Problem C
Canonical Coin Systems — Problem Statistics

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Submissions	9147
Accepted submissions	1925
Submission ratio	21.05%
Authors	1924
Full solves [?]	1245
Full solve Ratio	64.71%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.36 s	Bash	2024-04-18 18:19:51

#	User	Runtime	Language	Date
1	James Hally	0.19 s	C	2017-10-07 22:54:15
2	Jaan Jaerving	0.22 s	C	2022-02-11 15:58:58
3	John Lehett	0.24 s	C	2018-05-09 05:13:09
4	Eyleifur Bjarkason	0.29 s	C	2020-02-04 23:53:25
5	Muhammad Tahir Ghazi	0.30 s	C	2024-02-27 17:23:43
6	Ivan Petrov	0.33 s	C	2019-07-24 10:20:22
7	Adam Evans	0.35 s	C	2017-10-28 23:41:23
8	Yannik Mahlau	0.38 s	C	2019-09-26 01:41:12
9	Jacob Gummesson Atroshi	0.39 s	C	2019-05-22 17:49:41
10	Xinman Liu	0.39 s	C	2021-01-31 08:55:02

#	User	Runtime	Language	Date
1	Martin Walker	0.06 s	C#	2025-06-18 20:23:52
2	Martin Holst	0.49 s	C#	2021-12-04 23:46:11
3	Anders Fischer-Nielsen	0.61 s	C#	2020-11-11 09:42:10
4	Anders Lapiki	0.77 s	C#	2020-11-02 20:55:22
5	Hidden user	0.91 s	C#	2020-11-24 13:48:31
6	Hidden user	0.99 s	C#	2025-10-27 09:07:02
7	Loke Gustafsson	1.06 s	C#	2018-11-27 22:04:20
8	Muskan Shrestha	1.06 s	C#	2020-10-23 22:16:40
9	Pavel Dmitriyevich Rodin	1.08 s	C#	2020-11-16 20:29:50
10	David de Lima Fraga Alves	1.18 s	C#	2020-11-25 05:16:18

#	User	Runtime	Language	Date
1	Filip Bodor	0.00 s	C++	2025-09-06 10:52:52
2	Yuping Luo	0.01 s	C++	2017-10-07 19:26:30
3	Zhizhou Jiang	0.01 s	C++	2017-10-07 21:25:58
4	Xingyu Chen	0.01 s	C++	2017-10-07 21:59:06
5	William Gan	0.01 s	C++	2017-11-21 17:15:04
6	Teodor Bucht	0.01 s	C++	2018-12-24 00:14:51
7	Henry Jayakusuma	0.01 s	C++	2019-03-27 16:43:34
8	Ole Fredrik Borgundvåg Berg	0.01 s	C++	2019-06-13 15:19:36
9	Árni Bjarnsteinsson	0.01 s	C++	2020-02-10 00:18:15
10	Tomas Lagland	0.01 s	C++	2020-09-15 19:08:42

#	User	Runtime	Language	Date
1	Line Dejgaard	0.32 s	Go	2023-10-15 12:32:31

#	User	Runtime	Language	Date
1	Micah Stairs	0.09 s	Java	2017-10-09 06:01:31
2	Daniel West	0.10 s	Java	2018-05-02 21:30:15
3	Rohith Macherla	0.24 s	Java	2017-10-07 20:12:22
4	Shyamal Patel	0.24 s	Java	2017-10-07 20:15:06
5	Rene Argento	0.28 s	Java	2022-12-03 00:14:08
6	Bjørn Dons	0.29 s	Java	2018-11-19 09:54:12
7	Igor Durovic	0.30 s	Java	2017-10-16 23:37:49
8	Collin Jakubik	0.30 s	Java	2021-11-09 19:50:07
9	Alex Yao	0.32 s	Java	2017-10-07 19:31:39
10	Xingfang Yuan	0.33 s	Java	2017-10-07 19:00:09

#	User	Runtime	Language	Date
1	Keaton Ragle	1.33 s	JavaScript (Node.js)	2025-11-06 04:19:44

#	User	Runtime	Language	Date
1	Lionel KITIHOUN	0.92 s	JavaScript (SpiderMonkey)	2018-01-29 10:26:40
2	Christian Pilegaard Cederquist	1.02 s	JavaScript (SpiderMonkey)	2023-07-10 18:26:46

#	User	Runtime	Language	Date
1	Timothy Gaede	1.15 s	Julia	2026-02-27 07:16:00

#	User	Runtime	Language	Date
1	Jacob Huebner	0.21 s	Kotlin	2022-01-26 21:51:40
2	Phường Lên	1.42 s	Kotlin	2020-07-17 02:53:57
3	Thanh Le	1.92 s	Kotlin	2021-07-15 23:01:38

#	User	Runtime	Language	Date
1	Bertrand Evertz	0.06 s	Python 2	2019-11-04 12:10:50
2	Jesper Amorsen	0.06 s	Python 2	2021-09-30 21:17:59
3	Thomas Feld	0.09 s	Python 2	2020-07-01 10:34:22
4	Maj Stenmark	0.68 s	Python 2	2018-04-03 21:09:10
5	Måns Magnusson	0.68 s	Python 2	2019-08-21 22:23:08
6	Michael Bolot	0.71 s	Python 2	2017-10-07 22:12:09
7	Thore Husfeldt	0.91 s	Python 2	2019-10-02 15:07:02
8	Andreas Björklund	1.38 s	Python 2	2019-05-22 07:45:10
9	Arthur Baker	1.45 s	Python 2	2019-04-02 13:42:48
10	Lars Åström	1.68 s	Python 2	2018-04-02 19:59:34

#	User	Runtime	Language	Date
1	Isaac Lee	0.04 s	Python 3	2018-07-05 22:00:37
2	Ivan Marriott	0.05 s	Python 3	2024-11-04 07:47:36
3	Jesper Amorsen	0.08 s	Python 3	2021-10-05 13:32:19
4	Kelly Dance	0.08 s	Python 3	2022-08-24 17:42:16
5	John Zheng	0.08 s	Python 3	2022-10-14 05:32:17
6	Federico Prat Villar	0.08 s	Python 3	2025-10-11 17:18:09
7	Kerk Tai Heng	0.10 s	Python 3	2026-02-28 19:22:13
8	Christofer Ohlsson	0.11 s	Python 3	2020-06-28 23:11:21
9	David Mortensen	0.12 s	Python 3	2020-11-25 18:37:32
10	Ang Wei Heng Kendrick	0.20 s	Python 3	2022-02-17 08:12:12

#	User	Runtime	Language	Date
1	Thomas Feld	0.19 s	Ruby	2023-05-09 14:18:57

#	User	Runtime	Language	Date
1	Aaron Lengyel	0.20 s	Rust	2022-10-19 19:45:04
2	Ishtiaq Hussain Naqi	0.37 s	Rust	2023-08-11 18:04:33
3	Dag Andersen	0.46 s	Rust	2021-10-17 16:28:07
4	Egor Kulikov	1.37 s	Rust	2025-03-18 10:27:37

#	User	Length	Language	Date
1	Chenzhang Hu	1552	Bash	2024-04-18 18:19:51

#	User	Length	Language	Date
1	James Hally	653	C	2017-10-07 22:54:15
2	Mirel Cosulschi	884	C	2023-11-07 22:03:45
3	Ivan Petrov	914	C	2019-07-24 10:20:22
4	Anders Friis Kaas	964	C	2020-10-31 15:12:40
5	Jacob Gummesson Atroshi	983	C	2019-05-22 17:49:41
6	Hidden user	1006	C	2018-10-11 04:54:43
7	Andrew Roberts	1146	C	2018-05-20 01:38:35
8	Marcel Goh	1160	C	2019-11-08 23:24:17
9	Hao Wei Tee	1163	C	2018-10-20 12:30:26
10	Jaan Jaerving	1172	C	2022-02-08 19:21:36

#	User	Length	Language	Date
1	Adrian Cuentas	1234	C#	2026-03-09 08:22:53
2	Martin Holst	1260	C#	2021-12-04 23:51:06
3	Loke Gustafsson	1514	C#	2018-11-27 22:04:20
4	Pavel Dmitriyevich Rodin	1753	C#	2020-11-16 20:29:50
5	Kasper Olsen	1926	C#	2020-11-24 22:32:59
6	Hidden user	1932	C#	2025-10-27 09:07:02
7	David de Lima Fraga Alves	2059	C#	2020-11-25 05:16:18
8	Hidden user	2200	C#	2020-11-24 13:48:31
9	Hidden user	2265	C#	2017-10-07 20:52:53
10	Anders Fischer-Nielsen	2698	C#	2020-11-11 09:41:19

#	User	Length	Language	Date
1	Cong Ding	432	C++	2018-09-30 08:17:27
2	Jiang Yue	504	C++	2018-09-07 15:24:29
3	Lingzhe Meng	514	C++	2017-10-07 18:35:18
4	Yiquan Wang	514	C++	2017-10-07 19:02:35
5	Manshant Singh Kohli	514	C++	2017-10-07 19:12:32
6	Matteo Zappia	520	C++	2022-03-12 14:18:18
7	William Gan	543	C++	2017-11-21 17:15:04
8	Eric Ge	552	C++	2019-09-21 22:22:06
9	Nathaniel Ang	553	C++	2020-02-12 12:29:27
10	Adrien	554	C++	2024-05-17 16:40:36

#	User	Length	Language	Date
1	Line Dejgaard	1715	Go	2023-10-17 11:57:35

#	User	Length	Language	Date
1	Brett Fazio	776	Java	2019-03-24 19:02:42
2	Arun Deegutla	809	Java	2022-11-10 04:00:34
3	Daniel West	841	Java	2018-05-10 20:30:54
4	Pedro Contipelli	849	Java	2018-04-08 05:32:05
5	Evan Partidas	852	Java	2018-04-08 18:31:44
6	Nicklas Elyoenai Imbiri	861	Java	2019-09-29 01:33:25
7	Sam Reinehr	886	Java	2019-10-12 20:28:52
8	Hidden user	896	Java	2017-10-07 21:17:28
9	Jens Michael Sarro Fastrup	930	Java	2022-10-05 12:38:21
10	Ricky Woodruff	951	Java	2018-10-15 00:25:25

#	User	Length	Language	Date
1	Keaton Ragle	1563	JavaScript (Node.js)	2025-11-06 04:13:34

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	747	JavaScript (SpiderMonkey)	2023-07-10 18:26:46
2	Lionel KITIHOUN	3740	JavaScript (SpiderMonkey)	2018-01-29 10:26:40

#	User	Length	Language	Date
1	Timothy Gaede	1148	Julia	2026-02-27 07:16:00

#	User	Length	Language	Date
1	Jacob Huebner	809	Kotlin	2022-01-26 21:51:40
2	Phường Lên	1253	Kotlin	2020-07-17 02:53:57
3	Thanh Le	2305	Kotlin	2021-07-15 23:01:38

#	User	Length	Language	Date
1	Andreas Björklund	391	Python 2	2019-05-22 07:45:10
2	Thomas Feld	444	Python 2	2020-07-01 10:34:22
3	Thore Husfeldt	552	Python 2	2019-08-22 09:14:09
4	Måns Magnusson	566	Python 2	2019-08-21 22:23:08
5	Lars Åström	569	Python 2	2018-04-02 19:59:34
6	Hugo Eberhard	575	Python 2	2020-07-29 16:32:17
7	Jesper Amorsen	598	Python 2	2021-10-05 13:13:13
8	Arthur Baker	629	Python 2	2019-04-02 13:42:48
9	Bertrand Evertz	721	Python 2	2019-11-04 12:10:50
10	Michael Bolot	768	Python 2	2017-10-07 22:12:09

#	User	Length	Language	Date
1	Kelly Dance	263	Python 3	2022-08-24 17:42:16
2	Yong Mao	299	Python 3	2023-08-24 03:56:55
3	Dante Bencivenga	357	Python 3	2023-02-09 00:22:23
4	Oskar Haarklou Veileborg	381	Python 3	2020-05-12 22:49:57
5	Dilhan Salgado	402	Python 3	2024-09-21 21:14:12
6	Thomas Draper	415	Python 3	2022-08-03 04:00:51
7	Nicholas Russell Saerang	423	Python 3	2023-07-23 11:47:36
8	Kyle Cochran	453	Python 3	2022-11-14 18:41:18
9	Hidden user	459	Python 3	2023-08-15 21:18:50
10	Thore Husfeldt	465	Python 3	2020-10-30 08:54:21

#	User	Length	Language	Date
1	Thomas Feld	210	Ruby	2023-05-09 14:21:30

#	User	Length	Language	Date
1	Ishtiaq Hussain Naqi	1301	Rust	2023-08-11 18:04:33
2	Dag Andersen	1620	Rust	2021-09-28 15:16:08
3	Aaron Lengyel	4875	Rust	2022-10-19 19:45:04
4	Egor Kulikov	25900	Rust	2025-03-18 10:27:37

Solution running time distribution