Problem A
Hitting the Targets — Problem Statistics

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Submissions	3919
Accepted submissions	2236
Submission ratio	57.06%
Authors	2129
Full solves [?]	2009
Full solve Ratio	94.36%

#	User	Runtime	Language	Date
1	Matzuka	0.03 s	APL	2025-04-02 10:23:31

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2025-01-22 12:11:44
2	Manish shrestha	0.01 s	Bash	2025-04-15 09:05:28

#	User	Runtime	Language	Date
1	Joe Amenta	0.02 s	C#	2014-12-01 10:42:27
2	Greg Roderick	0.02 s	C#	2015-09-23 11:40:10
3	Bartłomiej Legiędź	0.02 s	C#	2015-10-02 21:20:49
4	Niklas Huss	0.02 s	C#	2015-10-17 10:45:08
5	Tom Roberts	0.02 s	C#	2015-11-06 16:02:21
6	Faisal Rahman	0.02 s	C#	2016-01-18 01:30:20
7	Yuwono Bangun Nagoro	0.02 s	C#	2016-04-04 00:58:42
8	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-04-29 17:48:26
9	Patrick Sjöö	0.02 s	C#	2016-06-16 05:00:00
10	Robert Low	0.02 s	C#	2016-07-14 12:31:06

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-06-20 16:08:34

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.00 s	Go	2023-09-20 14:25:14
2	Chris Vilches	0.00 s	Go	2024-08-16 11:45:07
3	Luna Johnson	0.00 s	Go	2025-02-20 00:00:50
4	Norbert Voelker	0.08 s	Go	2021-04-19 17:17:40
5	Ian Howell	0.09 s	Go	2016-06-12 23:09:13

#	User	Runtime	Language	Date
1	Nikolas Kolic	0.04 s	Java	2025-02-24 21:59:08
2	Lee Heng Sheng	0.05 s	Java	2024-04-28 04:57:21
3	Lina Molina	0.05 s	Java	2025-03-13 02:43:32
4	David Hallberg Jönsson	0.06 s	Java	2015-09-05 20:58:28
5	Linda Hansson	0.06 s	Java	2015-09-15 12:55:42
6	Pål Forsberg	0.06 s	Java	2015-09-24 12:10:02
7	Dennis Ang	0.06 s	Java	2015-10-01 13:21:09
8	Daniel Taco Törbacka	0.06 s	Java	2015-10-11 13:04:58
9	Michael Ballmann	0.06 s	Java	2015-11-03 18:27:39
10	Omar Brome	0.06 s	Java	2015-11-21 08:54:30

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2024-08-15 16:00:48
2	Sander Hellesø	0.06 s	JavaScript (Node.js)	2019-04-26 22:07:02
3	Ralf Leistad	0.06 s	JavaScript (Node.js)	2019-04-26 23:39:34
4	John	0.09 s	JavaScript (Node.js)	2022-07-16 03:22:51
5	Jesper Svendgaard Åhman Hansen	0.10 s	JavaScript (Node.js)	2023-01-29 22:38:23
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 06:35:37
7	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-20 23:28:13
8	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-11-17 15:43:05
9	Niamh Limerick	0.43 s	JavaScript (Node.js)	2022-02-19 23:36:03

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-22 19:45:08
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-22 22:46:52
3	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-31 18:47:02
4	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2017-11-19 13:21:56
5	Andrew Stoute	0.02 s	JavaScript (SpiderMonkey)	2023-11-08 18:24:24
6	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-12 20:11:30
7	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2022-11-10 23:47:34
8	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2023-06-07 17:38:42
9	Evan Magill	0.03 s	JavaScript (SpiderMonkey)	2024-04-20 20:17:10
10	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-06-13 21:56:21

#	User	Runtime	Language	Date
1	Timothy Gaede	0.67 s	Julia	2024-03-26 01:08:50

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2021-10-25 19:01:03
2	Adam Rankin	0.19 s	Kotlin	2023-05-08 03:17:29
3	Emil Wihlander	0.20 s	Kotlin	2023-07-25 12:27:41
4	Neil Harmon	0.21 s	Kotlin	2019-04-29 12:14:55
5	Aaron Lamoreaux	0.21 s	Kotlin	2021-08-03 05:08:11
6	Ryan Lu	0.21 s	Kotlin	2021-10-31 02:35:23
7	Leonard Alexander Blechschmidt	0.21 s	Kotlin	2022-01-17 18:41:04
8	Jonathan Soo	0.23 s	Kotlin	2019-06-21 05:04:28
9	Einar Kjellback	0.24 s	Kotlin	2019-12-18 07:50:11
10	Troy Warmboe	0.25 s	Kotlin	2020-02-13 21:45:51

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-05 23:40:28

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-16 08:31:08
2	David Connolly	0.00 s	Pascal	2022-05-03 17:15:17

#	User	Runtime	Language	Date
1	Renate Fiala-Lundström	0.01 s	PHP	2021-04-27 00:06:03
2	Andre Wahyudi	0.01 s	PHP	2022-12-06 04:33:37
3	Susanne Ragnemalm	0.01 s	PHP	2024-05-06 07:37:07

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.02 s	Prolog	2016-05-01 05:28:42
2	Andriy Zyevakov	0.02 s	Prolog	2018-11-15 16:46:26
3	Danny Robinson	0.03 s	Prolog	2025-01-22 11:54:17

#	User	Runtime	Language	Date
1	Daniel Palmqvist	0.03 s	Python 2	2015-01-05 13:35:48
2	Christofer Ohlsson	0.03 s	Python 2	2015-05-03 13:12:40
3	Nick Wu	0.03 s	Python 2	2015-10-06 09:50:14
4	Frederik Højholt	0.03 s	Python 2	2015-10-28 13:04:43
5	Asger Hautop Drewsen	0.03 s	Python 2	2015-11-05 10:33:06
6	Erik Sillén	0.03 s	Python 2	2015-12-14 20:43:47
7	Alexander Teno	0.03 s	Python 2	2016-01-09 06:23:16
8	Martin Sundin	0.03 s	Python 2	2016-04-27 12:10:06
9	Hidden user	0.03 s	Python 2	2016-07-29 16:15:41
10	Michael Bolot	0.03 s	Python 2	2017-06-16 23:26:42

#	User	Runtime	Language	Date
1	Emil Riis Hansen	0.02 s	Python 3	2015-10-28 21:12:28
2	Johannes Agestam	0.02 s	Python 3	2015-12-08 20:24:55
3	Wayne	0.02 s	Python 3	2016-01-24 14:06:41
4	Øyvind Johansen Amundrud	0.02 s	Python 3	2016-02-19 08:30:34
5	Hidden user	0.02 s	Python 3	2016-03-07 19:43:29
6	Maximiliano Dowling	0.02 s	Python 3	2016-03-17 15:42:29
7	Mouhssine Assaoud	0.02 s	Python 3	2016-05-09 16:04:37
8	Pietro Andreoli	0.02 s	Python 3	2016-06-01 02:57:04
9	Lucia Pál (Simanová)	0.02 s	Python 3	2016-06-17 06:48:16
10	Gregor Taube	0.02 s	Python 3	2016-07-01 13:21:09

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-02-28 01:21:18
2	Lasse Berglund	0.03 s	Ruby	2016-03-31 07:32:38
3	Erik Rydbert	0.03 s	Ruby	2016-07-11 03:25:48
4	Tomas	0.03 s	Ruby	2016-10-22 18:18:34
5	Martin Larsson	0.03 s	Ruby	2017-03-04 11:13:30
6	Nathan Derr	0.05 s	Ruby	2021-09-07 15:42:01
7	Thomas Feld	0.06 s	Ruby	2022-11-08 12:12:26
8	Eugen Neagoe	0.07 s	Ruby	2026-02-05 14:26:40

#	User	Length	Language	Date
1	Matzuka	538	APL	2025-04-02 11:11:19

#	User	Length	Language	Date
1	Danny Robinson	173	Bash	2025-01-22 12:11:44
2	Manish shrestha	1092	Bash	2025-04-15 09:05:28

#	User	Length	Language	Date
1	Martin Blom	464	C	2023-10-17 18:41:19
2	Thibault Raffaillac	927	C	2017-02-28 20:30:05
3	Hidden user	996	C	2025-01-17 11:19:13
4	紅茶	1126	C	2023-06-15 06:47:07
5	Anton Haglund	1211	C	2016-12-05 10:38:06
6	Daniel Worsnup	1287	C	2016-04-28 14:44:59
7	Nam Long Nguyễn	1317	C	2021-12-18 16:39:24
8	PhilCampbell	1338	C	2021-01-11 09:28:07
9	Henry Rice	1352	C	2020-01-05 03:45:41
10	Adam Evans	1384	C	2016-08-28 13:35:28

#	User	Length	Language	Date
1	traxex	1053	C#	2024-05-07 10:20:51
2	Thomas Norris	1445	C#	2019-10-01 17:40:44
3	Göran Andersson	1467	C#	2022-05-10 20:17:36
4	Daniel Widegren	1574	C#	2015-12-10 14:06:57
5	Ramchalam Kinattinkara Ramakrishnan	1820	C#	2017-10-08 21:58:18
6	Todd Cottrell	1905	C#	2023-11-10 03:36:28
7	Raja Sanjeev Kumar Nakka	1942	C#	2016-04-29 17:48:26
8	Anders Parsberg Wagner	2083	C#	2020-09-30 18:04:09
9	Victor Hultén Mattsson	2270	C#	2022-10-05 14:31:52
10	Ugnius Skučas	2293	C#	2016-10-06 19:05:35

#	User	Length	Language	Date
1	Yeung Man Tsung	557	C++	2022-11-20 08:19:26
2	Antonio Molina Lovett	564	C++	2016-08-06 03:58:02
3	Sohaib Bin Musa	652	C++	2024-11-05 09:07:54
4	Armen Andreasyan	668	C++	2017-03-17 17:25:20
5	Johan Wind	672	C++	2015-12-01 19:38:30
6	William Gan	699	C++	2017-08-13 01:57:44
7	Grae Yeandle	701	C++	2016-11-19 12:07:48
8	Rene Josiah M. Quinto	706	C++	2016-10-01 05:16:23
9	Herman Karlsson	708	C++	2015-05-28 21:23:44
10	Andrey Chumachenko	735	C++	2018-01-22 02:53:15

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1698	F#	2022-06-20 16:08:34

#	User	Length	Language	Date
1	Chris Vilches	959	Go	2024-08-16 11:45:07
2	Ian Howell	1223	Go	2016-06-12 23:09:13
3	Jimmy Nejtron	1490	Go	2023-09-20 14:25:14
4	Norbert Voelker	1725	Go	2021-04-19 17:17:40
5	Luna Johnson	1727	Go	2025-02-20 00:00:50

#	User	Length	Language	Date
1	David Wärn	596	Haskell	2015-06-07 12:58:10
2	Carl Agrell	783	Haskell	2016-09-29 08:44:34
3	Håkon Flatval	806	Haskell	2018-09-01 14:31:49
4	Sebastian Banert	813	Haskell	2023-04-23 16:38:18
5	Jan Hlavacek	821	Haskell	2016-11-21 17:49:53
6	Peter Deal	906	Haskell	2016-05-09 14:21:45
7	Brent Yorgey	1113	Haskell	2017-10-13 02:17:59
8	Hidden user	1119	Haskell	2019-08-23 19:57:26
9	Aurélien Pepin	1176	Haskell	2019-08-22 14:00:53
10	Brian Hwang	1185	Haskell	2021-09-18 12:36:13

#	User	Length	Language	Date
1	Doug Goodman	861	Java	2017-12-20 18:23:12
2	Carter Henderson	959	Java	2021-11-29 16:29:38
3	Kevin Kauffman	985	Java	2021-12-28 20:53:05
4	Malte Larsson	987	Java	2016-09-28 08:03:14
5	Ayoub El Yaquine	1148	Java	2017-05-24 15:22:22
6	Caleb Ji	1154	Java	2016-11-05 15:54:04
7	Darrin Wiley	1162	Java	2016-01-05 20:01:25
8	Leevi Pärssinen	1206	Java	2018-11-06 11:32:07
9	Maurice zum Felde	1210	Java	2017-01-23 23:03:10
10	Pedro Contipelli	1213	Java	2016-05-05 20:03:06

#	User	Length	Language	Date
1	Chris Wong	934	JavaScript (Node.js)	2021-02-20 23:28:13
2	Jesper Svendgaard Åhman Hansen	946	JavaScript (Node.js)	2023-01-29 22:39:53
3	Hidden user	1229	JavaScript (Node.js)	2023-09-01 02:06:09
4	Niamh Limerick	1636	JavaScript (Node.js)	2022-02-19 23:36:03
5	John	1676	JavaScript (Node.js)	2022-07-16 03:22:51
6	Ralf Leistad	2061	JavaScript (Node.js)	2019-04-26 23:39:34
7	Sander Hellesø	2065	JavaScript (Node.js)	2019-04-26 22:07:02
8	Andoko Chandra	2401	JavaScript (Node.js)	2020-10-10 06:35:37
9	Khin Nyunt	2414	JavaScript (Node.js)	2021-11-17 15:43:05

#	User	Length	Language	Date
1	Jimmy Gustafsson	390	JavaScript (SpiderMonkey)	2024-06-13 21:56:21
2	Peter Menyes	538	JavaScript (SpiderMonkey)	2021-08-12 20:21:48
3	Evan Magill	670	JavaScript (SpiderMonkey)	2024-04-20 20:17:10
4	Bjørn Chr. Soltvedt	721	JavaScript (SpiderMonkey)	2016-01-22 22:46:52
5	Zach Tschetter	743	JavaScript (SpiderMonkey)	2023-06-07 17:38:42
6	Christian Pilegaard Cederquist	774	JavaScript (SpiderMonkey)	2022-11-10 23:47:34
7	Peter Kedemo	776	JavaScript (SpiderMonkey)	2015-12-22 19:45:08
8	Johannes Jensen	910	JavaScript (SpiderMonkey)	2016-03-31 18:47:02
9	Nicklas Utgaard	1024	JavaScript (SpiderMonkey)	2017-11-19 13:21:56
10	Andrew Stoute	1209	JavaScript (SpiderMonkey)	2023-11-08 18:24:24

#	User	Length	Language	Date
1	Timothy Gaede	2142	Julia	2024-03-26 01:08:50

#	User	Length	Language	Date
1	Einar Kjellback	787	Kotlin	2019-12-18 07:50:11
2	Aaron Lamoreaux	927	Kotlin	2021-08-03 05:08:11
3	Jonathan Soo	1168	Kotlin	2019-06-21 05:04:28
4	Emil Wihlander	1208	Kotlin	2023-07-25 12:27:41
5	Adam Rankin	1414	Kotlin	2023-05-08 03:17:29
6	Leonard Alexander Blechschmidt	1674	Kotlin	2022-01-17 18:41:04
7	Troy Warmboe	1864	Kotlin	2020-02-13 21:45:51
8	Neil Harmon	1998	Kotlin	2019-04-29 12:14:55
9	Ryan Lu	2327	Kotlin	2021-10-31 02:35:23
10	Jacob Huebner	2514	Kotlin	2021-10-25 19:01:03

#	User	Length	Language	Date
1	Hidden user	1931	Odin	2025-05-05 23:40:28

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2055	Pascal	2017-09-16 08:31:08
2	David Connolly	2268	Pascal	2022-05-03 17:15:17

#	User	Length	Language	Date
1	Susanne Ragnemalm	908	PHP	2024-05-06 07:37:07
2	Renate Fiala-Lundström	1081	PHP	2021-04-27 00:06:03
3	Andre Wahyudi	1548	PHP	2022-12-06 04:33:37

#	User	Length	Language	Date
1	Danny Robinson	430	Prolog	2025-01-22 11:54:17
2	Andriy Zyevakov	1198	Prolog	2018-11-15 16:46:26
3	Hadi Qovaizi	17328	Prolog	2016-05-01 05:28:42

#	User	Length	Language	Date
1	Thomas Feld	342	Python 2	2019-08-27 11:05:51
2	Justin Su	394	Python 2	2019-10-09 11:47:27
3	Asger Hautop Drewsen	400	Python 2	2015-11-05 10:33:06
4	Andreas Björklund	504	Python 2	2019-12-15 15:34:29
5	Snild Dolkow	544	Python 2	2015-10-18 11:57:51
6	Neal Zane	560	Python 2	2015-12-27 07:22:19
7	Haggai Liu	562	Python 2	2016-10-13 03:44:25
8	Jesper Öqvist	582	Python 2	2018-10-20 16:34:47
9	João Pedro Alvito	602	Python 2	2018-03-30 23:57:10
10	Sam Westigard	618	Python 2	2019-04-26 22:05:14

#	User	Length	Language	Date
1	David Worley	212	Python 3	2024-06-11 18:14:00
2	Charles Ancheta	227	Python 3	2023-03-28 06:26:29
3	Morten Clausen	253	Python 3	2022-09-30 14:34:44
4	Hidden user	279	Python 3	2026-01-07 12:06:58
5	Benjamin Z White	295	Python 3	2023-04-18 22:37:17
6	Ahmed Chamseddine	322	Python 3	2024-07-08 15:12:04
7	Simen Sørensen	335	Python 3	2025-01-09 14:27:14
8	Tai Tze Kin	340	Python 3	2024-05-01 19:06:42
9	Johannes Agestam	342	Python 3	2015-12-08 20:24:55
10	Shashank Bhatt	344	Python 3	2023-10-29 07:36:29

#	User	Length	Language	Date
1	Thomas Feld	194	Ruby	2022-11-08 12:12:26
2	Eugen Neagoe	453	Ruby	2026-02-05 14:26:40
3	Martin Larsson	614	Ruby	2017-03-04 11:13:30
4	Erik Rydbert	728	Ruby	2016-07-11 03:25:48
5	Lasse Berglund	791	Ruby	2016-03-31 07:32:38
6	Casper Christensen	896	Ruby	2016-02-28 01:21:18
7	Nathan Derr	1065	Ruby	2021-09-07 15:42:01
8	Tomas	1802	Ruby	2016-10-22 18:18:34

#	User	Length	Language	Date
1	Vincent Lagerros	1097	Rust	2025-01-10 18:54:15
2	Pankajkumar Patro	1388	Rust	2024-10-30 13:18:50
3	David Rasch	1797	Rust	2021-08-26 06:59:42
4	Emil Dichmann	1870	Rust	2025-09-17 06:21:17
5	Hovig Manjikian	1962	Rust	2023-10-23 21:04:17
6	Harald Langslet Kavli	2028	Rust	2026-01-04 10:56:15
7	Kok Dith	2053	Rust	2021-08-07 12:22:13
8	Eric Pinter	2130	Rust	2021-10-06 02:14:35
9	Richard Neswold	2133	Rust	2022-05-26 05:51:56
10	David Zacek	2191	Rust	2021-06-01 17:14:01

Solution running time distribution