Problem A
Conquest Campaign — Problem Statistics

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Submissions	2920
Accepted submissions	1192
Submission ratio	40.82%
Authors	1030
Full solves [?]	910
Full solve Ratio	88.35%

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.03 s	C#	2020-04-05 01:44:52
2	Eric Bäckhage	0.04 s	C#	2019-02-17 10:56:36
3	Thomas Norris	0.05 s	C#	2019-10-18 19:07:29
4	Yuwono Bangun Nagoro	0.05 s	C#	2020-08-23 17:33:55
5	Գոռ Բաղդասարյան	0.05 s	C#	2025-03-20 07:06:04
6	Nikolai Valkamo	0.07 s	C#	2021-12-28 20:38:16
7	Göran Andersson	0.07 s	C#	2022-05-22 19:33:02
8	Eric Weiss	0.08 s	C#	2022-09-09 17:49:41
9	Adam Grady	0.13 s	C#	2021-10-26 18:21:55
10	Mikael Fiala-Lundström	0.15 s	C#	2021-06-06 01:42:06

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Common Lisp	2019-05-28 10:51:59

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.10 s	F#	2022-10-14 15:59:01

#	User	Runtime	Language	Date
1	Krzysztof Gibuła	0.11 s	Go	2019-03-02 17:36:49

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2024-04-12 10:20:14
2	Hidden user	0.07 s	Haskell	2019-08-26 13:56:08

#	User	Runtime	Language	Date
1	Bjørn Dons	0.07 s	Java	2018-12-11 21:02:20
2	José Vander Meulen	0.07 s	Java	2018-12-12 14:48:26
3	Yibo Huang	0.07 s	Java	2020-09-12 20:13:49
4	Nikolay Nizovkin	0.07 s	Java	2022-05-08 19:46:22
5	Prakash Sanyasi	0.08 s	Java	2018-12-17 12:12:11
6	Nguyen Thanh Trung	0.11 s	Java	2018-11-29 21:28:24
7	Hiếu Lăng	0.11 s	Java	2018-11-30 01:09:13
8	Quân Anh	0.11 s	Java	2024-04-25 08:30:06
9	Tran Anh Tai	0.13 s	Java	2020-05-25 09:51:40
10	Andrew Polizzotto	0.13 s	Java	2020-06-03 00:22:45

#	User	Runtime	Language	Date
1	Peter Kedemo	0.47 s	JavaScript (Node.js)	2019-12-27 23:08:06
2	Andoko Chandra	0.55 s	JavaScript (Node.js)	2020-10-25 18:17:56
3	ChaosOp	0.68 s	JavaScript (Node.js)	2021-04-18 07:18:46

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2018-12-12 19:18:53
2	Jimmy Gustafsson	0.05 s	JavaScript (SpiderMonkey)	2022-08-10 23:14:37
3	Christian Pilegaard Cederquist	0.46 s	JavaScript (SpiderMonkey)	2023-02-21 09:19:25

#	User	Runtime	Language	Date
1	Timothy Gaede	0.65 s	Julia	2024-04-23 06:03:58

#	User	Runtime	Language	Date
1	Hidden user	0.21 s	Kotlin	2019-12-28 02:36:47
2	Martijn Muijsers	0.32 s	Kotlin	2024-06-12 13:31:53
3	Adam Rankin	0.38 s	Kotlin	2023-08-25 19:25:34

#	User	Runtime	Language	Date
1	Lars Åström	0.47 s	OCaml	2020-03-27 10:37:05

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-12-11 19:58:08

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.07 s	Python 2	2019-02-26 10:10:06
2	Johan Lyts	0.08 s	Python 2	2019-07-16 15:12:37
3	Lars Åström	0.08 s	Python 2	2020-03-26 13:28:17
4	Thomas Feld	0.12 s	Python 2	2019-09-03 09:17:13
5	Catalin Popa	0.18 s	Python 2	2018-12-11 19:21:12
6	Yanmarshus Bachtiar	0.24 s	Python 2	2020-08-30 06:22:47
7	Johann Ly	0.29 s	Python 2	2018-12-17 06:48:07
8	João Pedro Alvito	0.35 s	Python 2	2018-12-17 19:10:17

#	User	Runtime	Language	Date
1	Ram Basnet	0.04 s	Python 3	2018-12-11 04:50:51
2	Andrew Groeneveldt	0.04 s	Python 3	2019-03-01 01:14:36
3	Hidden user	0.04 s	Python 3	2019-09-24 18:20:10
4	Yang Li	0.05 s	Python 3	2018-12-12 21:20:54
5	Gordie Levitsky	0.05 s	Python 3	2018-12-26 02:51:08
6	Brenten Canfield	0.05 s	Python 3	2018-12-27 23:40:24
7	Dylan Do Amaral	0.05 s	Python 3	2019-01-15 18:05:27
8	Andrew Wang	0.05 s	Python 3	2019-02-02 14:04:35
9	Ole Jørgen Tetlie	0.05 s	Python 3	2019-12-15 23:28:59
10	Davi Ajmaya	0.06 s	Python 3	2019-01-17 12:42:23

#	User	Runtime	Language	Date
1	Kok Dith	0.08 s	Ruby	2021-09-05 12:59:03
2	Donald Dong	0.11 s	Ruby	2018-12-30 05:17:51
3	Yinuo Huang	0.12 s	Ruby	2024-05-20 17:52:05
4	Rohan	0.13 s	Ruby	2025-05-04 13:39:54
5	Thomas Feld	0.15 s	Ruby	2023-08-28 15:57:16
6	Macdara mac an tSionnaigh	0.16 s	Ruby	2019-11-26 02:28:08
7	Stefan Kennedy	0.33 s	Ruby	2019-01-20 15:35:10

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Rust	2021-05-29 01:35:46
2	Vincent Lagerros	0.00 s	Rust	2025-08-27 11:55:10
3	Robert Dumitrescu	0.01 s	Rust	2018-12-20 12:01:54
4	Bas Dirks	0.01 s	Rust	2022-04-11 16:45:29
5	Ethan Niser	0.01 s	Rust	2024-05-20 17:57:41
6	HuaiYuan Jing	0.06 s	Rust	2024-02-01 05:13:52

#	User	Length	Language	Date
1	Wesley Stephanak	774	C	2019-02-09 22:27:50
2	Massimo Meneghello	1067	C	2018-12-11 16:04:24
3	유성환	1187	C	2024-10-18 08:19:34
4	Hoàng Mạnh Khuất	1258	C	2019-04-26 09:13:32
5	Naveen Kumar S	1348	C	2025-04-14 11:50:40
6	전예진	1413	C	2024-10-18 02:40:56
7	Choi Jieun	1436	C	2024-10-17 10:06:10
8	Hyungyo Seo	1440	C	2024-10-14 17:26:23
9	이종환/AI·소프트웨어학부(소프트웨어전공)	1455	C	2024-10-15 19:26:54
10	이승효	1464	C	2024-10-18 09:12:17

#	User	Length	Language	Date
1	Thomas Norris	1275	C#	2019-10-18 19:07:29
2	Göran Andersson	1435	C#	2022-05-22 19:33:02
3	Գոռ Բաղդասարյան	1721	C#	2025-03-20 07:06:04
4	Eric Weiss	2261	C#	2022-09-09 17:49:41
5	Eric Bäckhage	2484	C#	2019-02-17 10:56:36
6	Adam Grady	2835	C#	2021-10-26 18:21:55
7	Gurpartap Singh Bhatti	2983	C#	2020-04-05 01:47:48
8	Mikael Fiala-Lundström	3147	C#	2021-06-06 01:42:06
9	Nikolai Valkamo	3300	C#	2021-12-28 20:38:16
10	Yuwono Bangun Nagoro	3560	C#	2020-08-23 17:33:55

#	User	Length	Language	Date
1	Johan Wind	407	C++	2018-12-21 16:37:23
2	Dewita Sonya Tarabunga	496	C++	2018-12-19 08:19:18
3	Jeffrey Ho	569	C++	2019-01-26 05:48:49
4	Gaming Trùm	631	C++	2019-04-25 15:30:20
5	Oisin Carroll	688	C++	2019-02-20 02:19:02
6	blameazu	707	C++	2024-04-24 07:47:39
7	帥哥	710	C++	2025-09-13 05:13:51
8	이승준/AI·소프트웨어학부(소프트웨어전공)	717	C++	2024-10-17 10:24:00
9	Le Van Tam	719	C++	2019-09-13 10:54:05
10	塗季芸	732	C++	2019-09-21 08:17:52

#	User	Length	Language	Date
1	Hidden user	1370	Common Lisp	2019-05-28 10:51:59

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1230	F#	2022-10-14 15:59:01

#	User	Length	Language	Date
1	Krzysztof Gibuła	1185	Go	2019-03-02 17:36:49

#	User	Length	Language	Date
1	Hidden user	1143	Haskell	2019-08-26 13:56:08
2	Steinar Simonnes	1368	Haskell	2024-04-12 10:20:14

#	User	Length	Language	Date
1	Gregory Sinclair	921	Java	2022-07-26 17:12:53
2	Brendan King	1056	Java	2020-10-03 19:33:54
3	Marcus Der	1088	Java	2019-10-30 18:44:40
4	Akhila Mora	1088	Java	2024-01-04 15:08:39
5	Hua Jun	1139	Java	2020-02-25 15:49:38
6	Ali Pervaiz	1173	Java	2019-03-25 03:46:04
7	Anand Iyer	1191	Java	2019-01-17 05:39:49
8	Carlos Fernández-Vegue García	1241	Java	2019-03-25 00:56:22
9	Godmar Back	1251	Java	2020-09-12 21:37:04
10	Alberto Alvarez	1254	Java	2019-01-07 13:56:41

#	User	Length	Language	Date
1	Peter Kedemo	1190	JavaScript (Node.js)	2019-12-27 23:08:06
2	Andoko Chandra	1506	JavaScript (Node.js)	2020-10-25 18:17:56
3	ChaosOp	2047	JavaScript (Node.js)	2021-04-18 07:18:46

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	799	JavaScript (SpiderMonkey)	2018-12-12 19:18:53
2	Jimmy Gustafsson	950	JavaScript (SpiderMonkey)	2022-08-10 23:14:37
3	Christian Pilegaard Cederquist	1035	JavaScript (SpiderMonkey)	2023-02-21 09:19:25

#	User	Length	Language	Date
1	Timothy Gaede	1558	Julia	2024-04-23 06:03:58

#	User	Length	Language	Date
1	Adam Rankin	885	Kotlin	2023-08-25 19:25:34
2	Martijn Muijsers	1448	Kotlin	2024-06-12 13:31:53
3	Hidden user	2048	Kotlin	2019-12-28 02:36:47

#	User	Length	Language	Date
1	Lars Åström	1772	OCaml	2020-03-27 10:37:05

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1697	Pascal	2018-12-11 19:58:08

#	User	Length	Language	Date
1	Thomas Feld	370	Python 2	2019-09-03 09:17:13
2	João Pedro Alvito	426	Python 2	2018-12-17 19:10:17
3	Jesper Öqvist	551	Python 2	2019-02-26 10:10:06
4	Lars Åström	582	Python 2	2020-03-26 13:28:17
5	Johan Lyts	724	Python 2	2019-07-16 15:12:37
6	Catalin Popa	750	Python 2	2018-12-11 19:21:12
7	Yanmarshus Bachtiar	853	Python 2	2020-08-30 06:22:47
8	Johann Ly	962	Python 2	2018-12-17 06:45:28

#	User	Length	Language	Date
1	Simon Hellsten	247	Python 3	2023-08-16 09:25:33
2	Benjamin Z White	250	Python 3	2023-06-13 14:33:30
3	Suus Brommer	356	Python 3	2025-05-12 15:39:18
4	James Finlinson	380	Python 3	2024-03-08 04:20:23
5	Casper Rysgaard	404	Python 3	2020-11-06 16:55:52
6	Iman Khodadi	409	Python 3	2020-04-10 08:24:05
7	Magnus Eide-Fredriksen	412	Python 3	2023-07-24 15:42:38
8	Farzam Abrishami	415	Python 3	2024-01-20 20:20:14
9	Yong Mao	417	Python 3	2023-08-01 04:47:17
10	Ahmed Chamseddine	424	Python 3	2025-01-10 23:25:23

#	User	Length	Language	Date
1	Thomas Feld	176	Ruby	2023-08-28 16:05:11
2	Yinuo Huang	541	Ruby	2024-05-20 17:52:05
3	Kok Dith	559	Ruby	2021-09-05 12:59:03
4	Donald Dong	563	Ruby	2018-12-30 05:17:51
5	Stefan Kennedy	580	Ruby	2019-01-20 15:35:10
6	Rohan	738	Ruby	2025-05-04 13:39:54
7	Macdara mac an tSionnaigh	1125	Ruby	2019-11-26 02:28:08

#	User	Length	Language	Date
1	Robert Dumitrescu	1778	Rust	2018-12-20 12:01:54
2	Norbert Voelker	1880	Rust	2021-05-29 01:35:46
3	HuaiYuan Jing	2021	Rust	2024-02-01 05:13:52
4	Bas Dirks	2099	Rust	2022-04-11 16:45:29
5	Ethan Niser	2361	Rust	2024-05-22 18:37:27
6	Vincent Lagerros	63298	Rust	2025-08-27 11:55:10

Solution running time distribution