Problem A
Bitcoin Toss — Problem Statistics

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Submissions	659
Accepted submissions	170
Submission ratio	25.80%
Authors	162
Full solves [?]	123
Full solve Ratio	75.93%

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.01 s	C	2018-04-21 14:27:13
2	Jacob Gummesson Atroshi	0.01 s	C	2019-05-29 17:01:16
3	Bergur Snorrason	0.07 s	C	2020-10-23 13:48:17
4	Hidden user	0.18 s	C	2019-09-06 21:43:37
5	Ivan Petrov	0.21 s	C	2020-01-03 09:09:41
6	Bernd Schmidt	0.28 s	C	2017-08-06 14:19:29

#	User	Runtime	Language	Date
1	Hua Fan Cai	0.00 s	C++	2017-03-20 21:11:49
2	Asger Hautop Drewsen	0.00 s	C++	2017-09-14 13:24:55
3	Oskar Haarklou Veileborg	0.00 s	C++	2017-09-14 17:17:18
4	Paco Criado	0.00 s	C++	2023-09-02 21:34:16
5	Harrison Shen	0.00 s	C++	2026-03-05 21:54:36
6	Modan Han	0.01 s	C++	2017-03-18 04:08:27
7	Victor Lecomte	0.01 s	C++	2017-03-18 21:32:45
8	Sean Purcell	0.01 s	C++	2017-03-18 21:53:44
9	Lingsong Zeng	0.01 s	C++	2017-03-18 22:01:12
10	Brandon Zhang	0.01 s	C++	2017-03-18 23:44:44

#	User	Runtime	Language	Date
1	Sam Reinehr	0.09 s	Java	2018-10-16 07:24:57
2	Finn Lidbetter	0.11 s	Java	2017-08-19 16:57:12
3	Terrence Park	0.20 s	Java	2018-07-18 02:44:33
4	Måns Magnusson	0.22 s	Java	2017-08-05 01:37:12
5	Måns Magnusson	0.22 s	Java	2017-09-17 13:56:32
6	Jeffrey Xiao	0.24 s	Java	2017-03-18 21:39:01
7	Darrin Wiley	0.24 s	Java	2018-07-18 04:44:22
8	Joshua Fair	0.28 s	Java	2021-03-04 02:23:18
9	Martin Jakobsson	0.38 s	Java	2018-04-02 18:45:57
10	Benjamin Reidys	0.39 s	Java	2020-03-20 20:30:38

#	User	Runtime	Language	Date
1	Oskar Larsson	0.11 s	Python 2	2019-05-23 18:01:52
2	Linus Karlsson	0.13 s	Python 2	2018-04-10 20:16:01
3	Maj Stenmark	0.13 s	Python 2	2018-04-14 22:28:20
4	Andreas Björklund	0.17 s	Python 2	2019-05-23 07:51:24
5	Lars Åström	0.18 s	Python 2	2018-04-07 16:40:29
6	Victor Zheng	0.50 s	Python 2	2017-03-19 01:14:47

#	User	Runtime	Language	Date
1	Nicholas Russell Saerang	0.12 s	Python 3	2025-01-24 10:59:27
2	Hamish Starling	0.13 s	Python 3	2021-04-23 10:52:57
3	James Rettie	0.33 s	Python 3	2022-09-30 03:36:37
4	Alan Morales	0.34 s	Python 3	2020-04-04 23:05:03
5	Toan Vu	0.34 s	Python 3	2021-03-04 04:11:59
6	Dilhan Salgado	0.55 s	Python 3	2025-10-02 00:17:33
7	Hidden user	0.93 s	Python 3	2023-05-02 21:08:02
8	Kelly Dance	0.99 s	Python 3	2023-04-10 00:26:42
9	Martin Simensen	1.07 s	Python 3	2018-04-12 08:52:48

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2025-05-16 18:31:51

#	User	Length	Language	Date
1	Ivan Petrov	1168	C	2020-01-03 09:09:41
2	Jacob Gummesson Atroshi	1541	C	2019-05-29 17:07:13
3	Hidden user	1709	C	2019-09-06 21:43:37
4	Jesper Öqvist	2036	C	2018-04-21 14:27:13
5	Bergur Snorrason	2652	C	2020-10-23 13:48:17
6	Bernd Schmidt	2905	C	2017-08-06 14:19:29

#	User	Length	Language	Date
1	Johan Wind	600	C++	2017-05-29 17:16:50
2	Austin Fernandez	719	C++	2019-08-25 11:22:32
3	Rene Josiah M. Quinto	927	C++	2017-08-12 09:44:07
4	Antonio Molina Lovett	961	C++	2017-03-18 21:47:40
5	Wang Zhi Jian	977	C++	2019-05-06 18:56:07
6	Aidee Peñamora	989	C++	2018-10-27 09:59:28
7	Erik Amirell Eklöf	1008	C++	2019-05-22 22:52:02
8	Wanjun Li	1022	C++	2018-08-14 06:25:54
9	Modan Han	1028	C++	2017-03-18 04:08:27
10	Howard Cheng	1072	C++	2017-03-18 23:05:06

#	User	Length	Language	Date
1	Kendra Wannamaker	1205	Java	2017-03-18 23:52:21
2	Jiru Xu	1231	Java	2017-09-15 07:56:58
3	Suhas T. Nagar	1289	Java	2024-10-16 00:01:33
4	Quinn Gilbert	1740	Java	2021-09-10 22:23:57
5	Måns Magnusson	1892	Java	2017-09-17 13:56:32
6	Sam Reinehr	1970	Java	2018-10-16 07:24:57
7	Toan Vu	2005	Java	2021-03-04 04:14:57
8	Toan Vu	2005	Java	2021-03-04 04:15:51
9	Darrin Wiley	2050	Java	2018-07-18 04:44:22
10	Måns Magnusson	2168	Java	2017-08-05 01:37:12

#	User	Length	Language	Date
1	Victor Zheng	513	Python 2	2017-03-19 01:14:47
2	Andreas Björklund	569	Python 2	2019-05-23 07:51:24
3	Lars Åström	1128	Python 2	2018-04-07 16:40:29
4	Maj Stenmark	1159	Python 2	2018-04-14 22:28:20
5	Oskar Larsson	1340	Python 2	2019-05-23 18:01:52
6	Linus Karlsson	1752	Python 2	2018-04-10 20:16:01

#	User	Length	Language	Date
1	James Rettie	466	Python 3	2022-09-30 03:36:37
2	Kelly Dance	861	Python 3	2023-04-10 00:26:42
3	Dilhan Salgado	870	Python 3	2025-10-02 00:17:33
4	Nicholas Russell Saerang	903	Python 3	2025-01-24 10:59:50
5	Hidden user	1299	Python 3	2023-05-02 21:08:02
6	Hamish Starling	1491	Python 3	2021-04-23 10:52:57
7	Martin Simensen	1561	Python 3	2018-04-12 08:52:48
8	Toan Vu	1836	Python 3	2021-03-04 04:11:59
9	Alan Morales	2052	Python 3	2020-04-04 23:05:03

#	User	Length	Language	Date
1	Hidden user	10949	Rust	2025-05-16 13:12:37

Solution running time distribution