Problem K
Guess Who — Problem Statistics

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Submissions	876
Accepted submissions	518
Submission ratio	59.13%
Authors	490
Accepted authors	467
Author ratio	95.31%

#	User	Runtime	Language	Date
1	Martin Blom	0.00 s	C	2023-12-21 20:53:58
2	Hidden user	0.00 s	C	2024-01-26 16:04:56
3	daimiao chen	0.00 s	C	2024-03-16 21:39:08
4	Hidden user	0.00 s	C	2025-03-23 17:26:30
5	Hidden user	0.00 s	C	2025-06-03 21:49:13

#	User	Runtime	Language	Date
1	Gregory Sinclair	0.04 s	C#	2023-11-18 05:39:09
2	Esty Crow	0.04 s	C#	2024-04-19 16:56:09
3	Anthony Ye	0.04 s	C#	2024-04-26 21:05:37
4	traxex	0.04 s	C#	2024-05-15 13:56:30
5	Benjamin Bilbeau	0.05 s	C#	2023-12-12 20:28:58
6	Dennis Stegnell	0.05 s	C#	2025-03-06 09:37:02

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2023-11-09 00:24:48

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2023-11-04 21:11:29
2	Hidden user	0.00 s	Haskell	2023-11-05 23:55:34
3	Charley Sheaffer	0.01 s	Haskell	2023-11-06 15:11:45
4	Josip Smolcic	0.01 s	Haskell	2023-11-07 01:48:10
5	Steinar Simonnes	0.01 s	Haskell	2024-01-30 16:07:45
6	Rudy Matela	0.01 s	Haskell	2024-04-23 16:39:48
7	Sebastian Banert	0.01 s	Haskell	2024-06-21 19:36:52
8	Jan Hrček	0.01 s	Haskell	2024-12-15 09:03:02

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-05-12 17:20:52
2	Lee Heng Sheng	0.05 s	Java	2024-05-01 11:23:23
3	Tyler Xiao	0.05 s	Java	2024-11-04 00:16:17
4	Jerry Chen	0.05 s	Java	2024-11-09 22:42:03
5	Stela Palii	0.05 s	Java	2024-12-01 00:55:00
6	Sven Rönnbäck	0.06 s	Java	2023-11-09 19:05:47
7	Hidden user	0.06 s	Java	2023-11-12 04:22:56
8	Issa Issack	0.06 s	Java	2024-02-07 22:57:47
9	Sriniketh Vangaru	0.06 s	Java	2024-11-02 18:49:20
10	Nathaniel Lahn	0.06 s	Java	2025-02-27 00:36:27

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2025-01-26 05:22:27

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-16 17:39:01
2	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2025-02-05 22:42:07
3	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2023-11-05 17:40:00
4	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-11-05 18:38:50

#	User	Runtime	Language	Date
1	Timothy Gaede	0.64 s	Julia	2024-05-12 10:10:03

#	User	Runtime	Language	Date
1	Adam Rankin	0.21 s	Kotlin	2023-11-09 19:40:47
2	Martijn Muijsers	0.22 s	Kotlin	2024-05-31 11:51:50
3	Emil Wihlander	0.23 s	Kotlin	2024-07-19 11:53:57
4	Troy Warmboe	0.24 s	Kotlin	2023-12-21 23:05:14

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2023-11-14 22:59:59

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	Prolog	2024-03-07 08:31:32

#	User	Runtime	Language	Date
1	Petr	0.04 s	Python 3	2024-10-10 00:15:46
2	Rebecca Jackson	0.04 s	Python 3	2024-11-21 21:17:44
3	Simen Sørensen	0.04 s	Python 3	2024-12-03 11:50:56
4	Jiaming Kong	0.04 s	Python 3	2025-06-25 05:25:13
5	Ram Basnet	0.05 s	Python 3	2023-11-04 20:04:03
6	Yosuke Mizutani	0.05 s	Python 3	2023-11-06 02:19:42
7	Albert Pala	0.05 s	Python 3	2023-11-06 13:14:45
8	Mikael Fiala-Lundström	0.05 s	Python 3	2023-11-07 13:53:14
9	Nicholas Russell Saerang	0.05 s	Python 3	2023-11-10 14:58:03
10	Guillermo Hernández	0.05 s	Python 3	2023-12-30 23:18:27

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-11-07 13:11:08
2	Miorel Palii	0.06 s	Ruby	2024-11-24 23:55:28

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2023-11-09 12:00:35
2	Selim Yetkin	0.00 s	Rust	2023-11-24 18:12:38
3	Bas Dirks	0.00 s	Rust	2023-12-25 10:16:28
4	Frank Endriss	0.00 s	Rust	2024-06-01 12:56:29
5	Isak Jägberg	0.00 s	Rust	2024-10-19 02:15:57
6	Pankajkumar Patro	0.00 s	Rust	2024-11-17 01:04:14
7	Vincent Lagerros	0.00 s	Rust	2025-02-14 16:23:18

#	User	Length	Language	Date
1	Martin Blom	301	C	2023-12-21 21:00:08
2	Hidden user	844	C	2025-03-23 17:26:30
3	daimiao chen	1021	C	2024-03-16 21:39:08
4	Hidden user	1263	C	2024-01-26 16:04:56
5	Hidden user	1440	C	2025-06-03 21:49:13

#	User	Length	Language	Date
1	Gregory Sinclair	413	C#	2023-11-18 05:39:09
2	traxex	834	C#	2024-05-15 13:56:30
3	Esty Crow	1117	C#	2024-04-19 16:56:09
4	Anthony Ye	1161	C#	2024-04-26 21:05:37
5	Dennis Stegnell	1790	C#	2025-03-06 09:37:02
6	Benjamin Bilbeau	1825	C#	2023-12-12 20:28:58

#	User	Length	Language	Date
1	Ritul Kumar Singh	555	C++	2024-04-24 13:00:56
2	Grae Yeandle	578	C++	2023-11-16 14:58:09
3	Alex Rudzenis	591	C++	2024-09-25 20:11:14
4	Chakshan Kothakota	594	C++	2024-11-11 19:11:52
5	人外沙耶	631	C++	2023-11-22 22:16:57
6	Armen Andreasyan	632	C++	2023-11-12 20:46:09
7	Jacob Pfeifer	637	C++	2023-11-17 16:28:55
8	Nick Wu	651	C++	2023-11-05 05:34:34
9	Jesús Pacheco Alonso	653	C++	2024-01-10 20:58:39
10	Hidden user	661	C++	2024-02-10 21:29:44

#	User	Length	Language	Date
1	Norbert Voelker	1174	Go	2023-11-09 00:24:48

#	User	Length	Language	Date
1	Sebastian Banert	447	Haskell	2024-06-21 19:36:52
2	Charley Sheaffer	541	Haskell	2023-11-06 15:11:45
3	Hidden user	558	Haskell	2023-11-05 23:55:34
4	Josip Smolcic	569	Haskell	2023-11-07 01:48:10
5	Steinar Simonnes	836	Haskell	2024-01-30 16:07:45
6	Rudy Matela	1088	Haskell	2024-04-23 16:39:48
7	Jan Hrček	1121	Haskell	2024-12-15 09:03:02
8	Brent Yorgey	9312	Haskell	2023-11-04 21:11:29

#	User	Length	Language	Date
1	Mark van Helvoort	965	Java	2024-08-21 14:55:03
2	Leslie Yip	980	Java	2023-11-17 08:29:03
3	Raymond Arrington	1042	Java	2024-06-28 04:55:44
4	Terry Morris	1058	Java	2024-07-06 21:25:53
5	Mary Jane Pack	1141	Java	2023-12-20 23:56:16
6	Simon Baeckelant	1218	Java	2023-11-08 18:05:50
7	Meet Shekhada	1219	Java	2024-10-03 00:45:49
8	Liam Hoyle	1235	Java	2023-11-04 19:22:54
9	Tan Le	1240	Java	2024-03-16 19:20:35
10	Mykyta Shvets	1243	Java	2023-11-04 18:15:06

#	User	Length	Language	Date
1	Hidden user	1521	JavaScript (Node.js)	2025-01-26 05:22:27

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	258	JavaScript (SpiderMonkey)	2023-11-05 18:01:28
2	Jimmy Gustafsson	268	JavaScript (SpiderMonkey)	2024-06-16 17:39:01
3	Zach Tschetter	373	JavaScript (SpiderMonkey)	2025-02-05 22:42:07
4	Christian Cederquist	598	JavaScript (SpiderMonkey)	2023-11-05 18:38:50

#	User	Length	Language	Date
1	Timothy Gaede	1513	Julia	2024-05-12 10:10:03

#	User	Length	Language	Date
1	Emil Wihlander	572	Kotlin	2024-07-19 11:53:57
2	Martijn Muijsers	776	Kotlin	2024-05-31 11:51:50
3	Troy Warmboe	805	Kotlin	2023-12-21 23:05:14
4	Adam Rankin	820	Kotlin	2023-11-09 19:40:47

#	User	Length	Language	Date
1	Renate	746	PHP	2023-11-14 22:59:59

#	User	Length	Language	Date
1	Andriy Zyevakov	1631	Prolog	2024-03-07 08:31:32

#	User	Length	Language	Date
1	Casper Rysgaard	220	Python 3	2023-11-06 14:18:57
2	Guillermo Hernández	231	Python 3	2023-12-30 23:18:27
3	Lex Janssens	237	Python 3	2023-12-27 15:31:31
4	Farzam Abrishami	241	Python 3	2025-05-05 01:24:04
5	Teikn Smith	249	Python 3	2024-01-05 02:50:20
6	Eugin Pahk	258	Python 3	2023-11-08 21:35:00
7	Shashank Bhatt	271	Python 3	2023-11-05 02:30:28
8	Caeden Whitaker	274	Python 3	2024-01-09 21:27:41
9	Hidden user	279	Python 3	2024-05-09 11:27:42
10	Magnus Eide-Fredriksen	288	Python 3	2023-11-22 17:38:08

#	User	Length	Language	Date
1	Thomas Feld	117	Ruby	2023-11-07 13:13:20
2	Miorel Palii	337	Ruby	2024-11-24 23:55:28

#	User	Length	Language	Date
1	David Rasch	892	Rust	2023-11-09 12:00:35
2	Vincent Lagerros	917	Rust	2025-02-14 16:23:18
3	Pankajkumar Patro	1226	Rust	2024-11-17 01:04:14
4	Bas Dirks	1326	Rust	2023-12-25 10:16:28
5	Frank Endriss	1360	Rust	2024-06-01 12:56:29
6	Isak Jägberg	1464	Rust	2024-10-19 02:15:57
7	Selim Yetkin	1486	Rust	2023-11-24 18:12:38

Solution running time distribution