Problem D
Keylogger — Problem Statistics

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Submissions	3058
Accepted submissions	2474
Submission ratio	80.90%
Authors	908
Accepted authors	884
Author ratio	97.36%

#	User	Score	Language	Date
1	Danny Robinson	100	Bash	2023-09-09 23:09:16

#	User	Score	Language	Date
1	Mikael K Eriksson	100	C	2021-08-26 13:49:45
2	Sardar Mazyar Daryaee	100	C	2022-08-09 19:38:27
3	Hidden user	100	C	2025-04-21 15:24:32
4	Pallavi Sowl	100	C	2022-03-12 11:43:58
5	Olav Johannessen	100	C	2025-05-10 10:19:20
6	Naveen Kumar S	100	C	2025-05-18 15:29:03
7	Bergur Snorrason	100	C	2021-08-24 16:14:34
8	Simon Andersson	50	C	2022-12-11 11:56:42
9	Eric Thorburn	20	C	2025-02-14 20:42:05
10	Jonatan Altebro	20	C	2025-04-01 15:41:15

#	User	Score	Language	Date
1	Jacob Harris Cryer Kragh	100	F#	2023-01-20 00:38:27
2	Jesper Bengtson	100	F#	2021-09-10 16:57:17

#	User	Score	Language	Date
1	Hidden user	100	Go	2025-03-12 22:12:50
2	Faizan Khalid	100	Go	2022-10-15 17:51:34
3	Norbert Voelker	100	Go	2021-08-19 21:16:21
4	Alexander Jacobsen	100	Go	2021-09-10 17:39:51
5	Hidden user	20	Go	2021-09-10 17:36:49
6	Ramon Rodrigues	20	Go	2021-12-29 06:10:45
7	Nadja Brix Koch	20	Go	2021-09-10 17:33:30
8	Sergey Jakobsen	20	Go	2022-01-06 16:48:05

#	User	Score	Language	Date
1	Hidden user	100	Haskell	2022-04-16 00:35:49
2	Steinar Simonnes	100	Haskell	2024-02-07 11:21:44
3	Brent Yorgey	100	Haskell	2021-08-21 03:15:58
4	Hidden user	100	Haskell	2021-11-08 10:37:17
5	Hidden user	100	Haskell	2023-01-10 16:11:46
6	Ulrik Hansen	100	Haskell	2023-01-19 15:22:23

#	User	Score	Language	Date
1	Samuel Högfeldt	100	JavaScript (Node.js)	2022-06-20 18:26:01
2	Ankit Agrawal	100	JavaScript (Node.js)	2022-09-25 08:49:25

#	User	Score	Language	Date
1	Christian Cederquist	100	JavaScript (SpiderMonkey)	2023-01-13 21:54:18
2	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2021-08-24 16:34:58

#	User	Score	Language	Date
1	Anshuman Gaurav	20	Julia	2023-05-21 06:42:16
2	Timothy Gaede	20	Julia	2024-04-19 07:58:39

#	User	Score	Language	Date
1	Sam Keyser	100	Kotlin	2022-11-04 23:38:26
2	Adam Rankin	100	Kotlin	2023-05-09 18:21:07
3	Jacob Huebner	100	Kotlin	2022-11-04 23:20:19
4	Zaw Myat	20	Kotlin	2024-03-18 15:13:36

#	User	Score	Language	Date
1	Ingemar Ragnemalm	100	Pascal	2022-05-02 20:36:39
2	David Connolly	100	Pascal	2022-04-13 13:23:08

#	User	Score	Language	Date
1	Andriy Zyevakov	100	Prolog	2023-02-11 22:56:37
2	Hakan Kjellerstrand	20	Prolog	2023-02-11 20:23:19

#	User	Score	Language	Date
1	Yanmarshus Bachtiar	100	Python 2	2021-11-10 13:33:06
2	Gibransyah	100	Python 2	2022-03-28 09:25:18
3	Andreas Björklund	100	Python 2	2021-12-28 18:09:13
4	Fredrik Horn Dannert	20	Python 2	2021-03-06 14:56:48

#	User	Score	Language	Date
1	Jared Mulder	100	Ruby	2024-11-12 16:13:44
2	Andreas Severin Hauch Trøstrup	100	Ruby	2023-10-01 17:31:11
3	Kok Dith	100	Ruby	2021-08-27 10:54:01
4	Régis Hanol	100	Ruby	2022-01-03 16:23:43

#	User	Score	Language	Date
1	Philippe C. Léger	100	TypeScript	2024-09-29 04:26:47

#	User	Score	Language	Date
1	Arthur Dent	100	Zig	2024-05-07 15:21:09

#	User	Runtime	Language	Date
1	Danny Robinson	0.09 s	Bash	2023-09-09 23:09:16

#	User	Runtime	Language	Date
1	Mikael K Eriksson	0.01 s	C	2021-08-26 13:49:45
2	Sardar Mazyar Daryaee	0.01 s	C	2022-08-09 19:38:27
3	Hidden user	0.01 s	C	2025-04-21 15:24:32
4	Pallavi Sowl	0.02 s	C	2022-03-12 11:43:58
5	Olav Johannessen	0.02 s	C	2025-05-10 10:19:20
6	Naveen Kumar S	0.02 s	C	2025-05-18 15:29:03
7	Bergur Snorrason	0.06 s	C	2021-08-24 16:14:34

#	User	Runtime	Language	Date
1	Nils Nyman	0.07 s	C#	2022-05-12 09:09:40
2	Rickard Bemm	0.07 s	C#	2022-09-03 22:37:38
3	Erik van Holland	0.07 s	C#	2023-09-11 21:28:10
4	traxex	0.07 s	C#	2024-05-26 09:39:43
5	Pontus Lindell	0.08 s	C#	2025-01-16 14:55:34
6	niggaslayer	0.08 s	C#	2025-04-02 14:10:41
7	Umar Rasyid	0.08 s	C#	2025-06-01 22:37:32
8	Mikael Fiala-Lundström	0.10 s	C#	2021-10-01 01:20:57
9	Göran Andersson	0.10 s	C#	2022-05-27 13:35:29
10	Johan Hamredahl	0.18 s	C#	2025-03-18 13:11:03

#	User	Runtime	Language	Date
1	Agis Daniels	0.00 s	C++	2022-01-06 23:02:30
2	Isaac Arvestad	0.01 s	C++	2021-03-06 14:27:52
3	Victor Vatn	0.01 s	C++	2021-03-06 14:28:14
4	Mattis Lööv	0.01 s	C++	2021-03-06 14:38:05
5	Niklas Vatn	0.01 s	C++	2021-03-06 15:22:36
6	Eyleifur Bjarkason	0.01 s	C++	2021-08-19 22:40:47
7	Harrison Shen	0.01 s	C++	2021-08-23 00:36:49
8	Hidden user	0.01 s	C++	2021-08-29 10:24:39
9	Bay Wei Heng	0.01 s	C++	2021-09-04 11:58:09
10	Grae Yeandle	0.01 s	C++	2021-09-06 19:37:46

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.14 s	F#	2023-01-20 00:38:27
2	Jesper Bengtson	0.34 s	F#	2021-09-10 16:57:17

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Go	2025-03-12 22:12:50
2	Faizan Khalid	0.03 s	Go	2022-10-15 17:51:34
3	Norbert Voelker	0.09 s	Go	2021-08-19 21:16:21
4	Alexander Jacobsen	0.29 s	Go	2021-09-10 17:39:51

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Haskell	2022-04-16 00:35:49
2	Steinar Simonnes	0.04 s	Haskell	2024-02-07 11:21:44
3	Brent Yorgey	0.07 s	Haskell	2021-08-21 03:15:58
4	Hidden user	0.09 s	Haskell	2021-11-08 10:37:17
5	Hidden user	0.14 s	Haskell	2023-01-10 16:11:46
6	Ulrik Hansen	0.16 s	Haskell	2023-01-19 15:22:23

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.08 s	Java	2021-12-28 10:11:23
2	Asmus Tørsleff	0.13 s	Java	2021-09-10 21:54:58
3	Crystal Sharpe	0.14 s	Java	2021-08-24 02:39:23
4	Luke Eales	0.14 s	Java	2024-06-12 17:52:29
5	Axel Nilsson	0.14 s	Java	2024-06-12 18:19:22
6	Liam Keliher	0.15 s	Java	2022-04-24 04:06:43
7	Frederik Petersen	0.16 s	Java	2021-09-20 14:03:14
8	Issa Issack	0.16 s	Java	2024-07-09 05:08:11
9	Ryan Tan	0.17 s	Java	2022-01-18 04:46:49
10	Alexander Giroux	0.17 s	Java	2022-05-26 01:58:22

#	User	Runtime	Language	Date
1	Samuel Högfeldt	0.16 s	JavaScript (Node.js)	2022-06-20 18:26:01
2	Ankit Agrawal	0.30 s	JavaScript (Node.js)	2022-09-25 08:49:25

#	User	Runtime	Language	Date
1	Christian Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-01-13 21:54:18
2	Bjørn Chr. Soltvedt	0.07 s	JavaScript (SpiderMonkey)	2021-08-24 16:34:58

#	User	Runtime	Language	Date
1	Sam Keyser	0.26 s	Kotlin	2022-11-04 23:38:26
2	Adam Rankin	0.31 s	Kotlin	2023-05-09 18:21:07
3	Jacob Huebner	0.33 s	Kotlin	2022-11-04 23:20:19

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.03 s	Pascal	2022-05-02 20:36:39
2	David Connolly	0.22 s	Pascal	2022-04-13 13:23:08

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.37 s	Prolog	2023-02-11 22:56:37

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.07 s	Python 2	2021-11-10 13:33:06
2	Gibransyah	0.07 s	Python 2	2022-03-28 09:25:18
3	Andreas Björklund	0.09 s	Python 2	2021-12-28 18:09:13

#	User	Runtime	Language	Date
1	Adrian Borup	0.07 s	Python 3	2024-10-27 19:30:08
2	Petr	0.07 s	Python 3	2025-01-12 20:31:15
3	Łukasz Łukaszew	0.08 s	Python 3	2022-08-08 16:12:48
4	Ryan Farrell	0.08 s	Python 3	2023-06-30 17:24:43
5	Hidden user	0.08 s	Python 3	2023-10-08 08:47:44
6	Simen Sørensen	0.08 s	Python 3	2024-11-08 01:52:16
7	Dominic Berzin Chua Way Gin	0.08 s	Python 3	2025-04-18 05:52:30
8	Christoffer Sommerlund	0.09 s	Python 3	2021-03-06 14:18:52
9	Lex Janssens	0.09 s	Python 3	2021-08-20 09:31:51
10	Vincent Tandya	0.09 s	Python 3	2021-08-21 09:51:40

#	User	Runtime	Language	Date
1	Jared Mulder	0.12 s	Ruby	2024-11-12 16:13:44
2	Andreas Severin Hauch Trøstrup	0.14 s	Ruby	2023-10-01 17:31:11
3	Kok Dith	0.17 s	Ruby	2021-08-27 10:54:01
4	Régis Hanol	0.20 s	Ruby	2022-01-03 16:23:43

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-09-02 21:25:45
2	David Rasch	0.01 s	Rust	2021-10-17 09:19:42
3	Bas Dirks	0.01 s	Rust	2022-01-09 20:18:45
4	Klas af Geijerstam	0.01 s	Rust	2022-03-19 19:05:57
5	Eric Pinter	0.01 s	Rust	2022-06-05 19:50:53
6	Daniel Anker Hermansen	0.01 s	Rust	2023-06-03 19:49:24
7	Artur Khuziakhmetov	0.01 s	Rust	2023-06-07 10:04:58
8	Viktor Sandström	0.01 s	Rust	2023-07-15 16:24:41
9	Jansen Craft	0.01 s	Rust	2023-11-30 22:30:18
10	Arvid Rehnberg	0.01 s	Rust	2025-01-21 20:07:45

#	User	Runtime	Language	Date
1	Philippe C. Léger	0.25 s	TypeScript	2024-09-29 04:26:47

#	User	Runtime	Language	Date
1	Arthur Dent	0.01 s	Zig	2024-05-07 15:21:09

#	User	Length	Language	Date
1	Danny Robinson	678	Bash	2023-09-09 23:09:16

#	User	Length	Language	Date
1	Sardar Mazyar Daryaee	1310	C	2022-08-09 19:38:27
2	Naveen Kumar S	1792	C	2025-05-18 15:29:03
3	Hidden user	1865	C	2025-04-21 15:24:32
4	Pallavi Sowl	2980	C	2022-03-12 11:43:58
5	Olav Johannessen	3024	C	2025-05-10 10:19:20
6	Bergur Snorrason	3212	C	2021-08-24 16:14:34
7	Mikael K Eriksson	3780	C	2021-08-26 13:49:45

#	User	Length	Language	Date
1	traxex	1165	C#	2024-05-26 09:39:43
2	Göran Andersson	1453	C#	2022-05-27 13:35:29
3	Pontus Lindell	2024	C#	2025-01-16 14:55:34
4	Hidden user	2581	C#	2023-02-13 01:32:41
5	niggaslayer	2671	C#	2025-04-02 14:10:41
6	Umar Rasyid	2901	C#	2025-06-01 22:37:32
7	Nils Nyman	2968	C#	2022-05-12 09:09:40
8	Rickard Bemm	3185	C#	2022-09-03 22:26:08
9	Mikael Fiala-Lundström	3618	C#	2021-10-01 01:20:57
10	Johan Hamredahl	3979	C#	2025-03-20 17:11:16

#	User	Length	Language	Date
1	Dmitry Lyubshin	860	C++	2023-03-20 06:47:24
2	Jason Liu	922	C++	2024-08-21 19:46:36
3	Hidden user	940	C++	2025-06-02 08:29:12
4	Markus Mathiasen	957	C++	2021-09-11 19:06:55
5	Hidden user	959	C++	2021-08-29 10:24:39
6	Hyunjun Lee	959	C++	2022-10-20 09:16:59
7	Батырхан Алтынбек	959	C++	2024-11-18 11:32:54
8	Niranjan Gopinath	999	C++	2022-01-13 19:41:45
9	ANM Thijs	1009	C++	2022-01-07 10:49:05
10	Rg Ttk	1009	C++	2021-12-28 07:54:27

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	2106	F#	2023-01-20 00:38:27
2	Jesper Bengtson	3843	F#	2021-09-10 16:57:17

#	User	Length	Language	Date
1	Faizan Khalid	1090	Go	2022-10-15 17:51:34
2	Hidden user	1269	Go	2025-03-12 22:12:50
3	Norbert Voelker	1367	Go	2021-08-19 21:16:21
4	Alexander Jacobsen	3232	Go	2021-09-10 17:39:51

#	User	Length	Language	Date
1	Hidden user	1114	Haskell	2023-01-10 16:11:46
2	Steinar Simonnes	1744	Haskell	2024-02-07 11:19:24
3	Ulrik Hansen	2150	Haskell	2023-01-19 15:22:23
4	Hidden user	2882	Haskell	2022-04-16 00:35:49
5	Brent Yorgey	8554	Haskell	2021-08-21 03:15:58
6	Hidden user	14308	Haskell	2021-11-08 10:37:17

#	User	Length	Language	Date
1	Doug Goodman	1340	Java	2021-09-11 19:14:00
2	Axel Nilsson	1405	Java	2024-06-12 18:23:46
3	Robert Walker	1416	Java	2025-01-12 03:22:12
4	Gustav Moström	1713	Java	2021-03-06 16:02:35
5	Crystal Sharpe	1729	Java	2021-08-24 02:39:23
6	Logan Pipes	1816	Java	2022-05-26 01:22:21
7	jiexuan	1833	Java	2022-12-11 10:20:07
8	Hidden user	1834	Java	2023-07-04 18:44:01
9	Victor Nguyen	1841	Java	2021-09-06 21:15:02
10	Kaiyang Yao	1870	Java	2021-10-17 20:51:44

#	User	Length	Language	Date
1	Ankit Agrawal	1221	JavaScript (Node.js)	2022-09-25 08:49:25
2	Samuel Högfeldt	1613	JavaScript (Node.js)	2022-06-20 18:26:01

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	654	JavaScript (SpiderMonkey)	2021-08-24 16:42:09
2	Christian Cederquist	812	JavaScript (SpiderMonkey)	2023-01-13 21:54:18

#	User	Length	Language	Date
1	Sam Keyser	1194	Kotlin	2022-11-04 23:38:26
2	Jacob Huebner	1417	Kotlin	2022-11-04 23:20:19
3	Adam Rankin	1595	Kotlin	2023-05-09 18:21:07

#	User	Length	Language	Date
1	David Connolly	2619	Pascal	2022-04-13 13:23:08
2	Ingemar Ragnemalm	10401	Pascal	2022-05-02 20:36:39

#	User	Length	Language	Date
1	Andriy Zyevakov	3051	Prolog	2023-02-11 22:56:37

#	User	Length	Language	Date
1	Andreas Björklund	725	Python 2	2021-12-28 18:09:13
2	Yanmarshus Bachtiar	974	Python 2	2021-11-10 13:33:06
3	Gibransyah	1443	Python 2	2022-03-28 09:25:18

#	User	Length	Language	Date
1	Benjamin Z White	331	Python 3	2023-05-08 19:04:38
2	Timothy Baeckelant	450	Python 3	2024-07-21 17:50:38
3	Lukas Kerren	453	Python 3	2024-03-08 19:45:39
4	Hidden user	466	Python 3	2023-09-19 18:46:38
5	Simon Baeckelant	489	Python 3	2025-05-15 14:57:29
6	Hidden user	511	Python 3	2024-02-09 01:55:08
7	Johan Sannemo	572	Python 3	2021-10-10 22:25:00
8	Oskar Haarklou Veileborg	587	Python 3	2021-08-21 22:36:19
9	Nicholas Russell Saerang	591	Python 3	2023-06-23 19:21:56
10	Zac Friggstad	591	Python 3	2022-01-03 20:43:51

#	User	Length	Language	Date
1	Andreas Severin Hauch Trøstrup	842	Ruby	2023-10-01 17:31:11
2	Kok Dith	868	Ruby	2021-08-27 10:54:01
3	Régis Hanol	874	Ruby	2022-01-03 16:23:43
4	Jared Mulder	928	Ruby	2024-11-12 16:13:44

#	User	Length	Language	Date
1	David Rasch	1312	Rust	2021-10-17 09:19:42
2	Drew Yost	1794	Rust	2022-09-21 23:36:11
3	Arvid Rehnberg	1970	Rust	2025-01-21 20:07:45
4	Jansen Craft	2010	Rust	2023-11-30 22:30:18
5	Frederik Raisa	2054	Rust	2021-09-10 16:54:54
6	dajan	2125	Rust	2022-01-21 00:28:31
7	Artur Khuziakhmetov	2160	Rust	2023-06-07 10:04:58
8	Andreas Gottschalk Krath	2293	Rust	2022-12-21 00:45:52
9	Bas Dirks	2592	Rust	2022-01-09 20:18:45
10	Eric Pinter	2752	Rust	2022-06-05 19:50:53

#	User	Length	Language	Date
1	Philippe C. Léger	1571	TypeScript	2024-09-29 04:26:47

#	User	Length	Language	Date
1	Arthur Dent	2024	Zig	2024-05-04 12:47:09

Solution running time distribution