Problem A
SG Coin — Problem Statistics

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Submissions	1722
Accepted submissions	816
Submission ratio	47.39%
Authors	708
Full solves [?]	639
Full solve Ratio	90.25%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-02-14 09:31:19
2	Hidden user	0.00 s	C	2020-07-16 17:27:57
3	Sambit Palit	0.00 s	C	2020-10-01 01:13:46
4	Travis Meade	0.00 s	C	2021-02-06 21:45:14
5	Oscar Cusin	0.00 s	C	2024-04-25 19:53:13

#	User	Runtime	Language	Date
1	Jasmin Baniya	0.02 s	C#	2020-03-01 18:49:34

#	User	Runtime	Language	Date
1	Norbert Voelker	0.07 s	Go	2021-07-17 00:10:43

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2019-10-26 16:55:43
2	Matthew Craven	0.01 s	Haskell	2021-01-31 20:06:02

#	User	Runtime	Language	Date
1	Đặng Bảo Chiến	0.05 s	Java	2018-12-17 04:14:12
2	Hidden user	0.05 s	Java	2024-11-12 14:16:14
3	Liam Keliher	0.06 s	Java	2020-05-17 20:09:56
4	Andrew Polizzotto	0.06 s	Java	2021-01-04 04:01:37
5	Chris Gittings	0.06 s	Java	2021-02-06 19:53:33
6	Malcolm Johnson	0.06 s	Java	2022-11-06 01:04:33
7	Afrizal Fikri	0.07 s	Java	2018-12-13 10:28:30
8	Brent Yorgey	0.07 s	Java	2018-12-14 05:43:29
9	Taras Romanyuk	0.07 s	Java	2024-03-31 00:08:35
10	Collin Jakubik	0.08 s	Java	2021-02-06 21:36:08

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2018-12-16 11:08:37
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-04-04 13:28:46

#	User	Runtime	Language	Date
1	Sam Keyser	0.11 s	Kotlin	2022-11-11 22:15:45
2	Neil Harmon	0.18 s	Kotlin	2019-07-23 09:28:04
3	Adam Rankin	0.18 s	Kotlin	2023-09-11 05:25:11
4	Adam Koprowski	0.21 s	Kotlin	2020-11-11 20:12:19
5	Colin Gay	0.22 s	Kotlin	2019-05-25 21:36:42
6	Johnny Baloney	0.22 s	Kotlin	2022-02-14 20:53:12

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.03 s	Python 2	2019-02-26 11:01:50
2	Guan Yang Ze	0.03 s	Python 2	2019-10-19 07:52:07
3	Thomas Feld	0.03 s	Python 2	2020-03-02 09:36:59

#	User	Runtime	Language	Date
1	Anon	0.02 s	Python 3	2018-12-13 09:28:21
2	Mathias Iversen	0.02 s	Python 3	2018-12-14 10:02:23
3	Alvin Piter	0.02 s	Python 3	2018-12-16 14:30:51
4	David Rasch	0.02 s	Python 3	2018-12-21 14:18:08
5	Catalin Popa	0.02 s	Python 3	2019-01-21 14:53:28
6	Alexei Fedotov	0.02 s	Python 3	2019-02-04 14:01:01
7	Yang Li	0.02 s	Python 3	2019-02-08 22:50:30
8	Kevin Wang	0.02 s	Python 3	2019-02-09 19:47:55
9	Thore Husfeldt	0.02 s	Python 3	2019-03-26 14:20:41
10	Vincent Tandya	0.02 s	Python 3	2019-05-14 06:06:18

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-03-29 14:37:38

#	User	Runtime	Language	Date
1	Iker Lissarrague	0.00 s	Rust	2023-03-28 22:40:39
2	Gustaf Bergmark	0.00 s	Rust	2023-04-26 15:24:49
3	Markus Videfors	0.00 s	Rust	2023-05-02 16:07:17
4	Vincent Lagerros	0.00 s	Rust	2024-04-23 20:47:02
5	Christoffer Andersson	0.00 s	Rust	2024-04-25 14:05:02
6	Rasmus Andersson	0.00 s	Rust	2024-04-29 14:16:12
7	Daniel Anker Hermansen	0.00 s	Rust	2024-10-16 12:42:48
8	Emil Hultcrantz	0.02 s	Rust	2025-04-29 16:34:40
9	Bas Dirks	0.09 s	Rust	2022-04-30 12:01:01

#	User	Runtime	Language	Date
1	Felix Stenberg	0.00 s	Zig	2025-04-28 22:31:55

#	User	Length	Language	Date
1	Oscar Cusin	332	C	2024-04-25 19:53:13
2	Sambit Palit	635	C	2020-10-01 01:13:46
3	Travis Meade	736	C	2021-02-06 21:45:14
4	Hidden user	776	C	2020-07-16 17:27:57
5	Ivan Petrov	865	C	2019-02-14 09:31:19

#	User	Length	Language	Date
1	Jasmin Baniya	1111	C#	2020-03-01 18:49:34

#	User	Length	Language	Date
1	Oliver Lindgren	161	C++	2023-04-27 13:46:08
2	Austin Fernandez	283	C++	2019-08-03 04:49:15
3	Hyunjun Lee	291	C++	2022-11-22 12:54:52
4	Mukhtar Imanaliev	316	C++	2025-12-25 13:03:06
5	Grae Yeandle	318	C++	2020-07-13 16:26:26
6	Paul Wild	329	C++	2023-03-04 03:01:22
7	Roger Chen	352	C++	2021-08-27 21:40:41
8	Johnny Chiu	355	C++	2022-11-21 06:21:27
9	Christian Yongwhan Lim	364	C++	2023-06-12 12:59:38
10	sicupu	377	C++	2021-04-19 16:53:45

#	User	Length	Language	Date
1	Norbert Voelker	850	Go	2021-07-17 00:21:47

#	User	Length	Language	Date
1	Matthew Craven	1335	Haskell	2021-01-31 20:06:02
2	Hidden user	7579	Haskell	2019-10-26 16:55:43

#	User	Length	Language	Date
1	Taras Romanyuk	527	Java	2024-03-31 00:12:47
2	Nguyen Quang Tuan 20200563	535	Java	2021-09-13 11:44:36
3	Bohdan Vakhitov	636	Java	2019-10-27 18:01:57
4	Sam Zheng	658	Java	2021-11-23 20:36:31
5	Ian Gottshall	714	Java	2019-10-27 19:08:25
6	Hao Yang	731	Java	2019-10-27 17:40:39
7	Charles Lyu	767	Java	2019-10-27 18:13:58
8	Dominic Reed	898	Java	2021-02-06 19:44:30
9	Seth Baunach	903	Java	2019-10-27 19:15:01
10	David Harmeyer	954	Java	2021-02-06 19:41:00

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	447	JavaScript (SpiderMonkey)	2018-12-16 11:08:37
2	Christian Pilegaard Cederquist	900	JavaScript (SpiderMonkey)	2023-04-04 13:28:46

#	User	Length	Language	Date
1	Sam Keyser	371	Kotlin	2022-11-11 22:15:45
2	Colin Gay	619	Kotlin	2019-05-25 21:36:42
3	Adam Rankin	888	Kotlin	2023-09-11 05:25:11
4	Adam Koprowski	1020	Kotlin	2020-11-11 20:12:19
5	Neil Harmon	1151	Kotlin	2019-07-23 09:28:04
6	Johnny Baloney	1152	Kotlin	2022-02-14 20:47:07

#	User	Length	Language	Date
1	Thomas Feld	365	Python 2	2020-03-02 09:36:59
2	Guan Yang Ze	368	Python 2	2019-10-19 07:52:07
3	Jesper Öqvist	388	Python 2	2019-02-26 11:01:50

#	User	Length	Language	Date
1	Clement Oh	88	Python 3	2023-10-19 11:51:05
2	Noah Hessen Bjerke	93	Python 3	2025-12-16 01:08:35
3	Isak Reinholdsson	94	Python 3	2024-04-27 13:50:41
4	Yong Mao	100	Python 3	2023-05-02 19:45:30
5	Rikaz Nismi	116	Python 3	2023-05-02 00:35:22
6	Mukhtar Imanaliev	120	Python 3	2025-12-25 13:15:27
7	Hidden user	139	Python 3	2023-04-17 02:12:43
8	Nicholas Russell Saerang	142	Python 3	2023-06-19 00:01:18
9	Hidden user	149	Python 3	2020-03-05 17:44:53
10	Andreas Björklund	164	Python 3	2023-04-07 14:16:39

#	User	Length	Language	Date
1	Thomas Feld	77	Ruby	2023-03-29 15:03:16

#	User	Length	Language	Date
1	Markus Videfors	345	Rust	2023-05-02 16:07:17
2	Rasmus Andersson	449	Rust	2024-04-29 14:16:45
3	Emil Hultcrantz	830	Rust	2025-04-29 16:34:40
4	Bas Dirks	873	Rust	2022-04-30 12:01:01
5	Christoffer Andersson	1019	Rust	2024-04-25 14:05:02
6	Vincent Lagerros	1289	Rust	2024-04-23 20:47:02
7	Iker Lissarrague	2007	Rust	2023-03-28 22:40:39
8	Gustaf Bergmark	8744	Rust	2023-04-26 15:24:49
9	Daniel Anker Hermansen	14793	Rust	2024-10-16 12:42:48

#	User	Length	Language	Date
1	Felix Stenberg	1331	Zig	2025-04-29 23:21:43

Solution running time distribution