Problem H
Sky Islands — Problem Statistics

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Submissions	5205
Accepted submissions	2071
Submission ratio	39.79%
Authors	1250
Accepted authors	1149
Author ratio	91.92%

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.02 s	C	2025-01-18 11:37:12
2	Jesus Sanchez	0.14 s	C	2023-09-19 18:57:18
3	Caleb Sanciangco	0.14 s	C	2023-09-27 23:13:37
4	ryan morehouse	0.14 s	C	2023-09-28 16:31:42
5	Aridsondez Jerome	0.14 s	C	2023-09-29 16:38:14
6	Angel Hernandez	0.14 s	C	2023-10-01 01:46:05
7	Alexander Odom	0.14 s	C	2023-10-02 22:08:43
8	shiming Li	0.14 s	C	2023-10-02 23:11:27
9	Tommy Lavadinho	0.14 s	C	2023-10-03 03:52:36
10	Ryan Toole	0.14 s	C	2023-10-03 20:33:49

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.22 s	C#	2022-12-09 18:25:24
2	Anthony Ye	0.28 s	C#	2023-04-16 18:20:56
3	traxex	0.32 s	C#	2024-05-06 18:27:29
4	Nabeel Mirza	0.40 s	C#	2023-12-24 11:08:08
5	Artemy Gavrilov	0.42 s	C#	2024-03-24 00:02:32
6	Imran Rauf	0.49 s	C#	2024-04-03 11:18:41
7	Umar Rasyid	0.61 s	C#	2025-06-20 01:22:07
8	Esty Crow	1.04 s	C#	2023-04-13 04:54:15
9	Rickard Bemm	1.25 s	C#	2022-09-03 01:35:40
10	Yuwono Bangun Nagoro	4.75 s	C#	2022-08-26 19:17:25

#	User	Runtime	Language	Date
1	Frank Endriss	0.02 s	C++	2022-05-29 09:16:47
2	Jonathan Hallström	0.02 s	C++	2022-11-23 10:31:42
3	Alexander Kravberg	0.02 s	C++	2022-12-18 00:39:10
4	Hidden user	0.03 s	C++	2022-08-15 00:40:52
5	Henry Xia	0.03 s	C++	2022-09-02 19:48:01
6	Hidden user	0.03 s	C++	2022-11-22 21:19:31
7	Chong Yong Rui	0.05 s	C++	2022-10-23 09:05:33
8	Hidden user	0.05 s	C++	2024-12-07 10:11:18
9	Patrick Huang	0.12 s	C++	2021-05-22 20:47:49
10	Nicholas Foo Chuan Le	0.12 s	C++	2022-05-30 05:48:18

#	User	Runtime	Language	Date
1	Michal Žáček	1.20 s	Common Lisp	2022-08-11 23:25:34

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	1.24 s	F#	2022-11-22 17:28:57

#	User	Runtime	Language	Date
1	Norbert Voelker	0.28 s	Go	2022-06-01 17:37:08
2	Yitian Wang	1.25 s	Go	2023-03-16 03:45:47

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.46 s	Haskell	2024-02-09 15:38:22

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.12 s	Java	2022-06-03 22:25:38
2	Ryan Tan	0.13 s	Java	2022-11-24 08:34:56
3	Hidden user	0.13 s	Java	2025-06-06 15:54:23
4	Crystal Sharpe	0.18 s	Java	2022-06-21 00:18:50
5	Ng Jian An	0.23 s	Java	2024-10-23 12:07:50
6	Liam Keliher	0.26 s	Java	2022-06-16 01:06:47
7	Matheus Monteiro	0.48 s	Java	2023-06-04 14:57:24
8	Brent Yorgey	0.50 s	Java	2022-06-10 23:03:16
9	Bjørn Dons	0.52 s	Java	2022-05-29 21:13:42
10	Ranjith M	0.52 s	Java	2023-12-10 22:28:45

#	User	Runtime	Language	Date
1	Thiago Felipe Bastos da Silva	3.03 s	JavaScript (Node.js)	2023-05-24 21:06:28

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.48 s	JavaScript (SpiderMonkey)	2024-08-03 15:13:12
2	Christian Cederquist	0.58 s	JavaScript (SpiderMonkey)	2023-01-27 14:39:26
3	Zach Tschetter	0.82 s	JavaScript (SpiderMonkey)	2023-04-15 23:28:57
4	Bjørn Chr. Soltvedt	1.82 s	JavaScript (SpiderMonkey)	2022-05-29 23:14:23

#	User	Runtime	Language	Date
1	Timothy Gaede	1.35 s	Julia	2024-05-19 04:08:08

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.99 s	Kotlin	2024-06-02 20:16:10
2	Adam Rankin	1.09 s	Kotlin	2023-05-09 06:10:17

#	User	Runtime	Language	Date
1	Hidden user	0.31 s	OCaml	2025-06-22 08:05:04
2	luna	1.37 s	OCaml	2024-04-08 19:47:39
3	Artemis Ngoh	1.89 s	OCaml	2024-04-14 12:38:08

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.62 s	Pascal	2022-06-02 11:56:30

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	5.10 s	Prolog	2023-03-04 21:34:52

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	1.83 s	Python 2	2023-07-27 06:44:48
2	Sideny Lin	2.13 s	Python 2	2021-05-22 20:57:42

#	User	Runtime	Language	Date
1	Hugo Morvan	0.05 s	Python 3	2023-04-20 00:41:43
2	jt	0.21 s	Python 3	2025-03-26 21:16:18
3	Petr	0.24 s	Python 3	2024-11-01 19:22:34
4	Victor Song	0.26 s	Python 3	2022-06-06 16:30:28
5	Ryan Tan	0.29 s	Python 3	2022-09-01 17:22:39
6	Dominic Berzin Chua Way Gin	0.29 s	Python 3	2025-04-16 18:10:45
7	Daryll Ko	0.30 s	Python 3	2022-08-02 10:56:09
8	Lai Zhuoyuan	0.33 s	Python 3	2023-04-02 09:11:19
9	Zhijie Xia	0.33 s	Python 3	2024-03-15 23:41:27
10	Christoph Dürr	0.34 s	Python 3	2024-12-07 09:17:47

#	User	Runtime	Language	Date
1	Miorel Palii	1.29 s	Ruby	2023-01-07 07:29:27

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-06-02 02:10:34
2	Jonathan Choi	0.07 s	Rust	2024-03-22 11:20:10
3	Egor Kulikov	0.07 s	Rust	2025-02-09 11:57:22
4	Isak Jägberg	0.11 s	Rust	2023-03-15 20:05:48
5	Freek van Keulen	0.13 s	Rust	2022-11-28 06:28:46
6	Ng Tek In	0.19 s	Rust	2022-08-24 17:59:35
7	Bas Dirks	0.24 s	Rust	2022-05-31 19:11:05
8	Aaron Lengyel	0.31 s	Rust	2023-04-15 21:45:35

#	User	Length	Language	Date
1	Gaelan McMillan	713	C	2022-12-03 03:07:47
2	Edward	733	C	2023-10-05 05:18:11
3	Sandy Giang	763	C	2023-10-04 20:44:21
4	Alexander Bilde Pedersen	775	C	2023-04-23 02:15:59
5	isabella b	776	C	2023-10-03 09:33:29
6	Thomas Evans	792	C	2024-05-27 01:39:06
7	Raz Sela	798	C	2023-10-04 23:34:43
8	Hade Abdelkader	805	C	2023-10-03 19:04:24
9	Alexander Odom	807	C	2023-10-02 22:08:43
10	Ashlyn Urias	809	C	2023-10-04 06:46:28

#	User	Length	Language	Date
1	traxex	702	C#	2024-05-06 18:27:29
2	Anthony Ye	930	C#	2023-04-16 18:20:56
3	Esty Crow	1046	C#	2023-04-13 04:54:15
4	Artemy Gavrilov	1183	C#	2024-03-24 00:02:32
5	Nabeel Mirza	1629	C#	2023-12-24 11:13:53
6	Imran Rauf	1995	C#	2024-04-03 11:18:41
7	Umar Rasyid	2038	C#	2025-06-20 01:22:07
8	Rickard Bemm	2178	C#	2022-09-03 01:35:40
9	Yuwono Bangun Nagoro	2195	C#	2022-08-26 19:17:25
10	Andriy Zyevakov	10100	C#	2022-12-09 18:25:24

#	User	Length	Language	Date
1	Marcus Oscarsson	445	C++	2022-09-30 00:30:12
2	Dmitry Lyubshin	463	C++	2023-03-28 11:41:41
3	Yeung Man Tsung	475	C++	2022-11-23 13:31:57
4	陳心誠	515	C++	2024-08-22 03:58:24
5	Mikael K Eriksson	529	C++	2022-06-07 13:52:18
6	Samuel Tan	537	C++	2022-12-06 17:55:47
7	Hidden user	541	C++	2023-07-20 08:41:19
8	I Lucian	542	C++	2023-07-14 14:37:47
9	Maharaj Mithu	557	C++	2023-12-27 12:05:51
10	Natasha Oprean	560	C++	2023-07-14 15:29:40

#	User	Length	Language	Date
1	Michal Žáček	614	Common Lisp	2022-08-11 23:25:34

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1260	F#	2022-11-22 17:28:57

#	User	Length	Language	Date
1	Norbert Voelker	857	Go	2022-06-01 17:37:08
2	Yitian Wang	1476	Go	2023-03-16 03:45:47

#	User	Length	Language	Date
1	Steinar Simonnes	2306	Haskell	2024-02-09 15:38:22

#	User	Length	Language	Date
1	Crystal Sharpe	871	Java	2022-06-21 00:18:50
2	Aditya Bhagavatula	939	Java	2023-11-19 01:30:36
3	Doug Goodman	1024	Java	2022-07-18 19:22:46
4	Christopher Udeh	1050	Java	2023-04-16 10:35:10
5	Suhas T. Nagar	1117	Java	2022-06-01 22:29:12
6	Bowen Yang	1144	Java	2023-09-25 02:35:59
7	Markus Bao	1153	Java	2023-04-15 12:51:39
8	Karlos Amada	1192	Java	2023-04-12 03:34:05
9	Josh Henderson	1193	Java	2023-04-20 15:42:11
10	Tamonash Chakraborty	1199	Java	2021-05-22 19:43:15

#	User	Length	Language	Date
1	Thiago Felipe Bastos da Silva	899	JavaScript (Node.js)	2023-05-24 21:09:26

#	User	Length	Language	Date
1	Jimmy Gustafsson	321	JavaScript (SpiderMonkey)	2024-08-03 15:17:53
2	Zach Tschetter	452	JavaScript (SpiderMonkey)	2023-04-15 23:28:57
3	Christian Cederquist	521	JavaScript (SpiderMonkey)	2023-01-27 14:39:26
4	Bjørn Chr. Soltvedt	19376	JavaScript (SpiderMonkey)	2022-05-29 23:14:23

#	User	Length	Language	Date
1	Timothy Gaede	1323	Julia	2024-05-19 04:08:08

#	User	Length	Language	Date
1	Adam Rankin	981	Kotlin	2023-05-09 06:10:17
2	Martijn Muijsers	1074	Kotlin	2024-06-02 20:16:10

#	User	Length	Language	Date
1	Hidden user	1017	OCaml	2025-06-22 08:05:04
2	Artemis Ngoh	1705	OCaml	2024-04-14 12:38:08
3	luna	4125	OCaml	2024-04-08 19:47:39

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1699	Pascal	2022-06-02 11:56:30

#	User	Length	Language	Date
1	Hakan Kjellerstrand	326	Prolog	2023-03-04 21:34:52

#	User	Length	Language	Date
1	Sideny Lin	897	Python 2	2021-05-22 20:57:42
2	Yanmarshus Bachtiar	1132	Python 2	2023-07-27 06:44:48

#	User	Length	Language	Date
1	Hidden user	220	Python 3	2022-11-19 23:28:45
2	Thomas Feld	223	Python 3	2022-08-26 12:35:56
3	Chen Ruoyi	236	Python 3	2022-11-16 05:54:32
4	Ahmed Chamseddine	253	Python 3	2024-08-09 15:46:19
5	Farzam Abrishami	282	Python 3	2024-01-20 16:48:20
6	Kelly Dance	299	Python 3	2023-11-14 00:18:30
7	Christian Blumenthal	300	Python 3	2023-06-28 23:54:55
8	Hugo Morvan	309	Python 3	2023-04-20 00:41:43
9	Magnus Eide-Fredriksen	328	Python 3	2023-04-24 12:01:04
10	Hu Yijie	352	Python 3	2022-11-16 11:40:16

#	User	Length	Language	Date
1	Miorel Palii	414	Ruby	2023-01-07 07:29:27

#	User	Length	Language	Date
1	Ng Tek In	1060	Rust	2022-08-24 17:59:35
2	Bas Dirks	1075	Rust	2022-05-31 19:11:05
3	Freek van Keulen	1870	Rust	2022-11-28 06:28:46
4	Isak Jägberg	2364	Rust	2023-03-15 20:05:48
5	Jonathan Choi	3777	Rust	2024-03-22 11:20:10
6	Aaron Lengyel	5079	Rust	2023-04-15 21:45:35
7	Vincent Lagerros	9524	Rust	2024-08-01 03:09:28
8	Egor Kulikov	26315	Rust	2025-02-09 11:57:22

Solution running time distribution