Problem I
Hitting the Targets — Problem Statistics

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Submissions	3917
Accepted submissions	2234
Submission ratio	57.03%
Authors	2127
Full solves [?]	2007
Full solve Ratio	94.36%

#	User	Runtime	Language	Date
1	Matzuka	0.03 s	APL	2025-04-02 12:23:31

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2025-01-22 13:11:44
2	Manish shrestha	0.01 s	Bash	2025-04-15 11:05:28

#	User	Runtime	Language	Date
1	Joe Amenta	0.02 s	C#	2014-12-01 11:42:27
2	Greg Roderick	0.02 s	C#	2015-09-23 13:40:10
3	Bartłomiej Legiędź	0.02 s	C#	2015-10-02 23:20:49
4	Niklas Huss	0.02 s	C#	2015-10-17 12:45:08
5	Tom Roberts	0.02 s	C#	2015-11-06 17:02:21
6	Faisal Rahman	0.02 s	C#	2016-01-18 02:30:20
7	Yuwono Bangun Nagoro	0.02 s	C#	2016-04-04 02:58:42
8	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-04-29 19:48:26
9	Patrick Sjöö	0.02 s	C#	2016-06-16 07:00:00
10	Robert Low	0.02 s	C#	2016-07-14 14:31:06

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-06-20 18:08:34

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.00 s	Go	2023-09-20 16:25:14
2	Chris Vilches	0.00 s	Go	2024-08-16 13:45:07
3	Luna Johnson	0.00 s	Go	2025-02-20 01:00:50
4	Norbert Voelker	0.08 s	Go	2021-04-19 19:17:40
5	Ian Howell	0.09 s	Go	2016-06-13 01:09:13

#	User	Runtime	Language	Date
1	Nikolas Kolic	0.04 s	Java	2025-02-24 22:59:08
2	Lee Heng Sheng	0.05 s	Java	2024-04-28 06:57:21
3	Lina Molina	0.05 s	Java	2025-03-13 03:43:32
4	David Hallberg Jönsson	0.06 s	Java	2015-09-05 22:58:28
5	Linda Hansson	0.06 s	Java	2015-09-15 14:55:42
6	Pål Forsberg	0.06 s	Java	2015-09-24 14:10:02
7	Dennis Ang	0.06 s	Java	2015-10-01 15:21:09
8	Daniel Taco Törbacka	0.06 s	Java	2015-10-11 15:04:58
9	Michael Ballmann	0.06 s	Java	2015-11-03 19:27:39
10	Omar Brome	0.06 s	Java	2015-11-21 09:54:30

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2024-08-15 18:00:48
2	Sander Hellesø	0.06 s	JavaScript (Node.js)	2019-04-27 00:07:02
3	Ralf Leistad	0.06 s	JavaScript (Node.js)	2019-04-27 01:39:34
4	John	0.09 s	JavaScript (Node.js)	2022-07-16 05:22:51
5	Jesper Svendgaard Åhman Hansen	0.10 s	JavaScript (Node.js)	2023-01-29 23:38:23
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 08:35:37
7	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-21 00:28:13
8	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-11-17 16:43:05
9	Niamh Limerick	0.43 s	JavaScript (Node.js)	2022-02-20 00:36:03

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-22 20:45:08
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-22 23:46:52
3	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-31 20:47:02
4	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2017-11-19 14:21:56
5	Andrew Stoute	0.02 s	JavaScript (SpiderMonkey)	2023-11-08 19:24:24
6	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-12 22:11:30
7	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2022-11-11 00:47:34
8	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2023-06-07 19:38:42
9	Evan Magill	0.03 s	JavaScript (SpiderMonkey)	2024-04-20 22:17:10
10	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-06-13 23:56:21

#	User	Runtime	Language	Date
1	Timothy Gaede	0.67 s	Julia	2024-03-26 02:08:50

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2021-10-25 21:01:03
2	Adam Rankin	0.19 s	Kotlin	2023-05-08 05:17:29
3	Emil Wihlander	0.20 s	Kotlin	2023-07-25 14:27:41
4	Neil Harmon	0.21 s	Kotlin	2019-04-29 14:14:55
5	Aaron Lamoreaux	0.21 s	Kotlin	2021-08-03 07:08:11
6	Ryan Lu	0.21 s	Kotlin	2021-10-31 03:35:23
7	Leonard Alexander Blechschmidt	0.21 s	Kotlin	2022-01-17 19:41:04
8	Jonathan Soo	0.23 s	Kotlin	2019-06-21 07:04:28
9	Einar Kjellback	0.24 s	Kotlin	2019-12-18 08:50:11
10	Troy Warmboe	0.25 s	Kotlin	2020-02-13 22:45:51

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-06 01:40:28

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-16 10:31:08
2	David Connolly	0.00 s	Pascal	2022-05-03 19:15:17

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2021-04-27 02:06:03
2	Andre Wahyudi	0.01 s	PHP	2022-12-06 05:33:37
3	Susanne Ragnemalm	0.01 s	PHP	2024-05-06 09:37:07

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.02 s	Prolog	2016-05-01 07:28:42
2	Andriy Zyevakov	0.02 s	Prolog	2018-11-15 17:46:26
3	Danny Robinson	0.03 s	Prolog	2025-01-22 12:54:17

#	User	Runtime	Language	Date
1	Daniel Palmqvist	0.03 s	Python 2	2015-01-05 14:35:48
2	Christofer Ohlsson	0.03 s	Python 2	2015-05-03 15:12:40
3	Nick Wu	0.03 s	Python 2	2015-10-06 11:50:14
4	Frederik Højholt	0.03 s	Python 2	2015-10-28 14:04:43
5	Asger Hautop Drewsen	0.03 s	Python 2	2015-11-05 11:33:06
6	Erik Sillén	0.03 s	Python 2	2015-12-14 21:43:47
7	Alexander Teno	0.03 s	Python 2	2016-01-09 07:23:16
8	Martin Sundin	0.03 s	Python 2	2016-04-27 14:10:06
9	Hidden user	0.03 s	Python 2	2016-07-29 18:15:41
10	Michael Bolot	0.03 s	Python 2	2017-06-17 01:26:42

#	User	Runtime	Language	Date
1	Emil Riis Hansen	0.02 s	Python 3	2015-10-28 22:12:28
2	Johannes Agestam	0.02 s	Python 3	2015-12-08 21:24:55
3	Wayne	0.02 s	Python 3	2016-01-24 15:06:41
4	Øyvind Johansen Amundrud	0.02 s	Python 3	2016-02-19 09:30:34
5	Hidden user	0.02 s	Python 3	2016-03-07 20:43:29
6	Maximiliano Dowling	0.02 s	Python 3	2016-03-17 16:42:29
7	Mouhssine Assaoud	0.02 s	Python 3	2016-05-09 18:04:37
8	Pietro Andreoli	0.02 s	Python 3	2016-06-01 04:57:04
9	Lucia Pál (Simanová)	0.02 s	Python 3	2016-06-17 08:48:16
10	Gregor Taube	0.02 s	Python 3	2016-07-01 15:21:09

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-02-28 02:21:18
2	Lasse Berglund	0.03 s	Ruby	2016-03-31 09:32:38
3	Erik Rydbert	0.03 s	Ruby	2016-07-11 05:25:48
4	Tomas	0.03 s	Ruby	2016-10-22 20:18:34
5	Martin Larsson	0.03 s	Ruby	2017-03-04 12:13:30
6	Nathan Derr	0.05 s	Ruby	2021-09-07 17:42:01
7	Thomas Feld	0.06 s	Ruby	2022-11-08 13:12:26
8	Eugen Neagoe	0.07 s	Ruby	2026-02-05 15:26:40

#	User	Length	Language	Date
1	Matzuka	538	APL	2025-04-02 13:11:19

#	User	Length	Language	Date
1	Danny Robinson	173	Bash	2025-01-22 13:11:44
2	Manish shrestha	1092	Bash	2025-04-15 11:05:28

#	User	Length	Language	Date
1	Martin Blom	464	C	2023-10-17 20:41:19
2	Thibault Raffaillac	927	C	2017-02-28 21:30:05
3	Hidden user	996	C	2025-01-17 12:19:13
4	紅茶	1126	C	2023-06-15 08:47:07
5	Anton Haglund	1211	C	2016-12-05 11:38:06
6	Daniel Worsnup	1287	C	2016-04-28 16:44:59
7	Nam Long Nguyễn	1317	C	2021-12-18 17:39:24
8	PhilCampbell	1338	C	2021-01-11 10:28:07
9	Henry Rice	1352	C	2020-01-05 04:45:41
10	Adam Evans	1384	C	2016-08-28 15:35:28

#	User	Length	Language	Date
1	traxex	1053	C#	2024-05-07 12:20:51
2	Thomas Norris	1445	C#	2019-10-01 19:40:44
3	Göran Andersson	1467	C#	2022-05-10 22:17:36
4	Daniel Widegren	1574	C#	2015-12-10 15:06:57
5	Ramchalam Kinattinkara Ramakrishnan	1820	C#	2017-10-08 23:58:18
6	Todd Cottrell	1905	C#	2023-11-10 04:36:28
7	Raja Sanjeev Kumar Nakka	1942	C#	2016-04-29 19:48:26
8	Anders Parsberg Wagner	2083	C#	2020-09-30 20:04:09
9	Victor Hultén Mattsson	2270	C#	2022-10-05 16:31:52
10	Ugnius Skučas	2293	C#	2016-10-06 21:05:35

#	User	Length	Language	Date
1	Yeung Man Tsung	557	C++	2022-11-20 09:19:26
2	Antonio Molina Lovett	564	C++	2016-08-06 05:58:02
3	Sohaib Bin Musa	652	C++	2024-11-05 10:07:54
4	Armen Andreasyan	668	C++	2017-03-17 18:25:20
5	Johan Wind	672	C++	2015-12-01 20:38:30
6	William Gan	699	C++	2017-08-13 03:57:44
7	Grae Yeandle	701	C++	2016-11-19 13:07:48
8	Rene Josiah M. Quinto	706	C++	2016-10-01 07:16:23
9	Herman Karlsson	708	C++	2015-05-28 23:23:44
10	Andrey Chumachenko	735	C++	2018-01-22 03:53:15

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1698	F#	2022-06-20 18:08:34

#	User	Length	Language	Date
1	Chris Vilches	959	Go	2024-08-16 13:45:07
2	Ian Howell	1223	Go	2016-06-13 01:09:13
3	Jimmy Nejtron	1490	Go	2023-09-20 16:25:14
4	Norbert Voelker	1725	Go	2021-04-19 19:17:40
5	Luna Johnson	1727	Go	2025-02-20 01:00:50

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

#	User	Length	Language	Date
1	Doug Goodman	861	Java	2017-12-20 19:23:12
2	Carter Henderson	959	Java	2021-11-29 17:29:38
3	Kevin Kauffman	985	Java	2021-12-28 21:53:05
4	Malte Larsson	987	Java	2016-09-28 10:03:14
5	Ayoub El Yaquine	1148	Java	2017-05-24 17:22:22
6	Caleb Ji	1154	Java	2016-11-05 16:54:04
7	Darrin Wiley	1162	Java	2016-01-05 21:01:25
8	Leevi Pärssinen	1206	Java	2018-11-06 12:32:07
9	Maurice zum Felde	1210	Java	2017-01-24 00:03:10
10	Pedro Contipelli	1213	Java	2016-05-05 22:03:06

#	User	Length	Language	Date
1	Chris Wong	934	JavaScript (Node.js)	2021-02-21 00:28:13
2	Jesper Svendgaard Åhman Hansen	946	JavaScript (Node.js)	2023-01-29 23:39:53
3	Hidden user	1229	JavaScript (Node.js)	2023-09-01 04:06:09
4	Niamh Limerick	1636	JavaScript (Node.js)	2022-02-20 00:36:03
5	John	1676	JavaScript (Node.js)	2022-07-16 05:22:51
6	Ralf Leistad	2061	JavaScript (Node.js)	2019-04-27 01:39:34
7	Sander Hellesø	2065	JavaScript (Node.js)	2019-04-27 00:07:02
8	Andoko Chandra	2401	JavaScript (Node.js)	2020-10-10 08:35:37
9	Khin Nyunt	2414	JavaScript (Node.js)	2021-11-17 16:43:05

#	User	Length	Language	Date
1	Jimmy Gustafsson	390	JavaScript (SpiderMonkey)	2024-06-13 23:56:21
2	Peter Menyes	538	JavaScript (SpiderMonkey)	2021-08-12 22:21:48
3	Evan Magill	670	JavaScript (SpiderMonkey)	2024-04-20 22:17:10
4	Bjørn Chr. Soltvedt	721	JavaScript (SpiderMonkey)	2016-01-22 23:46:52
5	Zach Tschetter	743	JavaScript (SpiderMonkey)	2023-06-07 19:38:42
6	Christian Pilegaard Cederquist	774	JavaScript (SpiderMonkey)	2022-11-11 00:47:34
7	Peter Kedemo	776	JavaScript (SpiderMonkey)	2015-12-22 20:45:08
8	Johannes Jensen	910	JavaScript (SpiderMonkey)	2016-03-31 20:47:02
9	Nicklas Utgaard	1024	JavaScript (SpiderMonkey)	2017-11-19 14:21:56
10	Andrew Stoute	1209	JavaScript (SpiderMonkey)	2023-11-08 19:24:24

#	User	Length	Language	Date
1	Timothy Gaede	2142	Julia	2024-03-26 02:08:50

#	User	Length	Language	Date
1	Einar Kjellback	787	Kotlin	2019-12-18 08:50:11
2	Aaron Lamoreaux	927	Kotlin	2021-08-03 07:08:11
3	Jonathan Soo	1168	Kotlin	2019-06-21 07:04:28
4	Emil Wihlander	1208	Kotlin	2023-07-25 14:27:41
5	Adam Rankin	1414	Kotlin	2023-05-08 05:17:29
6	Leonard Alexander Blechschmidt	1674	Kotlin	2022-01-17 19:41:04
7	Troy Warmboe	1864	Kotlin	2020-02-13 22:45:51
8	Neil Harmon	1998	Kotlin	2019-04-29 14:14:55
9	Ryan Lu	2327	Kotlin	2021-10-31 03:35:23
10	Jacob Huebner	2514	Kotlin	2021-10-25 21:01:03

#	User	Length	Language	Date
1	Hidden user	1931	Odin	2025-05-06 01:40:28

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2055	Pascal	2017-09-16 10:31:08
2	David Connolly	2268	Pascal	2022-05-03 19:15:17

#	User	Length	Language	Date
1	Susanne Ragnemalm	908	PHP	2024-05-06 09:37:07
2	Renate	1081	PHP	2021-04-27 02:06:03
3	Andre Wahyudi	1548	PHP	2022-12-06 05:33:37

#	User	Length	Language	Date
1	Danny Robinson	430	Prolog	2025-01-22 12:54:17
2	Andriy Zyevakov	1198	Prolog	2018-11-15 17:46:26
3	Hadi Qovaizi	17328	Prolog	2016-05-01 07:28:42

#	User	Length	Language	Date
1	Thomas Feld	342	Python 2	2019-08-27 13:05:51
2	Justin Su	394	Python 2	2019-10-09 13:47:27
3	Asger Hautop Drewsen	400	Python 2	2015-11-05 11:33:06
4	Andreas Björklund	504	Python 2	2019-12-15 16:34:29
5	Snild Dolkow	544	Python 2	2015-10-18 13:57:51
6	Neal Zane	560	Python 2	2015-12-27 08:22:19
7	Haggai Liu	562	Python 2	2016-10-13 05:44:25
8	Jesper Öqvist	582	Python 2	2018-10-20 18:34:47
9	João Pedro Alvito	602	Python 2	2018-03-31 01:57:10
10	Sam Westigard	618	Python 2	2019-04-27 00:05:14

#	User	Length	Language	Date
1	David Worley	212	Python 3	2024-06-11 20:14:00
2	Charles Ancheta	227	Python 3	2023-03-28 08:26:29
3	Morten Clausen	253	Python 3	2022-09-30 16:34:44
4	Hidden user	279	Python 3	2026-01-07 13:06:58
5	Benjamin Z White	295	Python 3	2023-04-19 00:37:17
6	Ahmed Chamseddine	322	Python 3	2024-07-08 17:12:04
7	Simen Sørensen	335	Python 3	2025-01-09 15:27:14
8	Tai Tze Kin	340	Python 3	2024-05-01 21:06:42
9	Johannes Agestam	342	Python 3	2015-12-08 21:24:55
10	Shashank Bhatt	344	Python 3	2023-10-29 08:36:29

#	User	Length	Language	Date
1	Thomas Feld	194	Ruby	2022-11-08 13:12:26
2	Eugen Neagoe	453	Ruby	2026-02-05 15:26:40
3	Martin Larsson	614	Ruby	2017-03-04 12:13:30
4	Erik Rydbert	728	Ruby	2016-07-11 05:25:48
5	Lasse Berglund	791	Ruby	2016-03-31 09:32:38
6	Casper Christensen	896	Ruby	2016-02-28 02:21:18
7	Nathan Derr	1065	Ruby	2021-09-07 17:42:01
8	Tomas	1802	Ruby	2016-10-22 20:18:34

#	User	Length	Language	Date
1	Vincent Lagerros	1097	Rust	2025-01-10 19:54:15
2	Pankajkumar Patro	1388	Rust	2024-10-30 14:18:50
3	David Rasch	1797	Rust	2021-08-26 08:59:42
4	Emil Dichmann	1870	Rust	2025-09-17 08:21:17
5	Hovig Manjikian	1962	Rust	2023-10-23 23:04:17
6	Harald Langslet Kavli	2028	Rust	2026-01-04 11:56:15
7	Kok Dith	2053	Rust	2021-08-07 14:22:13
8	Eric Pinter	2130	Rust	2021-10-06 04:14:35
9	Richard Neswold	2133	Rust	2022-05-26 07:51:56
10	David Zacek	2191	Rust	2021-06-01 19:14:01

Solution running time distribution