Problem D
Birthday Memorization — Problem Statistics

Back to problem description

Submissions	5422
Accepted submissions	4953
Submission ratio	91.35%
Authors	2629
Accepted authors	2618
Author ratio	99.58%

#	User	Score	Language	Date
1	Hidden user	100	APL	2023-03-09 04:40:12
2	Hidden user	100	APL	2024-03-24 00:51:24
3	Matzuka	100	APL	2025-02-21 16:43:14

#	User	Score	Language	Date
1	Danny Robinson	100	Bash	2023-09-04 15:58:39
2	Thomas Feld	100	Bash	2023-09-08 15:38:27
3	Chenzhang Hu	100	Bash	2024-05-26 11:53:49
4	Frans Meulenbroeks	100	Bash	2024-12-26 11:48:40

#	User	Score	Language	Date
1	Jacob Harris Cryer Kragh	100	F#	2022-06-12 12:02:10
2	Julian Pedersen	100	F#	2021-01-15 18:17:38

#	User	Score	Language	Date
1	Peter Menyes	100	JavaScript (SpiderMonkey)	2021-08-14 22:46:27
2	Nicklas Utgaard	100	JavaScript (SpiderMonkey)	2021-12-23 12:12:50
3	Alexander Vestin	100	JavaScript (SpiderMonkey)	2022-10-14 21:08:33
4	Zach Tschetter	100	JavaScript (SpiderMonkey)	2023-04-22 23:44:32
5	Evan Magill	100	JavaScript (SpiderMonkey)	2024-04-18 02:07:06
6	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-06-10 23:07:19
7	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2020-11-19 00:01:55

#	User	Score	Language	Date
1	Danny Robinson	100	Julia	2023-09-04 15:34:08
2	Timothy Gaede	100	Julia	2024-04-04 01:40:31

#	User	Score	Language	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	0	Lua	2023-11-13 22:56:42

#	User	Score	Language	Date
1	Jinwoo Lee	100	OCaml	2022-12-04 01:14:58

#	User	Score	Language	Date
1	Ingemar Ragnemalm	100	Pascal	2020-12-19 09:20:28
2	David Connolly	100	Pascal	2022-04-12 12:51:07

#	User	Score	Language	Date
1	Saito Ta	100	Perl	2024-04-22 13:16:58
2	Greg Gorlen	100	Perl	2024-05-26 22:40:43
3	Javier Gómez Díaz	100	Perl	2024-04-13 17:20:30

#	User	Score	Language	Date
1	Renate	100	PHP	2021-05-20 23:54:28
2	Mochi Cake	100	PHP	2023-10-02 01:13:42
3	Andre Wahyudi	100	PHP	2022-10-19 11:49:31

#	User	Score	Language	Date
1	Andriy Zyevakov	100	Prolog	2023-01-26 20:10:23
2	Hakan Kjellerstrand	100	Prolog	2023-02-05 08:54:31

#	User	Score	Language	Date
1	Régis Hanol	100	Ruby	2022-01-04 10:01:48
2	Robert Haines	100	Ruby	2022-05-02 22:53:43
3	Thomas Feld	100	Ruby	2022-11-04 13:35:30
4	Isaac Bruce	100	Ruby	2023-01-30 05:10:33

#	User	Score	Language	Date
1	Philippe C. Léger	100	TypeScript	2024-10-04 16:24:10

#	User	Runtime	Language	Date
1	Hidden user	0.19 s	APL	2023-03-09 04:40:12
2	Hidden user	0.19 s	APL	2024-03-24 00:51:24
3	Matzuka	0.24 s	APL	2025-02-21 16:43:14

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-04 15:58:39
2	Thomas Feld	0.01 s	Bash	2023-09-08 15:38:27
3	Chenzhang Hu	0.02 s	Bash	2024-05-26 11:53:49
4	Frans Meulenbroeks	0.02 s	Bash	2024-12-26 11:48:40

#	User	Runtime	Language	Date
1	Loke Gustafsson	0.02 s	C#	2019-01-18 09:24:00
2	Simon Hultsborn	0.03 s	C#	2019-01-18 09:57:21
3	Henrik Hallbert	0.03 s	C#	2019-11-13 22:46:56
4	Marek Gibek	0.03 s	C#	2020-10-21 14:49:22
5	Thomas Norris	0.03 s	C#	2020-11-16 19:26:40
6	Victor Hultén Mattsson	0.03 s	C#	2021-07-06 17:05:52
7	Toby Maynard	0.03 s	C#	2021-08-14 16:53:58
8	Eric Weiss	0.03 s	C#	2022-05-13 19:04:19
9	Alexander Wahlsten	0.04 s	C#	2019-12-09 09:34:51
10	Askar Rakhimzhanov	0.04 s	C#	2020-10-11 17:06:20

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2022-06-12 12:02:10
2	Julian Pedersen	0.08 s	F#	2021-01-15 18:17:38

#	User	Runtime	Language	Date
1	Deci Bel	0.00 s	Go	2024-04-29 12:43:45
2	Jimmy Nejtron	0.01 s	Go	2023-09-18 10:19:18
3	Carl Martin Rosenberg	0.05 s	Go	2023-07-08 16:29:01
4	Marcin Dudek	0.08 s	Go	2020-11-17 22:23:09
5	Magix	0.08 s	Go	2020-12-12 22:14:37
6	Norbert Voelker	0.08 s	Go	2021-04-07 00:53:06
7	dick move	0.08 s	Go	2021-05-04 18:53:15
8	Adrian Bay Dorph	0.08 s	Go	2021-09-01 16:26:36
9	Yudit Yudiarto	0.08 s	Go	2021-09-15 16:32:01
10	Anthony Buchholz	0.09 s	Go	2022-07-19 06:11:15

#	User	Runtime	Language	Date
1	Caleb Surovik	0.01 s	Haskell	2021-07-02 02:05:35
2	Øyvind Almli	0.01 s	Haskell	2021-10-29 10:34:56
3	Hidden user	0.01 s	Haskell	2021-11-19 19:20:47
4	Brian Hwang	0.01 s	Haskell	2022-08-03 12:13:29
5	Daniel Cabral	0.01 s	Haskell	2022-11-14 12:31:21
6	Sebastian Banert	0.01 s	Haskell	2023-09-18 10:06:01
7	Steinar Simonnes	0.01 s	Haskell	2024-01-15 09:54:47
8	Hidden user	0.01 s	Haskell	2024-03-23 09:28:38
9	Jan Hrček	0.02 s	Haskell	2020-11-16 11:09:36
10	Brent Yorgey	0.02 s	Haskell	2020-11-16 12:20:58

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.04 s	Java	2025-01-05 16:06:41
2	Guangyi Zhou	0.05 s	Java	2024-12-29 14:55:21
3	Lee Heng Sheng	0.07 s	Java	2024-04-17 08:29:21
4	Bjørn Dons	0.08 s	Java	2020-11-25 20:50:57
5	Emil Bak-Møller	0.08 s	Java	2021-02-15 13:07:21
6	Joachim Borup	0.08 s	Java	2021-03-12 20:29:22
7	Crystal Sharpe	0.10 s	Java	2020-11-25 05:45:56
8	Liam Keliher	0.10 s	Java	2020-12-17 08:26:21
9	Thomas Wolgast Rørbech	0.10 s	Java	2021-04-20 08:16:57
10	Mukul Kumar	0.10 s	Java	2021-06-07 08:51:27

#	User	Runtime	Language	Date
1	Kevin Fitzpatrick	0.05 s	JavaScript (Node.js)	2024-08-28 21:57:26
2	Hidden user	0.06 s	JavaScript (Node.js)	2024-07-04 07:58:47
3	Carl Sundvall	0.07 s	JavaScript (Node.js)	2019-01-18 09:19:48
4	Nikita Dudson	0.10 s	JavaScript (Node.js)	2022-06-18 15:35:15
5	Samuel Högfeldt	0.10 s	JavaScript (Node.js)	2022-07-05 21:15:55
6	John	0.10 s	JavaScript (Node.js)	2022-07-15 09:16:00
7	Christian Cederquist	0.30 s	JavaScript (Node.js)	2022-10-09 01:25:31
8	Quinn Flavel	0.43 s	JavaScript (Node.js)	2020-11-24 19:25:54
9	neil	0.43 s	JavaScript (Node.js)	2020-11-26 05:50:44
10	Peter Kedemo	0.43 s	JavaScript (Node.js)	2020-12-26 00:01:27

#	User	Runtime	Language	Date
1	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-14 22:46:27
2	Nicklas Utgaard	0.03 s	JavaScript (SpiderMonkey)	2021-12-23 12:12:50
3	Alexander Vestin	0.03 s	JavaScript (SpiderMonkey)	2022-10-14 21:08:33
4	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2023-04-22 23:44:32
5	Evan Magill	0.03 s	JavaScript (SpiderMonkey)	2024-04-18 02:07:06
6	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-06-10 23:07:19
7	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2020-11-19 00:01:55

#	User	Runtime	Language	Date
1	Danny Robinson	0.84 s	Julia	2023-09-04 15:34:08
2	Timothy Gaede	0.94 s	Julia	2024-04-04 01:40:31

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.18 s	Kotlin	2021-11-16 05:18:09
2	Ola Sundell	0.27 s	Kotlin	2021-07-31 16:03:25
3	Martijn Muijsers	0.27 s	Kotlin	2024-05-31 10:27:37
4	Marit van Dijk	0.28 s	Kotlin	2021-09-23 19:26:25
5	Test cherry	0.28 s	Kotlin	2023-03-30 15:33:39
6	Adam Rankin	0.28 s	Kotlin	2023-05-05 17:49:57
7	Roger Bongers	0.29 s	Kotlin	2021-06-26 23:02:56
8	Alexandre Conte	0.29 s	Kotlin	2021-08-23 21:13:51
9	Lauren Pace	0.30 s	Kotlin	2021-06-15 22:29:27
10	Sergey Jakobsen	0.30 s	Kotlin	2022-01-03 23:38:31

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.00 s	OCaml	2022-12-04 01:14:58

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2020-12-19 09:20:28
2	David Connolly	0.02 s	Pascal	2022-04-12 12:51:07

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-22 13:16:58
2	Greg Gorlen	0.00 s	Perl	2024-05-26 22:40:43
3	Javier Gómez Díaz	0.01 s	Perl	2024-04-13 17:20:30

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2021-05-20 23:54:28
2	Mochi Cake	0.01 s	PHP	2023-10-02 01:13:42
3	Andre Wahyudi	0.02 s	PHP	2022-10-19 11:49:31

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.08 s	Prolog	2023-01-26 20:10:23
2	Hakan Kjellerstrand	0.10 s	Prolog	2023-02-05 08:54:31

#	User	Runtime	Language	Date
1	Ivar Källström	0.02 s	Python 3	2019-01-18 09:14:43
2	Hidden user	0.02 s	Python 3	2019-01-18 09:34:25
3	John Westermark	0.03 s	Python 3	2019-01-18 09:18:10
4	Julia Persson	0.03 s	Python 3	2019-01-18 09:18:47
5	David Engström	0.03 s	Python 3	2019-01-18 09:19:40
6	Hugo Berg	0.03 s	Python 3	2019-01-18 09:21:35
7	Jonathan L	0.03 s	Python 3	2019-01-18 09:24:11
8	Oliver Lindström	0.03 s	Python 3	2019-01-18 09:30:36
9	Jesper Carlsson	0.03 s	Python 3	2019-01-18 09:33:04
10	Mattias Nordstrand	0.03 s	Python 3	2019-01-18 09:41:44

#	User	Runtime	Language	Date
1	Régis Hanol	0.05 s	Ruby	2022-01-04 10:01:48
2	Robert Haines	0.05 s	Ruby	2022-05-02 22:53:43
3	Thomas Feld	0.06 s	Ruby	2022-11-04 13:35:30
4	Isaac Bruce	0.06 s	Ruby	2023-01-30 05:10:33

#	User	Runtime	Language	Date
1	Philippe C. Léger	0.05 s	TypeScript	2024-10-04 16:24:10

#	User	Length	Language	Date
1	Hidden user	100	APL	2024-03-24 00:56:53
2	Hidden user	125	APL	2023-03-09 04:40:12
3	Matzuka	534	APL	2025-02-21 16:59:44

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-05-26 11:53:49
2	Thomas Feld	50	Bash	2023-09-12 15:35:03
3	Frans Meulenbroeks	54	Bash	2024-12-26 11:56:55
4	Danny Robinson	85	Bash	2023-09-04 15:58:39

#	User	Length	Language	Date
1	Ximun Castoreo	910	C	2022-04-14 09:06:01
2	Martin Blom	1041	C	2022-09-12 11:57:35
3	Oliver Ruste Jahren	1050	C	2023-06-03 22:27:03
4	Victor Thunström	1094	C	2022-10-29 15:16:30
5	Velvet	1154	C	2020-12-04 15:09:40
6	Joakim Olsson	1191	C	2024-12-09 13:59:27
7	Øystein Skartsæterhagen	1247	C	2023-03-21 13:24:29
8	Dylan S	1282	C	2021-11-20 05:47:53
9	Rasmus Melin	1317	C	2023-01-06 05:07:25
10	PhilCampbell	1328	C	2021-01-05 11:12:37

#	User	Length	Language	Date
1	florist swe	673	C#	2024-11-28 21:16:54
2	Esty Crow	696	C#	2023-12-16 20:13:06
3	Anthony Ye	760	C#	2023-12-17 19:01:59
4	Benjamin Iserman	838	C#	2021-09-19 06:09:54
5	Steven Adi Santoso	861	C#	2023-12-10 07:46:25
6	Ruben Rystedt	885	C#	2025-01-25 09:16:53
7	Göran Andersson	976	C#	2022-05-12 23:02:45
8	thulani innocent	1026	C#	2022-05-20 16:36:21
9	Gustav Junedahl	1063	C#	2022-04-23 19:11:40
10	Thomas Norris	1081	C#	2020-11-16 19:26:40

#	User	Length	Language	Date
1	Tyler Fernando	304	C++	2022-11-10 05:36:14
2	Clinton Connelly	381	C++	2023-12-04 02:54:51
3	Yeung Man Tsung	426	C++	2022-11-20 07:16:51
4	Dugersuren Battsend	451	C++	2022-12-28 07:08:37
5	Qianlang Chen	473	C++	2023-05-26 22:10:27
6	Elias	486	C++	2021-03-12 16:25:09
7	Tuomas Katajisto	488	C++	2019-01-26 13:46:36
8	Rokas Urbonas	488	C++	2022-05-06 15:20:07
9	Dmitry Lyubshin	491	C++	2023-03-18 20:19:00
10	Scott MacIntosh	492	C++	2020-11-20 15:58:21

#	User	Length	Language	Date
1	Julian Pedersen	424	F#	2021-01-15 18:17:38
2	Jacob Harris Cryer Kragh	782	F#	2022-06-12 12:02:10

#	User	Length	Language	Date
1	Hidden user	530	Go	2021-12-14 10:43:29
2	Andras Nagy	555	Go	2021-12-21 06:32:58
3	Adam Hansson	624	Go	2022-02-16 07:53:25
4	Jahid Hasan Imon	638	Go	2022-11-22 10:20:42
5	Jimmy Nejtron	711	Go	2023-09-18 10:19:18
6	Aaron Friesen	747	Go	2022-09-09 03:22:19
7	Hein Thant Maung Maung	761	Go	2021-10-15 08:18:22
8	Hidden user	767	Go	2023-01-14 10:16:37
9	Lucca Dias	791	Go	2021-11-26 00:37:05
10	Carl Martin Rosenberg	813	Go	2023-07-08 16:29:01

#	User	Length	Language	Date
1	Steinar Simonnes	398	Haskell	2024-01-15 09:54:47
2	Nikos Sidiropoulos	457	Haskell	2024-06-04 22:25:29
3	Daniel Cabral	533	Haskell	2022-11-14 12:31:21
4	Hidden user	537	Haskell	2023-10-11 01:26:18
5	Sebastian Banert	645	Haskell	2023-09-18 10:06:01
6	Hidden user	685	Haskell	2021-11-19 19:20:47
7	Brian Hwang	723	Haskell	2024-03-22 20:11:28
8	Shinji Koshida	743	Haskell	2024-12-19 13:27:39
9	Rudy Matela	762	Haskell	2023-08-27 16:49:00
10	Jan Hrček	828	Haskell	2020-11-16 11:09:36

#	User	Length	Language	Date
1	Jason Liu	838	Java	2023-04-27 15:12:15
2	Carter Henderson	844	Java	2021-11-03 17:02:49
3	David Sturgill	862	Java	2022-01-25 00:17:44
4	Hunter Mullen	871	Java	2025-02-07 03:10:51
5	Thanh Le	871	Java	2022-12-11 05:06:12
6	Terry Morris	896	Java	2024-06-20 03:13:02
7	Kok Chun Zhi	912	Java	2021-11-30 15:57:55
8	Freya Nørlund Wentzel	913	Java	2024-03-28 22:21:20
9	Dylan Smith	918	Java	2021-03-06 23:14:19
10	Raymond Arrington	922	Java	2024-06-17 17:41:47

#	User	Length	Language	Date
1	Christian Cederquist	250	JavaScript (Node.js)	2022-10-09 01:25:31
2	Antoine Bauri	472	JavaScript (Node.js)	2021-11-25 23:31:09
3	Peter Kedemo	554	JavaScript (Node.js)	2020-12-26 00:01:27
4	Quinn Flavel	624	JavaScript (Node.js)	2020-11-24 19:25:54
5	Hidden user	775	JavaScript (Node.js)	2023-08-13 20:06:59
6	Chris Wong	904	JavaScript (Node.js)	2021-02-23 11:41:55
7	Carl Sundvall	948	JavaScript (Node.js)	2019-01-18 09:19:48
8	neil	961	JavaScript (Node.js)	2020-11-26 05:50:44
9	John	967	JavaScript (Node.js)	2022-07-15 09:16:00
10	Nikita Dudson	1023	JavaScript (Node.js)	2022-06-18 15:35:15

#	User	Length	Language	Date
1	Jimmy Gustafsson	190	JavaScript (SpiderMonkey)	2024-06-10 23:07:19
2	Zach Tschetter	301	JavaScript (SpiderMonkey)	2023-04-22 23:44:32
3	Bjørn Chr. Soltvedt	328	JavaScript (SpiderMonkey)	2020-11-19 00:01:55
4	Evan Magill	375	JavaScript (SpiderMonkey)	2024-04-18 02:07:06
5	Peter Menyes	390	JavaScript (SpiderMonkey)	2021-08-14 22:46:27
6	Alexander Vestin	681	JavaScript (SpiderMonkey)	2022-10-14 21:08:33
7	Nicklas Utgaard	795	JavaScript (SpiderMonkey)	2021-12-23 12:12:50

#	User	Length	Language	Date
1	Danny Robinson	150	Julia	2023-09-04 15:34:08
2	Timothy Gaede	3637	Julia	2024-04-04 01:40:31

#	User	Length	Language	Date
1	Magnus Tønnessen	300	Kotlin	2021-11-20 13:57:41
2	Sergey Jakobsen	473	Kotlin	2022-01-03 23:48:17
3	Roger Bongers	541	Kotlin	2021-06-26 23:02:56
4	Adam Rankin	597	Kotlin	2023-05-05 17:49:57
5	Troy Warmboe	599	Kotlin	2021-10-09 03:25:55
6	Alexandre Conte	616	Kotlin	2021-08-23 21:13:51
7	Aleksander	747	Kotlin	2023-12-21 02:53:06
8	Martijn Muijsers	779	Kotlin	2024-05-31 10:27:37
9	Marit van Dijk	824	Kotlin	2021-09-23 19:26:25
10	Lauren Pace	856	Kotlin	2021-06-15 22:29:27

#	User	Length	Language	Date
1	Jinwoo Lee	954	OCaml	2022-12-04 01:17:20

#	User	Length	Language	Date
1	David Connolly	1739	Pascal	2022-04-12 12:51:07
2	Ingemar Ragnemalm	4855	Pascal	2020-12-19 09:20:28

#	User	Length	Language	Date
1	Saito Ta	98	Perl	2024-04-22 13:16:58
2	Greg Gorlen	159	Perl	2024-05-26 22:40:43
3	Javier Gómez Díaz	288	Perl	2024-04-13 17:20:30

#	User	Length	Language	Date
1	Mochi Cake	531	PHP	2023-10-02 01:13:42
2	Renate	890	PHP	2021-05-20 23:54:28
3	Andre Wahyudi	1063	PHP	2022-10-19 11:49:31

#	User	Length	Language	Date
1	Hakan Kjellerstrand	661	Prolog	2023-02-05 08:54:31
2	Andriy Zyevakov	1318	Prolog	2023-01-26 20:10:23

#	User	Length	Language	Date
1	Lawry Sorenson	137	Python 3	2023-11-17 04:09:33
2	Charles Ancheta	144	Python 3	2023-04-07 21:19:43
3	Adam Levav	146	Python 3	2023-01-24 22:50:16
4	Holger Dell	149	Python 3	2023-06-23 22:50:45
5	Marcus Xu	158	Python 3	2021-12-11 05:37:14
6	Błażej Dariusz Roszkowski	161	Python 3	2022-12-02 19:40:05
7	Kelly Dance	162	Python 3	2024-06-12 05:08:30
8	Guk Yi Siong	163	Python 3	2023-08-15 19:36:57
9	Tai Tze Kin	167	Python 3	2024-04-23 18:42:57
10	David Worley	170	Python 3	2024-04-23 20:54:49

#	User	Length	Language	Date
1	Thomas Feld	89	Ruby	2022-11-04 13:35:30
2	Régis Hanol	159	Ruby	2022-01-04 10:01:48
3	Robert Haines	380	Ruby	2022-05-02 22:53:43
4	Isaac Bruce	396	Ruby	2023-01-30 05:10:33

#	User	Length	Language	Date
1	Artur Khuziakhmetov	688	Rust	2022-07-06 12:43:56
2	Vincent Lagerros	725	Rust	2025-01-02 01:19:46
3	David Rasch	899	Rust	2020-12-01 12:14:16
4	Sherman Chann Zhi Shen	930	Rust	2021-10-11 08:46:40
5	Winston Wu	987	Rust	2023-11-23 00:45:45
6	Morten Raeburn	1012	Rust	2021-11-11 20:47:37
7	Kok Dith	1023	Rust	2021-08-07 15:37:05
8	Isak Jägberg	1032	Rust	2021-05-05 23:05:58
9	David Zacek	1048	Rust	2021-05-21 01:52:29
10	Bas Dirks	1071	Rust	2021-12-31 17:15:44

#	User	Length	Language	Date
1	Philippe C. Léger	832	TypeScript	2024-10-04 16:24:10

Solution running time distribution