Problem A
Bobby's Bet — Problem Statistics

Back to problem description

Submissions	3570
Accepted submissions	1691
Submission ratio	47.37%
Authors	1559
Full solves [?]	1354
Full solve Ratio	86.85%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.10 s	Bash	2024-04-17 18:45:07

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-11-08 15:38:15
2	Eyleifur Bjarkason	0.00 s	C	2019-11-09 21:06:34
3	Zhuowei Zhang	0.01 s	C	2015-10-03 19:12:32
4	Guixing Lin	0.01 s	C	2015-10-03 19:48:17
5	Tomáš Drtina	0.01 s	C	2015-10-03 20:13:05
6	Lizhi Xiang	0.01 s	C	2015-10-06 20:46:23
7	貓貓吃狗狗	0.01 s	C	2015-10-15 12:58:04
8	Jim Diamond	0.01 s	C	2016-10-05 17:09:02
9	Anthony Clark	0.01 s	C	2017-04-02 21:00:21
10	Jón Steinn Elíasson	0.01 s	C	2017-07-10 16:53:10

#	User	Runtime	Language	Date
1	Piotr Karpala	0.02 s	C#	2015-10-04 19:33:56
2	Marius Løkketangen	0.05 s	C#	2017-03-24 14:31:30
3	Akif Kamal	0.06 s	C#	2015-10-04 07:32:47
4	Rail Sabirov	0.06 s	C#	2016-10-19 22:26:54
5	Hallvard Braaten	0.06 s	C#	2017-03-24 15:19:27
6	Regine Gorges	0.06 s	C#	2018-11-17 11:15:44
7	Robert Low	0.09 s	C#	2016-08-12 15:28:43
8	Ilia Volkov	1.95 s	C#	2016-09-18 14:46:53

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2021-08-22 20:53:01
2	Hidden user	0.25 s	Go	2022-06-22 14:56:05

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2024-07-28 21:35:02
2	Fumiaki Takagi	0.17 s	Haskell	2023-01-27 09:27:11
3	Hidden user	0.18 s	Haskell	2022-12-23 22:20:46
4	Brent Yorgey	0.19 s	Haskell	2018-06-15 17:36:27

#	User	Runtime	Language	Date
1	Sunghun Lee	0.09 s	Java	2021-02-04 00:58:32
2	Bjørn Dons	0.11 s	Java	2019-10-30 20:57:29
3	Marco Vincenzo Karaan	0.12 s	Java	2015-10-05 13:16:13
4	Daniel Moyer	0.13 s	Java	2016-09-24 02:24:55
5	Alex Li	0.13 s	Java	2017-09-24 00:51:18
6	Huaiyu Wu	0.14 s	Java	2015-10-03 19:07:03
7	Mason Liu	0.14 s	Java	2015-10-03 20:00:04
8	Nick Wu	0.14 s	Java	2015-10-05 11:38:20
9	Martijn Muijsers	0.14 s	Java	2017-04-29 20:54:54
10	Zach Glick	0.14 s	Java	2017-09-23 03:34:09

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2016-08-10 01:35:45
2	Mats Krüger Svensson	0.03 s	JavaScript (SpiderMonkey)	2017-03-22 17:33:58
3	Stian Surén	0.03 s	JavaScript (SpiderMonkey)	2017-04-19 10:56:50
4	Gabriel Lau	0.04 s	JavaScript (SpiderMonkey)	2016-03-30 04:58:37
5	Christian Pilegaard Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-05-24 21:08:36
6	Jimmy Gustafsson	0.06 s	JavaScript (SpiderMonkey)	2025-07-22 10:53:18
7	Michael Laszlo	0.07 s	JavaScript (SpiderMonkey)	2016-10-12 02:19:52
8	Axel Nilsson	0.07 s	JavaScript (SpiderMonkey)	2017-06-29 11:29:20

#	User	Runtime	Language	Date
1	Gabriel Galvez	0.45 s	Julia	2025-04-05 19:42:25
2	Hidden user	0.46 s	Julia	2025-09-15 23:01:53
3	Timothy Gaede	0.77 s	Julia	2024-06-17 08:43:18

#	User	Runtime	Language	Date
1	Jonathan Soo	0.24 s	Kotlin	2020-03-19 10:08:57
2	Jacob Huebner	0.24 s	Kotlin	2022-01-11 10:19:41
3	Kyle Moran	0.51 s	Kotlin	2021-10-19 19:26:21
4	Adam Rankin	0.55 s	Kotlin	2023-09-03 17:32:25

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.25 s	Prolog	2016-03-02 11:40:08

#	User	Runtime	Language	Date
1	Calvin Liu	0.07 s	Python 2	2015-10-03 19:16:51
2	Ross Churchley	0.08 s	Python 2	2015-10-03 20:39:11
3	Jerry	0.10 s	Python 2	2015-10-03 20:04:22
4	Jonathan Wan	0.10 s	Python 2	2015-10-03 21:52:42
5	Christofer Ohlsson	0.10 s	Python 2	2015-10-14 11:32:26
6	Frederik Højholt	0.10 s	Python 2	2015-10-29 18:52:30
7	Hermon Mulat	0.10 s	Python 2	2016-12-18 02:52:41
8	Lars Åström	0.10 s	Python 2	2018-06-25 23:25:12
9	Ted Ying	0.11 s	Python 2	2015-10-03 19:18:30
10	Sean Purcell	0.12 s	Python 2	2015-10-03 20:04:20

#	User	Runtime	Language	Date
1	Tony Le	0.06 s	Python 3	2025-11-22 07:11:40
2	Daniel Liao	0.06 s	Python 3	2025-11-24 19:24:21
3	Andreja Lapajne	0.07 s	Python 3	2019-05-16 00:52:53
4	Hidden user	0.07 s	Python 3	2025-11-20 19:51:39
5	Junghoon Cho	0.08 s	Python 3	2025-11-23 17:12:02
6	Ulises Sinhue González Ochoa	0.08 s	Python 3	2025-12-04 01:23:49
7	Yang Li	0.09 s	Python 3	2018-06-05 01:45:41
8	Peter Stauder	0.09 s	Python 3	2022-09-10 11:55:37
9	Charlie Eastin	0.09 s	Python 3	2025-02-18 00:18:41
10	Jocelyne Li	0.09 s	Python 3	2025-11-21 03:08:22

#	User	Runtime	Language	Date
1	Thomas Feld	0.18 s	Ruby	2023-08-09 10:31:43

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-08-09 19:07:50
2	Muhammad Rais Fathin Mudzakir	0.01 s	Rust	2021-06-06 11:14:05
3	Ben Heard	0.01 s	Rust	2022-10-26 23:46:31
4	Sindbad Walter	0.01 s	Rust	2023-11-22 19:54:08
5	Bas Dirks	0.02 s	Rust	2022-04-14 11:49:44
6	Mathias	0.02 s	Rust	2022-06-21 20:48:34
7	gard heine kalland	0.02 s	Rust	2024-06-17 13:47:51
8	Louis Bouchard	0.02 s	Rust	2024-11-23 23:02:32

#	User	Length	Language	Date
1	Chenzhang Hu	1608	Bash	2024-04-17 18:45:07

#	User	Length	Language	Date
1	Lizhi Xiang	612	C	2015-10-06 20:46:23
2	Damien Lejosne	659	C	2024-11-06 19:29:06
3	Mirel Cosulschi	670	C	2024-11-14 21:33:48
4	Anthony Clark	686	C	2017-04-02 21:00:21
5	Bochuan Lu	741	C	2017-05-04 23:05:02
6	Ashwin Murali	747	C	2019-10-19 07:16:13
7	Tyler Jenkins	748	C	2019-10-19 17:09:50
8	Naveen Kumar S	799	C	2025-04-29 14:46:38
9	Tomáš Drtina	801	C	2015-10-03 20:13:05
10	Zhuowei Zhang	804	C	2015-10-03 19:12:32

#	User	Length	Language	Date
1	Marius Løkketangen	1074	C#	2017-03-24 14:31:30
2	Hallvard Braaten	1180	C#	2017-03-24 15:19:27
3	Robert Low	1568	C#	2016-08-12 15:28:43
4	Regine Gorges	1958	C#	2018-11-17 11:15:44
5	Rail Sabirov	2008	C#	2016-10-19 22:26:54
6	Akif Kamal	2214	C#	2015-10-04 07:32:47
7	Ilia Volkov	4087	C#	2016-09-18 14:46:53
8	Piotr Karpala	7781	C#	2015-10-04 19:33:56

#	User	Length	Language	Date
1	Ismail Alrifai	433	C++	2022-02-27 21:09:56
2	Manshant Singh Kohli	453	C++	2016-09-18 09:14:30
3	Yeung Man Tsung	483	C++	2022-06-21 15:39:31
4	Scott Shi	516	C++	2015-10-19 02:34:20
5	Kyle Yip	519	C++	2020-10-17 21:33:01
6	Modan Han	522	C++	2015-10-03 20:48:55
7	Taras Kolomatski	542	C++	2015-10-03 20:25:36
8	Tiancong Zhao	557	C++	2015-10-03 21:46:18
9	Georgi Dimitrov Georgiev	559	C++	2015-10-03 19:29:29
10	Carlos Wen	561	C++	2016-09-24 08:14:02

#	User	Length	Language	Date
1	Hidden user	760	Go	2022-06-22 14:56:05
2	Norbert Voelker	1482	Go	2021-08-22 20:53:01

#	User	Length	Language	Date
1	Hidden user	793	Haskell	2022-12-23 22:20:46
2	Steinar Simonnes	1105	Haskell	2024-07-28 21:37:21
3	Brent Yorgey	1674	Haskell	2018-06-15 17:36:27
4	Fumiaki Takagi	2468	Haskell	2023-01-27 09:27:11

#	User	Length	Language	Date
1	Brennan Cleland	773	Java	2023-05-05 18:56:41
2	Lucy Reynolds	793	Java	2015-10-11 20:44:05
3	Andreas Jansson	803	Java	2015-10-06 17:22:04
4	Ryan McKenna	823	Java	2015-10-03 19:56:49
5	Simon Boerwinkle	824	Java	2015-10-20 03:50:02
6	Benjamin Grimmer	831	Java	2015-10-03 18:53:27
7	Patesan Dejan	850	Java	2018-11-15 13:03:42
8	Clemens Ramm	855	Java	2018-11-17 14:56:05
9	Lukas Prasch	855	Java	2018-11-27 14:57:23
10	Xingfang Yuan	858	Java	2015-10-03 20:10:53

#	User	Length	Language	Date
1	Jimmy Gustafsson	187	JavaScript (SpiderMonkey)	2025-07-22 10:53:18
2	Christian Pilegaard Cederquist	409	JavaScript (SpiderMonkey)	2023-05-24 21:08:36
3	Bjørn Chr. Soltvedt	437	JavaScript (SpiderMonkey)	2016-08-10 01:35:45
4	Stian Surén	809	JavaScript (SpiderMonkey)	2017-04-19 10:56:50
5	Axel Nilsson	857	JavaScript (SpiderMonkey)	2017-06-29 11:29:20
6	Gabriel Lau	889	JavaScript (SpiderMonkey)	2016-03-30 04:58:37
7	Michael Laszlo	1096	JavaScript (SpiderMonkey)	2016-10-12 02:19:52
8	Mats Krüger Svensson	1186	JavaScript (SpiderMonkey)	2017-03-22 17:33:58

#	User	Length	Language	Date
1	Hidden user	338	Julia	2025-09-15 23:01:53
2	Gabriel Galvez	1154	Julia	2025-04-05 19:42:25
3	Timothy Gaede	1316	Julia	2024-06-17 08:43:18

#	User	Length	Language	Date
1	Adam Rankin	859	Kotlin	2023-09-03 17:32:25
2	Kyle Moran	1008	Kotlin	2021-10-19 19:26:21
3	Jacob Huebner	1220	Kotlin	2022-01-11 10:19:41
4	Jonathan Soo	4265	Kotlin	2020-03-19 10:08:57

#	User	Length	Language	Date
1	Andriy Zyevakov	2031	Prolog	2016-03-02 11:40:08

#	User	Length	Language	Date
1	Manshant Singh Kohli	358	Python 2	2016-09-03 08:45:09
2	Shuai He	369	Python 2	2015-10-03 19:33:37
3	Jesper Öqvist	373	Python 2	2019-03-01 00:52:30
4	Steven Timotius	379	Python 2	2015-10-03 20:28:01
5	Guixing Lin	396	Python 2	2015-10-03 20:37:24
6	Lars Åström	403	Python 2	2018-06-25 23:25:12
7	Johan Wind	404	Python 2	2018-03-20 03:45:50
8	Andreas Björklund	410	Python 2	2019-10-10 16:28:22
9	Sean Purcell	416	Python 2	2015-10-03 20:04:20
10	Christofer Ohlsson	459	Python 2	2015-10-14 11:32:26

#	User	Length	Language	Date
1	Edvard Walde Heimdal	166	Python 3	2024-08-30 12:40:29
2	Kylind Reagan	169	Python 3	2024-03-09 04:20:01
3	Alexandre Douard	170	Python 3	2023-12-23 17:50:18
4	Charles Ancheta	180	Python 3	2023-04-13 02:04:15
5	Ahmed Chamseddine	180	Python 3	2025-04-04 18:05:21
6	Peter Stauder	193	Python 3	2022-09-10 11:03:23
7	Tai Tze Kin	203	Python 3	2024-05-04 10:28:04
8	Lex Janssens	206	Python 3	2025-11-21 22:14:45
9	Yong Mao	212	Python 3	2023-05-19 04:35:48
10	Thomas Mailund	229	Python 3	2025-02-20 14:29:59

#	User	Length	Language	Date
1	Thomas Feld	122	Ruby	2023-08-09 10:43:05

#	User	Length	Language	Date
1	Ben Heard	749	Rust	2022-10-26 23:46:31
2	Bas Dirks	842	Rust	2022-04-14 11:49:44
3	Louis Bouchard	1170	Rust	2024-11-23 23:02:32
4	Sindbad Walter	1399	Rust	2023-11-22 19:54:08
5	Mathias	2517	Rust	2022-06-21 20:48:34
6	gard heine kalland	3327	Rust	2024-06-17 13:47:51
7	Muhammad Rais Fathin Mudzakir	4497	Rust	2021-06-06 11:14:05
8	Vincent Lagerros	66059	Rust	2025-08-09 19:00:43

Solution running time distribution