Problem I
Imperfect GPS — Problem Statistics

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Submissions	4123
Accepted submissions	1211
Submission ratio	29.37%
Authors	1142
Accepted authors	910
Author ratio	79.68%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-17 18:38:53

#	User	Runtime	Language	Date
1	James Hally	0.00 s	C	2017-10-07 19:40:10
2	Hidden user	0.00 s	C	2018-04-10 21:48:56
3	Svein Høgemo	0.00 s	C	2018-04-15 14:19:34
4	Ivan Petrov	0.00 s	C	2019-07-24 11:18:37
5	Hidden user	0.00 s	C	2019-08-16 23:17:29
6	Aron Bergman	0.00 s	C	2019-11-16 14:17:08
7	Anton Lilja	0.00 s	C	2020-11-20 12:18:41

#	User	Runtime	Language	Date
1	Fredrik Absalonsen	0.02 s	C#	2018-04-15 09:53:59
2	Erik Bergfeldt	0.04 s	C#	2023-09-19 11:44:17
3	Alma Hedengren	0.04 s	C#	2024-04-17 09:43:25
4	Olle Renius	0.04 s	C#	2024-07-01 00:01:38
5	Robert	0.05 s	C#	2024-07-30 13:46:42
6	Henry Platt	0.05 s	C#	2024-07-05 00:28:06
7	Marlou Foreman	0.05 s	C#	2024-06-20 13:09:17
8	Marcus Asplund	0.05 s	C#	2025-05-03 12:45:22
9	William Isaksson	0.05 s	C#	2025-06-10 21:47:29
10	Estanislao Sarandón	0.05 s	C#	2025-06-16 22:24:57

#	User	Runtime	Language	Date
1	Shayan Hosseini	0.00 s	Go	2025-01-25 10:07:30
2	Erlend Fonnes	0.08 s	Go	2021-03-12 14:40:23
3	Kaja Dey	0.09 s	Go	2018-04-05 12:51:50

#	User	Runtime	Language	Date
1	Morten Lohne	0.00 s	Haskell	2018-04-15 16:26:02
2	Birk Tjelmeland	0.00 s	Haskell	2018-04-16 01:25:53
3	Hidden user	0.00 s	Haskell	2023-03-10 07:40:38
4	Ryan Chew	0.01 s	Haskell	2019-04-14 08:23:09
5	Brent Yorgey	0.01 s	Haskell	2019-12-02 04:40:04

#	User	Runtime	Language	Date
1	Liam Keliher	0.04 s	Java	2024-08-21 02:33:03
2	Taras Romanyuk	0.04 s	Java	2024-11-18 23:57:15
3	Hussein Al-saadi	0.04 s	Java	2025-05-23 00:57:36
4	Nick Wu	0.06 s	Java	2017-10-07 19:10:33
5	Kensen Shi	0.06 s	Java	2017-10-07 19:55:22
6	Chris Wu	0.06 s	Java	2017-10-07 19:58:18
7	Patrick Gardner	0.06 s	Java	2017-10-07 20:02:38
8	Finn Lidbetter	0.06 s	Java	2017-10-07 20:18:14
9	Herbert Li	0.06 s	Java	2017-10-07 20:24:06
10	Carson Kreppein	0.06 s	Java	2017-10-07 20:30:15

#	User	Runtime	Language	Date
1	Gustav Ekner	0.05 s	JavaScript (Node.js)	2018-11-20 17:19:56
2	Love Brandefelt	0.06 s	JavaScript (Node.js)	2019-04-09 14:09:13

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-09-07 12:20:00
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2019-02-28 19:21:37
3	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-10-29 17:55:57

#	User	Runtime	Language	Date
1	Hidden user	0.14 s	Kotlin	2018-04-13 19:50:23
2	Jacob Huebner	0.14 s	Kotlin	2022-01-28 18:41:32
3	Sondre Nilsen	0.15 s	Kotlin	2021-03-24 13:06:05
4	Phường Lên	0.18 s	Kotlin	2020-02-04 20:49:35
5	Justin Hoogestraat	0.21 s	Kotlin	2017-10-07 21:47:25
6	Adam Rankin	0.21 s	Kotlin	2023-09-15 06:57:16

#	User	Runtime	Language	Date
1	Jeff Robertson	0.03 s	Python 2	2017-10-07 18:48:02
2	Seyoon Ragavan	0.03 s	Python 2	2017-10-07 19:39:38
3	Justin Middleton	0.03 s	Python 2	2017-10-07 19:51:21
4	William Booker	0.03 s	Python 2	2017-10-07 19:55:34
5	Neil Patil	0.03 s	Python 2	2017-10-07 20:11:27
6	Daniel Strizhevsky	0.03 s	Python 2	2017-10-07 20:11:57
7	Matthew Dippel	0.03 s	Python 2	2017-10-07 20:49:35
8	Haochen Chen	0.03 s	Python 2	2017-10-07 20:59:23
9	Paul Devlin	0.03 s	Python 2	2017-10-07 21:15:03
10	Andrew DeMaio	0.03 s	Python 2	2017-10-07 22:35:09

#	User	Runtime	Language	Date
1	Abdul Zakkar	0.02 s	Python 3	2017-10-07 18:51:23
2	Kasper Borys	0.02 s	Python 3	2017-10-07 18:57:56
3	Hunter Hughes	0.02 s	Python 3	2017-10-07 19:14:48
4	Sarah Wang	0.02 s	Python 3	2017-10-07 19:52:00
5	Melody Horn	0.02 s	Python 3	2017-10-07 19:53:59
6	Haruki Moriguchi	0.02 s	Python 3	2017-10-07 20:11:54
7	Wanqi Zhu	0.02 s	Python 3	2017-10-07 20:12:22
8	Zhizhou Jiang	0.02 s	Python 3	2017-10-07 20:24:52
9	Rafael Haber	0.02 s	Python 3	2017-10-07 20:34:47
10	Tim Salmon	0.02 s	Python 3	2017-10-07 20:38:49

#	User	Runtime	Language	Date
1	Yusuke Ichiki	0.05 s	Ruby	2022-06-28 10:10:51

#	User	Runtime	Language	Date
1	Ali Shahwali	0.04 s	TypeScript	2024-01-21 14:03:47
2	Roope Kipinä	0.05 s	TypeScript	2024-01-30 21:39:39

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-17 18:38:53

#	User	Length	Language	Date
1	Ivan Petrov	997	C	2019-07-24 11:18:37
2	James Hally	1001	C	2017-10-07 19:40:10
3	Svein Høgemo	1642	C	2018-04-15 14:19:34
4	Aron Bergman	1843	C	2019-11-16 14:17:08
5	Anton Lilja	1945	C	2020-11-20 12:18:41
6	Hidden user	2381	C	2019-08-16 23:17:29
7	Hidden user	2917	C	2018-04-10 21:48:56

#	User	Length	Language	Date
1	Edvard Jinder	1933	C#	2025-03-08 13:41:55
2	Mårten Åsberg	2114	C#	2025-07-31 14:09:45
3	Mirko Smiljanic	2169	C#	2025-03-05 14:17:55
4	Hidden user	2252	C#	2025-03-03 11:20:55
5	William Isaksson	2360	C#	2025-06-10 21:48:49
6	Marlou Foreman	2461	C#	2024-06-20 13:09:17
7	Erik Bergfeldt	2680	C#	2023-09-19 11:44:17
8	Sebastian Franzén	2745	C#	2025-03-29 12:04:17
9	Johane Badenhorst	2749	C#	2024-08-01 22:23:21
10	Olle Renius	2764	C#	2024-07-01 00:01:38

#	User	Length	Language	Date
1	Rumbin Lee	702	C++	2024-03-01 10:33:29
2	Elias Lolck	801	C++	2021-03-04 11:10:00
3	William Gan	813	C++	2017-11-22 19:04:03
4	Alex Meed	829	C++	2017-10-07 19:58:29
5	Yeung Man Tsung	843	C++	2022-12-26 07:48:22
6	Lim Hong Hui Eugene	849	C++	2019-04-24 09:02:59
7	Masatoshi Kato	852	C++	2022-06-28 15:06:26
8	Wang Zhi Jian	878	C++	2019-04-14 21:13:36
9	Andreas Alberg	887	C++	2022-03-23 10:06:29
10	Rene Josiah M. Quinto	888	C++	2018-02-03 10:47:22

#	User	Length	Language	Date
1	Erlend Fonnes	1798	Go	2021-03-12 14:40:23
2	Shayan Hosseini	2100	Go	2025-01-25 10:07:30
3	Kaja Dey	2106	Go	2018-04-05 12:51:50

#	User	Length	Language	Date
1	Hidden user	984	Haskell	2023-03-10 07:43:52
2	Ryan Chew	1040	Haskell	2019-04-14 08:23:09
3	Birk Tjelmeland	1299	Haskell	2018-04-16 01:25:53
4	Brent Yorgey	1884	Haskell	2019-12-02 04:40:04
5	Morten Lohne	4454	Haskell	2018-04-15 16:26:02

#	User	Length	Language	Date
1	Hidden user	1141	Java	2020-06-11 22:20:45
2	Adam Abdalla	1162	Java	2017-12-11 21:47:32
3	Sam Heil	1253	Java	2017-10-07 19:50:30
4	Elizabeth Zou	1316	Java	2017-12-08 19:46:04
5	Thomas Barnette	1348	Java	2017-10-07 18:26:27
6	Doug Goodman	1374	Java	2017-10-07 23:21:43
7	Changming Xu	1386	Java	2017-10-07 21:27:30
8	Yijie Bei	1411	Java	2017-10-07 21:39:00
9	Duncan Page	1427	Java	2017-10-07 18:57:50
10	Jiru Xu	1431	Java	2017-10-07 20:32:44

#	User	Length	Language	Date
1	Gustav Ekner	2354	JavaScript (Node.js)	2018-11-20 17:19:56
2	Love Brandefelt	2381	JavaScript (Node.js)	2019-04-09 14:09:13

#	User	Length	Language	Date
1	Jimmy Gustafsson	655	JavaScript (SpiderMonkey)	2022-09-07 12:20:00
2	Bjørn Chr. Soltvedt	1020	JavaScript (SpiderMonkey)	2019-02-28 19:21:37
3	Christian Cederquist	1104	JavaScript (SpiderMonkey)	2023-10-29 17:55:57

#	User	Length	Language	Date
1	Sondre Nilsen	2043	Kotlin	2021-03-24 13:17:05
2	Jacob Huebner	2079	Kotlin	2022-01-28 18:41:32
3	Phường Lên	2426	Kotlin	2020-02-04 20:49:35
4	Adam Rankin	2558	Kotlin	2023-09-15 06:57:16
5	Justin Hoogestraat	2719	Kotlin	2017-10-07 21:47:25
6	Hidden user	4586	Kotlin	2018-04-15 15:57:05

#	User	Length	Language	Date
1	Thomas Feld	443	Python 2	2020-06-24 11:18:16
2	Jeff Robertson	582	Python 2	2017-10-11 23:47:16
3	Sunera Avinash	738	Python 2	2017-11-01 15:50:33
4	Justin Middleton	883	Python 2	2017-10-07 19:51:21
5	Daniel Strizhevsky	966	Python 2	2017-10-07 20:11:57
6	Eric Ge	966	Python 2	2019-09-21 21:35:03
7	Aaron Chan	996	Python 2	2019-10-24 20:10:02
8	Seyoon Ragavan	1014	Python 2	2017-10-07 19:39:38
9	Changshuo Liu	1091	Python 2	2017-10-09 00:50:45
10	Suyie Zhi	1117	Python 2	2019-10-04 08:18:56

#	User	Length	Language	Date
1	Lawry Sorenson	275	Python 3	2025-05-31 00:04:20
2	Ahmed Chamseddine	363	Python 3	2025-06-24 20:30:18
3	Josh Taylor	433	Python 3	2022-11-12 20:08:31
4	David Avellan-Hultman	589	Python 3	2018-11-21 18:39:23
5	Love Brandefelt	589	Python 3	2019-04-09 14:11:31
6	Anton Nilsson	614	Python 3	2025-05-19 16:34:40
7	Hidden user	632	Python 3	2021-11-23 20:52:42
8	Lennart Meyling	675	Python 3	2024-01-13 20:39:22
9	Marie Li Chionis	703	Python 3	2024-11-29 18:49:04
10	D. Salgado	707	Python 3	2024-09-21 22:08:02

#	User	Length	Language	Date
1	Yusuke Ichiki	1279	Ruby	2022-06-28 10:10:51

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1336	Rust	2022-07-17 13:33:21
2	Love Brandefelt	1632	Rust	2018-11-17 14:52:18
3	Anton Lilja	2253	Rust	2020-11-20 12:02:11
4	Gustaf Haglund	2574	Rust	2021-12-01 10:36:03
5	Markus Videfors	2583	Rust	2020-11-19 14:47:57
6	Christofer Nolander	2584	Rust	2018-11-18 07:32:54
7	Lukas "Dreamplay" Friman	2817	Rust	2021-11-25 14:14:23
8	Vincent Lagerros	2839	Rust	2021-11-24 18:15:06
9	Yoeri Otten	2916	Rust	2022-03-08 03:30:34
10	n.takana	3018	Rust	2022-06-25 13:15:15

#	User	Length	Language	Date
1	Ali Shahwali	1586	TypeScript	2024-01-21 14:03:47
2	Roope Kipinä	3111	TypeScript	2024-01-30 21:39:39

Solution running time distribution