidden user	0.02 s	C++	2016-07-30 06:32:54
10	Miguel Angel Perez Colula	0.02 s	C++	2016-08-05 22:02:46

#	User	Runtime	Language	Date
1	Husain Satan	0.03 s	Go	2023-11-07 18:15:58
2	Paul Boddington	0.13 s	Go	2016-05-20 02:58:36
3	Michael Laszlo	0.13 s	Go	2016-10-22 04:19:13
4	Ricardo Alonzo	0.15 s	Go	2019-12-09 23:01:20

#	User	Runtime	Language	Date
1	Max Jackson	0.03 s	Haskell	2016-05-04 16:00:39
2	Vasiliy Kevroletin	0.06 s	Haskell	2018-05-16 04:46:11
3	mniip	0.06 s	Haskell	2025-06-09 10:52:49
4	Dylan Thinnes	0.16 s	Haskell	2025-06-09 11:39:02
5	Gregory Swiader	0.16 s	Haskell	2025-06-09 14:59:16
6	Brent Yorgey	0.19 s	Haskell	2017-10-04 13:46:48
7	Qi Ji	0.22 s	Haskell	2018-07-06 20:18:40
8	Nathan van Doorn	0.29 s	Haskell	2025-06-09 10:58:29
9	Tristan de Cacqueray	0.51 s	Haskell	2025-06-15 08:13:07

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.11 s	Java	2023-05-05 18:15:59
2	Martijn Muijsers	0.17 s	Java	2017-03-25 03:44:30
3	Nguyễn Mạnh Phúc	0.19 s	Java	2018-08-07 10:03:46
4	Crystal Sharpe	0.19 s	Java	2020-08-07 09:01:13
5	Marco Vincenzo Karaan	0.20 s	Java	2016-02-27 08:14:33
6	Emil Bak-Møller	0.20 s	Java	2020-04-13 22:18:32
7	Nick Wu	0.21 s	Java	2016-07-10 07:02:04
8	Miguel Angel Torres	0.22 s	Java	2017-09-10 23:53:06
9	Santiago Gutierrez	0.23 s	Java	2017-09-10 04:32:51
10	Andres Felipe Borrero	0.23 s	Java	2017-10-27 05:15:21

#	User	Runtime	Language	Date
1	Zakaria Sabra	0.39 s	JavaScript (Node.js)	2019-05-05 22:04:55

#	User	Runtime	Language	Date
1	Michael Laszlo	0.12 s	JavaScript (SpiderMonkey)	2016-10-22 04:10:55
2	Christian Cederquist	0.14 s	JavaScript (SpiderMonkey)	2023-07-06 07:16:47
3	Bjørn Chr. Soltvedt	0.16 s	JavaScript (SpiderMonkey)	2022-11-08 19:56:00

#	User	Runtime	Language	Date
1	Timothy Gaede	0.89 s	Julia	2024-07-30 06:44:58

#	User	Runtime	Language	Date
1	Mikael Hedin	0.36 s	Kotlin	2017-11-17 12:58:56
2	Adam Rankin	0.51 s	Kotlin	2023-09-09 03:27:48
3	Hidden user	0.53 s	Kotlin	2020-04-14 13:39:53
4	Phường Lên	0.58 s	Kotlin	2020-05-13 06:52:43

#	User	Runtime	Language	Date
1	Caleb Austin	0.16 s	Lua	2024-10-18 23:42:05

#	User	Runtime	Language	Date
1	Joel Newman	0.03 s	OCaml	2023-09-16 01:38:57
2	Hidden user	0.30 s	OCaml	2020-04-05 23:25:15

#	User	Runtime	Language	Date
1	Martin Jackson	0.08 s	Python 2	2016-07-29 23:17:54
2	Hermon Mulat	0.08 s	Python 2	2017-10-29 22:47:19
3	Marcus Johansson	0.09 s	Python 2	2016-08-27 00:08:11
4	Juliang Li	0.10 s	Python 2	2018-02-01 23:40:02
5	Jonathan Grimes	0.10 s	Python 2	2018-02-06 02:20:31
6	Harry Smidt	0.10 s	Python 2	2019-10-17 16:23:58
7	Michael Laszlo	0.11 s	Python 2	2016-10-22 04:02:27
8	Hidden user	0.11 s	Python 2	2018-02-09 08:14:30
9	Johan Lyts	0.11 s	Python 2	2020-01-21 21:01:50
10	Yanmarshus Bachtiar	0.11 s	Python 2	2020-09-24 04:03:23

#	User	Runtime	Language	Date
1	Ocram Esah	0.09 s	Python 3	2022-06-11 21:22:11
2	Lionel KITIHOUN	0.10 s	Python 3	2025-04-25 22:19:42
3	Yang Li	0.11 s	Python 3	2021-01-14 21:44:09
4	Tan Yi Long	0.11 s	Python 3	2023-12-22 07:25:13
5	Fred Bloggs	0.12 s	Python 3	2019-03-25 18:26:33
6	Jules Barbe	0.12 s	Python 3	2021-09-17 17:50:28
7	Adam Hochschild	0.12 s	Python 3	2021-09-17 18:50:21
8	Neil Rahman	0.12 s	Python 3	2022-09-11 19:06:18
9	Kevin Cherry	0.13 s	Python 3	2022-09-18 02:54:38
10	Michelle Sweering	0.13 s	Python 3	2022-09-27 19:32:42

#	User	Runtime	Language	Date
1	Lara Hoya Trujillo	0.24 s	Ruby	2019-12-18 11:57:26
2	Hidden user	0.36 s	Ruby	2021-01-14 00:09:14

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-08-30 20:11:30
2	Chaoyi Yin	0.02 s	Rust	2019-01-13 23:28:23
3	Chen Weikang	0.02 s	Rust	2019-01-13 23:38:38
4	Eric Pinter	0.02 s	Rust	2021-06-19 06:09:38
5	Bas Dirks	0.02 s	Rust	2024-01-22 19:51:24
6	David Rasch	0.03 s	Rust	2020-08-11 14:16:13
7	Klas af Geijerstam	0.03 s	Rust	2020-10-18 13:46:48
8	Connor Skees	0.04 s	Rust	2020-10-27 00:36:20
9	Hidden user	0.04 s	Rust	2025-02-20 18:57:58

#	User	Length	Language	Date
1	Raymond Yang	882	C	2020-01-08 01:01:58
2	Flep	1137	C	2020-02-13 12:30:44
3	Hidden user	1544	C	2023-11-23 20:26:23
4	Jiangfeng Du	3034	C	2019-07-19 13:45:47
5	Bergur Snorrason	5574	C	2018-12-06 14:28:01
6	Hidden user	7969	C	2016-05-08 09:31:09

#	User	Length	Language	Date
1	Guðmundur Már Kristmundsson	2208	C#	2022-04-27 23:27:54
2	Greens Parker	2416	C#	2017-06-16 23:48:13
3	Moo	2725	C#	2017-07-18 23:28:14
4	Bachir Diop	3576	C#	2018-12-12 18:40:35
5	Andriy Zyevakov	8873	C#	2025-03-04 19:14:49

#	User	Length	Language	Date
1	a_b__c	398	C++	2021-02-20 16:47:21
2	Sidhant Bansal	468	C++	2018-01-30 20:39:51
3	Utkarsh Agrawal	470	C++	2019-03-13 15:59:53
4	Teikn Smith	501	C++	2024-06-18 19:34:12
5	Johan Wind	509	C++	2018-04-21 17:04:37
6	Xuan Tung Nguyen	520	C++	2020-03-10 12:02:01
7	Valeriu Motroi	538	C++	2016-04-26 09:14:25
8	Anatoly Polyuhovich	538	C++	2016-10-09 20:35:36
9	Modan Han	538	C++	2017-05-13 21:29:56
10	Kieran Horgan	554	C++	2017-08-28 17:37:41

#	User	Length	Language	Date
1	Paul Boddington	886	Go	2016-05-20 02:58:36
2	Michael Laszlo	916	Go	2016-10-22 04:19:13
3	Husain Satan	999	Go	2023-11-07 18:15:58
4	Ricardo Alonzo	1108	Go	2019-12-09 23:01:20

#	User	Length	Language	Date
1	Nathan van Doorn	665	Haskell	2025-06-09 10:58:29
2	Tristan de Cacqueray	716	Haskell	2025-06-15 08:13:07
3	Brent Yorgey	990	Haskell	2017-10-04 13:46:48
4	Gregory Swiader	1344	Haskell	2025-06-09 14:59:16
5	Dylan Thinnes	1441	Haskell	2025-06-09 11:39:02
6	Qi Ji	1444	Haskell	2018-07-06 20:18:40
7	Vasiliy Kevroletin	1494	Haskell	2018-05-16 04:46:11
8	Max Jackson	1926	Haskell	2016-05-04 16:00:39
9	mniip	5780	Haskell	2025-06-09 10:52:49

#	User	Length	Language	Date
1	Benjamin Laurence Erickson	797	Java	2016-09-13 03:14:32
2	Jordan Lamkin	915	Java	2017-02-03 16:25:42
3	Gísli Freyr Sæmundsson	1015	Java	2021-03-17 00:51:31
4	Sam Reinehr	1048	Java	2018-01-31 07:22:14
5	Nathan Leake	1085	Java	2018-03-25 09:42:31
6	Menno VanDiermen	1097	Java	2016-09-13 22:07:43
7	Pedro Contipelli	1148	Java	2017-02-03 18:11:35
8	Kyar Nyo Aye	1165	Java	2018-03-17 17:09:04
9	Josenildo Silva	1168	Java	2017-12-10 03:07:55
10	Danniel Alcantara	1169	Java	2024-02-15 06:23:40

#	User	Length	Language	Date
1	Zakaria Sabra	1458	JavaScript (Node.js)	2019-05-05 22:04:55

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	680	JavaScript (SpiderMonkey)	2022-11-08 19:56:00
2	Christian Cederquist	751	JavaScript (SpiderMonkey)	2023-07-06 07:16:47
3	Michael Laszlo	1361	JavaScript (SpiderMonkey)	2016-10-22 04:10:55

#	User	Length	Language	Date
1	Timothy Gaede	1140	Julia	2024-07-30 06:44:58

#	User	Length	Language	Date
1	Adam Rankin	1239	Kotlin	2023-09-09 03:27:48
2	Hidden user	1576	Kotlin	2020-04-14 13:39:53
3	Phường Lên	1640	Kotlin	2020-05-13 06:52:43
4	Mikael Hedin	2498	Kotlin	2017-11-17 12:58:56

#	User	Length	Language	Date
1	Caleb Austin	996	Lua	2024-10-18 23:42:05

#	User	Length	Language	Date
1	Hidden user	1513	OCaml	2020-04-05 23:25:15
2	Joel Newman	4163	OCaml	2023-09-16 01:38:57

#	User	Length	Language	Date
1	Thomas Feld	375	Python 2	2020-06-22 21:55:24
2	Utkarsh Raj Singh	458	Python 2	2019-06-19 03:00:24
3	Cheng Hang	471	Python 2	2018-01-25 04:03:14
4	Nathan Villanueva	471	Python 2	2017-02-03 07:16:19
5	Hidden user	479	Python 2	2019-07-06 03:42:42
6	Yupeng Gu	519	Python 2	2018-05-02 10:39:43
7	Michael Laszlo	522	Python 2	2016-10-22 03:57:04
8	Thomas Vu	524	Python 2	2019-02-03 02:16:30
9	Neal Zane	550	Python 2	2016-07-13 08:42:05
10	Henrik Adolfsson	553	Python 2	2017-03-22 12:41:30

#	User	Length	Language	Date
1	Maxim Barbe	245	Python 3	2024-10-07 04:15:17
2	Oskar Haarklou Veileborg	293	Python 3	2020-02-03 12:58:27
3	Kelly Dance	340	Python 3	2022-07-01 07:14:37
4	Hidden user	400	Python 3	2023-04-19 15:57:31
5	Johan Sannemo	406	Python 3	2020-09-07 22:09:53
6	Caeden Whitaker	408	Python 3	2024-02-10 22:03:54
7	Arnav Sastry	440	Python 3	2020-11-17 05:21:24
8	Sander Oppen	442	Python 3	2024-11-01 14:47:10
9	Benjamin Z White	446	Python 3	2023-06-02 11:16:08
10	Victor Zheng	447	Python 3	2017-05-13 19:38:59

#	User	Length	Language	Date
1	Hidden user	277	Ruby	2021-01-14 00:10:47
2	Lara Hoya Trujillo	1040	Ruby	2019-12-18 11:57:26

#	User	Length	Language	Date
1	David Rasch	1032	Rust	2020-08-11 14:16:13
2	Chen Weikang	1213	Rust	2019-01-13 23:38:38
3	Chaoyi Yin	1273	Rust	2019-01-13 23:28:23
4	Bas Dirks	1325	Rust	2024-01-22 19:51:24
5	Eric Pinter	1345	Rust	2021-06-19 06:09:38
6	Connor Skees	1611	Rust	2020-10-27 00:30:54
7	Klas af Geijerstam	5779	Rust	2020-10-18 13:46:48
8	Hidden user	6768	Rust	2025-02-20 18:57:58
9	Vincent Lagerros	19187	Rust	2024-08-30 20:11:30

Solution running time distribution