Problem A
The Trip, 2007 — Problem Statistics

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Submissions	1686
Accepted submissions	628
Submission ratio	37.25%
Authors	555
Accepted authors	487
Author ratio	87.75%

#	User	Runtime	Language	Date
1	Sparrowhawk Ged	0.01 s	C	2021-01-02 20:01:34
2	Hidden user	0.02 s	C	2017-10-21 17:20:49
3	Ivan Petrov	0.02 s	C	2019-06-28 09:51:26
4	Hiếu Vũ Minh	0.02 s	C	2022-02-12 05:58:24
5	mac	0.15 s	C	2020-04-23 20:47:42

#	User	Runtime	Language	Date
1	Emil Lenngren	0.01 s	C++	2012-10-09 20:27:13
2	Mihai Damaschin	0.01 s	C++	2012-10-09 20:48:47
3	Steven Halim	0.01 s	C++	2015-10-30 07:03:55
4	Tomás Cariño	0.01 s	C++	2017-02-04 21:05:13
5	Bay Wei Heng	0.01 s	C++	2017-08-21 02:42:18
6	Muhammad Irham Rasyidi	0.01 s	C++	2017-10-21 17:46:52
7	Neal Zane	0.01 s	C++	2017-11-30 09:01:03
8	Hidden user	0.01 s	C++	2018-02-19 14:55:11
9	Jonathan Grimes	0.01 s	C++	2018-02-21 01:51:19
10	Matthew Turner	0.01 s	C++	2018-02-22 08:23:58

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	Common Lisp	2019-07-03 02:40:28

#	User	Runtime	Language	Date
1	Norbert Voelker	0.17 s	Go	2021-09-17 00:26:41

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.03 s	Haskell	2025-06-30 09:33:11
2	Brent Yorgey	0.10 s	Haskell	2018-10-21 15:52:13

#	User	Runtime	Language	Date
1	Paul Boddington	0.15 s	Java	2020-07-26 20:33:29
2	José Vander Meulen	0.16 s	Java	2018-08-27 22:25:56
3	Martijn Muijsers	0.17 s	Java	2017-05-23 00:32:22
4	David Koval	0.19 s	Java	2017-02-26 08:50:57
5	Micah Stairs	0.19 s	Java	2017-04-17 22:27:49
6	James Black	0.20 s	Java	2018-03-16 21:59:01
7	Holodiline Jérémy	0.20 s	Java	2018-10-02 18:21:23
8	Ismaila Abdoulahi	0.20 s	Java	2018-10-03 09:52:13
9	Alexandre Maniet	0.20 s	Java	2018-10-30 09:26:57
10	Simon Klein	0.22 s	Java	2012-10-09 20:26:32

#	User	Runtime	Language	Date
1	Christian Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-06-04 15:54:51
2	Bjørn Chr. Soltvedt	0.13 s	JavaScript (SpiderMonkey)	2021-01-12 06:55:04

#	User	Runtime	Language	Date
1	Hidden user	0.34 s	Kotlin	2020-05-10 08:54:58
2	Adam Rankin	0.60 s	Kotlin	2023-09-09 20:57:56

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.11 s	PHP	2018-04-15 00:47:21

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.06 s	Python 2	2018-11-03 13:42:55
2	Juliang Li	0.07 s	Python 2	2018-02-17 01:41:22
3	Jordan James	0.07 s	Python 2	2018-02-21 06:31:00
4	Ciara Godwin	0.07 s	Python 2	2018-08-26 23:58:20
5	Cian Ruane	0.08 s	Python 2	2018-08-27 00:12:56
6	Thomas Feld	0.08 s	Python 2	2019-12-06 09:43:28
7	Maisam Arif	0.11 s	Python 2	2017-03-24 20:00:34
8	Andreas Björklund	0.16 s	Python 2	2019-11-27 16:38:06
9	Jessica Fang	0.34 s	Python 2	2017-03-24 20:31:34
10	Rachel Campbell	0.35 s	Python 2	2017-03-24 20:08:15

#	User	Runtime	Language	Date
1	Vincent Tandya	0.05 s	Python 3	2019-11-08 16:27:22
2	Jason Cannon	0.05 s	Python 3	2019-12-13 20:00:30
3	Денис Соболев	0.06 s	Python 3	2019-04-27 07:28:56
4	Robert Welin-Berger	0.07 s	Python 3	2018-08-15 20:18:45
5	Hidden user	0.07 s	Python 3	2019-12-08 06:30:14
6	Tran Tuong Minh Nguyen	0.08 s	Python 3	2018-06-05 23:54:11
7	Ciara Godwin	0.08 s	Python 3	2018-08-26 23:57:39
8	Bjørn Dons	0.08 s	Python 3	2019-04-07 00:18:00
9	Hidden user	0.08 s	Python 3	2023-06-30 23:01:51
10	Jed Yang	0.08 s	Python 3	2024-12-30 05:06:22

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-10-01 01:31:14
2	Mckinley Xie	0.03 s	Rust	2025-04-04 23:40:37
3	Franz Miltz	0.26 s	Rust	2019-11-30 03:42:16

#	User	Length	Language	Date
1	mac	682	C	2020-04-23 20:47:42
2	Hidden user	838	C	2017-10-21 18:13:28
3	Hiếu Vũ Minh	843	C	2022-02-12 05:58:24
4	Ivan Petrov	863	C	2019-06-28 09:51:26
5	Sparrowhawk Ged	1483	C	2021-01-02 20:01:34

#	User	Length	Language	Date
1	Mathias Gernez	356	C++	2024-09-02 22:00:22
2	Hidden user	407	C++	2020-03-21 20:40:59
3	Lorena Hantig	502	C++	2021-09-17 07:44:43
4	Suraj Swarnapuri	530	C++	2018-02-24 17:30:01
5	Mario Tanijaya	553	C++	2019-07-29 15:31:17
6	Vee Hua Zhi	557	C++	2023-06-14 03:15:56
7	人外沙耶	563	C++	2021-06-21 05:22:10
8	Nathan Mandell	578	C++	2019-03-04 07:49:17
9	Grae Yeandle	584	C++	2018-04-07 12:12:17
10	Chase Hinesman	596	C++	2018-02-23 19:38:39

#	User	Length	Language	Date
1	Hidden user	691	Common Lisp	2019-07-03 02:40:28

#	User	Length	Language	Date
1	Norbert Voelker	790	Go	2021-09-17 00:28:25

#	User	Length	Language	Date
1	Steinar Simonnes	1055	Haskell	2025-06-30 09:38:52
2	Brent Yorgey	1621	Haskell	2018-10-21 15:52:13

#	User	Length	Language	Date
1	Jiru Xu	888	Java	2016-10-05 10:22:57
2	Benjamin Pierre	1114	Java	2019-08-02 10:13:04
3	Crystal Sharpe	1189	Java	2020-08-05 05:48:18
4	Doug Goodman	1210	Java	2019-11-25 21:05:25
5	Gard Askeland	1216	Java	2019-12-03 12:47:39
6	Brennan Cleland	1236	Java	2023-06-29 07:23:13
7	Ozturk Ekrem	1248	Java	2018-09-26 10:29:19
8	Bunyamin Aslan	1302	Java	2018-09-26 09:49:10
9	Adeline Duterre	1308	Java	2018-09-26 10:09:04
10	David Koval	1314	Java	2017-02-26 08:42:58

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	966	JavaScript (SpiderMonkey)	2021-01-12 06:55:04
2	Christian Cederquist	1001	JavaScript (SpiderMonkey)	2023-06-04 15:54:51

#	User	Length	Language	Date
1	Adam Rankin	1313	Kotlin	2023-09-09 20:57:56
2	Hidden user	1469	Kotlin	2020-05-10 08:54:58

#	User	Length	Language	Date
1	Susanne Ragnemalm	1599	PHP	2018-04-15 00:47:21

#	User	Length	Language	Date
1	Thomas Feld	305	Python 2	2019-12-06 09:43:28
2	Nathan Villanueva	352	Python 2	2017-03-24 08:19:36
3	Jesper Öqvist	434	Python 2	2018-11-03 13:42:55
4	Ciara Godwin	434	Python 2	2018-08-26 23:58:20
5	Juliang Li	468	Python 2	2018-02-17 01:41:22
6	Andreas Björklund	539	Python 2	2019-11-27 16:38:06
7	Cian Ruane	555	Python 2	2018-08-27 00:12:56
8	Jessica Fang	577	Python 2	2017-03-24 20:31:34
9	Rachel Campbell	672	Python 2	2017-03-24 20:08:15
10	Jordan James	687	Python 2	2018-02-21 06:31:00

#	User	Length	Language	Date
1	Benjamin Z White	223	Python 3	2023-05-22 15:48:10
2	Nicholas Russell Saerang	257	Python 3	2023-12-18 16:46:58
3	Jason Cannon	273	Python 3	2019-12-13 20:00:30
4	Brandon Tang	307	Python 3	2022-07-07 03:02:57
5	Oskar Haarklou Veileborg	314	Python 3	2020-03-10 08:48:38
6	Ciara Godwin	434	Python 3	2018-08-26 23:57:39
7	Payton Knezek	436	Python 3	2025-04-10 20:09:39
8	Ainun Najib	452	Python 3	2020-10-16 18:04:55
9	Lex Kilpatrick	459	Python 3	2025-04-05 01:45:09
10	Jed Yang	460	Python 3	2024-12-30 05:06:22

#	User	Length	Language	Date
1	Mckinley Xie	2081	Rust	2025-04-04 23:40:37
2	Franz Miltz	2276	Rust	2019-11-30 03:42:16
3	Vincent Lagerros	22658	Rust	2024-10-01 01:31:14

Solution running time distribution