Problem A
Closest Pair (Uniform) — Problem Statistics

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Submissions	10237
Accepted submissions	2921
Submission ratio	28.53%
Authors	1194
Full solves [?]	863
Full solve Ratio	72.28%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.11 s	C	2018-12-26 02:05:22
2	Hidden user	0.18 s	C	2016-03-21 03:26:08
3	Adithya Bharadwaj	0.18 s	C	2022-09-21 19:11:35
4	노경덕/AI·소프트웨어학부(인공지능전공)	0.18 s	C	2025-09-30 17:30:31
5	Erik Landfors	0.19 s	C	2016-08-13 12:30:49
6	Adithya Bharadwaj	0.19 s	C	2022-09-21 21:07:24
7	Roman_Noodles	0.19 s	C	2022-09-21 23:28:51
8	Ryan Wolf	0.19 s	C	2022-09-22 05:24:22
9	Ioannis Br	0.19 s	C	2025-02-06 21:01:41
10	Paulo Bu	0.20 s	C	2015-02-23 10:31:15

#	User	Runtime	Language	Date
1	Bas te Kolste	0.54 s	C#	2015-11-21 12:36:39
2	Tobias Bjerge Bang	0.72 s	C#	2020-09-13 19:51:15
3	Jakob Møller-Andersen	0.79 s	C#	2022-09-16 21:40:24
4	Phillip Andersen	0.79 s	C#	2023-09-16 17:44:03
5	Martin Holst	0.97 s	C#	2021-11-28 16:51:20
6	Asger Schou Jacobsen	1.06 s	C#	2022-09-19 11:47:53
7	Nicolai Grymer	1.12 s	C#	2023-09-16 14:11:50
8	Julius Häger	1.14 s	C#	2020-02-14 01:08:45
9	Brian Chiu	1.19 s	C#	2016-03-23 19:41:20
10	Rasmus Føgh Sørensen	1.38 s	C#	2022-09-20 16:56:44

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.05 s	C++	2022-02-04 01:43:00
2	Nitit Jongsawatsataporn	0.07 s	C++	2022-09-24 02:00:30
3	Kenneth Langedal	0.08 s	C++	2022-09-10 15:34:29
4	Guan Han Li	0.08 s	C++	2023-02-23 00:32:32
5	Hidden user	0.09 s	C++	2017-07-09 07:03:27
6	Kieran Horgan	0.09 s	C++	2018-04-30 21:21:10
7	Tomas Möre	0.09 s	C++	2019-05-09 13:57:51
8	Marcus Östling	0.09 s	C++	2019-05-09 14:02:35
9	Leif Eriksson	0.10 s	C++	2023-05-08 10:31:27
10	Victor Song	0.11 s	C++	2022-09-07 23:05:46

#	User	Runtime	Language	Date
1	Leonora Andrea Lindqvist Nielsen	0.41 s	Go	2023-09-13 23:00:23
2	Robert Zamberg	0.67 s	Go	2024-12-27 10:12:35
3	Aleksander Jan Mistewicz	1.18 s	Go	2019-05-09 16:35:17
4	Hidden user	1.19 s	Go	2019-05-08 17:53:40
5	Andreas Just Petersen	1.27 s	Go	2023-09-13 17:21:11

#	User	Runtime	Language	Date
1	Udo Stenzel	1.58 s	Haskell	2023-05-30 17:56:21

#	User	Runtime	Language	Date
1	David Brink	0.34 s	Java	2017-02-08 20:07:51
2	Sven Rönnbäck	0.48 s	Java	2020-12-19 15:18:57
3	Nick Rogers	0.54 s	Java	2023-11-26 13:32:22
4	Simon Klein	0.58 s	Java	2013-05-05 22:08:54
5	Lukas Atkinson	0.64 s	Java	2017-12-18 20:20:46
6	Samuel Klingström	0.75 s	Java	2018-12-11 00:02:44
7	Nicholas Russell Saerang	0.77 s	Java	2023-07-10 14:36:53
8	Erik Nyström	0.78 s	Java	2015-12-15 12:11:06
9	Noellah Añes	0.78 s	Java	2023-08-03 04:40:55
10	Alexandra Fragio	0.78 s	Java	2023-08-06 12:07:28

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.81 s	JavaScript (SpiderMonkey)	2022-11-12 21:59:52

#	User	Runtime	Language	Date
1	Leonard Alexander Blechschmidt	1.51 s	Kotlin	2022-01-24 16:01:00

#	User	Runtime	Language	Date
1	Samuel Dindyal	0.20 s	Objective-C	2016-03-31 20:47:44
2	Alexander Momchilov	0.22 s	Objective-C	2016-03-24 03:59:58

#	User	Runtime	Language	Date
1	Björn Martinsson	0.49 s	Python 2	2020-02-26 14:43:21
2	Ocram Esah	0.50 s	Python 2	2022-06-06 10:10:08
3	Andreas Björklund	0.84 s	Python 2	2019-03-05 19:07:06
4	Frederik Højholt	0.85 s	Python 2	2015-12-07 21:42:16
5	Måns Magnusson	1.08 s	Python 2	2018-07-02 17:07:58
6	Maj Stenmark	1.18 s	Python 2	2018-08-03 11:20:55
7	Hyungoo Lee	1.21 s	Python 2	2016-01-27 07:16:38
8	Agis Daniels	1.52 s	Python 2	2020-06-25 17:57:05
9	Nicholas Bachmann Tjørnelund	1.68 s	Python 2	2020-07-20 12:59:44
10	Klas af Geijerstam	1.78 s	Python 2	2018-11-12 18:50:31

#	User	Runtime	Language	Date
1	Nicholas Russell Saerang	0.41 s	Python 3	2026-01-28 05:40:30
2	Ocram Esah	0.60 s	Python 3	2022-06-06 10:10:50
3	Nikolaj Munk Binder Jensen	0.62 s	Python 3	2024-09-12 14:46:38
4	Lasse	0.65 s	Python 3	2024-09-13 13:08:48
5	Lasse Overgaard	0.65 s	Python 3	2024-09-13 13:09:55
6	PHP LOVERS	0.70 s	Python 3	2025-09-18 07:00:35
7	justin doan	0.73 s	Python 3	2023-10-05 05:39:12
8	Keshav Raghavan	0.75 s	Python 3	2023-10-05 06:30:34
9	Sarah Bassett	0.77 s	Python 3	2024-11-26 04:52:48
10	Logan Dane	0.78 s	Python 3	2023-10-01 21:59:59

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.03 s	Rust	2025-03-10 14:25:57
2	Adrian Borup	0.08 s	Rust	2024-09-12 21:04:41
3	Ole Vik Lysne	0.09 s	Rust	2024-04-22 21:18:42
4	Andreas Severin Hauch Trøstrup	0.10 s	Rust	2024-09-12 21:19:59
5	Hidden user	0.13 s	Rust	2019-05-05 14:55:16
6	Ahmad Sattar Atta	0.13 s	Rust	2023-09-16 23:14:44
7	Emil Dichmann	0.14 s	Rust	2023-09-17 09:06:56
8	Fiat Driver	0.16 s	Rust	2023-07-04 13:50:35
9	Nicholas Bachmann Tjørnelund	0.17 s	Rust	2020-07-21 17:16:46
10	Jackson Linford	0.17 s	Rust	2023-03-05 16:03:08

#	User	Length	Language	Date
1	이재훈/AI·소프트웨어학부(인공지능전공)	1392	C	2025-09-25 18:49:12
2	허경회/AI·소프트웨어학부(인공지능전공)	1422	C	2025-09-30 14:04:39
3	박민경/스마트시티학과	1638	C	2025-10-01 02:07:15
4	Hidden user	1772	C	2025-09-30 13:59:50
5	임현승/AI·소프트웨어학부(인공지능전공)	1887	C	2025-09-30 16:10:18
6	이은우	1943	C	2025-10-01 02:29:22
7	Sebastian Miles	1979	C	2022-11-19 18:38:39
8	이민지	1987	C	2025-09-29 07:26:53
9	Adithya Bharadwaj	1992	C	2022-09-21 04:56:14
10	Hidden user	1996	C	2023-11-25 23:20:58

#	User	Length	Language	Date
1	Rasmus Føgh Sørensen	3374	C#	2022-09-21 10:13:06
2	Patrick Demian	3475	C#	2016-03-14 20:37:53
3	Tobias Skovbæk Brund	3655	C#	2024-09-17 18:03:11
4	Nicolai Grymer	3881	C#	2023-09-16 14:11:50
5	Martin Holst	3890	C#	2021-11-28 13:55:54
6	Phillip Andersen	4712	C#	2023-09-16 17:44:03
7	Michael Jeppesen	4712	C#	2024-09-11 12:52:56
8	Bas te Kolste	5112	C#	2015-11-21 12:30:14
9	Tobias Bjerge Bang	6640	C#	2020-09-13 19:51:15
10	Asger Schou Jacobsen	6788	C#	2022-09-19 11:47:53

#	User	Length	Language	Date
1	Xi Lin	942	C++	2015-06-12 18:51:06
2	Hung Tran Quang	964	C++	2024-02-06 18:21:24
3	Hidden user	1044	C++	2019-02-08 23:20:41
4	Nitit Jongsawatsataporn	1083	C++	2022-09-24 21:14:00
5	Qianlang Chen	1102	C++	2021-04-22 23:59:49
6	David Avellan-Hultman	1108	C++	2019-02-05 22:14:10
7	Leonardo Blanger	1126	C++	2021-05-01 02:53:51
8	Wang Zhi Jian	1156	C++	2018-04-10 17:52:15
9	Kieran Horgan	1211	C++	2018-04-27 18:32:12
10	Yeung Man Tsung	1234	C++	2023-01-04 16:00:00

#	User	Length	Language	Date
1	Hidden user	3213	Go	2019-05-08 13:20:35
2	Andreas Just Petersen	3299	Go	2023-09-13 17:21:11
3	Leonora Andrea Lindqvist Nielsen	4046	Go	2023-09-13 23:00:23
4	Robert Zamberg	4849	Go	2024-12-27 10:12:35
5	Aleksander Jan Mistewicz	6969	Go	2019-05-09 16:11:31

#	User	Length	Language	Date
1	Udo Stenzel	4348	Haskell	2023-05-30 17:56:21

#	User	Length	Language	Date
1	Hidden user	2200	Java	2023-11-19 19:00:57
2	Nick Rogers	2319	Java	2023-11-26 13:34:48
3	Thorsten Zieres	2323	Java	2022-01-24 17:10:07
4	Andres Mancillas	2380	Java	2023-09-29 06:50:31
5	Nicholas Russell Saerang	2389	Java	2023-07-10 10:44:22
6	Abel MacNeil	2478	Java	2016-03-13 01:08:57
7	Huy Vo Vuong Bao	2480	Java	2023-11-19 18:46:17
8	익명	2526	Java	2025-09-30 22:13:06
9	Julius D'Silva	2571	Java	2016-03-24 00:48:37
10	Reuben James Loquinario	2580	Java	2026-01-06 01:22:01

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	2992	JavaScript (SpiderMonkey)	2022-11-12 21:59:52

#	User	Length	Language	Date
1	Leonard Alexander Blechschmidt	2598	Kotlin	2022-01-24 16:01:00

#	User	Length	Language	Date
1	Samuel Dindyal	3844	Objective-C	2016-03-31 20:20:41
2	Alexander Momchilov	4979	Objective-C	2016-03-24 03:59:58

#	User	Length	Language	Date
1	Andreas Björklund	599	Python 2	2019-03-05 19:07:06
2	Björn Martinsson	822	Python 2	2020-02-26 14:43:21
3	Måns Magnusson	1042	Python 2	2018-07-02 15:45:56
4	Nicholas Bachmann Tjørnelund	1554	Python 2	2020-07-20 12:59:44
5	Maj Stenmark	1774	Python 2	2018-08-03 11:20:55
6	Klas af Geijerstam	1850	Python 2	2018-11-12 18:50:31
7	Frederik Højholt	1879	Python 2	2015-12-07 01:15:44
8	Ocram Esah	3416	Python 2	2022-05-21 07:36:13
9	Hyungoo Lee	3779	Python 2	2016-01-27 07:16:38
10	Agis Daniels	15776	Python 2	2020-06-25 17:43:39

#	User	Length	Language	Date
1	Ahmed Chamseddine	312	Python 3	2025-10-06 21:07:52
2	Hidden user	570	Python 3	2023-10-04 22:24:00
3	Joe	571	Python 3	2023-10-02 20:00:48
4	Peter Beattie	608	Python 3	2018-07-01 19:02:00
5	Sarah Bassett	644	Python 3	2024-11-26 04:52:48
6	David Llorens	653	Python 3	2025-05-24 01:39:01
7	Logan Dane	714	Python 3	2023-10-01 21:49:13
8	Ryan Nibu	830	Python 3	2023-10-06 04:26:48
9	Nicholas Russell Saerang	854	Python 3	2026-01-28 05:40:30
10	Kamran	896	Python 3	2023-10-05 00:13:22

#	User	Length	Language	Date
1	Nicholas Bachmann Tjørnelund	2258	Rust	2020-07-22 00:35:22
2	Adrian Borup	2831	Rust	2024-09-12 15:51:27
3	Simon Grünwald	2870	Rust	2024-09-20 22:04:07
4	Eskil Queseth	2960	Rust	2020-02-08 16:09:15
5	Andreas Severin Hauch Trøstrup	3089	Rust	2024-09-12 20:04:28
6	Hidden user	3101	Rust	2022-09-20 14:16:16
7	Johan Flensmark	3101	Rust	2022-09-21 22:27:23
8	Minghao Zhang	3330	Rust	2024-04-26 07:40:44
9	Ole Vik Lysne	3360	Rust	2024-04-18 15:18:54
10	Estref Katillari	3447	Rust	2023-09-19 20:04:25

Solution running time distribution