Problem C
Galactic Collegiate Programming Contest — Problem Statistics

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Submissions	18970
Accepted submissions	3545
Submission ratio	18.69%
Authors	2651
Full solves [?]	2082
Full solve Ratio	78.54%

#	User	Runtime	Language	Date
1	Chen Shenghao	0.01 s	C	2019-09-14 13:10:19
2	Ioannis Br	0.02 s	C	2020-07-03 02:53:33
3	Ivan Petrov	0.06 s	C	2019-10-16 08:09:01
4	Ulrich Johan Isachsen	1.34 s	C	2017-10-07 13:41:58

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	C#	2017-10-08 13:44:48
2	Dan Wolff	0.43 s	C#	2018-10-09 22:00:11

#	User	Runtime	Language	Date
1	Chen Shenghao	0.01 s	C++	2019-09-14 12:39:41
2	Jannik Olbrich	0.02 s	C++	2019-03-16 16:26:58
3	Hidden user	0.02 s	C++	2019-10-15 09:35:28
4	Ninghui Li	0.02 s	C++	2021-01-25 00:05:10
5	Constantijn Dekker	0.02 s	C++	2022-08-14 22:36:11
6	Walker Drury	0.02 s	C++	2023-03-28 00:41:04
7	Kelvin Zheng	0.02 s	C++	2025-02-22 07:36:25
8	Hidden user	0.02 s	C++	2025-02-23 00:34:06
9	Sakurua	0.02 s	C++	2025-03-17 02:35:04
10	yun673	0.02 s	C++	2026-03-17 12:45:44

#	User	Runtime	Language	Date
1	Hugo Sansaqua	0.21 s	Common Lisp	2021-01-23 20:25:37

#	User	Runtime	Language	Date
1	Norbert Voelker	0.33 s	Go	2022-10-26 16:14:20
2	Krzysztof Gibuła	0.55 s	Go	2021-07-03 01:16:21
3	Kasper Sacharias Roos Eenberg	1.76 s	Go	2017-10-07 18:09:24

#	User	Runtime	Language	Date
1	Rudy Matela	1.25 s	Haskell	2023-10-03 19:12:40
2	Roger Ballard	1.84 s	Haskell	2017-11-05 20:24:05

#	User	Runtime	Language	Date
1	Chen Shenghao	0.19 s	Java	2019-09-14 11:40:04
2	Isaac Tay Zhi Xian	0.20 s	Java	2022-07-18 10:41:43
3	Li Hong Sheng Gabriel	0.27 s	Java	2020-03-29 09:31:52
4	Jacob Zhang	0.28 s	Java	2022-08-30 16:16:32
5	Leon Tham	0.31 s	Java	2019-09-23 14:46:55
6	Tyler VanHaren	0.33 s	Java	2017-12-04 00:14:04
7	Gustav Valentin Yde	0.33 s	Java	2018-09-22 17:52:11
8	Jeremias Nathanial Liew Yong Hui	0.33 s	Java	2019-10-27 18:55:11
9	Nicholas Russell Saerang	0.34 s	Java	2021-03-16 17:33:09
10	Hidden user	0.35 s	Java	2017-10-07 12:32:06

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.76 s	JavaScript (SpiderMonkey)	2023-06-21 17:18:56

#	User	Runtime	Language	Date
1	Peter Mikkelsen	0.94 s	Kotlin	2020-07-15 20:16:45
2	Viktor Lindberg	1.23 s	Kotlin	2017-10-19 23:24:34
3	Adam Koprowski	1.29 s	Kotlin	2020-09-09 23:52:52
4	Phường Lên	1.34 s	Kotlin	2020-07-29 22:31:33

#	User	Runtime	Language	Date
1	Caleb Austin	0.25 s	Lua	2024-09-07 00:22:02

#	User	Runtime	Language	Date
1	Ishpreet Singh Bhasin	0.13 s	OCaml	2026-01-07 13:37:48

#	User	Runtime	Language	Date
1	Sigurður Jens Albertsson	0.13 s	Python 2	2017-11-23 02:54:07
2	Andrei Stoica	0.14 s	Python 2	2017-10-10 14:28:23
3	Ciara Godwin	0.14 s	Python 2	2018-04-27 17:35:21
4	Andreas Lindner	0.15 s	Python 2	2017-10-08 16:45:10
5	Harry Smidt	0.16 s	Python 2	2019-11-11 13:11:42
6	Tomás Cariño	0.17 s	Python 2	2018-12-03 05:58:06
7	Oskar Ottander	0.19 s	Python 2	2017-10-07 15:38:57
8	Frederik Højholt	0.19 s	Python 2	2017-10-09 21:59:05
9	Torbjørn Stanghelle Morland	0.20 s	Python 2	2017-10-07 15:21:08
10	Pornodyret Snadre	0.25 s	Python 2	2017-10-07 13:01:50

#	User	Runtime	Language	Date
1	Hidden user	0.11 s	Python 3	2025-02-20 19:35:44
2	Hidden user	0.11 s	Python 3	2025-02-21 05:57:34
3	Avery	0.11 s	Python 3	2025-08-13 06:29:52
4	Juliette Hanford	0.12 s	Python 3	2025-09-18 20:08:31
5	Gabriel Caballero	0.14 s	Python 3	2024-09-16 19:33:51
6	Sander Oppen	0.14 s	Python 3	2024-09-26 15:29:03
7	Hidden user	0.14 s	Python 3	2025-02-15 00:11:05
8	Thomas Bolf	0.15 s	Python 3	2025-02-22 19:34:17
9	Hussin Suleiman	0.15 s	Python 3	2025-09-16 17:07:07
10	Tim Poulsen	0.16 s	Python 3	2020-10-09 11:16:32

#	User	Runtime	Language	Date
1	Casper Christensen	0.22 s	Ruby	2019-06-10 19:31:52

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-05-15 17:35:22
2	Sindbad Walter	0.03 s	Rust	2023-09-15 17:47:28
3	Artur Khuziakhmetov	0.03 s	Rust	2025-03-06 14:31:58
4	Joe Blower	0.03 s	Rust	2025-08-28 02:35:11
5	Mckinley Xie	0.04 s	Rust	2025-02-14 22:40:22
6	Mathias Svensson	0.11 s	Rust	2019-09-23 23:58:41
7	Niklas Sandén	0.14 s	Rust	2022-09-01 18:15:48
8	Egor Kulikov	0.15 s	Rust	2024-10-16 15:58:33
9	Lars Tveito	0.16 s	Rust	2022-02-28 20:00:59
10	WhyAre	0.33 s	Rust	2024-12-19 19:53:16

#	User	Length	Language	Date
1	Ulrich Johan Isachsen	738	C	2017-10-07 13:41:58
2	Chen Shenghao	1597	C	2019-09-14 13:10:19
3	Ivan Petrov	1765	C	2019-10-16 08:09:01
4	Ioannis Br	4490	C	2020-07-03 02:58:17

#	User	Length	Language	Date
1	Dan Wolff	4478	C#	2018-10-09 22:00:11
2	Hidden user	5995	C#	2017-10-08 13:44:48

#	User	Length	Language	Date
1	Manshant Singh Kohli	437	C++	2017-10-28 10:03:31
2	Lichao Hu	551	C++	2018-02-26 10:35:13
3	Jun Yan	604	C++	2024-08-06 05:11:06
4	Mugeon Kim	606	C++	2024-12-16 03:42:56
5	Hidden user	613	C++	2025-04-17 06:36:38
6	Clement Oh	630	C++	2024-01-22 09:43:39
7	Leonid Cuklev	632	C++	2024-06-21 20:30:14
8	Roger Chen	634	C++	2021-08-15 19:52:23
9	Damjan Davkov	639	C++	2024-06-16 13:23:21
10	Yeung Man Tsung	666	C++	2022-11-21 06:59:47

#	User	Length	Language	Date
1	Hugo Sansaqua	20526	Common Lisp	2021-01-23 20:25:37

#	User	Length	Language	Date
1	Norbert Voelker	1765	Go	2022-10-26 16:14:20
2	Kasper Sacharias Roos Eenberg	2326	Go	2017-10-07 18:09:24
3	Krzysztof Gibuła	2351	Go	2021-07-03 01:16:21

#	User	Length	Language	Date
1	Roger Ballard	1766	Haskell	2017-11-05 20:24:05
2	Rudy Matela	2530	Haskell	2023-10-03 19:12:40

#	User	Length	Language	Date
1	Jiru Xu	792	Java	2017-10-19 07:18:34
2	Doug Goodman	1092	Java	2017-12-05 20:21:42
3	Calvin Godfrey	1130	Java	2020-05-21 19:29:42
4	Weitao Li	1290	Java	2017-10-22 23:09:58
5	William Du	1384	Java	2025-09-20 21:45:43
6	Peter Montgomery	1409	Java	2023-09-16 04:37:20
7	Ritwik Jain	1434	Java	2022-08-31 14:07:32
8	Xuyan Zhou	1434	Java	2023-03-25 08:30:49
9	Mykyta Bychkov	1434	Java	2024-09-17 22:45:30
10	Richard Huang	1434	Java	2024-09-19 01:55:58

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	4188	JavaScript (SpiderMonkey)	2023-06-21 17:18:56

#	User	Length	Language	Date
1	Phường Lên	1112	Kotlin	2020-07-29 22:31:33
2	Peter Mikkelsen	1412	Kotlin	2021-01-11 19:17:06
3	Viktor Lindberg	2614	Kotlin	2017-10-19 23:24:34
4	Adam Koprowski	7463	Kotlin	2020-09-09 23:52:52

#	User	Length	Language	Date
1	Caleb Austin	1347	Lua	2024-09-07 00:22:02

#	User	Length	Language	Date
1	Ishpreet Singh Bhasin	1691	OCaml	2026-01-07 13:37:48

#	User	Length	Language	Date
1	Justus Karlsson	360	Python 2	2018-01-25 23:38:17
2	Tomás Cariño	457	Python 2	2018-12-03 05:58:06
3	Frederik Højholt	556	Python 2	2017-10-09 22:16:25
4	Andreas Björklund	558	Python 2	2018-11-29 12:56:12
5	Lars Åström	590	Python 2	2018-12-01 12:46:22
6	Maj Stenmark	667	Python 2	2018-08-01 23:58:07
7	Andrei Stoica	672	Python 2	2017-10-10 14:28:23
8	Ciara Godwin	788	Python 2	2018-04-27 17:38:46
9	Torbjørn Stanghelle Morland	852	Python 2	2017-10-07 15:21:08
10	Hiếu Ngọc Đào	890	Python 2	2020-04-23 15:11:35

#	User	Length	Language	Date
1	Avery	205	Python 3	2025-08-13 06:20:48
2	Rasmus Hulthe	239	Python 3	2024-10-08 18:30:38
3	Hrant Hovhannisyan	324	Python 3	2025-07-29 10:34:53
4	Martin Landälv	366	Python 3	2017-10-13 20:35:46
5	Gustavo Fadel	368	Python 3	2021-11-30 03:31:28
6	Iman Khodadi	370	Python 3	2024-06-21 12:18:25
7	Justus Karlsson	388	Python 3	2018-01-25 23:30:59
8	Morten Hein Tiljeset	404	Python 3	2017-10-14 20:58:42
9	Zile Zhu	405	Python 3	2021-01-17 21:38:07
10	Abolfazl Sherafat	429	Python 3	2018-03-29 21:00:11

#	User	Length	Language	Date
1	Casper Christensen	646	Ruby	2019-06-10 19:31:52

#	User	Length	Language	Date
1	Mathias Svensson	953	Rust	2019-09-23 23:58:41
2	Kristoffer Søholm	1253	Rust	2019-09-23 23:57:33
3	Lars Tveito	1726	Rust	2022-02-28 20:00:59
4	Mckinley Xie	1783	Rust	2025-02-14 22:40:22
5	Sindbad Walter	2034	Rust	2023-09-29 19:56:54
6	Artur Khuziakhmetov	2348	Rust	2025-03-06 14:31:58
7	Joe Blower	2782	Rust	2025-08-28 02:35:11
8	Vincent Lagerros	4445	Rust	2024-05-15 17:31:00
9	WhyAre	20260	Rust	2024-12-19 17:28:14
10	Niklas Sandén	26942	Rust	2022-09-01 18:15:48

Solution running time distribution