Problem A
e-Coins — Problem Statistics

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Submissions	2791
Accepted submissions	687
Submission ratio	24.61%
Authors	504
Full solves [?]	412
Full solve Ratio	81.75%

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.07 s	C	2019-08-28 11:54:23
2	Aked Hindi	0.12 s	C	2015-03-15 14:07:58
3	Sabit Zahin	0.15 s	C	2015-10-20 19:22:47
4	Markus Videll	0.19 s	C	2015-09-29 17:59:49
5	mirah	0.25 s	C	2024-11-30 15:59:56
6	Ivan Petrov	0.31 s	C	2019-09-18 15:49:37
7	Hidden user	0.33 s	C	2015-02-19 16:10:41
8	Hidden user	0.34 s	C	2015-04-20 20:35:27
9	Bergur Snorrason	0.38 s	C	2020-01-28 14:49:19

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.61 s	C#	2020-10-14 21:05:00
2	Hidden user	0.72 s	C#	2016-11-27 20:29:52
3	Sabit Turessayev	0.82 s	C#	2017-04-07 05:47:37
4	Emma Thorild	0.98 s	C#	2017-03-20 18:44:35
5	Silwan Haddad	0.98 s	C#	2017-07-10 02:46:35
6	Rasmus Brants	0.98 s	C#	2017-08-22 15:54:51
7	Von Morano	0.98 s	C#	2017-08-26 15:12:25
8	Engy Henin	0.98 s	C#	2017-11-14 21:47:40
9	Sardar Batofi	0.98 s	C#	2018-06-12 11:34:42
10	Mahmoud Sukkar	0.99 s	C#	2018-05-05 22:25:18

#	User	Runtime	Language	Date
1	Per Persson	0.04 s	C++	2015-08-25 10:14:35
2	Mikael Fiala-Lundström	0.06 s	C++	2017-12-10 17:13:26
3	Ziyi Zhang	0.09 s	C++	2017-10-02 00:03:17
4	Arnar Ágúst Kristjánsson	0.10 s	C++	2021-02-15 16:46:53
5	Jonas Hietala	0.11 s	C++	2014-03-31 15:08:41
6	Bjarki Ágúst Guðmundsson	0.11 s	C++	2014-04-03 17:08:39
7	Alex Olsson	0.11 s	C++	2016-06-23 15:23:23
8	Turfa Auliarachman	0.11 s	C++	2016-10-04 00:50:53
9	Johan Wind	0.11 s	C++	2018-05-09 15:19:22
10	Dmitry Lyubshin	0.11 s	C++	2018-05-31 16:34:09

#	User	Runtime	Language	Date
1	Mike Nguyen	1.74 s	Go	2024-06-17 07:25:18

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.38 s	Java	2020-10-13 23:14:55
2	Måns Magnusson	0.45 s	Java	2017-08-04 20:10:03
3	Farkhod Kholbutayev	0.45 s	Java	2018-05-31 17:22:15
4	Crystal Sharpe	0.48 s	Java	2021-04-20 22:44:54
5	Liam Keliher	0.49 s	Java	2017-06-25 12:40:30
6	Nasir Uddin	0.50 s	Java	2017-04-01 11:01:13
7	Silwan Haddad	0.50 s	Java	2017-07-13 02:08:35
8	Taras Romanyuk	0.50 s	Java	2024-11-27 22:23:44
9	Sutasraba Dutta	0.51 s	Java	2018-04-26 23:47:44
10	Christopher Udeh	0.51 s	Java	2023-03-23 07:35:09

#	User	Runtime	Language	Date
1	Jacob Huebner	0.57 s	Kotlin	2022-01-22 01:14:28
2	Ali Amid	0.88 s	Kotlin	2024-08-23 10:44:37
3	Nicholas Johnson	0.99 s	Kotlin	2020-11-06 01:52:08

#	User	Runtime	Language	Date
1	Hermon Mulat	0.28 s	Python 2	2019-01-12 00:36:47
2	Greg Hamerly	1.32 s	Python 2	2018-05-13 16:37:26
3	Björn Magnusson	1.41 s	Python 2	2020-09-05 16:50:37
4	Alfonso Acosta	1.70 s	Python 2	2014-12-11 14:14:33
5	Hidden user	1.85 s	Python 2	2018-05-12 09:35:05
6	Maj Stenmark	2.14 s	Python 2	2018-05-06 18:47:18
7	Andreas Björklund	2.36 s	Python 2	2019-05-10 05:28:36

#	User	Runtime	Language	Date
1	Carl Jarlhäll	0.76 s	Python 3	2025-07-25 11:15:52
2	Hussin Suleiman	0.81 s	Python 3	2026-03-01 23:55:40
3	Sonny Chan	0.91 s	Python 3	2020-05-31 05:17:14
4	Timothy Baeckelant	1.02 s	Python 3	2023-12-17 00:32:09
5	Ahmed Chamseddine	1.08 s	Python 3	2024-05-10 23:12:59
6	Marcus Ruderer	1.09 s	Python 3	2025-02-26 21:26:18
7	Tony Kwan	1.14 s	Python 3	2022-07-28 01:57:53
8	Ryan Tan	1.29 s	Python 3	2022-05-23 03:10:33
9	Nils Wikström	1.34 s	Python 3	2025-07-07 16:36:20
10	Logan Murrie	1.38 s	Python 3	2025-10-06 23:36:37

#	User	Runtime	Language	Date
1	Muhammad Fairuzi Teguh	0.21 s	Rust	2022-02-11 09:29:59
2	Nicholas Johnson	0.24 s	Rust	2020-10-09 22:03:31
3	Buster Hultgren Wärn	0.36 s	Rust	2024-07-30 09:49:52
4	Viola Söderlund	0.37 s	Rust	2025-08-02 18:55:40
5	Thomas Hügel	0.92 s	Rust	2021-01-02 14:21:23
6	Jiaxun Wei	1.08 s	Rust	2024-12-23 08:10:05
7	Daniel Anker Hermansen	1.49 s	Rust	2023-09-23 21:05:57

#	User	Length	Language	Date
1	Hidden user	938	C	2015-02-19 16:10:41
2	Aked Hindi	1002	C	2015-03-15 14:07:58
3	Ivan Petrov	1080	C	2019-09-18 15:49:37
4	Jesper Öqvist	1137	C	2018-06-08 20:17:13
5	Sam Zheng	1494	C	2021-11-22 01:09:36
6	Sabit Zahin	1683	C	2015-10-20 19:22:47
7	mirah	1809	C	2024-11-30 15:59:56
8	Bernd Schmidt	1830	C	2017-08-08 16:21:36
9	Bergur Snorrason	2020	C	2021-02-10 11:32:11

#	User	Length	Language	Date
1	Nathan Andrews	1556	C#	2024-10-10 23:43:05
2	Hidden user	1631	C#	2016-11-27 20:29:52
3	Fredrik Baldhagen	2492	C#	2024-10-23 17:07:00
4	Sabit Turessayev	3424	C#	2017-04-07 05:47:37
5	Rasmus Brants	3513	C#	2017-08-22 15:58:24
6	Sardar Batofi	3799	C#	2018-06-12 12:01:12
7	Markus Brolin	3800	C#	2016-11-28 13:11:15
8	Emma Thorild	3800	C#	2017-03-20 18:44:35
9	Silwan Haddad	3800	C#	2017-07-10 02:46:35
10	Von Morano	3800	C#	2017-08-26 15:12:25

#	User	Length	Language	Date
1	Herman Karlsson	681	C++	2017-01-19 19:09:46
2	Paul Wild	747	C++	2023-03-23 16:53:44
3	Someya Boukris	771	C++	2017-11-14 12:47:32
4	Yuxin Sun	797	C++	2017-10-01 21:14:21
5	Andreas Alberg	798	C++	2022-10-19 16:14:40
6	Josenildo Silva	799	C++	2017-01-14 15:27:14
7	Sichao Yang	808	C++	2017-10-01 22:38:18
8	Johan Wind	813	C++	2018-05-09 15:19:22
9	Emma Nimstad	847	C++	2014-11-23 21:02:28
10	Rene Josiah M. Quinto	866	C++	2016-11-12 06:38:12

#	User	Length	Language	Date
1	Mike Nguyen	1508	Go	2024-06-17 07:31:01

#	User	Length	Language	Date
1	Doug Goodman	1143	Java	2019-01-21 18:10:08
2	Sam Huynh	1148	Java	2021-02-24 06:37:20
3	Bambanza Jean Paul	1275	Java	2016-11-22 17:48:08
4	Darrin Wiley	1339	Java	2017-08-04 19:33:30
5	Hidden user	1359	Java	2015-04-22 14:30:48
6	Tylan McKinney	1376	Java	2020-11-02 01:31:04
7	Sam Reinehr	1405	Java	2017-11-10 04:28:04
8	Alex Olsson	1499	Java	2016-06-15 11:49:32
9	Jon Marius Venstad	1587	Java	2023-03-15 13:49:56
10	Micah Stairs	1711	Java	2017-06-26 05:32:15

#	User	Length	Language	Date
1	Ali Amid	1144	Kotlin	2024-08-23 10:44:37
2	Nicholas Johnson	1477	Kotlin	2020-11-06 01:52:08
3	Jacob Huebner	2107	Kotlin	2020-10-10 03:06:15

#	User	Length	Language	Date
1	Hidden user	671	Python 2	2018-05-12 09:35:05
2	Andreas Björklund	685	Python 2	2019-05-10 05:28:36
3	Björn Magnusson	685	Python 2	2020-09-05 16:50:37
4	Maj Stenmark	1169	Python 2	2018-05-06 18:47:18
5	Greg Hamerly	1466	Python 2	2018-05-13 16:37:26
6	Hermon Mulat	2721	Python 2	2019-01-12 00:36:47
7	Alfonso Acosta	4588	Python 2	2014-12-11 14:14:33

#	User	Length	Language	Date
1	Ahmed Chamseddine	443	Python 3	2024-05-10 23:12:59
2	Nicholas Russell Saerang	639	Python 3	2023-07-18 19:33:48
3	Robert Nix	792	Python 3	2020-01-13 20:22:46
4	Enrique Javier Cobo Jimenez	866	Python 3	2024-11-17 19:02:04
5	Hugo Moeller Nielsen	951	Python 3	2024-04-28 18:54:18
6	Jón Gunnar Hannesson	983	Python 3	2021-02-17 01:45:12
7	Cristina Sanchez Lopez	995	Python 3	2025-09-24 09:45:39
8	Ryan Tan	1049	Python 3	2022-05-23 03:10:33
9	Riko Jacob	1062	Python 3	2020-11-12 20:44:55
10	Hussin Suleiman	1088	Python 3	2026-03-01 23:55:40

#	User	Length	Language	Date
1	Nicholas Johnson	1966	Rust	2020-10-09 22:03:31
2	Jiaxun Wei	2111	Rust	2024-12-23 08:10:05
3	Thomas Hügel	2487	Rust	2021-01-02 14:23:49
4	Muhammad Fairuzi Teguh	2993	Rust	2022-02-11 09:29:59
5	Buster Hultgren Wärn	3166	Rust	2024-07-30 09:49:52
6	Viola Söderlund	10150	Rust	2025-08-02 18:12:40
7	Daniel Anker Hermansen	27262	Rust	2023-09-23 21:05:57

Solution running time distribution