Problem A
H-Index — Problem Statistics

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Submissions	8165
Accepted submissions	2266
Submission ratio	27.75%
Authors	2118
Accepted authors	1744
Author ratio	82.34%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2019-03-05 12:20:38
2	鹿目圆	0.01 s	C	2019-04-07 07:20:25
3	Eyleifur Bjarkason	0.01 s	C	2023-01-30 22:47:50
4	andromeda378	0.01 s	C	2023-12-11 19:11:52
5	Ashley Mains	0.02 s	C	2018-11-03 20:14:45
6	Mikolaj Cymcyk	0.02 s	C	2021-02-09 13:36:59
7	Hazem Ammar	0.02 s	C	2022-03-21 01:44:28
8	Julian Duniec	0.02 s	C	2023-08-27 20:44:08
9	Shikhar Maheshwari	0.02 s	C	2023-09-08 22:15:36
10	Hidden user	0.02 s	C	2024-08-15 18:49:43

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	C#	2019-05-21 20:41:46
2	Drew Hudson	0.06 s	C#	2024-07-09 21:25:58
3	Nathan Andrews	0.08 s	C#	2024-09-27 23:12:02
4	Piotr S	0.09 s	C#	2019-07-31 18:19:42
5	Emil Clemedson	0.09 s	C#	2021-09-28 11:35:54
6	Andrzej Krajniak	0.11 s	C#	2019-07-31 17:59:32
7	Rafał Celejewski	0.11 s	C#	2019-07-31 18:48:32
8	Hidden user	0.12 s	C#	2022-11-01 23:16:19

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.00 s	C++	2024-06-22 19:21:46
2	Roddy MacCrimmon	0.01 s	C++	2018-11-03 17:32:53
3	Ethan Arnold	0.01 s	C++	2018-11-10 03:14:30
4	Bay Wei Heng	0.01 s	C++	2018-12-03 15:53:06
5	Colin Hryniowski	0.01 s	C++	2019-02-13 18:41:34
6	John Ladera	0.01 s	C++	2019-03-07 01:15:07
7	William Ogletree	0.01 s	C++	2019-03-22 21:48:25
8	Greggory Kulcak	0.01 s	C++	2019-05-01 03:07:37
9	Christopher Hui	0.01 s	C++	2019-05-11 22:25:52
10	Ian DeHaan	0.01 s	C++	2019-07-05 04:08:11

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Common Lisp	2019-08-17 06:43:49
2	Ari Páll Agnarsson	0.11 s	Common Lisp	2021-02-07 11:28:53

#	User	Runtime	Language	Date
1	James Robb	0.08 s	Go	2020-05-15 16:04:22
2	Norbert Voelker	0.10 s	Go	2021-11-18 19:42:16
3	James Robb	0.12 s	Go	2020-05-15 15:32:34
4	Miguel Martinez	0.24 s	Go	2019-07-30 12:50:32

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.18 s	Haskell	2025-01-30 09:11:11
2	Shinji Koshida	0.23 s	Haskell	2025-02-05 20:19:50
3	Brent Yorgey	0.35 s	Haskell	2018-11-11 07:47:08

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.06 s	Java	2024-06-22 19:05:27
2	Samuel Klingström	0.08 s	Java	2020-06-26 18:28:43
3	Choo Jun Inn Darren	0.08 s	Java	2024-12-17 06:57:23
4	Peter Jin	0.15 s	Java	2022-09-21 16:31:38
5	Leo Pan	0.15 s	Java	2022-09-30 04:10:03
6	Alvyn Wang	0.16 s	Java	2020-11-13 05:55:36
7	Aurélien Pepin	0.17 s	Java	2020-03-09 21:41:43
8	Liam Keliher	0.18 s	Java	2018-11-05 11:44:06
9	Maxim	0.18 s	Java	2022-09-27 21:57:48
10	Hidden user	0.19 s	Java	2018-11-03 17:28:15

#	User	Runtime	Language	Date
1	John Ladera	0.12 s	JavaScript (Node.js)	2019-05-03 07:41:42
2	Sander Hellesø	0.16 s	JavaScript (Node.js)	2019-04-19 06:35:54

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.06 s	JavaScript (SpiderMonkey)	2018-12-09 19:12:42
2	Christian Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-04-04 01:38:38

#	User	Runtime	Language	Date
1	Timothy Gaede	0.52 s	Julia	2024-08-14 03:29:36

#	User	Runtime	Language	Date
1	Jacob Huebner	0.26 s	Kotlin	2021-10-21 01:26:14
2	Sam Keyser	0.29 s	Kotlin	2022-06-05 08:57:52
3	Nicholas Johnson	0.33 s	Kotlin	2021-10-18 22:39:59
4	Hidden user	0.36 s	Kotlin	2019-12-16 23:07:25
5	Mitchell Johnstone	0.37 s	Kotlin	2022-06-05 08:47:41
6	Adam Rankin	0.53 s	Kotlin	2023-05-15 07:08:25
7	Navya Zaveri	0.55 s	Kotlin	2019-12-15 04:08:11
8	Nithin Chalapathi	0.81 s	Kotlin	2018-11-03 19:46:40

#	User	Runtime	Language	Date
1	Caleb Austin	0.07 s	Lua	2024-09-27 23:38:18

#	User	Runtime	Language	Date
1	Erik K	0.13 s	OCaml	2020-09-14 07:32:59

#	User	Runtime	Language	Date
1	Adriaan de Vries	0.46 s	Prolog	2020-02-13 20:50:51

#	User	Runtime	Language	Date
1	Greg Hamerly	0.05 s	Python 2	2018-11-10 03:23:27
2	Hermon Mulat	0.05 s	Python 2	2018-11-18 00:04:59
3	Kristjan Orri	0.06 s	Python 2	2019-03-16 14:55:41
4	Bjarni Jens Kristinsson	0.06 s	Python 2	2019-05-17 13:11:27
5	Kristrún Skúladóttir	0.06 s	Python 2	2019-05-19 15:23:34
6	Bertrand Evertz	0.06 s	Python 2	2020-01-12 19:01:35
7	Johan Lyts	0.06 s	Python 2	2020-03-11 14:25:32
8	Yanmarshus Bachtiar	0.06 s	Python 2	2020-09-25 07:47:42
9	Måns Magnusson	0.07 s	Python 2	2018-11-08 23:15:11
10	Nishka Awasthi	0.07 s	Python 2	2022-09-29 23:18:52

#	User	Runtime	Language	Date
1	Artjom Vysotski	0.06 s	Python 3	2025-04-03 12:11:44
2	Enzio Kam Hai Hong	0.07 s	Python 3	2019-07-26 05:16:15
3	Adam Pehrson	0.07 s	Python 3	2022-06-07 00:49:37
4	Christopher E. Smith	0.07 s	Python 3	2025-01-16 18:23:22
5	Jarin Thundathil	0.07 s	Python 3	2025-02-12 01:27:48
6	Mehran R	0.07 s	Python 3	2025-02-14 03:22:00
7	Payton Knezek	0.07 s	Python 3	2025-02-21 22:40:06
8	Hidden user	0.07 s	Python 3	2025-02-21 22:46:04
9	Eduardo Alvarez Hernandez	0.07 s	Python 3	2025-02-21 23:09:09
10	Hidden user	0.07 s	Python 3	2025-02-22 01:58:26

#	User	Runtime	Language	Date
1	Miorel Palii	0.09 s	Ruby	2018-11-04 16:42:20
2	Hidden user	0.10 s	Ruby	2019-03-21 12:42:25
3	Thomas Feld	0.10 s	Ruby	2023-02-07 10:55:03

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-07-07 21:22:00
2	Klas af Geijerstam	0.01 s	Rust	2020-10-13 13:08:27
3	Akemi Izuko	0.01 s	Rust	2023-09-05 01:30:44
4	Egor Kulikov	0.01 s	Rust	2025-02-07 13:04:39
5	Robert Janczewski	0.02 s	Rust	2020-02-09 18:00:52
6	Lars Tveito	0.02 s	Rust	2020-07-04 19:07:56
7	Alex	0.02 s	Rust	2020-11-15 18:08:18
8	Pahlevi Fikri Auliya	0.02 s	Rust	2021-03-17 00:21:23
9	Bas Dirks	0.02 s	Rust	2022-01-28 12:53:08
10	Mckinley Xie	0.02 s	Rust	2025-02-21 23:05:20

#	User	Length	Language	Date
1	鹿目圆	345	C	2019-04-07 08:12:00
2	Hidden user	403	C	2024-08-15 18:49:43
3	Julian Duniec	437	C	2023-08-27 20:44:08
4	Mikolaj Cymcyk	507	C	2021-02-09 13:36:59
5	andromeda378	567	C	2023-12-11 19:11:52
6	Max McGinty	577	C	2025-02-13 21:07:14
7	Shikhar Maheshwari	1027	C	2023-09-08 22:15:36
8	Ashley Mains	1154	C	2018-11-03 20:14:45
9	Sambit Palit	1324	C	2020-12-01 04:24:32
10	Bergur Snorrason	1695	C	2021-02-02 09:02:36

#	User	Length	Language	Date
1	Hidden user	626	C#	2022-11-01 23:16:19
2	Drew Hudson	741	C#	2024-07-09 21:25:58
3	Emil Clemedson	758	C#	2021-09-28 11:35:54
4	Nathan Andrews	784	C#	2024-09-27 23:12:02
5	Piotr S	3125	C#	2019-07-31 18:19:42
6	Andriy Zyevakov	7392	C#	2019-05-21 20:41:46
7	Rafał Celejewski	9159	C#	2019-07-31 18:48:32
8	Andrzej Krajniak	10552	C#	2019-07-31 17:59:32

#	User	Length	Language	Date
1	Steven Gay	204	C++	2023-10-28 21:11:08
2	Emmanuel Anaya	233	C++	2020-11-03 06:21:30
3	Zane Yu	239	C++	2019-02-05 14:26:50
4	Anca Barbu	239	C++	2019-10-09 15:33:43
5	Mangesh Sakordekar	259	C++	2023-02-25 18:51:50
6	Ernest Ng Zi Xuan	260	C++	2023-08-20 11:12:36
7	Way Tan	263	C++	2018-12-06 15:17:00
8	Thanaporn Kitworakiat	269	C++	2024-04-10 11:05:34
9	Dinu Rares Mihai	272	C++	2019-10-08 12:45:17
10	Charlie Liu	278	C++	2023-08-21 18:03:52

#	User	Length	Language	Date
1	Hidden user	383	Common Lisp	2019-08-17 06:38:34
2	Ari Páll Agnarsson	2813	Common Lisp	2021-02-07 11:28:53

#	User	Length	Language	Date
1	Norbert Voelker	584	Go	2021-11-18 19:42:16
2	Miguel Martinez	614	Go	2019-07-30 12:50:32
3	James Robb	931	Go	2020-05-15 16:04:22
4	James Robb	998	Go	2020-05-15 15:33:11

#	User	Length	Language	Date
1	Shinji Koshida	272	Haskell	2025-02-05 20:19:50
2	Steinar Simonnes	585	Haskell	2025-01-30 09:11:11
3	Brent Yorgey	812	Haskell	2018-11-11 07:47:08

#	User	Length	Language	Date
1	Duncan Page	361	Java	2019-10-14 23:56:43
2	Zhou Long	405	Java	2022-07-27 21:15:52
3	John Huddleston	409	Java	2024-04-11 23:18:38
4	Petru-Florin Mihancea	414	Java	2019-04-15 17:52:50
5	Sam Huynh	424	Java	2021-09-09 11:19:18
6	Ronda Boyle	434	Java	2018-11-03 17:57:39
7	Abdelrahman Mokbel	468	Java	2021-09-09 17:53:54
8	Himanshu	485	Java	2019-03-23 20:38:40
9	Stevan Gates	491	Java	2018-11-03 19:45:39
10	Crystal Sharpe	492	Java	2020-01-13 04:48:12

#	User	Length	Language	Date
1	Sander Hellesø	656	JavaScript (Node.js)	2019-04-19 06:35:54
2	John Ladera	3756	JavaScript (Node.js)	2019-05-03 07:55:50

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	254	JavaScript (SpiderMonkey)	2018-12-09 19:15:02
2	Christian Cederquist	284	JavaScript (SpiderMonkey)	2023-04-04 01:38:38

#	User	Length	Language	Date
1	Timothy Gaede	781	Julia	2024-08-14 03:29:36

#	User	Length	Language	Date
1	Sam Keyser	299	Kotlin	2022-06-05 08:57:52
2	Adam Rankin	464	Kotlin	2023-05-15 07:08:25
3	Hidden user	476	Kotlin	2019-12-16 23:07:25
4	Mitchell Johnstone	687	Kotlin	2022-06-05 08:47:41
5	Nithin Chalapathi	908	Kotlin	2018-11-03 19:46:40
6	Jacob Huebner	1038	Kotlin	2021-10-21 01:26:14
7	Navya Zaveri	1608	Kotlin	2019-12-15 04:08:11
8	Nicholas Johnson	2167	Kotlin	2021-10-18 22:39:59

#	User	Length	Language	Date
1	Caleb Austin	318	Lua	2024-09-27 23:38:18

#	User	Length	Language	Date
1	Erik K	2385	OCaml	2020-09-14 07:32:59

#	User	Length	Language	Date
1	Adriaan de Vries	1570	Prolog	2020-02-13 20:50:51

#	User	Length	Language	Date
1	Måns Magnusson	140	Python 2	2018-11-08 23:15:11
2	Thomas Feld	147	Python 2	2019-10-16 16:41:35
3	Maj Stenmark	154	Python 2	2018-11-08 23:26:50
4	Andreas Björklund	159	Python 2	2019-03-05 19:49:32
5	Lars Åström	167	Python 2	2018-11-15 14:25:33
6	Nishka Awasthi	178	Python 2	2022-09-29 23:18:52
7	Guan Yang Ze	195	Python 2	2019-10-09 04:49:29
8	Johan Lyts	202	Python 2	2020-03-10 21:43:20
9	Greg Hamerly	264	Python 2	2018-11-10 03:23:27
10	Yanmarshus Bachtiar	266	Python 2	2020-09-25 07:47:42

#	User	Length	Language	Date
1	Clement Oh	79	Python 3	2023-05-20 09:08:52
2	Benjamin Z White	85	Python 3	2023-04-22 01:05:33
3	Christopher Jernberg	94	Python 3	2022-12-31 19:33:49
4	Kaaden RumanCam	95	Python 3	2023-09-05 18:18:05
5	Joey Pabalan	98	Python 3	2025-04-03 03:48:12
6	Alexandre Douard	104	Python 3	2024-03-21 01:09:50
7	Farzam Abrishami	113	Python 3	2023-12-31 03:00:18
8	Lee Isaac	116	Python 3	2023-01-23 22:03:31
9	Ahmed Chamseddine	116	Python 3	2024-06-14 20:34:31
10	Kaustubh Krishna	122	Python 3	2023-12-25 19:21:35

#	User	Length	Language	Date
1	Thomas Feld	58	Ruby	2023-02-07 11:38:38
2	Hidden user	129	Ruby	2019-03-21 12:42:25
3	Miorel Palii	225	Ruby	2018-11-04 16:42:20

#	User	Length	Language	Date
1	Lars Tveito	420	Rust	2020-07-04 19:07:56
2	Bas Dirks	429	Rust	2022-01-28 12:53:08
3	Robert Janczewski	575	Rust	2020-02-09 18:00:52
4	Alex	637	Rust	2020-11-15 18:08:18
5	Akemi Izuko	913	Rust	2023-09-05 01:30:44
6	Aram Ebtekar	1109	Rust	2019-05-11 20:29:24
7	Mckinley Xie	1168	Rust	2025-02-21 23:05:20
8	Pahlevi Fikri Auliya	2128	Rust	2021-03-17 00:21:23
9	Klas af Geijerstam	6120	Rust	2020-10-13 13:08:27
10	Vincent Lagerros	9073	Rust	2024-07-07 21:22:00

Solution running time distribution