Problem A
Island Tour — Problem Statistics

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Submissions	532
Accepted submissions	178
Submission ratio	33.46%
Authors	168
Full solves [?]	144
Full solve Ratio	85.71%

#	User	Runtime	Language	Date
1	Bergur Snorrason	1.03 s	C	2021-04-04 09:06:18
2	Andreas Björklund	6.30 s	C	2021-11-22 19:58:34

#	User	Runtime	Language	Date
1	Thomas Beuman	0.01 s	C++	2021-04-30 15:43:18
2	Joshua Andersson	0.01 s	C++	2023-11-10 14:47:40
3	Jeroen Krijgsman	0.02 s	C++	2025-09-11 16:26:55
4	Mathias Tejs	0.04 s	C++	2021-04-03 15:18:57
5	Hazem Dalati	0.18 s	C++	2024-09-22 14:45:11
6	Dirck van den Ende	0.20 s	C++	2023-05-13 13:53:04
7	润桐 宋	0.20 s	C++	2024-04-24 10:43:01
8	天天 张	0.21 s	C++	2024-04-25 11:23:04
9	Mohsen Dehbashi	0.22 s	C++	2021-10-03 17:16:33
10	Shuxin Chen	0.23 s	C++	2021-04-04 07:17:08

#	User	Runtime	Language	Date
1	David Becerra	0.88 s	Java	2021-05-13 00:17:41
2	Doug Goodman	1.35 s	Java	2021-07-11 21:29:21
3	Nick Wu	1.43 s	Java	2025-10-22 04:12:22
4	Calvin Godfrey	2.66 s	Java	2021-04-11 23:40:01
5	Eric Leow Yu Quan	3.97 s	Java	2021-07-30 18:07:46
6	Benjamin Reidys	4.06 s	Java	2021-10-13 20:33:03
7	Alex Lind	4.58 s	Java	2021-08-26 00:52:58
8	Jonathan Guo	6.88 s	Java	2021-04-15 04:00:39

#	User	Runtime	Language	Date
1	Hidden user	7.35 s	Python 2	2021-04-15 03:26:27

#	User	Runtime	Language	Date
1	Jason Oliphant	0.26 s	Python 3	2025-03-01 21:02:44
2	Atli Fannar Franklín	0.76 s	Python 3	2021-05-05 21:58:50
3	Hidden user	1.70 s	Python 3	2022-07-24 17:36:19
4	Emiel Wiedijk	2.09 s	Python 3	2022-10-16 15:37:34
5	Jonas van der Schaaf	2.09 s	Python 3	2022-10-30 13:29:41
6	Lennart Meyling	2.92 s	Python 3	2022-11-29 00:21:15
7	Agnar Martin Bjørnstad	3.25 s	Python 3	2021-11-14 16:35:23
8	Yosuke Mizutani	3.71 s	Python 3	2021-09-04 04:36:53
9	Teoh Jun Jie	3.86 s	Python 3	2023-05-16 10:29:00
10	Oskar Haarklou Veileborg	4.43 s	Python 3	2021-04-03 21:36:26

#	User	Length	Language	Date
1	Bergur Snorrason	2404	C	2021-04-04 09:06:18
2	Andreas Björklund	2769	C	2021-11-22 19:58:34

#	User	Length	Language	Date
1	Yen-Hsiang Chang	1168	C++	2021-04-07 17:27:33
2	Yeung Man Tsung	1233	C++	2023-02-01 06:43:25
3	Chris Trevisan	1323	C++	2021-04-15 04:15:05
4	Simone Moretti	1362	C++	2022-04-05 11:07:20
5	Dmitry Lyubshin	1367	C++	2023-04-29 10:34:15
6	Dominik Kubicki	1381	C++	2021-09-24 18:20:50
7	Maximilliano Utomo Quok	1423	C++	2023-02-01 10:50:52
8	Feng Chen	1459	C++	2025-04-20 14:24:47
9	Yasmine	1470	C++	2021-04-11 12:03:00
10	Nikola Stojkovski	1475	C++	2023-08-08 16:58:58

#	User	Length	Language	Date
1	Doug Goodman	2760	Java	2021-07-11 21:29:21
2	Jonathan Guo	2975	Java	2021-04-15 04:00:39
3	Eric Leow Yu Quan	3235	Java	2021-07-30 18:07:46
4	Alex Lind	3311	Java	2021-08-26 00:52:58
5	Benjamin Reidys	3540	Java	2021-10-13 20:33:03
6	Nick Wu	3796	Java	2025-10-22 04:12:22
7	David Becerra	4256	Java	2021-05-13 00:17:41
8	Calvin Godfrey	5104	Java	2021-04-11 23:40:01

#	User	Length	Language	Date
1	Hidden user	1357	Python 2	2021-04-15 03:26:27

#	User	Length	Language	Date
1	Lennart Meyling	908	Python 3	2022-11-29 00:21:15
2	Teoh Jun Jie	948	Python 3	2023-05-16 10:29:00
3	Oskar Haarklou Veileborg	959	Python 3	2021-04-03 21:36:26
4	Yosuke Mizutani	1528	Python 3	2021-09-04 04:39:44
5	Hidden user	1662	Python 3	2022-07-24 17:36:19
6	Jonas van der Schaaf	1920	Python 3	2022-10-30 13:29:41
7	Emiel Wiedijk	1921	Python 3	2022-10-16 15:37:34
8	Atli Fannar Franklín	1999	Python 3	2021-05-05 21:58:50
9	Agnar Martin Bjørnstad	2279	Python 3	2021-11-14 16:35:23
10	Jason Oliphant	2728	Python 3	2025-03-01 21:02:44

Solution running time distribution