Problem F
Hay Points — Problem Statistics

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Submissions	6540
Accepted submissions	3247
Submission ratio	49.65%
Authors	2723
Full solves [?]	2477
Full solve Ratio	90.97%

#	User	Runtime	Language	Date
1	Danny Robinson	0.08 s	Bash	2023-09-26 03:24:27

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C	2016-05-06 04:37:21
2	Marcus Larsson	0.03 s	C	2014-06-29 21:40:49
3	Merih Bora Poçan	0.03 s	C	2026-01-16 03:08:49
4	Hidden user	0.04 s	C	2017-05-29 00:56:25
5	Erik Hedlund	0.04 s	C	2021-02-13 15:57:03
6	Duane Currie	0.05 s	C	2019-03-28 02:21:21
7	Sambit Palit	0.05 s	C	2020-09-18 02:24:33
8	Cuong Giap Minh	0.06 s	C	2016-04-26 11:17:02
9	Jessica Jimantoro	0.06 s	C	2019-09-30 20:17:37
10	Dylan Strickley	0.06 s	C	2022-11-17 00:55:29

#	User	Runtime	Language	Date
1	Steven Heinen	0.08 s	C#	2023-08-25 16:04:02
2	Simon Mathiasen	0.08 s	C#	2025-12-12 23:47:43
3	Przemysław Curzytek	0.09 s	C#	2016-12-18 21:30:26
4	Duelene Olson	0.09 s	C#	2017-04-11 03:31:19
5	Rasmus Brants	0.09 s	C#	2017-04-25 12:45:26
6	Andrzej Krajniak	0.09 s	C#	2017-11-14 18:04:11
7	Marek	0.09 s	C#	2017-11-14 18:26:08
8	Diego Rico Reyes	0.09 s	C#	2023-11-27 02:17:53
9	Fredrik Jacobsson	0.09 s	C#	2024-01-29 01:02:03
10	Oliver Laursen	0.09 s	C#	2025-01-25 22:13:28

#	User	Runtime	Language	Date
1	Martin Stensgård	0.01 s	C++	2018-04-28 20:02:00
2	Daniel Schemmel	0.02 s	C++	2016-10-02 05:27:50
3	Jonathan Hallström	0.02 s	C++	2022-09-18 14:20:37
4	Md. Sohel Rana	0.02 s	C++	2025-11-08 14:07:46
5	Grae Yeandle	0.03 s	C++	2016-12-15 18:36:43
6	Oskar Nehlin	0.03 s	C++	2017-08-01 18:37:09
7	Jesper Mjörnman	0.03 s	C++	2019-09-10 13:57:48
8	Jesper Mjörnman	0.03 s	C++	2019-09-14 11:29:15
9	Alexander Henne	0.03 s	C++	2019-10-10 23:39:10
10	Agis Daniels	0.03 s	C++	2021-12-11 18:53:48

#	User	Runtime	Language	Date
1	Simon Echers	0.18 s	F#	2022-01-18 02:51:04
2	Jacob Harris Cryer Kragh	0.23 s	F#	2022-10-08 15:00:17

#	User	Runtime	Language	Date
1	Thomas	0.04 s	Go	2024-01-19 03:35:19
2	Norbert Voelker	0.06 s	Go	2021-05-02 20:15:49
3	Krzysztof Gibuła	0.07 s	Go	2019-01-15 23:46:02
4	Erik Rairden	0.08 s	Go	2020-09-30 08:44:16
5	Nicolai Hellesnes	0.10 s	Go	2023-06-17 16:53:23
6	Asmus Tørsleff	0.12 s	Go	2021-09-01 00:20:21
7	Johan Fogelström	0.15 s	Go	2014-12-21 23:12:36
8	Việt Hà Nguyễn	0.15 s	Go	2016-06-24 17:49:03
9	Anthony Alves	0.15 s	Go	2017-01-28 22:59:50
10	Hidden user	0.27 s	Go	2021-03-10 22:10:15

#	User	Runtime	Language	Date
1	Tim Put	0.05 s	Haskell	2021-04-20 07:28:42
2	Christian Leipe	0.10 s	Haskell	2022-01-10 21:37:30
3	Birk Tjelmeland	0.13 s	Haskell	2018-01-01 23:47:40
4	Vladislav Utkin	0.13 s	Haskell	2024-11-08 14:45:37
5	Steinar Simonnes	0.14 s	Haskell	2024-02-12 12:54:27
6	Chan Ken	0.38 s	Haskell	2021-08-16 18:40:32
7	Hidden user	0.39 s	Haskell	2015-01-19 13:21:21
8	Wilfried van Asten	0.39 s	Haskell	2015-12-20 10:58:09
9	Aurélien Pepin	0.39 s	Haskell	2019-09-03 18:03:21
10	Hidden user	0.39 s	Haskell	2019-09-04 13:03:35

#	User	Runtime	Language	Date
1	William Fiset	0.19 s	Java	2016-07-05 07:34:04
2	Samuel Klingström	0.19 s	Java	2017-05-11 20:16:10
3	Dat Vo Nguyen Tien	0.19 s	Java	2022-01-20 13:29:37
4	Ahmad Barhamje	0.20 s	Java	2018-11-01 02:40:23
5	Simon Klein	0.21 s	Java	2011-09-24 18:32:47
6	Akhil Chaudhary	0.24 s	Java	2019-11-21 11:24:13
7	Fredrik Atmer	0.25 s	Java	2007-09-21 16:39:34
8	Staffan Rydström	0.25 s	Java	2011-09-24 13:52:18
9	Axel Lewenhaupt	0.25 s	Java	2013-05-16 10:04:07
10	Kai Widell Niigata	0.25 s	Java	2014-05-12 23:37:45

#	User	Runtime	Language	Date
1	Sander Hellesø	0.14 s	JavaScript (Node.js)	2019-04-14 09:12:15
2	Tuncay Alarcin	0.16 s	JavaScript (Node.js)	2023-10-29 18:35:57
3	Samuel Högfeldt	0.19 s	JavaScript (Node.js)	2022-08-04 08:34:13
4	Ronit Mishra	0.19 s	JavaScript (Node.js)	2025-01-26 10:52:57
5	Sönke Schümann	0.50 s	JavaScript (Node.js)	2020-11-02 13:53:16
6	Christopher Walther	0.50 s	JavaScript (Node.js)	2021-04-16 14:46:50
7	Khin Nyunt	0.51 s	JavaScript (Node.js)	2021-11-16 17:11:22
8	Chris Wong	0.53 s	JavaScript (Node.js)	2022-01-17 19:50:39
9	Niamh Limerick	0.55 s	JavaScript (Node.js)	2022-03-18 14:45:20
10	Jeremiah Ang	0.56 s	JavaScript (Node.js)	2020-09-10 03:52:46

#	User	Runtime	Language	Date
1	Peter Kedemo	0.12 s	JavaScript (SpiderMonkey)	2016-01-01 09:04:12
2	Jimmy Gustafsson	0.13 s	JavaScript (SpiderMonkey)	2024-08-13 23:31:16
3	Bjørn Chr. Soltvedt	0.14 s	JavaScript (SpiderMonkey)	2016-03-06 15:23:39
4	Samuel Jefferis	0.14 s	JavaScript (SpiderMonkey)	2020-12-02 01:48:05
5	Christian Pilegaard Cederquist	0.14 s	JavaScript (SpiderMonkey)	2022-10-24 13:59:31
6	Zach Tschetter	0.14 s	JavaScript (SpiderMonkey)	2023-04-26 18:09:23
7	Andri Rafn	0.16 s	JavaScript (SpiderMonkey)	2018-04-24 19:53:28
8	Dipendra Ranjitkar	0.16 s	JavaScript (SpiderMonkey)	2025-01-29 10:45:47
9	Andri Andresson	0.48 s	JavaScript (SpiderMonkey)	2018-04-25 20:42:46

#	User	Runtime	Language	Date
1	Timothy Gaede	0.66 s	Julia	2024-04-16 16:27:21

#	User	Runtime	Language	Date
1	Nico Metger	0.43 s	Kotlin	2021-10-29 17:04:25
2	Jacob Huebner	0.44 s	Kotlin	2020-06-25 06:46:27
3	James WIlliams	0.64 s	Kotlin	2020-09-20 21:24:27
4	Adam Rankin	0.64 s	Kotlin	2023-05-10 22:19:31
5	Sergey Jakobsen	0.66 s	Kotlin	2021-03-25 18:40:22
6	Dayan Ruben Gonzalez	0.67 s	Kotlin	2020-09-28 17:54:13
7	Hidden user	0.71 s	Kotlin	2017-11-30 09:14:40
8	Phường Lên	0.71 s	Kotlin	2019-11-06 22:30:12
9	Troy Warmboe	0.75 s	Kotlin	2020-02-20 21:18:06
10	Neil Harmon	0.82 s	Kotlin	2019-06-18 12:30:19

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	OCaml	2024-11-02 04:23:37
2	Philip White	0.10 s	OCaml	2025-12-02 16:26:03

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.13 s	PHP	2018-05-19 02:20:46

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Python 2	2011-09-20 10:56:47
2	Andreas Serra	0.07 s	Python 2	2013-05-11 16:46:16
3	Ingibergur Sindri Stefnisson	0.07 s	Python 2	2014-12-02 12:55:33
4	Christofer Ohlsson	0.07 s	Python 2	2015-03-27 19:59:50
5	Mayur Mohite	0.07 s	Python 2	2015-04-22 20:33:55
6	Amarveer Singh	0.07 s	Python 2	2015-06-24 11:06:51
7	Jonas Kylling	0.07 s	Python 2	2015-09-20 16:55:06
8	Lars Tveito	0.07 s	Python 2	2015-09-26 23:08:38
9	Cliodhna Harrison	0.07 s	Python 2	2017-08-17 17:14:42
10	Ciara Godwin	0.07 s	Python 2	2017-10-02 09:33:46

#	User	Runtime	Language	Date
1	Kasra Ghodsi	0.08 s	Python 3	2018-05-02 13:37:43
2	Fred Bloggs	0.08 s	Python 3	2019-03-29 12:32:26
3	Theo Coyne Morgan	0.08 s	Python 3	2019-04-07 05:20:08
4	Petr	0.08 s	Python 3	2025-07-13 22:12:58
5	Ram Basnet	0.09 s	Python 3	2017-12-08 03:41:29
6	Karthik Nayak	0.09 s	Python 3	2018-09-28 00:21:21
7	Tobias Bengtsson	0.09 s	Python 3	2018-11-03 10:14:37
8	Aldric Bek	0.09 s	Python 3	2018-12-29 19:02:03
9	Anthony Inthavong	0.09 s	Python 3	2018-12-31 05:00:26
10	Vincent Tandya	0.09 s	Python 3	2019-01-13 18:32:53

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	Ruby	2019-12-15 17:39:54
2	Oleg Smelov	0.13 s	Ruby	2019-02-21 21:03:10
3	Kok Dith	0.13 s	Ruby	2021-08-25 15:53:10
4	Rosa Gutierrez	0.14 s	Ruby	2022-05-11 20:33:19
5	Ajai Nelson	0.14 s	Ruby	2023-02-04 20:09:44
6	Thomas Feld	0.14 s	Ruby	2023-02-28 14:23:34
7	Clement Oh	0.14 s	Ruby	2024-03-03 11:07:45
8	Kevin Suwala	0.18 s	Ruby	2017-01-15 15:27:42

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-08-09 18:07:47
2	David Rasch	0.02 s	Rust	2020-11-17 11:10:58
3	Rasmus Kaj	0.02 s	Rust	2021-02-06 14:22:18
4	Bas Dirks	0.02 s	Rust	2022-01-06 22:23:37
5	Hidden user	0.02 s	Rust	2022-10-26 05:21:08
6	Joshua Zygmunt	0.02 s	Rust	2022-11-23 01:43:43
7	Hidden user	0.02 s	Rust	2023-05-01 12:10:25
8	Nicholas Johansan	0.02 s	Rust	2023-06-18 08:59:25
9	Aleksander	0.02 s	Rust	2024-11-01 20:16:48
10	Aza Maulana Hadi	0.02 s	Rust	2025-08-03 19:03:11

#	User	Length	Language	Date
1	Danny Robinson	78	Bash	2023-09-26 03:24:27

#	User	Length	Language	Date
1	Mirel Cosulschi	953	C	2025-04-22 14:27:05
2	Calvin	1248	C	2026-01-23 15:23:42
3	Marcus Larsson	1281	C	2014-06-29 21:48:51
4	Sashank Chundi	1361	C	2025-09-01 04:55:45
5	Erik Hedlund	1423	C	2021-02-13 21:17:30
6	Merih Bora Poçan	1455	C	2026-01-16 03:08:49
7	Julian Duniec	1533	C	2023-08-26 19:19:01
8	Sami Al Chalati	1579	C	2024-11-01 22:52:34
9	Ximun Castoreo	1583	C	2020-07-08 17:02:11
10	PhilCampbell	1642	C	2021-02-18 12:40:03

#	User	Length	Language	Date
1	Garway Mei	819	C#	2019-11-21 13:14:09
2	Simon Mathiasen	831	C#	2025-12-12 23:47:43
3	Thomas Norris	926	C#	2019-11-01 18:33:35
4	Göran Andersson	1034	C#	2022-05-19 13:17:36
5	Þorsteinn Þorvaldsson	1085	C#	2017-06-02 21:47:53
6	Eric Weiss	1090	C#	2022-09-09 18:40:35
7	Keang Hok	1095	C#	2015-08-31 06:05:07
8	Raja Sanjeev Kumar Nakka	1117	C#	2016-06-29 21:24:13
9	Rasmus Johansson	1195	C#	2022-12-02 11:11:30
10	Tonny Abrahamsson	1200	C#	2025-08-29 17:10:45

#	User	Length	Language	Date
1	Frans Meulenbroeks	226	C++	2024-10-29 13:01:13
2	Antonio Molina Lovett	257	C++	2016-08-11 09:27:09
3	Nathan Wu	323	C++	2022-08-11 01:52:02
4	Erallesa Putra Sandeni	326	C++	2016-09-20 06:39:31
5	Tran Thanh Liem	330	C++	2016-09-05 17:43:12
6	Altamish Arif	334	C++	2015-09-22 09:44:58
7	Tai Tran	339	C++	2019-02-27 13:52:11
8	黃浚瑜	339	C++	2021-07-10 09:07:37
9	Kimba SABI N'GOYE	345	C++	2021-10-06 18:42:55
10	winnie the pooh	349	C++	2021-08-30 03:34:36

#	User	Length	Language	Date
1	Simon Echers	716	F#	2022-01-18 02:51:04
2	Jacob Harris Cryer Kragh	1194	F#	2022-10-08 15:00:17

#	User	Length	Language	Date
1	James Robb	662	Go	2020-05-12 12:05:38
2	Krzysztof Gibuła	682	Go	2019-01-15 23:46:02
3	James Robb	698	Go	2020-04-29 11:53:31
4	Anthony Alves	766	Go	2017-01-28 22:59:50
5	Johan Fogelström	768	Go	2014-12-21 23:12:36
6	Việt Hà Nguyễn	804	Go	2016-06-24 17:51:17
7	Norbert Voelker	912	Go	2021-05-02 20:15:49
8	Nicolai Hellesnes	922	Go	2023-06-17 16:53:23
9	Andriy Zyevakov	964	Go	2022-12-08 16:52:38
10	Thomas	1049	Go	2024-01-19 03:35:19

#	User	Length	Language	Date
1	Tim Put	466	Haskell	2021-04-20 07:23:46
2	Christopher Whelan	485	Haskell	2025-01-27 21:01:29
3	Peter Matta	650	Haskell	2025-07-18 15:19:37
4	Joeri	685	Haskell	2023-06-22 11:34:42
5	Birk Tjelmeland	745	Haskell	2018-01-01 23:47:40
6	Brent Yorgey	746	Haskell	2017-11-04 02:56:41
7	Qi Ji	790	Haskell	2018-06-28 04:40:39
8	Hidden user	797	Haskell	2014-12-22 17:37:16
9	Aurélien Pepin	848	Haskell	2019-09-03 18:03:21
10	Christian Leipe	848	Haskell	2022-01-10 16:13:16

#	User	Length	Language	Date
1	Kurtis Van Gent	501	Java	2016-03-23 15:46:27
2	Matthew Miller	523	Java	2015-11-12 08:27:47
3	Jesse Moore	545	Java	2015-11-11 00:12:02
4	Catalina T Ionescu	551	Java	2016-11-11 06:52:14
5	Gabriela Llave	557	Java	2015-08-26 18:58:13
6	Stephen Royal	558	Java	2015-08-18 23:36:37
7	Drew Hoover	564	Java	2015-10-04 19:58:47
8	Mitchell Peterson	593	Java	2016-03-23 20:18:01
9	Yeo Tong	593	Java	2019-03-22 06:34:57
10	Khin Nyunt	596	Java	2017-11-08 16:29:12

#	User	Length	Language	Date
1	Jeremiah Ang	587	JavaScript (Node.js)	2020-09-10 03:52:46
2	Sönke Schümann	734	JavaScript (Node.js)	2020-11-02 13:53:16
3	Tuncay Alarcin	783	JavaScript (Node.js)	2023-10-29 18:35:57
4	Christopher Walther	843	JavaScript (Node.js)	2021-04-16 14:46:50
5	Chris Wong	844	JavaScript (Node.js)	2022-01-17 19:50:39
6	Khin Nyunt	1069	JavaScript (Node.js)	2021-11-16 17:11:22
7	Sander Hellesø	1096	JavaScript (Node.js)	2019-04-14 09:12:15
8	Samuel Högfeldt	1101	JavaScript (Node.js)	2022-08-04 08:34:13
9	Niamh Limerick	1229	JavaScript (Node.js)	2022-03-18 14:45:20
10	Ronit Mishra	1319	JavaScript (Node.js)	2025-01-26 10:52:57

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	138	JavaScript (SpiderMonkey)	2022-10-24 14:02:00
2	Jimmy Gustafsson	171	JavaScript (SpiderMonkey)	2024-08-13 23:31:16
3	Bjørn Chr. Soltvedt	436	JavaScript (SpiderMonkey)	2016-03-06 15:23:39
4	Zach Tschetter	440	JavaScript (SpiderMonkey)	2023-04-26 18:09:23
5	Peter Kedemo	509	JavaScript (SpiderMonkey)	2016-01-01 09:04:12
6	Dipendra Ranjitkar	652	JavaScript (SpiderMonkey)	2025-01-29 10:45:47
7	Andri Rafn	710	JavaScript (SpiderMonkey)	2018-04-24 19:53:28
8	Andri Andresson	729	JavaScript (SpiderMonkey)	2018-04-25 20:58:55
9	Samuel Jefferis	895	JavaScript (SpiderMonkey)	2020-12-02 01:48:05

#	User	Length	Language	Date
1	Timothy Gaede	1726	Julia	2024-04-16 16:27:21

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	502	Kotlin	2020-09-28 17:54:13
2	Hidden user	543	Kotlin	2017-11-26 00:59:28
3	Chris Johnson	561	Kotlin	2023-05-01 15:01:52
4	Troy Warmboe	580	Kotlin	2020-02-20 21:18:06
5	Aleksander	641	Kotlin	2024-11-01 19:55:42
6	Jacob Huebner	668	Kotlin	2020-06-25 06:46:27
7	Einar Kjellback	755	Kotlin	2020-08-20 09:45:40
8	Phường Lên	779	Kotlin	2019-11-06 22:30:12
9	Adam Rankin	781	Kotlin	2023-05-10 22:19:31
10	Nico Metger	792	Kotlin	2021-10-29 17:04:25

#	User	Length	Language	Date
1	Hidden user	1619	OCaml	2024-11-02 03:35:03
2	Philip White	1994	OCaml	2025-12-02 16:26:03

#	User	Length	Language	Date
1	Susanne Ragnemalm	1070	PHP	2018-05-19 02:20:46

#	User	Length	Language	Date
1	Thomas Feld	221	Python 2	2019-08-27 14:37:33
2	Andreas Björklund	277	Python 2	2019-03-10 19:20:10
3	Johan Wind	294	Python 2	2016-08-10 18:23:31
4	Jesper Öqvist	295	Python 2	2018-10-27 10:32:55
5	Johan Lyts	296	Python 2	2019-08-05 13:48:17
6	Asger Hautop Drewsen	304	Python 2	2016-01-27 16:57:06
7	Eoin Davey	312	Python 2	2017-09-13 18:45:35
8	Cấn Cát	326	Python 2	2016-10-07 05:53:57
9	Hidden user	328	Python 2	2017-05-31 22:59:52
10	Prateek Jain	331	Python 2	2015-05-31 13:28:06

#	User	Length	Language	Date
1	Theo Coyne Morgan	153	Python 3	2023-04-07 15:22:11
2	Gustav Elmqvist	159	Python 3	2023-03-05 00:27:48
3	Ahmed Chamseddine	203	Python 3	2024-08-08 17:33:21
4	Si Jie Tan	215	Python 3	2026-01-15 05:28:44
5	Clement Oh	217	Python 3	2023-07-20 15:08:31
6	Hakan Kjellerstrand	227	Python 3	2023-02-26 20:47:11
7	Tai Tze Kin	238	Python 3	2024-05-06 22:30:02
8	Hrant Hovhannisyan	243	Python 3	2018-03-28 14:22:45
9	Noah Ó Donnaile	245	Python 3	2017-10-02 08:44:40
10	Biniyam Negasa	247	Python 3	2023-06-29 13:35:48

#	User	Length	Language	Date
1	Thomas Feld	95	Ruby	2023-02-28 14:23:34
2	Clement Oh	190	Ruby	2024-03-03 11:09:23
3	Hidden user	275	Ruby	2019-12-15 17:39:54
4	Ajai Nelson	312	Ruby	2023-02-04 20:09:44
5	Kok Dith	325	Ruby	2021-08-25 15:53:10
6	Oleg Smelov	376	Ruby	2019-02-21 21:03:10
7	Rosa Gutierrez	426	Ruby	2022-05-11 20:33:19
8	Kevin Suwala	453	Ruby	2017-01-15 15:27:42

#	User	Length	Language	Date
1	David Rasch	949	Rust	2020-11-17 11:10:58
2	Hidden user	966	Rust	2022-10-26 05:21:08
3	Will	986	Rust	2025-02-11 05:31:41
4	Raphaël Gauthier	1026	Rust	2022-07-25 09:55:11
5	Aleksander	1069	Rust	2024-11-01 20:16:48
6	Joshua Zygmunt	1099	Rust	2022-11-23 01:43:43
7	Bas Dirks	1129	Rust	2022-01-06 22:23:37
8	Solomon235	1157	Rust	2019-02-12 19:36:47
9	Nicholas Johansan	1170	Rust	2023-06-18 08:59:25
10	Isak Jägberg	1180	Rust	2024-11-01 13:41:29

Solution running time distribution