Problem A
Field Trip — Problem Statistics

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Submissions	1200
Accepted submissions	649
Submission ratio	54.08%
Authors	502
Full solves [?]	473
Full solve Ratio	94.22%

#	User	Runtime	Language	Date
1	Caeden Whitaker	0.02 s	C	2022-01-02 05:27:56
2	Eyleifur Bjarkason	0.02 s	C	2023-01-23 22:01:29
3	vitriol	0.03 s	C	2022-03-27 20:04:00
4	Adam Lumio	0.09 s	C	2024-02-16 20:47:11
5	Mirel Cosulschi	0.09 s	C	2025-02-28 18:58:34

#	User	Runtime	Language	Date
1	Emad aldeen Issawi	0.20 s	C#	2023-07-10 11:04:16

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.01 s	C++	2024-02-04 14:48:07
2	Hidden user	0.02 s	C++	2021-02-08 14:21:38
3	Frank Endriss	0.02 s	C++	2021-03-02 08:15:30
4	Agis Daniels	0.02 s	C++	2021-12-08 13:42:39
5	Hidden user	0.02 s	C++	2022-02-05 06:59:02
6	Hidden user	0.06 s	C++	2021-03-01 10:46:08
7	jiahng	0.06 s	C++	2021-03-01 10:50:42
8	Yiming Kang	0.06 s	C++	2021-03-01 10:53:57
9	Jiang Zhiheng	0.06 s	C++	2021-03-01 11:33:31
10	Choi Min Suk	0.06 s	C++	2021-03-01 19:05:46

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.48 s	F#	2023-02-19 09:12:34

#	User	Runtime	Language	Date
1	Norbert Voelker	0.09 s	Go	2021-11-23 15:14:35

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.16 s	Haskell	2024-06-25 14:56:30
2	Brent Yorgey	0.29 s	Haskell	2021-02-16 12:17:50
3	Ng Tek In	1.56 s	Haskell	2022-08-31 18:26:36
4	Mason Barnhill	1.58 s	Haskell	2023-07-16 22:45:11

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.10 s	Java	2023-12-14 21:56:10
2	Crystal Sharpe	0.11 s	Java	2021-02-07 10:23:21
3	Axel Nilsson	0.33 s	Java	2023-07-04 15:00:00
4	Ho Lyun Jeong	0.34 s	Java	2021-11-22 01:21:11
5	Jeffrey Formica	0.35 s	Java	2023-03-31 13:47:55
6	Luke Eales	0.37 s	Java	2023-07-02 16:13:44
7	Doug Goodman	0.38 s	Java	2021-05-27 22:20:50
8	Jason Huang	0.38 s	Java	2021-11-22 01:27:33
9	Kevin Lim Yong Shen	0.38 s	Java	2021-12-07 09:41:47
10	Mark Sturtevant	0.39 s	Java	2023-03-24 19:50:36

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.13 s	JavaScript (SpiderMonkey)	2022-06-30 00:32:47
2	Bjørn Chr. Soltvedt	0.14 s	JavaScript (SpiderMonkey)	2021-02-10 03:43:53
3	Christian Pilegaard Cederquist	0.36 s	JavaScript (SpiderMonkey)	2023-04-02 08:47:31

#	User	Runtime	Language	Date
1	Noszály Csaba	0.51 s	Julia	2025-04-09 10:40:31
2	Timothy Gaede	0.51 s	Julia	2025-10-17 05:38:15

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.54 s	Kotlin	2024-06-12 18:35:43
2	Adam Rankin	0.56 s	Kotlin	2023-09-01 06:41:07
3	Viktor Andersson	0.57 s	Kotlin	2023-07-18 14:26:40
4	Sergey Jakobsen	0.68 s	Kotlin	2021-03-15 12:52:23

#	User	Runtime	Language	Date
1	Agis Daniels	0.14 s	Python 2	2021-12-08 13:54:06
2	Hasan Kalzi	0.17 s	Python 2	2022-06-17 16:48:12
3	Andreas Björklund	0.18 s	Python 2	2021-03-30 18:24:41

#	User	Runtime	Language	Date
1	Agis Daniels	0.17 s	Python 3	2021-12-08 13:52:57
2	Jure Kovac	0.17 s	Python 3	2022-04-13 19:01:59
3	Millie Lægreid Solem	0.18 s	Python 3	2022-11-09 18:45:40
4	Kristian TJelta Johansen	0.18 s	Python 3	2023-02-17 18:38:23
5	Igor Momcilovic	0.18 s	Python 3	2023-02-18 15:52:26
6	Joshua Jung	0.18 s	Python 3	2023-03-24 21:42:39
7	Hidden user	0.18 s	Python 3	2023-03-24 21:57:24
8	Mikael Fiala-Lundström	0.18 s	Python 3	2023-06-30 15:08:59
9	Petr	0.19 s	Python 3	2024-11-21 23:43:33
10	Hasan Kalzi	0.20 s	Python 3	2022-06-17 16:47:14

#	User	Runtime	Language	Date
1	Thomas Feld	0.40 s	Ruby	2023-03-07 12:09:18

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-08-16 21:20:37
2	Melker Forsberg	0.02 s	Rust	2023-06-29 22:36:59
3	Ng Tek In	0.03 s	Rust	2022-08-31 18:30:30
4	Nicholas	0.03 s	Rust	2023-07-09 19:33:30
5	Bas Dirks	0.03 s	Rust	2024-01-02 19:26:48
6	Michael Droogleever Fortuyn	0.05 s	Rust	2022-02-19 17:15:17
7	Aaron Lengyel	0.11 s	Rust	2022-10-16 00:21:15
8	Hidden user	0.19 s	Rust	2023-07-03 11:18:11

#	User	Length	Language	Date
1	Caeden Whitaker	585	C	2022-01-02 05:12:16
2	Mirel Cosulschi	718	C	2025-02-28 18:58:34
3	vitriol	1187	C	2022-03-27 20:04:00
4	Adam Lumio	1708	C	2024-02-16 20:47:11
5	Eyleifur Bjarkason	8075	C	2023-01-23 22:01:29

#	User	Length	Language	Date
1	Emad aldeen Issawi	1369	C#	2023-07-10 11:04:16

#	User	Length	Language	Date
1	黃浚誠	397	C++	2021-04-21 14:18:36
2	黃浚誠	397	C++	2021-04-21 15:33:00
3	黃浚瑜	416	C++	2021-04-21 14:12:29
4	Asifur Rahman	465	C++	2024-04-07 20:31:47
5	Hidden user	472	C++	2022-06-29 18:45:01
6	poopoo peepee	492	C++	2021-03-09 09:02:01
7	Kyle Chui	500	C++	2021-11-22 01:59:47
8	Rafael Kristoforus Yanto	509	C++	2025-02-10 07:08:07
9	Hà Trần	511	C++	2021-12-08 17:07:16
10	Jesús Pacheco Alonso	514	C++	2023-09-28 13:09:43

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	979	F#	2023-02-19 09:12:34

#	User	Length	Language	Date
1	Norbert Voelker	855	Go	2021-11-23 15:19:53

#	User	Length	Language	Date
1	Mason Barnhill	523	Haskell	2023-07-16 22:45:11
2	Steinar Simonnes	704	Haskell	2024-06-25 14:43:56
3	Ng Tek In	757	Haskell	2022-08-31 18:25:06
4	Brent Yorgey	3624	Haskell	2021-02-16 12:17:50

#	User	Length	Language	Date
1	Jason Liu	681	Java	2023-05-25 03:27:39
2	Evan Magill	736	Java	2022-11-29 00:39:42
3	Doug Goodman	909	Java	2021-05-27 22:20:50
4	Kalem Holiday Schrock	938	Java	2023-04-22 21:53:11
5	Oliver Garza	938	Java	2023-12-02 20:37:01
6	Saksham Puri	949	Java	2022-10-15 23:00:14
7	Taylor Wong	984	Java	2022-10-15 20:33:54
8	Eric Leow Yu Quan	1015	Java	2021-05-02 14:45:49
9	Crystal Sharpe	1116	Java	2021-02-07 10:23:21
10	Ihor Shykaiev	1151	Java	2023-07-21 13:51:34

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	426	JavaScript (SpiderMonkey)	2021-02-10 03:43:53
2	Christian Pilegaard Cederquist	562	JavaScript (SpiderMonkey)	2023-04-02 08:47:31
3	Jimmy Gustafsson	650	JavaScript (SpiderMonkey)	2022-06-30 00:32:47

#	User	Length	Language	Date
1	Noszály Csaba	181	Julia	2025-04-09 14:20:00
2	Timothy Gaede	584	Julia	2025-10-17 05:38:15

#	User	Length	Language	Date
1	Sergey Jakobsen	527	Kotlin	2021-03-15 12:52:23
2	Adam Rankin	809	Kotlin	2023-09-01 06:41:07
3	Viktor Andersson	956	Kotlin	2023-07-18 14:26:40
4	Martijn Muijsers	1213	Kotlin	2024-06-12 18:35:43

#	User	Length	Language	Date
1	Andreas Björklund	313	Python 2	2021-03-30 18:24:41
2	Agis Daniels	545	Python 2	2021-12-08 13:54:06
3	Hasan Kalzi	692	Python 2	2021-04-15 11:53:12

#	User	Length	Language	Date
1	Simon Hellsten	129	Python 3	2023-06-30 20:10:19
2	Benjamin Z White	133	Python 3	2023-05-08 10:11:10
3	Peter Stauder	217	Python 3	2022-08-21 08:42:55
4	Tai Tze Kin	220	Python 3	2024-05-07 13:44:12
5	Lex Janssens	227	Python 3	2023-07-01 20:43:35
6	Thibault Raffaillac	247	Python 3	2021-04-08 19:56:40
7	Nhat Anh Bui	251	Python 3	2023-08-05 20:58:06
8	Lee Isaac	274	Python 3	2023-05-25 08:07:10
9	Suus Brommer	285	Python 3	2024-05-18 14:03:00
10	Hrant Hovhannisyan	285	Python 3	2025-05-05 08:33:01

#	User	Length	Language	Date
1	Thomas Feld	114	Ruby	2023-03-07 12:09:18

#	User	Length	Language	Date
1	Ng Tek In	700	Rust	2022-08-31 18:30:30
2	Bas Dirks	1187	Rust	2024-01-02 19:26:48
3	Nicholas	1226	Rust	2023-07-09 19:33:30
4	Hidden user	1411	Rust	2023-07-03 11:18:11
5	Melker Forsberg	1620	Rust	2023-06-29 22:36:59
6	Michael Droogleever Fortuyn	1988	Rust	2022-02-19 17:15:17
7	Aaron Lengyel	4978	Rust	2022-10-16 00:21:15
8	Vincent Lagerros	14348	Rust	2024-08-16 21:20:37

Solution running time distribution