Problem I
Landlocked — Problem Statistics

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Submissions	1180
Accepted submissions	254
Submission ratio	21.53%
Authors	230
Full solves [?]	184
Full solve Ratio	80.00%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.41 s	C	2019-12-12 14:40:48

#	User	Runtime	Language	Date
1	Dmitry Lyubshin	0.05 s	C++	2018-09-23 08:12:26
2	Arnav Sastry	0.05 s	C++	2018-11-23 16:37:22
3	Steven Halim	0.05 s	C++	2019-07-22 08:22:28
4	Kevin Chevalier	0.05 s	C++	2019-08-30 03:02:30
5	Bay Wei Heng	0.06 s	C++	2020-02-18 07:50:32
6	Alberto Verdejo	0.06 s	C++	2023-04-11 07:29:50
7	Andrew Polizzotto	0.07 s	C++	2021-01-14 02:18:04
8	Dave Kuo	0.07 s	C++	2021-02-24 12:49:36
9	Dirk Neuhäuser	0.07 s	C++	2021-11-05 16:49:12
10	Drake Cullen	0.07 s	C++	2023-04-17 03:02:21

#	User	Runtime	Language	Date
1	Bjørn Dons	0.45 s	Java	2020-06-09 20:29:06
2	Quân Anh	0.46 s	Java	2024-04-21 06:59:32
3	Danniel Alcantara	0.47 s	Java	2024-07-24 03:51:41
4	Finn Lidbetter	0.49 s	Java	2017-09-13 03:28:51
5	Kevin Lim Yong Shen	0.49 s	Java	2020-12-16 04:20:24
6	Vu Minh Hieu	0.59 s	Java	2021-02-09 10:51:17
7	Brent Yorgey	0.62 s	Java	2020-05-19 03:59:11
8	Josenildo Silva	0.65 s	Java	2018-04-28 19:07:26
9	Rene Argento	0.69 s	Java	2023-12-22 04:46:18
10	Doug Goodman	0.97 s	Java	2019-06-07 16:51:20

#	User	Runtime	Language	Date
1	Jacob Huebner	0.66 s	Kotlin	2023-02-08 01:56:56
2	Nicholas Johnson	0.91 s	Kotlin	2020-04-14 04:31:48

#	User	Runtime	Language	Date
1	Andreas Björklund	0.58 s	Python 2	2019-03-11 12:12:44

#	User	Runtime	Language	Date
1	Russell	0.47 s	Python 3	2025-09-22 00:50:29
2	Nicholas Russell Saerang	0.48 s	Python 3	2023-07-14 20:58:51
3	Hidden user	0.49 s	Python 3	2023-12-07 03:08:42
4	deadshot	0.50 s	Python 3	2023-12-05 10:46:14
5	Hidden user	0.50 s	Python 3	2024-05-07 09:10:24
6	Manoj Konkal	0.50 s	Python 3	2025-04-18 08:45:54
7	Prajwal K n	0.50 s	Python 3	2025-04-18 08:49:23
8	Jithendra. R. Patel	0.50 s	Python 3	2025-04-18 08:49:47
9	Maqsood MD	0.50 s	Python 3	2025-04-18 08:49:52
10	Shreyas Kanagi	0.50 s	Python 3	2025-04-18 08:51:11

#	User	Runtime	Language	Date
1	Hidden user	0.13 s	Rust	2025-09-26 19:07:17
2	Ng Tek In	0.58 s	Rust	2022-09-11 19:48:47

#	User	Length	Language	Date
1	Ivan Petrov	4954	C	2019-12-12 14:40:48

#	User	Length	Language	Date
1	Hidden user	1242	C++	2024-02-06 18:59:27
2	Jerrell Ezralemuel	1252	C++	2020-03-01 18:21:46
3	Markus Mathiasen	1279	C++	2023-07-31 10:22:09
4	Fredrik Hernqvist	1284	C++	2016-09-20 17:46:54
5	Hidden user	1288	C++	2019-05-07 15:37:50
6	Kelly Lu	1294	C++	2021-02-24 13:40:16
7	Hubert Teo	1305	C++	2017-03-04 06:20:04
8	Johan Wind	1312	C++	2018-04-16 15:21:14
9	Hidden user	1366	C++	2020-06-09 16:27:55
10	Bryan Wong Wei Heng	1395	C++	2020-02-19 07:01:02

#	User	Length	Language	Date
1	Doug Goodman	1928	Java	2019-06-07 16:51:20
2	Josenildo Silva	2148	Java	2018-04-28 19:07:26
3	Finn Lidbetter	2506	Java	2017-09-13 03:28:51
4	Danniel Alcantara	2556	Java	2024-07-24 03:49:51
5	Kevin Lim Yong Shen	3901	Java	2020-12-16 04:20:24
6	Vu Minh Hieu	5751	Java	2021-02-09 10:51:17
7	Quân Anh	5953	Java	2024-04-21 06:59:32
8	Brent Yorgey	6289	Java	2020-05-19 03:59:11
9	Rene Argento	6364	Java	2023-12-22 04:46:18
10	Bjørn Dons	6711	Java	2020-06-09 20:29:06

#	User	Length	Language	Date
1	Jacob Huebner	2763	Kotlin	2023-02-08 01:56:56
2	Nicholas Johnson	7806	Kotlin	2020-04-14 04:31:48

#	User	Length	Language	Date
1	Andreas Björklund	1302	Python 2	2019-03-11 12:12:44

#	User	Length	Language	Date
1	Dong Suhong	717	Python 3	2024-05-04 05:35:51
2	JI YUYU	719	Python 3	2024-05-05 09:29:12
3	deadshot	755	Python 3	2023-12-05 10:46:14
4	Nicholas Russell Saerang	773	Python 3	2023-07-14 20:58:51
5	Russell	773	Python 3	2025-09-22 00:50:29
6	Hidden user	775	Python 3	2024-05-07 09:10:24
7	Ole Vik Lysne	1001	Python 3	2024-11-24 01:02:40
8	Ng Hua Yu	1096	Python 3	2024-04-27 13:40:56
9	Oskar Haarklou Veileborg	1127	Python 3	2020-04-29 10:59:57
10	Tan Yu Wei	1210	Python 3	2024-05-21 19:09:14

#	User	Length	Language	Date
1	Ng Tek In	2570	Rust	2022-09-11 19:48:47
2	Hidden user	17963	Rust	2025-09-26 19:07:17

Solution running time distribution