Problem J
A Vicious Pikeman (Hard) — Problem Statistics

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Submissions	3049
Accepted submissions	544
Submission ratio	17.84%
Authors	539
Full solves [?]	285
Full solve Ratio	52.88%

#	User	Runtime	Language	Date
1	Henning Koehler	0.01 s	C	2016-05-15 05:18:50
2	Ivan Petrov	0.02 s	C	2019-12-02 14:54:55
3	Lukas Rickie	0.02 s	C	2021-09-02 11:58:45
4	Bergur Snorrason	0.03 s	C	2019-02-01 10:35:09

#	User	Runtime	Language	Date
1	Simon Lindholm	0.01 s	C++	2012-03-21 19:12:52
2	Oskar Werkelin Ahlin	0.01 s	C++	2012-03-21 22:52:21
3	Lukas Polacek	0.01 s	C++	2012-03-22 12:52:36
4	Niklas Bäckström	0.01 s	C++	2012-03-22 21:19:45
5	Urban Pettersson	0.01 s	C++	2012-10-03 21:49:36
6	David Wärn	0.01 s	C++	2015-06-11 00:28:17
7	Syx Pek	0.01 s	C++	2016-01-25 12:04:07
8	Estelle Lee	0.01 s	C++	2016-01-25 12:39:56
9	Lim Yun Kai	0.01 s	C++	2016-06-21 13:02:55
10	Clarence Chew	0.01 s	C++	2017-05-10 12:42:28

#	User	Runtime	Language	Date
1	Fulano de Tal	0.07 s	Haskell	2022-02-04 05:06:59
2	Hidden user	0.07 s	Haskell	2022-05-04 11:48:09

#	User	Runtime	Language	Date
1	Henrik Sandström	0.08 s	Java	2015-02-18 21:39:41
2	Simon Klein	0.10 s	Java	2012-03-21 20:01:54
3	Erik Odenman	0.10 s	Java	2015-05-09 09:27:00
4	Kurtis Van Gent	0.10 s	Java	2016-06-13 20:53:08
5	Micah Stairs	0.10 s	Java	2016-08-16 16:26:01
6	Nick Wu	0.11 s	Java	2016-02-02 06:36:15
7	Doug Goodman	0.11 s	Java	2016-06-13 15:36:27
8	Kristoffer Åhgren	0.12 s	Java	2017-07-13 21:32:49
9	Crystal Sharpe	0.16 s	Java	2020-08-12 23:53:20
10	Chris Xinyu Li	0.18 s	Java	2019-09-09 16:12:49

#	User	Runtime	Language	Date
1	Christian Cederquist	0.54 s	JavaScript (SpiderMonkey)	2023-05-22 16:12:37

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Python 2	2017-03-22 06:56:16
2	Jessica Fang	0.05 s	Python 2	2017-03-22 07:41:16
3	Yang Li	0.05 s	Python 2	2018-05-10 06:47:29
4	Victor Zheng	0.05 s	Python 2	2018-12-14 18:10:38
5	Hidden user	0.07 s	Python 2	2017-07-12 16:24:55
6	Jesper Öqvist	0.08 s	Python 2	2018-07-14 16:26:55
7	Hermon Mulat	0.08 s	Python 2	2018-10-04 18:03:08
8	Michael Hoffmann	0.09 s	Python 2	2017-03-09 07:41:39
9	Klas Björkqvist	0.10 s	Python 2	2014-07-19 17:12:22
10	Andreas Björklund	0.43 s	Python 2	2019-03-22 05:00:58

#	User	Runtime	Language	Date
1	Michael Goldwasser	0.06 s	Python 3	2024-10-04 07:25:37
2	Ole Vik Lysne	0.07 s	Python 3	2025-02-03 12:52:32
3	Caleb Dastrup	0.07 s	Python 3	2025-05-18 20:17:42
4	Arnav Sastry	0.08 s	Python 3	2023-10-15 04:11:58
5	Paco Criado	0.08 s	Python 3	2023-10-30 23:11:27
6	Tai Tze Kin	0.08 s	Python 3	2024-03-25 17:46:34
7	Nicholas Russell Saerang	0.08 s	Python 3	2025-03-29 16:38:03
8	Isaac Lee	0.09 s	Python 3	2020-08-14 05:12:31
9	Hidden user	0.11 s	Python 3	2023-04-24 02:16:20
10	Hidden user	0.11 s	Python 3	2023-11-05 20:53:45

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-05-28 19:09:06
2	Mckinley Xie	0.02 s	Rust	2025-04-23 22:26:32
3	Daniel Anker Hermansen	0.03 s	Rust	2023-03-24 16:05:09
4	Ole Vik Lysne	0.03 s	Rust	2025-03-07 16:40:58
5	Erik Magnusson	0.04 s	Rust	2024-02-29 12:58:33

#	User	Length	Language	Date
1	Ivan Petrov	1573	C	2019-12-02 14:54:55
2	Henning Koehler	2145	C	2016-05-15 05:18:50
3	Lukas Rickie	2383	C	2021-09-02 11:58:45
4	Bergur Snorrason	6001	C	2019-02-01 10:39:59

#	User	Length	Language	Date
1	Li Yao'an	462	C++	2017-02-06 13:30:52
2	a_b__c	736	C++	2021-03-03 08:41:34
3	Johan Sannemo	747	C++	2012-03-21 23:37:51
4	Hyunjun Lee	882	C++	2023-01-12 14:30:54
5	Hiep Trinh	892	C++	2023-09-14 08:09:45
6	Joel Au	911	C++	2020-05-25 14:18:52
7	Johan Wind	952	C++	2017-05-11 18:37:27
8	David Wärn	1007	C++	2015-06-11 00:28:17
9	Evan Michael Bailey	1010	C++	2024-01-29 23:00:11
10	Rafael Kristoforus Yanto	1054	C++	2025-03-31 15:36:25

#	User	Length	Language	Date
1	Fulano de Tal	3018	Haskell	2022-02-04 05:06:59
2	Hidden user	3525	Haskell	2022-05-04 11:48:09

#	User	Length	Language	Date
1	Erik Odenman	1664	Java	2015-05-09 09:27:00
2	Doug Goodman	1694	Java	2016-06-13 15:36:27
3	Kurtis Van Gent	1814	Java	2016-06-13 20:53:08
4	Crystal Sharpe	2549	Java	2020-08-12 23:53:20
5	Chris Xinyu Li	2692	Java	2019-09-09 16:12:49
6	Micah Stairs	2770	Java	2016-08-16 16:26:01
7	Lukas Miedema	3058	Java	2017-12-09 02:43:45
8	Steven Jones	3199	Java	2019-05-05 03:04:18
9	William Li	3214	Java	2018-11-08 02:10:32
10	Nick Wu	3272	Java	2016-02-02 06:36:15

#	User	Length	Language	Date
1	Christian Cederquist	4168	JavaScript (SpiderMonkey)	2023-05-22 16:12:37

#	User	Length	Language	Date
1	Andreas Björklund	772	Python 2	2019-03-22 05:00:58
2	Klas Björkqvist	783	Python 2	2014-07-19 17:12:22
3	Hidden user	856	Python 2	2017-07-12 16:24:55
4	Jesper Öqvist	890	Python 2	2018-07-14 16:26:55
5	Victor Zheng	906	Python 2	2018-12-14 19:51:42
6	Yang Li	975	Python 2	2018-05-10 06:47:29
7	Michael Hoffmann	1147	Python 2	2017-03-09 07:41:39
8	Hermon Mulat	1225	Python 2	2018-10-04 18:11:49
9	Hidden user	1257	Python 2	2017-03-22 06:56:16
10	Jessica Fang	1355	Python 2	2017-03-22 07:41:16

#	User	Length	Language	Date
1	Ahmed Chamseddine	397	Python 3	2025-05-08 16:57:09
2	Michael Goldwasser	445	Python 3	2024-10-04 07:28:57
3	Tai Tze Kin	468	Python 3	2024-03-25 17:46:34
4	Caleb Dastrup	605	Python 3	2025-05-18 20:17:42
5	Zac Friggstad	626	Python 3	2020-12-18 16:30:36
6	Danny Chen	626	Python 3	2023-04-25 01:18:57
7	Nicholas Russell Saerang	708	Python 3	2024-03-25 18:12:04
8	Ole Vik Lysne	749	Python 3	2025-02-04 12:18:16
9	Muhammad Rais Fathin Mudzakir	794	Python 3	2025-06-18 18:52:17
10	Victor Zheng	878	Python 3	2018-12-14 19:36:46

#	User	Length	Language	Date
1	Mckinley Xie	2443	Rust	2025-04-23 22:26:32
2	Ole Vik Lysne	4602	Rust	2025-03-07 16:40:58
3	Erik Magnusson	6833	Rust	2024-02-29 12:58:33
4	Vincent Lagerros	10131	Rust	2025-05-28 18:49:20
5	Daniel Anker Hermansen	23346	Rust	2023-03-24 16:05:09

Solution running time distribution