Problem A
Army Strength (Easy) — Problem Statistics

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Submissions	6510
Accepted submissions	3140
Submission ratio	48.23%
Authors	2981
Full solves [?]	2677
Full solve Ratio	89.80%

#	User	Runtime	Language	Date
1	Joe Amenta	0.01 s	C#	2018-05-13 22:44:38
2	Paweł Janiszewski	0.02 s	C#	2013-10-10 18:07:20
3	Timur Fayzrakhmanov	0.02 s	C#	2014-07-08 12:45:25
4	Ayk Stepanyan	0.02 s	C#	2014-10-18 13:38:02
5	masosz	0.02 s	C#	2015-02-03 18:15:48
6	Paulo Bu	0.02 s	C#	2015-02-04 21:55:27
7	Bas te Kolste	0.02 s	C#	2015-06-15 20:27:51
8	Niklas Huss	0.02 s	C#	2015-08-14 09:12:26
9	Jonas S	0.02 s	C#	2015-08-23 15:09:05
10	Robert Low	0.02 s	C#	2016-07-21 22:34:39

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2020-09-13 03:29:55

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	F#	2021-07-05 20:29:39
2	Jacob Harris Cryer Kragh	0.06 s	F#	2022-12-26 08:31:15
3	Elias Smedegaard	0.07 s	F#	2023-11-18 14:33:20

#	User	Runtime	Language	Date
1	Akhikumar Indurti	0.02 s	Go	2018-09-19 23:53:48
2	Eric Martin	0.02 s	Go	2019-01-01 12:39:13
3	Krzysztof Gibuła	0.07 s	Go	2019-02-25 19:16:32
4	Hidden user	0.09 s	Go	2018-05-02 22:19:37
5	Jonas Hedin	0.12 s	Go	2015-02-26 17:03:40

#	User	Runtime	Language	Date
1	Wilfried van Asten	0.00 s	Haskell	2015-12-21 15:32:55
2	Zach Tschetter	0.00 s	Haskell	2021-04-16 23:44:13
3	Vicky Nguyen	0.00 s	Haskell	2022-08-20 05:05:15
4	Steinar Simonnes	0.00 s	Haskell	2024-02-12 15:16:01
5	Nic M	0.00 s	Haskell	2025-07-03 00:06:31
6	Oskar Segersvärd	0.01 s	Haskell	2014-10-08 20:27:34
7	Hidden user	0.01 s	Haskell	2015-02-06 12:53:10
8	Markus Läll	0.01 s	Haskell	2015-02-11 22:22:12
9	Johan Meier	0.01 s	Haskell	2016-12-05 00:32:50
10	Blake Hyde	0.01 s	Haskell	2017-01-27 19:49:44

#	User	Runtime	Language	Date
1	Jan Štola	0.05 s	Java	2015-03-16 21:31:06
2	Lee Wei Hong	0.05 s	Java	2016-01-22 01:46:59
3	John Kevin Tjahjadi	0.05 s	Java	2016-04-01 01:22:45
4	William Fiset	0.05 s	Java	2016-07-10 22:39:42
5	Jerome Riceboy Roy Adviento	0.05 s	Java	2017-01-29 05:46:59
6	Aked Hindi	0.06 s	Java	2013-02-05 15:13:13
7	Marco Vincenzo Karaan	0.06 s	Java	2015-09-21 07:45:49
8	Sam Tan	0.06 s	Java	2015-12-10 16:18:43
9	Van Nguyen	0.06 s	Java	2016-02-10 06:52:02
10	Trần Công Duy	0.06 s	Java	2016-07-28 14:12:22

#	User	Runtime	Language	Date
1	Stian	0.04 s	JavaScript (Node.js)	2024-06-18 11:56:06
2	Aldo Luna Bueno	0.05 s	JavaScript (Node.js)	2024-11-15 19:32:15
3	Oliver Bredenberg	0.41 s	JavaScript (Node.js)	2019-08-29 07:32:02
4	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-03-21 18:47:56
5	Mikael Fiala-Lundström	0.42 s	JavaScript (Node.js)	2021-06-21 15:51:09

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-20 23:06:45
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-19 22:02:02
3	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-07-26 12:43:30
4	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2016-07-27 07:08:26
5	Magnar Myrtveit	0.01 s	JavaScript (SpiderMonkey)	2016-12-26 19:33:32
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-27 21:55:47
7	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-02-05 08:08:01
8	Nicklas Utgaard	0.03 s	JavaScript (SpiderMonkey)	2023-12-02 18:39:07

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2024-07-03 02:08:45
2	Hidden user	0.66 s	Julia	2025-04-08 20:29:24

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2021-06-02 22:24:49
2	Adam Rankin	0.21 s	Kotlin	2023-05-10 01:40:00
3	Neil Harmon	0.26 s	Kotlin	2019-10-17 08:47:46
4	Troy Warmboe	0.27 s	Kotlin	2020-02-05 21:23:04
5	Dmitry Shostak	0.28 s	Kotlin	2019-09-23 05:08:35
6	Garrison Hatcher	0.29 s	Kotlin	2019-11-08 19:41:40

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-17 07:53:40
2	Magnus Ragnemalm	0.00 s	Pascal	2017-11-29 11:18:33

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2016-06-06 14:27:27
2	陳建宏	0.01 s	PHP	2021-06-25 15:53:06

#	User	Runtime	Language	Date
1	Jonas Nockert	0.02 s	Prolog	2016-10-09 13:53:02

#	User	Runtime	Language	Date
1	John Stäck	0.03 s	Python 2	2013-10-05 19:24:51
2	Ehsan Kia	0.03 s	Python 2	2014-04-25 20:56:45
3	Klas Björkqvist	0.03 s	Python 2	2014-07-19 15:29:46
4	Gustaf Waldemarson	0.03 s	Python 2	2014-08-12 16:27:23
5	Hidden user	0.03 s	Python 2	2015-02-15 20:24:56
6	Kristmundur Agust	0.03 s	Python 2	2015-03-02 20:45:15
7	Christofer Ohlsson	0.03 s	Python 2	2015-03-26 20:36:31
8	Team Baud	0.03 s	Python 2	2015-04-16 07:21:30
9	Dino Uman	0.03 s	Python 2	2015-09-27 17:35:07
10	Johan Nilsson	0.03 s	Python 2	2015-09-30 20:37:37

#	User	Runtime	Language	Date
1	Shiqi Xiao	0.02 s	Python 3	2014-10-03 20:45:16
2	Changyu Bi	0.02 s	Python 3	2014-10-10 19:56:22
3	Xincheng Zhang	0.02 s	Python 3	2014-10-10 20:06:30
4	Martin Stensgård	0.02 s	Python 3	2015-03-05 21:55:24
5	James Elías Sigurðarson	0.02 s	Python 3	2015-06-13 19:01:29
6	Johannes Agestam	0.02 s	Python 3	2015-06-15 16:24:21
7	John William O'Rourke	0.02 s	Python 3	2015-09-20 17:22:25
8	曾威凱	0.02 s	Python 3	2015-10-10 15:32:23
9	Emil Riis Hansen	0.02 s	Python 3	2015-10-31 19:32:02
10	Hidden user	0.02 s	Python 3	2015-11-28 00:12:20

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-01-24 16:07:50
2	Shayon Mukherjee	0.03 s	Ruby	2016-03-08 03:47:57
3	Lasse Berglund	0.03 s	Ruby	2016-04-01 12:52:45
4	Erik Rydbert	0.03 s	Ruby	2016-07-20 08:20:01
5	Hidden user	0.04 s	Ruby	2018-06-24 21:12:12
6	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-10-04 16:40:12
7	Thomas Feld	0.06 s	Ruby	2023-03-30 10:25:17
8	Daniel Harder	0.07 s	Ruby	2018-09-01 00:55:57
9	Alexander Bilde Pedersen	0.07 s	Ruby	2024-12-03 15:34:05

#	User	Runtime	Language	Date
1	John Magne Bredal	0.05 s	TypeScript	2024-06-18 12:24:52

#	User	Length	Language	Date
1	Johan Olsson	273	C	2025-10-22 18:27:06
2	Velvet	391	C	2020-11-20 03:31:14
3	Anders Westling	419	C	2012-09-30 13:38:41
4	Albin Stensson	451	C	2023-01-06 17:04:39
5	Yap Yi Juinn Jacelyn	464	C	2016-12-17 11:09:29
6	Sambit Palit	512	C	2020-09-29 21:07:44
7	Jiangfeng Du	529	C	2019-03-20 08:56:27
8	Herbert Ilhan Tanujaya	534	C	2016-04-06 16:29:05
9	Said Lakhfif	555	C	2016-06-01 02:20:00
10	Esther Chong	559	C	2019-09-11 09:02:50

#	User	Length	Language	Date
1	Marek Bina	602	C#	2019-02-18 09:47:25
2	Bas te Kolste	810	C#	2015-06-15 20:27:51
3	Doug Goodman	910	C#	2018-02-23 22:57:57
4	Paweł Janiszewski	933	C#	2013-10-10 18:07:20
5	Thomas Norris	948	C#	2019-06-26 05:04:26
6	Sebastian Sternberg	1168	C#	2021-02-22 19:59:21
7	Li Langley	1206	C#	2017-11-03 04:29:23
8	Henrik Hallbert	1212	C#	2022-01-11 20:24:03
9	Daniel Ledger	1235	C#	2020-10-24 10:36:21
10	Göran Andersson	1289	C#	2022-05-23 22:24:51

#	User	Length	Language	Date
1	Frans Meulenbroeks	263	C++	2024-10-30 12:11:59
2	Herman Karlsson	266	C++	2015-02-12 19:09:16
3	Subramanian Ramasamy	296	C++	2022-09-01 06:52:35
4	Tyler Fernando	304	C++	2022-11-07 05:15:53
5	Mic Rey	350	C++	2025-08-24 08:37:46
6	Yeung Man Tsung	351	C++	2022-11-20 10:57:28
7	Jesús Pacheco Alonso	357	C++	2023-09-14 19:52:09
8	Way Tan	368	C++	2018-12-03 15:19:30
9	Armen Andreasyan	372	C++	2015-10-10 14:22:38
10	Admir Ahmespahić	375	C++	2019-03-18 21:49:49

#	User	Length	Language	Date
1	David Cawthon	841	Common Lisp	2020-09-13 03:29:55

#	User	Length	Language	Date
1	Elias Smedegaard	761	F#	2023-11-18 14:33:20
2	Hidden user	883	F#	2021-07-05 20:29:39
3	Jacob Harris Cryer Kragh	1042	F#	2022-12-26 08:31:15

#	User	Length	Language	Date
1	Jonas Hedin	491	Go	2015-02-26 17:03:40
2	Krzysztof Gibuła	757	Go	2019-02-25 19:16:32
3	Eric Martin	890	Go	2019-01-01 12:41:53
4	Akhikumar Indurti	1048	Go	2018-09-19 23:53:48
5	Hidden user	1212	Go	2018-05-02 22:19:37

#	User	Length	Language	Date
1	Udo Stenzel	274	Haskell	2023-04-15 14:13:16
2	Fran Cruz Zamorano	290	Haskell	2017-06-28 12:02:27
3	Aaron Lengyel	345	Haskell	2021-11-05 03:07:49
4	Roger Ballard	382	Haskell	2017-08-27 21:35:57
5	Brent Yorgey	385	Haskell	2017-10-15 04:46:23
6	Johan Meier	389	Haskell	2016-12-05 00:32:50
7	Vicky Nguyen	507	Haskell	2022-08-20 05:05:15
8	Zach Tschetter	587	Haskell	2021-04-16 23:44:13
9	Blake Hyde	610	Haskell	2017-01-27 19:49:44
10	Steinar Simonnes	681	Haskell	2024-02-12 15:19:31

#	User	Length	Language	Date
1	Doug Goodman	494	Java	2017-08-20 14:49:50
2	Prakash Varman	598	Java	2022-12-30 11:34:50
3	David Wang	608	Java	2018-09-19 23:44:35
4	Simon Xue	621	Java	2015-11-10 07:18:54
5	Syed AbuTalib	621	Java	2019-09-30 15:06:47
6	Baz Baz	625	Java	2018-09-19 23:39:02
7	PRIYANKA M	631	Java	2025-03-31 09:44:11
8	Mitchel Moir	634	Java	2022-01-06 03:04:22
9	Ayoub El Yaquine	638	Java	2016-12-23 11:59:06
10	Nathaniel	638	Java	2017-10-31 22:44:33

#	User	Length	Language	Date
1	Howard Tin Chi Chan	577	JavaScript (Node.js)	2021-03-21 18:47:56
2	Stian	913	JavaScript (Node.js)	2024-06-18 11:56:06
3	Aldo Luna Bueno	1101	JavaScript (Node.js)	2024-11-15 19:32:15
4	Oliver Bredenberg	2047	JavaScript (Node.js)	2019-08-29 07:32:02
5	Mikael Fiala-Lundström	2049	JavaScript (Node.js)	2021-06-21 15:51:09

#	User	Length	Language	Date
1	Jimmy Gustafsson	131	JavaScript (SpiderMonkey)	2024-08-27 21:55:47
2	Christian Pilegaard Cederquist	327	JavaScript (SpiderMonkey)	2023-02-05 08:08:01
3	Peter Kedemo	516	JavaScript (SpiderMonkey)	2015-12-20 23:06:45
4	Bjørn Chr. Soltvedt	583	JavaScript (SpiderMonkey)	2019-11-07 09:00:07
5	Magnar Myrtveit	672	JavaScript (SpiderMonkey)	2016-12-26 19:33:32
6	Nicklas Utgaard	974	JavaScript (SpiderMonkey)	2023-12-02 18:39:07
7	Hà Minh Ngọc	1166	JavaScript (SpiderMonkey)	2016-07-26 12:43:30
8	Hidden user	1166	JavaScript (SpiderMonkey)	2016-07-27 07:08:26

#	User	Length	Language	Date
1	Hidden user	392	Julia	2025-04-08 20:29:24
2	Timothy Gaede	1113	Julia	2024-07-03 02:08:45

#	User	Length	Language	Date
1	Troy Warmboe	333	Kotlin	2020-02-05 21:23:04
2	Dmitry Shostak	562	Kotlin	2019-09-23 05:08:35
3	Adam Rankin	772	Kotlin	2023-05-10 01:40:00
4	Garrison Hatcher	987	Kotlin	2019-11-08 19:41:40
5	Neil Harmon	1043	Kotlin	2019-10-17 08:47:46
6	Jacob Huebner	1334	Kotlin	2021-06-02 22:24:49

#	User	Length	Language	Date
1	Magnus Ragnemalm	710	Pascal	2017-11-29 11:18:33
2	Ingemar Ragnemalm	722	Pascal	2017-08-17 07:53:40

#	User	Length	Language	Date
1	Silvena Lam	636	PHP	2016-06-06 14:27:27
2	陳建宏	1044	PHP	2021-06-25 15:53:06

#	User	Length	Language	Date
1	Jonas Nockert	3306	Prolog	2016-10-09 13:53:02

#	User	Length	Language	Date
1	Thomas Feld	183	Python 2	2019-08-21 12:50:15
2	Catalin Popa	210	Python 2	2018-11-22 03:50:28
3	Guan Yang Ze	240	Python 2	2019-08-27 07:45:01
4	Michael Gentile	249	Python 2	2017-10-26 17:55:37
5	Peter Sofronas	250	Python 2	2017-12-15 22:13:31
6	Dino Uman	251	Python 2	2015-09-27 17:35:07
7	Guðni Natan Gunnarsson	251	Python 2	2017-03-22 19:05:02
8	Andreas Björklund	258	Python 2	2019-12-26 07:49:29
9	Snild Dolkow	261	Python 2	2015-10-18 11:04:28
10	Çağdaş Öztekin	263	Python 2	2017-09-11 11:16:49

#	User	Length	Language	Date
1	June Hoop	103	Python 3	2025-09-21 14:24:08
2	Clement Oh	106	Python 3	2023-07-24 13:41:55
3	David Aldenbro	119	Python 3	2025-08-24 14:51:26
4	Harry Zhang	122	Python 3	2023-06-27 06:54:34
5	Noah Hessen Bjerke	131	Python 3	2023-12-08 13:42:04
6	Ahmed Chamseddine	147	Python 3	2024-08-19 12:35:12
7	Casper Rysgaard	150	Python 3	2021-11-03 17:14:22
8	benoit belasco	162	Python 3	2023-07-29 23:33:01
9	a_b__c	165	Python 3	2021-03-23 10:52:27
10	Hidden user	167	Python 3	2020-08-13 01:25:33

#	User	Length	Language	Date
1	Thomas Feld	87	Ruby	2023-03-30 10:25:17
2	Alexander Bilde Pedersen	128	Ruby	2024-12-03 15:34:05
3	Hidden user	176	Ruby	2018-06-24 21:12:12
4	Erik Rydbert	236	Ruby	2016-07-20 08:20:01
5	Macdara mac an tSionnaigh	302	Ruby	2019-10-04 16:40:12
6	Casper Christensen	390	Ruby	2016-01-24 16:07:50
7	Daniel Harder	403	Ruby	2018-09-01 00:55:57
8	Lasse Berglund	468	Ruby	2016-04-01 12:52:45
9	Shayon Mukherjee	651	Ruby	2016-03-08 03:47:57

#	User	Length	Language	Date
1	Vincent Lagerros	631	Rust	2025-02-17 13:31:53
2	Hidden user	778	Rust	2026-01-06 20:34:49
3	David Zacek	902	Rust	2021-09-05 16:10:48
4	Norbert Voelker	1042	Rust	2021-06-10 23:26:35
5	Artur Khuziakhmetov	1199	Rust	2025-01-16 11:20:39
6	Bas Dirks	1235	Rust	2022-01-12 07:03:14
7	Eric Pinter	1236	Rust	2021-05-28 21:02:33
8	Jon Kåre Hellan	1283	Rust	2024-06-18 12:05:26
9	Joe Blower	2440	Rust	2025-09-01 01:01:40
10	Egor Kulikov	20579	Rust	2025-01-07 17:47:58

#	User	Length	Language	Date
1	John Magne Bredal	1847	TypeScript	2024-06-18 12:24:52

Solution running time distribution