Problem A
Getting Rid of Coins — Problem Statistics

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Submissions	1333
Accepted submissions	253
Submission ratio	18.98%
Authors	285
Accepted authors	163
Author ratio	57.19%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-07-01 11:41:19
2	Ivan Petrov	0.18 s	C	2019-08-20 13:47:11

#	User	Runtime	Language	Date
1	Michael LoPiccolo	0.01 s	Haskell	2017-09-23 00:48:47
2	Juan Miguel Vilar	0.01 s	Haskell	2020-09-04 16:30:36

#	User	Runtime	Language	Date
1	Erik Odenman	0.05 s	Java	2011-09-25 18:36:52
2	Martin Aldrin	0.05 s	Java	2012-03-02 15:41:16
3	Nick Wu	0.05 s	Java	2016-08-06 23:23:59
4	Måns Magnusson	0.05 s	Java	2016-09-18 23:27:16
5	Andreas Jansson	0.05 s	Java	2016-09-21 19:13:26
6	Erik Baalhuis	0.05 s	Java	2017-08-27 01:05:59
7	Martin Jakobsson	0.05 s	Java	2017-10-26 13:25:48
8	Kadin Tang	0.06 s	Java	2020-08-05 00:32:49
9	Hidden user	0.06 s	Java	2021-01-03 05:13:46
10	Andrew Polizzotto	0.06 s	Java	2021-01-03 05:14:44

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.03 s	Python 2	2015-05-17 23:58:30
2	Mattias Akke	0.03 s	Python 2	2018-02-25 22:40:32
3	Maj Stenmark	0.03 s	Python 2	2018-10-08 21:27:41
4	Sean Yu	0.03 s	Python 2	2018-10-30 05:35:48
5	Johan Lyts	0.03 s	Python 2	2019-03-25 21:09:35
6	Andreas Björklund	0.03 s	Python 2	2019-05-19 14:08:52
7	Hidden user	0.03 s	Python 2	2019-12-02 03:20:28

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.02 s	Python 3	2015-05-17 23:49:56
2	Silas Lenz	0.02 s	Python 3	2019-05-20 15:47:58
3	Björn Detterfelt	0.03 s	Python 3	2019-05-20 15:23:24
4	Rickard Torén	0.03 s	Python 3	2019-05-20 17:38:31
5	Hidden user	0.04 s	Python 3	2022-10-21 23:08:22
6	Hrant Hovhannisyan	0.04 s	Python 3	2025-04-17 10:30:33
7	Andrew Godbout	0.05 s	Python 3	2020-07-22 14:21:39
8	Jakob Israelsen	0.05 s	Python 3	2021-10-04 22:51:51
9	Wesley Lui	0.05 s	Python 3	2022-02-26 10:32:00
10	Ryan Tan	0.05 s	Python 3	2022-12-11 14:25:38

#	User	Length	Language	Date
1	Ivan Petrov	1098	C	2019-08-20 13:47:11
2	Hidden user	2749	C	2017-07-01 11:41:19

#	User	Length	Language	Date
1	Syx Pek	549	C++	2016-03-13 10:55:44
2	Alexander Lee	572	C++	2018-02-19 15:18:32
3	Thiago Bastos	643	C++	2021-06-03 17:31:39
4	Sidhant Bansal	672	C++	2018-05-11 08:15:52
5	Tia Shi Wei	709	C++	2020-07-02 15:06:12
6	William Gan	714	C++	2017-12-23 14:06:58
7	Timothy Ho	729	C++	2016-03-17 07:06:29
8	Urban Pettersson	748	C++	2012-03-02 12:11:57
9	Bùi Việt Dũng	794	C++	2018-02-16 19:29:30
10	Jeremy Lim	800	C++	2023-12-16 16:24:36

#	User	Length	Language	Date
1	Michael LoPiccolo	553	Haskell	2017-09-23 00:49:28
2	Juan Miguel Vilar	3667	Haskell	2020-09-04 16:30:36

#	User	Length	Language	Date
1	Darrin Wiley	1066	Java	2016-01-18 04:27:19
2	Noah Goldsmid	1083	Java	2017-08-29 23:10:33
3	Josenildo Silva	1172	Java	2017-12-25 02:42:30
4	Johan Sannemo	1189	Java	2012-02-29 11:04:34
5	Doug Goodman	1447	Java	2019-03-08 16:03:31
6	Erik Odenman	1481	Java	2011-09-25 18:36:52
7	Collin Jakubik	1500	Java	2021-11-10 00:08:51
8	Markus Bao	1503	Java	2022-10-02 15:48:49
9	Frank Ruskey	1618	Java	2016-11-13 23:58:08
10	Zhivko Nenchev	1686	Java	2018-12-11 12:00:37

#	User	Length	Language	Date
1	Andreas Björklund	525	Python 2	2019-05-19 14:08:52
2	Hidden user	797	Python 2	2019-12-02 03:17:59
3	Maj Stenmark	979	Python 2	2018-10-08 21:27:41
4	Alexandre Loiko	1132	Python 2	2015-05-17 23:58:30
5	Johan Lyts	1255	Python 2	2019-03-25 21:09:35
6	Mattias Akke	1265	Python 2	2018-02-25 22:40:32
7	Sean Yu	2527	Python 2	2018-10-30 05:35:48

#	User	Length	Language	Date
1	Nicholas Russell Saerang	332	Python 3	2024-04-28 15:45:41
2	Hrant Hovhannisyan	414	Python 3	2025-04-17 10:30:33
3	Bhav Ashok	580	Python 3	2020-11-06 04:31:46
4	Tobias Glimmerfors	620	Python 3	2020-11-09 20:49:07
5	Hidden user	644	Python 3	2022-10-21 23:56:37
6	Ryan Tan	646	Python 3	2022-12-11 14:25:38
7	Hidden user	657	Python 3	2022-05-04 18:09:44
8	Alexandre Loiko	843	Python 3	2015-05-18 00:11:33
9	Teikn Smith	1026	Python 3	2023-11-11 19:22:35
10	Björn Detterfelt	1098	Python 3	2019-05-20 15:23:24

Solution running time distribution