Problem D
Pairing Socks — Problem Statistics

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Submissions	9553
Accepted submissions	3380
Submission ratio	35.38%
Authors	2830
Accepted authors	2413
Author ratio	85.27%

#	User	Runtime	Language	Date
1	Ehsan Shoja	0.01 s	C	2018-06-10 17:57:49
2	Eyleifur Bjarkason	0.01 s	C	2019-10-30 18:44:49
3	Bergur Snorrason	0.01 s	C	2019-10-31 16:28:04
4	Ioannis Br	0.01 s	C	2020-06-28 16:51:54
5	Jiangfeng Du	0.02 s	C	2019-03-18 13:00:12
6	Ivan Petrov	0.02 s	C	2019-11-25 14:57:44
7	pengin	0.02 s	C	2021-05-11 13:08:59
8	Hidden user	0.02 s	C	2022-11-14 12:38:21
9	Alexander Bilde Pedersen	0.02 s	C	2023-02-02 19:09:30
10	Nihat Altiparmak	0.03 s	C	2019-09-15 23:44:14

#	User	Runtime	Language	Date
1	tony shi	0.08 s	C#	2023-09-22 05:28:38
2	Hans Glimmerfors	0.10 s	C#	2018-04-08 13:35:03
3	Hidden user	0.10 s	C#	2024-08-06 22:50:05
4	Nathan Andrews	0.10 s	C#	2024-09-13 01:16:08
5	Rasmus Christensen	0.13 s	C#	2019-10-14 21:15:21
6	Jasmin Baniya	0.13 s	C#	2020-03-14 23:09:04
7	Martin Qvarnström	0.13 s	C#	2023-01-01 19:57:13
8	samvid mistry	0.13 s	C#	2024-12-29 10:04:37
9	Andreas Kongstad	0.15 s	C#	2023-01-31 12:00:11

#	User	Runtime	Language	Date
1	Andreas Wallström	0.01 s	C++	2018-04-08 12:03:16
2	Hidden user	0.01 s	C++	2019-01-13 13:28:41
3	Agis Daniels	0.01 s	C++	2020-04-13 17:14:11
4	Troels Bjerre Lund	0.01 s	C++	2021-02-02 19:57:01
5	Roger Chen	0.01 s	C++	2021-08-07 06:08:44
6	Geralt of Rivia	0.01 s	C++	2021-11-12 04:05:25
7	Moses Mayer	0.01 s	C++	2024-12-24 16:47:22
8	Fredrik Hernqvist	0.02 s	C++	2018-04-08 10:58:58
9	Herman Karlsson	0.02 s	C++	2018-04-08 10:59:23
10	Hidden user	0.02 s	C++	2018-04-08 11:23:20

#	User	Runtime	Language	Date
1	Hidden user	0.26 s	Common Lisp	2019-06-12 19:39:43
2	David Cawthon	0.28 s	Common Lisp	2020-11-28 01:53:39

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.17 s	F#	2023-03-04 23:30:34
2	Mathias Labori Olsen	0.18 s	F#	2025-02-02 21:45:55

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Go	2024-08-04 00:15:21
2	n k	0.04 s	Go	2025-01-16 15:32:39
3	Norbert Voelker	0.10 s	Go	2021-07-16 22:29:46
4	Hidden user	0.14 s	Go	2024-10-05 02:18:15
5	James Robb	0.18 s	Go	2020-05-05 23:48:31
6	James Robb	0.18 s	Go	2020-05-12 12:18:58

#	User	Runtime	Language	Date
1	Tim Put	0.03 s	Haskell	2021-10-14 05:44:18
2	Øyvind Almli	0.03 s	Haskell	2023-01-10 15:05:33
3	Steinar Simonnes	0.04 s	Haskell	2024-06-16 09:25:51
4	Josh Coward	0.29 s	Haskell	2021-10-22 22:20:07
5	Sebastian Emtell	0.52 s	Haskell	2019-03-04 20:59:08
6	Hidden user	0.53 s	Haskell	2022-12-01 17:03:53
7	Hidden user	0.54 s	Haskell	2021-06-03 11:22:52
8	Agus Sentosa Hermawan	0.59 s	Haskell	2021-10-31 13:37:03

#	User	Runtime	Language	Date
1	Asmus Tørsleff	0.10 s	Java	2022-01-16 23:43:19
2	Joachim Borup	0.12 s	Java	2021-02-14 21:01:54
3	Emil Bak-Møller	0.13 s	Java	2021-02-08 21:44:37
4	Leon Tham	0.14 s	Java	2019-09-08 04:58:16
5	Joshua Chew	0.15 s	Java	2019-09-05 18:44:20
6	Aïssata Maiga	0.15 s	Java	2020-06-06 10:03:59
7	Herman Appelgren	0.22 s	Java	2018-04-08 16:17:50
8	Axel Nilsson	0.22 s	Java	2024-06-13 18:30:53
9	Paula Arnold	0.23 s	Java	2018-06-01 16:27:13
10	Tobias Glimmerfors	0.25 s	Java	2018-04-08 13:54:43

#	User	Runtime	Language	Date
1	Brendan King	0.13 s	JavaScript (Node.js)	2024-02-08 23:14:56
2	Mikael Fiala-Lundström	0.51 s	JavaScript (Node.js)	2021-06-20 22:59:07
3	Christopher Walther	0.54 s	JavaScript (Node.js)	2021-04-16 15:14:02

#	User	Runtime	Language	Date
1	Tor Skude	0.06 s	JavaScript (SpiderMonkey)	2019-05-15 11:16:32
2	Zachary DeStefano	0.07 s	JavaScript (SpiderMonkey)	2019-09-28 15:31:43
3	Bjørn Chr. Soltvedt	0.07 s	JavaScript (SpiderMonkey)	2020-03-03 00:36:42
4	Zach Tschetter	0.07 s	JavaScript (SpiderMonkey)	2023-06-20 00:32:16
5	Christian Cederquist	0.08 s	JavaScript (SpiderMonkey)	2023-04-10 10:45:04

#	User	Runtime	Language	Date
1	Timothy Gaede	0.61 s	Julia	2024-05-26 08:08:31

#	User	Runtime	Language	Date
1	Jacob Huebner	0.41 s	Kotlin	2020-04-19 07:24:12
2	Hidden user	0.42 s	Kotlin	2020-02-15 12:04:08
3	Johnny Baloney	0.44 s	Kotlin	2022-01-08 21:49:07
4	Adam Rankin	0.49 s	Kotlin	2023-09-01 21:53:59
5	Sergey Jakobsen	0.55 s	Kotlin	2021-07-21 16:09:58
6	Kelly Dance	0.56 s	Kotlin	2022-09-02 01:03:58
7	Dayan Ruben Gonzalez	0.58 s	Kotlin	2020-10-08 03:05:27
8	Adam Koprowski	0.61 s	Kotlin	2020-08-23 13:23:58
9	Hidden user	0.70 s	Kotlin	2024-08-05 20:52:52
10	Anders Kristoffersen	0.95 s	Kotlin	2024-11-12 14:42:38

#	User	Runtime	Language	Date
1	Artemis Ngoh	0.06 s	OCaml	2024-04-07 20:14:19
2	luna	0.07 s	OCaml	2024-04-04 03:35:31

#	User	Runtime	Language	Date
1	Quang Nhat	0.03 s	Pascal	2019-07-03 11:02:32
2	Kiên Nguyễn Tiến Trung	0.03 s	Pascal	2019-07-03 17:12:53
3	Ingemar Ragnemalm	0.03 s	Pascal	2019-10-24 10:52:09
4	Joseph Chau	0.03 s	Pascal	2024-02-02 23:02:26

#	User	Runtime	Language	Date
1	Yang Li	0.07 s	Python 3	2019-06-30 03:49:48
2	Robert Welin-Berger	0.08 s	Python 3	2018-04-08 11:03:48
3	Hidden user	0.08 s	Python 3	2019-09-30 22:39:13
4	Ryan Tan	0.08 s	Python 3	2022-06-05 04:51:12
5	crapcode	0.08 s	Python 3	2022-06-10 01:35:31
6	April Chao	0.08 s	Python 3	2022-08-28 05:19:47
7	Edward Kang	0.08 s	Python 3	2022-09-05 11:16:34
8	mmm	0.08 s	Python 3	2022-09-05 17:53:53
9	Mustefa Kamil	0.08 s	Python 3	2022-09-15 09:40:41
10	Gadisa Amenu	0.08 s	Python 3	2022-09-15 14:24:01

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	Ruby	2019-09-30 21:31:20
2	Frederik Petersen	0.12 s	Ruby	2025-01-31 13:49:20
3	Thomas Feld	0.15 s	Ruby	2023-02-27 09:13:41

#	User	Runtime	Language	Date
1	Isak Jägberg	0.01 s	Rust	2019-08-24 16:41:58
2	Pahlevi Fikri Auliya	0.01 s	Rust	2020-10-29 00:51:49
3	Jens Larsen	0.01 s	Rust	2021-09-15 20:44:21
4	Jonas Ulsnes Jørgensen	0.01 s	Rust	2022-01-29 20:13:19
5	Bas Dirks	0.01 s	Rust	2022-02-13 21:08:35
6	Erik Funder Carstensen	0.01 s	Rust	2022-09-05 15:44:35
7	Reis Faar	0.01 s	Rust	2023-05-14 16:03:52
8	Nikoline Olander Rasmussen	0.01 s	Rust	2023-06-16 21:30:58
9	Vincent Lagerros	0.01 s	Rust	2024-08-02 14:03:21
10	Daniel Anker Hermansen	0.01 s	Rust	2024-08-22 14:57:36

#	User	Length	Language	Date
1	Steven Alexander	396	C	2025-01-19 22:39:19
2	pengin	442	C	2021-05-11 13:08:59
3	Viktor	609	C	2021-11-16 18:29:48
4	Roxana	716	C	2025-01-31 19:38:56
5	Jiangfeng Du	756	C	2019-03-18 13:00:12
6	Alexander Bilde Pedersen	779	C	2023-02-02 19:10:33
7	Ehsan Shoja	782	C	2018-06-10 17:57:49
8	Jason Chen	809	C	2025-01-26 19:23:57
9	Jenerth Rodriguez	972	C	2025-01-27 00:12:34
10	Hidden user	1003	C	2022-11-14 12:38:21

#	User	Length	Language	Date
1	Hidden user	535	C#	2024-08-06 22:50:05
2	Nathan Andrews	682	C#	2024-09-13 01:16:08
3	tony shi	694	C#	2023-09-22 05:28:38
4	Andreas Kongstad	1224	C#	2023-01-31 12:00:11
5	Jasmin Baniya	1396	C#	2020-03-14 23:09:04
6	samvid mistry	1454	C#	2024-12-29 10:04:37
7	Rasmus Christensen	1572	C#	2019-10-14 21:15:21
8	Hans Glimmerfors	1584	C#	2018-04-08 13:35:03
9	Martin Qvarnström	2138	C#	2023-01-01 19:57:13

#	User	Length	Language	Date
1	Frans Meulenbroeks	205	C++	2024-10-02 17:18:11
2	Rafael Kristoforus Yanto	288	C++	2025-01-03 11:54:30
3	Nathaniel Ang	297	C++	2020-01-22 12:45:21
4	Nguyễn Công Cường	298	C++	2019-07-03 11:09:32
5	Anna Roczek	316	C++	2023-07-21 17:45:23
6	Jesús Pacheco Alonso	332	C++	2023-10-05 13:18:32
7	人外沙耶	337	C++	2021-03-03 10:02:07
8	Sujay Vadlakonda	339	C++	2021-08-29 04:31:00
9	thiamine	339	C++	2023-02-25 11:39:48
10	Zac Friggstad	344	C++	2021-10-15 23:14:07

#	User	Length	Language	Date
1	Hidden user	315	Common Lisp	2019-06-12 19:11:58
2	David Cawthon	1245	Common Lisp	2020-11-28 01:53:39

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1081	F#	2023-03-04 23:30:34
2	Mathias Labori Olsen	2230	F#	2025-02-02 21:45:55

#	User	Length	Language	Date
1	Norbert Voelker	712	Go	2021-07-16 22:29:46
2	Hidden user	847	Go	2024-10-05 02:18:15
3	Hidden user	973	Go	2024-08-04 00:15:21
4	n k	1717	Go	2025-01-16 15:32:39
5	James Robb	1794	Go	2020-05-12 12:18:58
6	James Robb	1794	Go	2020-05-05 23:51:08

#	User	Length	Language	Date
1	Josh Coward	300	Haskell	2021-10-22 22:20:07
2	Sebastian Emtell	361	Haskell	2019-03-04 20:59:08
3	Øyvind Almli	379	Haskell	2023-01-10 15:02:00
4	Hidden user	493	Haskell	2022-12-01 17:03:53
5	Agus Sentosa Hermawan	496	Haskell	2021-10-31 13:37:03
6	Tim Put	636	Haskell	2021-10-14 05:44:18
7	Steinar Simonnes	672	Haskell	2024-06-16 09:28:40
8	Hidden user	11790	Haskell	2021-06-03 11:22:52

#	User	Length	Language	Date
1	Phi Va Lo	274	Java	2023-02-05 15:43:49
2	Jianyang Li	458	Java	2021-10-09 16:32:23
3	Andy Best Ph.D	467	Java	2021-10-28 15:01:41
4	Yeung Man Tsung	477	Java	2022-07-06 15:13:53
5	Kelly Mann	494	Java	2023-02-07 05:12:48
6	Ida Bentzen-Petersen	504	Java	2021-09-14 12:19:18
7	Seit Nathan	517	Java	2020-12-02 17:03:00
8	Grant Hu	518	Java	2022-06-22 04:15:50
9	Jacob Olinger	520	Java	2022-05-25 15:07:18
10	Lars Harald Aasheim	523	Java	2022-08-27 09:36:51

#	User	Length	Language	Date
1	Brendan King	819	JavaScript (Node.js)	2024-02-08 23:14:56
2	Christopher Walther	1103	JavaScript (Node.js)	2021-04-16 15:14:02
3	Mikael Fiala-Lundström	1484	JavaScript (Node.js)	2021-06-20 22:59:07

#	User	Length	Language	Date
1	Zachary DeStefano	347	JavaScript (SpiderMonkey)	2019-09-28 15:31:43
2	Bjørn Chr. Soltvedt	385	JavaScript (SpiderMonkey)	2020-03-03 00:36:42
3	Christian Cederquist	403	JavaScript (SpiderMonkey)	2023-04-10 10:45:04
4	Tor Skude	523	JavaScript (SpiderMonkey)	2019-05-15 11:16:32
5	Zach Tschetter	548	JavaScript (SpiderMonkey)	2023-06-20 00:32:16

#	User	Length	Language	Date
1	Timothy Gaede	545	Julia	2024-05-26 08:08:31

#	User	Length	Language	Date
1	Kelly Dance	348	Kotlin	2022-09-02 01:03:58
2	Dayan Ruben Gonzalez	468	Kotlin	2020-10-08 03:05:27
3	Anders Kristoffersen	475	Kotlin	2024-11-12 14:42:38
4	Adam Rankin	497	Kotlin	2023-09-01 21:53:59
5	Sergey Jakobsen	524	Kotlin	2021-07-21 16:09:58
6	Jacob Huebner	531	Kotlin	2020-04-19 07:24:12
7	Adam Koprowski	595	Kotlin	2020-08-23 13:23:58
8	Johnny Baloney	836	Kotlin	2022-01-08 21:49:07
9	Hidden user	1121	Kotlin	2020-02-15 12:04:08
10	Hidden user	2075	Kotlin	2024-08-05 20:52:52

#	User	Length	Language	Date
1	Artemis Ngoh	637	OCaml	2024-04-07 20:15:14
2	luna	722	OCaml	2024-04-04 03:35:31

#	User	Length	Language	Date
1	Joseph Chau	617	Pascal	2024-02-02 23:02:26
2	Kiên Nguyễn Tiến Trung	812	Pascal	2019-07-03 17:12:53
3	Ingemar Ragnemalm	1298	Pascal	2019-10-24 10:52:09
4	Quang Nhat	1418	Pascal	2019-07-03 11:02:32

#	User	Length	Language	Date
1	Clement Oh	114	Python 3	2023-08-16 10:25:37
2	Phi Va Lo	118	Python 3	2023-02-25 21:32:01
3	Per-Ivar Faust	131	Python 3	2023-09-12 22:18:57
4	Charles Ancheta	151	Python 3	2023-03-27 22:44:12
5	Nino Bašić	156	Python 3	2023-01-08 23:36:08
6	Lennart Meyling	171	Python 3	2023-10-27 01:38:32
7	Thibault Raffaillac	171	Python 3	2020-02-18 21:50:07
8	Sander Oppen	182	Python 3	2024-04-11 18:15:45
9	Benjamin Z White	186	Python 3	2023-03-27 12:38:31
10	Shashank Bhatt	187	Python 3	2023-09-18 05:06:30

#	User	Length	Language	Date
1	Thomas Feld	73	Ruby	2023-02-27 09:19:51
2	Frederik Petersen	113	Ruby	2025-01-31 13:49:20
3	Hidden user	205	Ruby	2019-09-30 21:32:05

#	User	Length	Language	Date
1	Jonas Ulsnes Jørgensen	634	Rust	2025-01-31 13:24:52
2	Erik Funder Carstensen	757	Rust	2022-09-05 15:44:35
3	Nikoline Olander Rasmussen	850	Rust	2023-06-16 21:30:58
4	Jens Larsen	939	Rust	2021-09-15 20:44:21
5	Malthe Mathias Mølgaard Larsen	1207	Rust	2023-02-03 20:57:37
6	Mckinley Xie	1214	Rust	2025-01-31 22:59:39
7	Reis Faar	1289	Rust	2023-05-14 16:09:27
8	Martha E.	1307	Rust	2024-12-06 02:30:56
9	Bas Dirks	1377	Rust	2022-02-13 21:08:35
10	Isak Jägberg	1554	Rust	2019-08-24 16:41:58

Solution running time distribution