Problem F
Beat the Spread! — Problem Statistics

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Submissions	6181
Accepted submissions	2164
Submission ratio	35.01%
Authors	2015
Full solves [?]	1797
Full solve Ratio	89.18%

#	User	Runtime	Language	Date
1	Joe Amenta	0.01 s	C#	2016-04-10 01:29:30
2	masosz	0.02 s	C#	2015-02-09 19:01:16
3	Teudis Naranjo Ortiz	0.02 s	C#	2015-02-21 15:33:30
4	Charlie Forsberg Hedberg	0.02 s	C#	2015-07-07 14:57:31
5	Mads Storm Hansen	0.02 s	C#	2015-07-17 19:33:28
6	Bas te Kolste	0.02 s	C#	2015-07-22 16:23:35
7	Hidden user	0.02 s	C#	2015-09-23 23:26:28
8	Oliver Linnarsson	0.02 s	C#	2016-01-27 16:24:11
9	Robert Low	0.02 s	C#	2016-08-11 21:31:47
10	Ugnius Skučas	0.02 s	C#	2016-10-13 13:36:19

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2023-01-10 20:01:12

#	User	Runtime	Language	Date
1	Arne Philipeit	0.01 s	Go	2019-01-16 03:16:21
2	Ian Howell	0.02 s	Go	2019-11-04 23:30:13
3	Norbert Voelker	0.02 s	Go	2021-07-12 12:41:56
4	Krzysztof Gibuła	0.07 s	Go	2021-07-04 15:04:12
5	Christian Lindeström	0.08 s	Go	2016-09-22 05:01:07
6	Jonas Hedin	0.09 s	Go	2015-02-27 23:50:36

#	User	Runtime	Language	Date
1	Johan Lindkvist	0.05 s	Java	2015-06-09 17:55:18
2	Dexter Gramfors	0.05 s	Java	2015-09-23 17:11:28
3	Ludvig Jansson	0.05 s	Java	2015-09-24 09:04:06
4	Fredrik Sommar	0.05 s	Java	2015-09-24 23:56:48
5	Hidden user	0.05 s	Java	2015-09-26 13:17:14
6	Dennis Ang	0.05 s	Java	2015-10-05 10:37:27
7	Eskil Jarlskog	0.05 s	Java	2016-01-24 12:07:16
8	Martijn Muijsers	0.05 s	Java	2016-10-10 21:50:30
9	Liam Keliher	0.05 s	Java	2017-03-20 20:44:18
10	Mehdi Ichou	0.05 s	Java	2017-04-07 05:11:55

#	User	Runtime	Language	Date
1	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-29 05:14:13
2	Daniel Cabral	0.42 s	JavaScript (Node.js)	2020-03-27 13:34:11
3	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-09-12 10:08:21

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-26 11:27:42
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-04-11 18:18:33
3	Frédéric Morel	0.01 s	JavaScript (SpiderMonkey)	2016-10-14 01:53:13
4	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-11-01 00:58:13
5	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-19 18:27:19
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-22 00:18:07

#	User	Runtime	Language	Date
1	Timothy Gaede	0.55 s	Julia	2024-05-10 08:33:52

#	User	Runtime	Language	Date
1	Ashish Singh	0.13 s	Kotlin	2023-01-28 10:25:10
2	Johnny Baloney	0.14 s	Kotlin	2021-12-02 17:01:39
3	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-28 15:32:45
4	Phường Lên	0.19 s	Kotlin	2019-10-27 03:35:56
5	Robert M	0.19 s	Kotlin	2022-10-11 21:50:58
6	Adam Rankin	0.19 s	Kotlin	2023-05-01 05:42:43
7	Ravisai Tiruvuri	0.19 s	Kotlin	2024-03-22 06:43:32
8	Neil Harmon	0.20 s	Kotlin	2019-09-04 09:43:03
9	Garrison Hatcher	0.21 s	Kotlin	2019-11-10 04:51:12
10	Nicholas Johnson	0.23 s	Kotlin	2020-01-30 20:09:14

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2024-08-28 20:52:02
2	Rohan	0.00 s	Lua	2025-05-04 16:05:16

#	User	Runtime	Language	Date
1	Ayoub Meskour	0.00 s	Objective-C	2016-06-16 08:34:04
2	William Fiset	0.03 s	Objective-C	2016-07-01 04:19:26

#	User	Runtime	Language	Date
1	Shang-En Huang	0.00 s	OCaml	2022-11-10 17:26:35

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-09-21 17:47:47
2	余恩樂4B28 Yu Yan Lok	0.00 s	Pascal	2020-03-01 16:55:33
3	陳昱諺4B01 Chan Cory Yuk Yin	0.00 s	Pascal	2020-03-01 16:59:26

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2016-03-09 16:59:36

#	User	Runtime	Language	Date
1	Justin Su	0.02 s	Python 2	2017-10-06 02:54:12
2	Andrei Stoica	0.02 s	Python 2	2017-10-17 15:25:34
3	Landon Marshall	0.02 s	Python 2	2017-11-07 01:42:21
4	Daniel Palmqvist	0.03 s	Python 2	2015-01-05 13:38:29
5	Paulo Bu	0.03 s	Python 2	2015-02-07 18:52:27
6	Hidden user	0.03 s	Python 2	2015-02-27 16:02:46
7	Christofer Ohlsson	0.03 s	Python 2	2015-03-29 12:00:19
8	Erik Odenman	0.03 s	Python 2	2015-05-10 21:46:20
9	Fredrik Carlsen	0.03 s	Python 2	2015-07-10 21:12:13
10	Quan Huynh	0.03 s	Python 2	2015-09-10 12:39:17

#	User	Runtime	Language	Date
1	Mikael Florén	0.02 s	Python 3	2014-09-29 13:58:06
2	Hidden user	0.02 s	Python 3	2014-11-21 22:31:06
3	Hlynur “Glitch” Óskar Guðmundsson	0.02 s	Python 3	2015-03-04 21:11:45
4	Martin Stensgård	0.02 s	Python 3	2015-03-14 02:06:13
5	Nils Gustafsson	0.02 s	Python 3	2015-04-09 22:51:56
6	Brian Harrington	0.02 s	Python 3	2015-04-19 03:42:56
7	James Elías Sigurðarson	0.02 s	Python 3	2015-06-02 15:18:11
8	Johannes Agestam	0.02 s	Python 3	2015-06-15 17:01:30
9	Fredrik Carlsen	0.02 s	Python 3	2015-07-10 21:12:02
10	Hidden user	0.02 s	Python 3	2015-08-30 23:17:05

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-01-09 16:57:59
2	Gerry Hall	0.03 s	Ruby	2016-03-16 06:46:11
3	Hidden user	0.03 s	Ruby	2017-10-18 01:17:41
4	Hidden user	0.05 s	Ruby	2021-08-11 14:37:23
5	Thomas Feld	0.06 s	Ruby	2023-02-09 14:26:17
6	Russell Ng	0.06 s	Ruby	2025-06-06 21:38:45

#	User	Length	Language	Date
1	Nagata Parama Aptana	241	C	2021-02-10 08:39:39
2	Phan Ngoc Lan	258	C	2016-09-06 09:08:15
3	Ghita Benboubker	258	C	2016-12-27 00:31:24
4	Hidden user	303	C	2024-03-24 13:54:47
5	Mohamed Dhik	309	C	2020-09-28 15:45:41
6	Abdou Rayes	313	C	2020-09-28 16:23:03
7	Hidden user	313	C	2020-12-26 08:03:45
8	andromeda378	313	C	2023-11-11 13:21:16
9	Amy Hsiao	315	C	2017-08-11 14:17:16
10	Simon Buan	317	C	2020-03-29 21:31:35

#	User	Length	Language	Date
1	traxex	385	C#	2024-05-06 18:22:59
2	Danil Danilchenko	674	C#	2020-03-19 20:25:28
3	Volodymyr Besida	674	C#	2020-03-19 20:47:57
4	Bas te Kolste	677	C#	2015-07-22 16:23:35
5	Robert Low	695	C#	2016-08-11 21:31:47
6	Oliver Linnarsson	705	C#	2016-01-27 16:24:11
7	Firas Al Omary	836	C#	2017-03-30 14:02:20
8	Michael Damsgaard	848	C#	2024-12-31 14:43:22
9	Jens Lindahl	906	C#	2022-03-11 10:13:42
10	Teudis Naranjo Ortiz	907	C#	2015-02-21 15:33:30

#	User	Length	Language	Date
1	Herman Karlsson	217	C++	2015-02-12 21:10:55
2	Anna Roczek	220	C++	2023-07-11 14:00:27
3	Way Tan	221	C++	2018-12-05 19:58:56
4	黃浚瑜	233	C++	2022-02-03 03:35:31
5	Johan Wind	235	C++	2014-09-30 19:52:11
6	William Gan	237	C++	2017-02-17 11:49:43
7	Markus Mathiasen	238	C++	2021-07-03 10:47:48
8	Dhipta Raditya	239	C++	2016-02-04 04:37:20
9	Syx Pek	244	C++	2016-01-17 18:44:02
10	Nguyen Phuoc Bao Hoang	247	C++	2016-03-26 16:37:47

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	584	F#	2023-01-10 20:01:12

#	User	Length	Language	Date
1	Christian Lindeström	253	Go	2016-09-22 05:01:07
2	Jonas Hedin	308	Go	2015-02-27 23:50:36
3	Arne Philipeit	324	Go	2019-01-16 03:16:21
4	Ian Howell	329	Go	2019-11-04 23:30:13
5	Krzysztof Gibuła	605	Go	2021-07-04 15:04:12
6	Norbert Voelker	711	Go	2021-07-12 12:41:56

#	User	Length	Language	Date
1	Zach Tschetter	310	Haskell	2020-10-03 05:27:18
2	Li Jun	325	Haskell	2023-06-27 19:08:38
3	Hidden user	390	Haskell	2014-12-15 14:32:18
4	Brent Yorgey	398	Haskell	2017-11-14 07:21:42
5	Agus Sentosa Hermawan	399	Haskell	2021-11-25 17:47:02
6	Matthew Gvasalia	484	Haskell	2023-08-04 17:33:17
7	Vicky Nguyen	555	Haskell	2022-10-16 02:56:18
8	Jan Hrček	584	Haskell	2021-04-01 13:57:08
9	Esther Chong	588	Haskell	2019-09-11 11:31:30
10	Aurélien Pepin	620	Haskell	2019-09-20 12:12:36

#	User	Length	Language	Date
1	Orio Wu	381	Java	2015-10-14 10:24:30
2	Zimu Qin	394	Java	2015-07-16 12:45:25
3	Hoàng Minh	409	Java	2017-10-06 01:25:56
4	Khin Nyunt	413	Java	2017-11-07 08:11:46
5	Doug Goodman	424	Java	2017-09-04 20:03:06
6	Drew Hoover	425	Java	2015-10-03 00:05:12
7	Søren Baadsgaard	432	Java	2016-10-13 08:33:07
8	Sebastian Secelean	434	Java	2016-11-15 15:53:34
9	Patrik Hörnqvist	436	Java	2015-09-24 01:36:15
10	Ethan James	441	Java	2019-09-24 05:26:14

#	User	Length	Language	Date
1	Sander Hellesø	820	JavaScript (Node.js)	2019-04-29 05:14:13
2	Khin Nyunt	844	JavaScript (Node.js)	2021-09-12 10:08:21
3	Daniel Cabral	1079	JavaScript (Node.js)	2020-03-27 13:34:11

#	User	Length	Language	Date
1	Jimmy Gustafsson	105	JavaScript (SpiderMonkey)	2025-07-22 00:18:07
2	Peter Kedemo	264	JavaScript (SpiderMonkey)	2016-04-11 18:18:33
3	Tor Nordqvist	285	JavaScript (SpiderMonkey)	2016-11-01 00:58:13
4	Bjørn Chr. Soltvedt	355	JavaScript (SpiderMonkey)	2016-01-26 11:27:42
5	Christian Cederquist	395	JavaScript (SpiderMonkey)	2023-03-19 18:27:19
6	Frédéric Morel	515	JavaScript (SpiderMonkey)	2016-10-14 01:53:13

#	User	Length	Language	Date
1	Timothy Gaede	809	Julia	2024-05-10 08:33:52

#	User	Length	Language	Date
1	Stephen Atwood	320	Kotlin	2024-09-12 00:18:53
2	Robert M	383	Kotlin	2022-10-11 21:50:58
3	Dayan Ruben Gonzalez	429	Kotlin	2020-09-28 15:32:45
4	Phường Lên	450	Kotlin	2019-10-27 03:35:56
5	Nicholas Johnson	466	Kotlin	2020-01-30 20:09:14
6	Garrison Hatcher	490	Kotlin	2019-11-10 04:51:12
7	Ashish Singh	601	Kotlin	2023-01-28 10:25:10
8	Adam Rankin	607	Kotlin	2023-05-01 05:42:43
9	Johnny Baloney	795	Kotlin	2021-12-02 17:04:37
10	Neil Harmon	835	Kotlin	2019-09-04 09:43:03

#	User	Length	Language	Date
1	Zeheng Li	184	Lua	2024-08-28 20:52:02
2	Rohan	228	Lua	2025-05-04 16:05:16

#	User	Length	Language	Date
1	William Fiset	648	Objective-C	2016-07-01 04:19:26
2	Ayoub Meskour	774	Objective-C	2016-06-16 08:34:04

#	User	Length	Language	Date
1	Shang-En Huang	766	OCaml	2022-11-10 17:26:35

#	User	Length	Language	Date
1	余恩樂4B28 Yu Yan Lok	308	Pascal	2020-03-01 17:05:25
2	陳昱諺4B01 Chan Cory Yuk Yin	312	Pascal	2020-03-01 16:59:26
3	Ingemar Ragnemalm	370	Pascal	2018-09-21 17:47:47

#	User	Length	Language	Date
1	Andriy Zyevakov	734	Prolog	2016-03-09 16:59:36

#	User	Length	Language	Date
1	Thomas Feld	160	Python 2	2019-09-05 15:29:48
2	Lars Åström	161	Python 2	2018-11-02 23:35:43
3	Haggai Liu	168	Python 2	2017-04-22 10:06:33
4	Erik Odenman	182	Python 2	2015-05-10 21:46:20
5	Hidden user	186	Python 2	2015-02-27 16:02:46
6	Brian Bauman	192	Python 2	2016-01-22 23:52:05
7	Jesper Öqvist	192	Python 2	2018-10-30 11:01:00
8	Andreas Björklund	195	Python 2	2019-12-15 16:56:35
9	Johan Lyts	200	Python 2	2019-08-02 14:20:13
10	Arjit Srivastava	204	Python 2	2016-04-22 18:15:13

#	User	Length	Language	Date
1	Ahmed Chamseddine	131	Python 3	2024-08-15 17:16:34
2	Lee Isaac	137	Python 3	2022-12-30 18:55:50
3	Tam Keng Hong	140	Python 3	2024-04-17 21:02:51
4	Christian Lindeström	145	Python 3	2016-09-22 03:35:20
5	Nicholas Russell Saerang	147	Python 3	2023-07-23 15:29:40
6	Clement Oh	152	Python 3	2023-11-15 09:19:52
7	Tai Tze Kin	154	Python 3	2024-05-08 08:55:43
8	Thibault Raffaillac	155	Python 3	2020-01-29 09:06:09
9	Brandon Zhang	156	Python 3	2020-05-03 21:15:49
10	Christian Blumenthal	162	Python 3	2020-08-04 02:13:07

#	User	Length	Language	Date
1	Thomas Feld	85	Ruby	2023-02-09 14:26:17
2	Russell Ng	89	Ruby	2025-06-06 21:52:44
3	Hidden user	121	Ruby	2021-08-11 14:37:23
4	Hidden user	232	Ruby	2017-10-18 01:17:41
5	Casper Christensen	310	Ruby	2016-01-09 16:57:59
6	Gerry Hall	422	Ruby	2016-03-16 06:26:16

#	User	Length	Language	Date
1	Shivam Thakur	544	Rust	2019-06-28 13:05:23
2	Vincent Lagerros	596	Rust	2025-06-12 01:11:08
3	Petr Sabel	657	Rust	2023-09-21 13:29:12
4	Chun Mun Soon	758	Rust	2021-07-25 07:53:02
5	Bas Dirks	759	Rust	2022-01-18 15:26:44
6	David Rasch	884	Rust	2022-10-03 16:43:39
7	Ishtiaq Hussain Naqi	928	Rust	2023-08-29 11:20:42
8	jaswanth	1266	Rust	2024-03-16 11:30:44
9	Pahlevi Fikri Auliya	2012	Rust	2020-10-17 18:15:15
10	Isak Jägberg	2050	Rust	2020-08-08 13:47:41

Solution running time distribution