Problem A
Set! — Problem Statistics

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Submissions	2496
Accepted submissions	1095
Submission ratio	43.87%
Authors	1027
Full solves [?]	952
Full solve Ratio	92.70%

#	User	Runtime	Language	Date
1	Duelene Olson	0.02 s	C#	2016-07-21 04:14:16
2	Brandon Donham	0.02 s	C#	2016-10-18 15:36:15
3	Doug Goodman	0.02 s	C#	2018-05-04 23:53:02
4	Thomas Norris	0.02 s	C#	2019-10-22 20:42:20
5	Jörgen Forsberg	0.02 s	C#	2020-08-12 22:45:49
6	Ben-Richard Ebbesvik	0.02 s	C#	2022-03-02 19:30:45
7	Göran Andersson	0.02 s	C#	2022-05-18 13:23:52
8	Eric Weiss	0.02 s	C#	2022-08-29 18:44:11
9	Hidden user	0.02 s	C#	2022-09-02 13:24:21
10	Leslie Yip	0.02 s	C#	2022-09-02 14:34:16

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-11-01 19:26:51

#	User	Runtime	Language	Date
1	Magix	0.08 s	Go	2020-09-17 00:59:37
2	Norbert Voelker	0.08 s	Go	2021-04-26 18:22:11

#	User	Runtime	Language	Date
1	Jan Hlavacek	0.00 s	Haskell	2016-12-07 00:35:02
2	Matthew Johnson	0.00 s	Haskell	2017-01-06 07:38:18
3	Johan Meier	0.00 s	Haskell	2017-01-06 16:33:20
4	Brent Yorgey	0.00 s	Haskell	2017-10-14 06:17:14
5	Olle Eriksson	0.00 s	Haskell	2018-06-22 00:27:00
6	Mason Barnhill	0.00 s	Haskell	2023-07-28 23:10:09
7	Steinar Simonnes	0.00 s	Haskell	2024-02-07 10:57:52
8	Håkon Flatval	0.01 s	Haskell	2018-09-03 17:21:10
9	Hidden user	0.01 s	Haskell	2019-08-27 21:58:35
10	Intrets	0.01 s	Haskell	2019-08-28 14:49:56

#	User	Runtime	Language	Date
1	Micah Stairs	0.05 s	Java	2016-07-09 07:21:05
2	Kaitlyn Childers	0.05 s	Java	2016-10-02 22:18:25
3	Viraj Maddur	0.05 s	Java	2017-01-25 17:54:21
4	Shawn Hatchwell	0.05 s	Java	2017-01-26 16:48:47
5	Eimhin McDonald	0.05 s	Java	2017-11-15 18:35:48
6	Aron Bergman	0.05 s	Java	2017-11-23 14:38:28
7	James Black	0.05 s	Java	2018-08-19 23:44:23
8	Mathew Palm	0.05 s	Java	2018-09-16 21:01:04
9	Hidden user	0.05 s	Java	2018-09-30 11:51:08
10	José Vander Meulen	0.05 s	Java	2018-11-21 21:31:24

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.06 s	JavaScript (Node.js)	2019-05-26 19:12:57
2	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-16 16:27:09
3	Chris Wong	0.42 s	JavaScript (Node.js)	2021-03-09 23:06:52

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-07-09 16:19:06
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-27 03:14:07
3	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-09-08 14:54:06
4	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-10 21:09:32
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-14 21:04:42
6	Johannes Jensen	0.03 s	JavaScript (SpiderMonkey)	2020-12-04 15:03:52
7	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-24 10:59:20

#	User	Runtime	Language	Date
1	Timothy Gaede	0.91 s	Julia	2024-05-15 04:57:20

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2020-04-27 04:29:52
2	Johnny Baloney	0.17 s	Kotlin	2022-02-15 13:18:04
3	Torbjørn Tessem	0.17 s	Kotlin	2023-01-27 14:48:38
4	Sam Keyser	0.17 s	Kotlin	2023-04-12 17:56:15
5	Adam Rankin	0.18 s	Kotlin	2023-05-10 22:00:17
6	Neil Harmon	0.19 s	Kotlin	2019-05-14 11:30:12
7	Adam Koprowski	0.22 s	Kotlin	2020-11-14 18:16:20
8	Einar Kjellback	0.23 s	Kotlin	2019-12-14 16:55:09
9	Riccardo Azzolini	0.26 s	Kotlin	2024-05-24 18:31:07

#	User	Runtime	Language	Date
1	Sander de Haan	0.00 s	Lua	2025-05-08 16:32:40

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2017-07-09 13:05:15
2	Renate	0.01 s	PHP	2021-05-07 01:45:56
3	Connor Billings	0.01 s	PHP	2023-07-19 02:15:02

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-03-05 08:45:48

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.03 s	Python 2	2016-07-10 10:21:11
2	Vaibhav Tulsyan	0.03 s	Python 2	2016-11-30 22:24:40
3	Evan Shi	0.03 s	Python 2	2016-12-03 04:25:53
4	Erik Sillén	0.03 s	Python 2	2016-12-20 15:01:39
5	Collin Rapp	0.03 s	Python 2	2017-02-28 00:18:26
6	Muzakhir Amanzholov	0.03 s	Python 2	2017-03-01 04:12:15
7	Josenildo Silva	0.03 s	Python 2	2017-07-11 01:56:41
8	Çağdaş Öztekin	0.03 s	Python 2	2017-09-08 13:22:50
9	Andrei Stoica	0.03 s	Python 2	2017-11-29 16:59:01
10	Maksym Bendeberia	0.03 s	Python 2	2017-12-18 14:50:55

#	User	Runtime	Language	Date
1	Nathan Collins	0.02 s	Python 3	2016-07-18 18:57:33
2	Nicolas Marsceau	0.02 s	Python 3	2016-07-18 21:40:40
3	William Fiset	0.02 s	Python 3	2016-07-31 22:08:42
4	Michelle Sweering	0.02 s	Python 3	2016-08-02 17:32:02
5	Christian Lindeström	0.02 s	Python 3	2016-08-18 01:06:18
6	John William O'Rourke	0.02 s	Python 3	2016-10-03 00:01:53
7	Joshua Pan	0.02 s	Python 3	2016-10-23 20:27:15
8	Ian Yu	0.02 s	Python 3	2017-01-27 02:31:36
9	Minato Sky Myers	0.02 s	Python 3	2017-01-27 04:47:25
10	Rebecca Hale	0.02 s	Python 3	2017-01-27 18:46:06

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-08-19 12:03:02
2	Thomas Feld	0.06 s	Ruby	2023-05-23 11:41:42

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-11-18 23:47:20
2	Freek van Keulen	0.00 s	Rust	2021-07-28 20:59:04
3	Bas Dirks	0.00 s	Rust	2022-02-14 21:25:22
4	Artur Khuziakhmetov	0.00 s	Rust	2022-08-07 09:53:43
5	Isak Jägberg	0.00 s	Rust	2024-11-08 17:09:34
6	Vincent Lagerros	0.00 s	Rust	2025-06-09 00:45:59
7	Pankajkumar Patro	0.00 s	Rust	2025-06-19 23:13:07

#	User	Length	Language	Date
1	Hidden user	749	C	2017-11-19 02:39:15
2	Bai Yunwei	766	C	2018-04-12 09:51:39
3	Hidden user	809	C	2022-05-05 09:30:05
4	julie rose sakkour	814	C	2024-12-07 10:54:01
5	Director of Tutoring CougarCS	814	C	2025-02-09 05:44:38
6	Nathan Care	814	C	2025-02-13 17:47:28
7	Hidden user	844	C	2018-10-09 22:02:34
8	Jón Steinn Elíasson	848	C	2017-12-25 21:12:36
9	Priyadarshini Balaji	848	C	2020-12-31 04:16:50
10	Merzeau	848	C	2024-12-07 09:46:10

#	User	Length	Language	Date
1	Göran Andersson	975	C#	2022-05-18 13:23:52
2	Leslie Yip	1107	C#	2022-09-02 14:34:16
3	Doug Goodman	1208	C#	2018-05-04 23:53:02
4	RecompiledBirds	1222	C#	2025-09-23 20:45:40
5	Ben-Richard Ebbesvik	1438	C#	2022-03-02 19:30:45
6	Said Montaño	1742	C#	2025-03-17 23:07:41
7	Thomas Norris	1865	C#	2019-10-22 20:42:20
8	Jörgen Forsberg	2127	C#	2020-08-12 22:45:49
9	Eric Weiss	2718	C#	2022-08-29 18:44:11
10	Hidden user	2848	C#	2022-09-02 13:24:21

#	User	Length	Language	Date
1	Antonio Molina Lovett	485	C++	2016-08-11 10:59:17
2	Anna Roczek	555	C++	2023-08-20 15:43:33
3	Zane Yu	567	C++	2019-01-13 10:33:03
4	William Gan	571	C++	2018-03-10 12:19:15
5	Armen Andreasyan	574	C++	2019-02-01 12:10:56
6	Yeung Man Tsung	580	C++	2022-11-23 13:35:11
7	Nguyễn Công Cường	585	C++	2019-08-21 10:25:48
8	Hidden user	586	C++	2018-10-17 15:42:12
9	Nguyễn Trọng Nghĩa	599	C++	2019-08-21 11:21:06
10	Grae Yeandle	605	C++	2016-11-28 15:57:35

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1121	F#	2022-11-01 19:26:51

#	User	Length	Language	Date
1	Norbert Voelker	1670	Go	2021-04-26 18:22:11
2	Magix	1915	Go	2020-09-17 00:59:37

#	User	Length	Language	Date
1	Johan Meier	620	Haskell	2017-01-06 16:33:20
2	Hidden user	627	Haskell	2019-08-27 21:58:35
3	Matthew Johnson	667	Haskell	2017-01-06 07:38:18
4	Mason Barnhill	677	Haskell	2023-07-28 23:10:09
5	Olle Eriksson	690	Haskell	2018-06-22 00:27:00
6	Steinar Simonnes	764	Haskell	2024-02-07 10:57:52
7	Jan Hrček	781	Haskell	2021-03-13 12:30:57
8	Håkon Flatval	834	Haskell	2018-09-03 17:21:10
9	Brent Yorgey	922	Haskell	2017-10-14 06:17:14
10	Jan Hlavacek	1138	Haskell	2016-12-07 00:35:02

#	User	Length	Language	Date
1	Adam Abdalla	726	Java	2017-01-27 21:34:13
2	Doug Goodman	810	Java	2018-04-26 20:34:44
3	Mitch Price	854	Java	2016-10-02 21:31:32
4	Matthew Garrison	932	Java	2017-06-04 13:50:23
5	Stephen Atwood	958	Java	2016-10-02 21:33:48
6	Hidden user	1005	Java	2020-08-07 22:40:31
7	Alexandros Antonorsi	1020	Java	2017-01-27 21:27:13
8	Kyle Workman	1043	Java	2018-10-22 22:36:42
9	Hidden user	1060	Java	2018-12-25 00:30:31
10	Calvin Godfrey	1082	Java	2020-01-14 21:24:49

#	User	Length	Language	Date
1	Andoko Chandra	1927	JavaScript (Node.js)	2020-10-16 16:27:09
2	Gurpartap Singh Bhatti	2109	JavaScript (Node.js)	2019-05-26 19:22:06
3	Chris Wong	2344	JavaScript (Node.js)	2021-03-09 23:06:52

#	User	Length	Language	Date
1	Jimmy Gustafsson	314	JavaScript (SpiderMonkey)	2024-08-14 21:04:42
2	Zach Tschetter	608	JavaScript (SpiderMonkey)	2023-06-10 21:16:15
3	Christian Pilegaard Cederquist	844	JavaScript (SpiderMonkey)	2023-01-24 10:59:20
4	Johannes Jensen	855	JavaScript (SpiderMonkey)	2020-12-04 15:03:52
5	Peter Kedemo	861	JavaScript (SpiderMonkey)	2016-07-09 16:19:06
6	Peter Menyes	944	JavaScript (SpiderMonkey)	2021-09-08 14:54:06
7	Bjørn Chr. Soltvedt	1673	JavaScript (SpiderMonkey)	2016-07-27 03:14:07

#	User	Length	Language	Date
1	Timothy Gaede	1752	Julia	2024-05-15 04:57:20

#	User	Length	Language	Date
1	Adam Koprowski	745	Kotlin	2020-11-14 18:16:20
2	Einar Kjellback	820	Kotlin	2019-12-14 16:55:09
3	Torbjørn Tessem	999	Kotlin	2023-01-27 14:48:38
4	Jacob Huebner	1048	Kotlin	2020-04-27 04:29:52
5	Johnny Baloney	1117	Kotlin	2022-02-15 13:18:04
6	Riccardo Azzolini	1119	Kotlin	2024-05-24 18:31:07
7	Adam Rankin	1170	Kotlin	2023-05-10 22:00:17
8	Sam Keyser	1371	Kotlin	2023-04-12 17:56:15
9	Neil Harmon	1727	Kotlin	2019-05-14 11:30:12

#	User	Length	Language	Date
1	Sander de Haan	1166	Lua	2025-05-08 16:32:40

#	User	Length	Language	Date
1	Renate	1455	PHP	2021-05-07 01:45:56
2	Connor Billings	1471	PHP	2023-07-19 02:15:02
3	Silvena Lam	1522	PHP	2017-07-09 13:05:15

#	User	Length	Language	Date
1	Hakan Kjellerstrand	650	Prolog	2023-03-05 08:45:48

#	User	Length	Language	Date
1	Thomas Feld	287	Python 2	2019-09-04 12:37:05
2	Vaibhav Tulsyan	447	Python 2	2016-11-30 22:24:40
3	Andreas Björklund	489	Python 2	2021-04-01 15:22:18
4	Muzakhir Amanzholov	564	Python 2	2017-03-01 04:12:15
5	Andrei Stoica	564	Python 2	2017-11-29 17:01:53
6	Jesper Öqvist	567	Python 2	2018-10-21 11:14:30
7	Christofer Ohlsson	576	Python 2	2016-07-10 10:21:11
8	Johan Lyts	579	Python 2	2019-08-07 13:46:53
9	Maksym Bendeberia	633	Python 2	2017-12-18 14:50:55
10	Maj Stenmark	636	Python 2	2019-10-09 00:05:07

#	User	Length	Language	Date
1	Benjamin Z White	184	Python 3	2023-04-06 22:33:59
2	Greg Gorlen	238	Python 3	2023-05-30 07:43:33
3	Yong Mao	264	Python 3	2023-07-02 23:39:08
4	Marcus Xu	276	Python 3	2021-12-21 12:15:37
5	Ahmed Chamseddine	299	Python 3	2024-08-13 11:56:45
6	Tai Tze Kin	301	Python 3	2024-05-06 19:23:54
7	Si Jie Tan	314	Python 3	2026-01-14 10:01:56
8	a_b__c	326	Python 3	2021-03-13 16:08:01
9	Vedran Čačić	341	Python 3	2019-02-16 21:05:05
10	Brandon Foong	364	Python 3	2023-03-03 19:35:11

#	User	Length	Language	Date
1	Thomas Feld	131	Ruby	2023-05-23 11:44:25
2	Kok Dith	1000	Ruby	2021-08-19 12:03:02

#	User	Length	Language	Date
1	Artur Khuziakhmetov	802	Rust	2022-08-07 09:53:43
2	Vincent Lagerros	864	Rust	2025-06-09 00:45:59
3	Pankajkumar Patro	964	Rust	2025-06-19 23:13:07
4	Bas Dirks	1043	Rust	2022-02-14 21:25:22
5	Freek van Keulen	1171	Rust	2021-07-28 20:59:04
6	Pahlevi Fikri Auliya	2517	Rust	2020-11-18 23:47:20
7	Isak Jägberg	3816	Rust	2024-11-08 17:09:34

Solution running time distribution