Problem A
99 Problems — Problem Statistics

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Submissions	18707
Accepted submissions	4931
Submission ratio	26.36%
Authors	5270
Accepted authors	4192
Author ratio	79.54%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	APL	2023-03-10 17:52:09
2	Hidden user	0.01 s	APL	2023-03-11 04:33:28
3	Wenhao Xu	0.01 s	APL	2023-03-18 08:32:52

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-07-01 02:46:08
2	Chenzhang Hu	0.01 s	Bash	2023-10-03 15:42:45
3	Thomas Feld	0.06 s	Bash	2023-09-26 14:52:30

#	User	Runtime	Language	Date
1	Benny Antonsson	0.02 s	C#	2022-05-07 15:26:18
2	Göran Andersson	0.02 s	C#	2022-05-08 22:03:30
3	Mikael Fiala-Lundström	0.02 s	C#	2022-05-08 23:08:53
4	Mahdi	0.02 s	C#	2022-05-09 00:40:26
5	Freek van Keulen	0.02 s	C#	2022-05-10 20:18:58
6	Cecilia L	0.02 s	C#	2022-05-15 20:21:26
7	Sebastian Darehed	0.02 s	C#	2022-05-19 20:35:47
8	Henrik Hallbert	0.02 s	C#	2022-05-22 14:29:09
9	Sigmund Brocks	0.02 s	C#	2022-05-31 22:41:29
10	Nikolaj Alsøe	0.02 s	C#	2022-06-02 20:35:23

#	User	Runtime	Language	Date
1	KatSch	0.01 s	Common Lisp	2022-11-08 01:30:31
2	Michal Žáček	0.01 s	Common Lisp	2023-02-27 22:43:30
3	Hidden user	0.01 s	Common Lisp	2024-04-03 21:55:01

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Dart	2023-07-27 19:26:47

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-07-18 18:25:03
2	Thanh Dinh Ta	0.03 s	F#	2022-09-08 17:31:27
3	Victor Rasmussen	0.03 s	F#	2022-09-26 21:44:56
4	Sjoerd Pijpers	0.03 s	F#	2022-11-10 18:22:28
5	Peter Berndt Fuchs	0.04 s	F#	2022-10-29 00:05:07
6	Lucas Venø Hansen	0.08 s	F#	2025-02-06 10:24:49

#	User	Runtime	Language	Date
1	Marius Urbelis	0.00 s	Go	2023-06-19 00:19:31
2	Aaron Nichols	0.00 s	Go	2024-02-27 00:09:02
3	Hidden user	0.00 s	Go	2024-05-22 21:23:26
4	Yamone Oo	0.00 s	Go	2024-09-18 18:04:53
5	Rickard Bemm	0.01 s	Go	2022-08-30 11:53:12
6	Faizan Khalid	0.01 s	Go	2022-09-07 13:19:07
7	Zeeshan Ali	0.01 s	Go	2022-09-07 13:29:27
8	Hamza Hameed	0.01 s	Go	2022-09-07 14:02:00
9	Tom tong	0.02 s	Go	2022-07-31 22:10:49
10	Stefan Samuelsson	0.02 s	Go	2022-07-31 22:30:26

#	User	Runtime	Language	Date
1	John Lindstrom	0.04 s	Java	2024-08-18 19:13:50
2	Bryan Yan	0.04 s	Java	2024-09-28 21:50:28
3	Ang Wei Jian	0.04 s	Java	2024-10-22 19:34:14
4	Yan Andong	0.04 s	Java	2024-10-23 16:49:27
5	andrem311	0.04 s	Java	2024-10-26 00:22:09
6	Pham Minh Tuan Bui	0.04 s	Java	2024-11-01 09:37:31
7	Alexander	0.04 s	Java	2024-11-01 19:11:19
8	Guangyi Zhou	0.04 s	Java	2024-11-17 19:16:21
9	Stela Palii	0.04 s	Java	2024-12-30 00:19:08
10	Sven Rönnbäck	0.04 s	Java	2024-12-30 09:48:16

#	User	Runtime	Language	Date
1	Gabriele Petrioli	0.04 s	JavaScript (Node.js)	2023-12-18 21:45:59
2	jack	0.04 s	JavaScript (Node.js)	2024-12-31 00:52:42
3	Abdurrachman Habibi	0.04 s	JavaScript (Node.js)	2025-01-27 13:43:59
4	Shay Sample	0.05 s	JavaScript (Node.js)	2023-09-23 20:42:46
5	Blake Pearsall	0.05 s	JavaScript (Node.js)	2023-09-25 23:22:44
6	Medani Mwale	0.05 s	JavaScript (Node.js)	2023-09-26 03:03:42
7	Landerson	0.05 s	JavaScript (Node.js)	2024-03-06 19:21:20
8	Muhammad Ahmad Hassan Nagra	0.05 s	JavaScript (Node.js)	2024-03-07 17:08:32
9	Varun Kumar	0.05 s	JavaScript (Node.js)	2024-03-07 23:46:11
10	Archangel ZA	0.05 s	JavaScript (Node.js)	2024-03-12 09:43:27

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-05-07 22:39:59
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-31 23:15:07
3	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-17 01:56:20
4	Benjamin Eli van Rhee	0.02 s	JavaScript (SpiderMonkey)	2024-09-17 19:14:14
5	Tanmay Sharma	0.02 s	JavaScript (SpiderMonkey)	2024-10-28 18:39:48

#	User	Runtime	Language	Date
1	Vahag Altunyan	0.39 s	Julia	2024-06-18 10:31:25
2	Danny Robinson	0.52 s	Julia	2023-07-01 02:22:31
3	Konrad Pettersson	0.52 s	Julia	2024-06-06 20:36:14
4	Timothy Gaede	0.55 s	Julia	2024-04-24 15:20:10

#	User	Runtime	Language	Date
1	Björn Holm	0.11 s	Kotlin	2022-05-07 11:20:14
2	Sam Keyser	0.11 s	Kotlin	2022-11-04 21:41:55
3	Jacob Huebner	0.11 s	Kotlin	2022-11-04 23:24:02
4	Rasmus Saame	0.15 s	Kotlin	2022-08-22 19:53:26
5	Hidden user	0.16 s	Kotlin	2022-10-31 14:48:56
6	Atie Fereydooni	0.16 s	Kotlin	2022-11-26 20:31:23
7	Adnaan Ahmed	0.16 s	Kotlin	2023-01-02 23:15:34
8	Brandon Gasser	0.16 s	Kotlin	2023-02-25 04:24:48
9	Nicholas Johnson	0.16 s	Kotlin	2023-03-12 18:25:35
10	Torbjørn Tessem	0.16 s	Kotlin	2023-08-07 17:52:52

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2023-12-12 21:51:06

#	User	Runtime	Language	Date
1	Benjamin Valdez	0.00 s	OCaml	2024-02-09 18:55:46
2	Anatole Leterrier	0.00 s	OCaml	2024-03-07 17:09:44

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2023-03-18 13:04:08

#	User	Runtime	Language	Date
1	Nicolai	0.00 s	Perl	2024-07-29 17:36:23

#	User	Runtime	Language	Date
1	Muhammad Asyraf bin Akop	0.01 s	PHP	2022-05-13 03:44:07
2	Thomas Feld	0.01 s	PHP	2023-01-31 13:08:23
3	Lukas Törnblom	0.01 s	PHP	2023-12-18 11:36:59

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2023-01-09 16:20:36

#	User	Runtime	Language	Date
1	James Marnie Argarin	0.04 s	Python 3	2022-06-04 19:48:45
2	Jeppe Kristensen	0.04 s	Python 3	2022-06-04 22:08:42
3	Tan Yong Boon	0.04 s	Python 3	2022-06-05 06:13:00
4	Jethro Tjiunardi	0.04 s	Python 3	2022-06-07 11:41:17
5	Carlos Angelo Rayel	0.04 s	Python 3	2022-06-07 12:37:27
6	Ma Zeit Elizha Tomboc	0.04 s	Python 3	2022-06-07 16:54:10
7	Hidden user	0.04 s	Python 3	2022-06-07 18:05:12
8	Hidden user	0.04 s	Python 3	2022-06-07 19:02:15
9	Martin Ivan Dalangin	0.04 s	Python 3	2022-06-08 13:14:10
10	Benjamin MacDougall	0.04 s	Python 3	2022-06-08 21:56:27

#	User	Runtime	Language	Date
1	Pierpaolo Bernardi	0.38 s	Racket	2024-08-12 04:47:04

#	User	Runtime	Language	Date
1	Andreas Severin Hauch Trøstrup	0.05 s	Ruby	2022-08-23 18:13:52
2	Alejandro Muniz-Samalot	0.05 s	Ruby	2022-10-11 03:51:34
3	Blair Rubach	0.05 s	Ruby	2022-10-11 03:53:12
4	Luca Donatellis	0.06 s	Ruby	2022-11-30 15:07:35
5	Thomas Feld	0.06 s	Ruby	2022-12-07 13:27:15
6	Hidden user	0.06 s	Ruby	2023-02-03 10:45:44
7	Gustav Elmqvist	0.06 s	Ruby	2023-02-18 03:04:46
8	Alexander Bilde Pedersen	0.06 s	Ruby	2023-02-26 00:30:42
9	Harry Zhang	0.06 s	Ruby	2023-04-14 01:45:57
10	David Felsager	0.06 s	Ruby	2023-07-16 12:44:10

#	User	Runtime	Language	Date
1	Robert Morelli	0.00 s	Swift	2025-02-21 01:42:31

#	User	Runtime	Language	Date
1	Henry Nguyen	0.05 s	TypeScript	2024-01-25 23:20:55
2	Hidden user	0.09 s	TypeScript	2023-04-06 12:01:22
3	Dushan Akalanka	0.09 s	TypeScript	2023-05-19 07:37:11
4	Dániel Karakas	0.09 s	TypeScript	2023-07-05 19:15:05
5	Maxwell Sloan	0.09 s	TypeScript	2023-09-15 01:24:19

#	User	Runtime	Language	Date
1	Mattias Davidsson	0.00 s	Zig	2023-10-24 00:55:12
2	Oleksii Ihnatenko	0.00 s	Zig	2024-03-26 23:56:29

#	User	Length	Language	Date
1	Hidden user	51	APL	2023-03-10 17:54:14
2	Hidden user	76	APL	2023-03-11 04:33:28
3	Wenhao Xu	159	APL	2023-03-18 08:32:52

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-06-24 18:09:53
2	Thomas Feld	13	Bash	2023-09-26 14:53:02
3	Danny Robinson	46	Bash	2023-07-01 02:46:08

#	User	Length	Language	Date
1	David Felsager	91	C	2023-07-16 11:28:11
2	Adrian Fager	103	C	2022-09-18 17:36:41
3	Justin Rainier Go	115	C	2024-08-29 08:46:34
4	Sawyer Frie	121	C	2023-03-24 17:47:29
5	台師大劉育均	159	C	2023-11-06 16:41:36
6	April Clark	165	C	2023-02-12 17:50:10
7	Hidden user	175	C	2022-10-31 16:41:11
8	Shiqi Zhou	178	C	2022-11-09 18:28:14
9	Matthew Weston	182	C	2022-05-16 21:00:07
10	Guillermo Hernández	199	C	2022-08-25 12:08:22

#	User	Length	Language	Date
1	Alexander Hellstén	125	C#	2023-10-05 09:13:47
2	traxex	201	C#	2024-05-06 20:27:16
3	Aiden Bilyeu	211	C#	2023-02-01 04:57:08
4	James Park	298	C#	2022-10-19 13:39:25
5	Stellan Danald	327	C#	2023-09-05 12:23:49
6	Caleb Martin	333	C#	2022-11-06 21:58:05
7	Sabba Ifzal	334	C#	2023-06-21 19:58:44
8	Matthew Woods	335	C#	2023-07-18 14:53:24
9	Henrik Hallbert	345	C#	2022-05-22 14:29:09
10	rf	384	C#	2023-02-19 04:55:02

#	User	Length	Language	Date
1	David Felsager	85	C++	2023-07-16 11:39:36
2	Tyler Fernando	96	C++	2022-11-02 06:47:45
3	Christopher Chalmers	99	C++	2024-10-01 01:01:22
4	Cassie Lastswitch	107	C++	2024-03-05 19:59:23
5	Frans Meulenbroeks	125	C++	2024-10-02 22:57:18
6	Daniel D'Agosta	136	C++	2023-11-11 00:15:22
7	Mathias Gernez	143	C++	2023-08-08 19:45:57
8	Emirhan Baş	148	C++	2025-01-29 22:30:16
9	Jesper Bech Christensen	152	C++	2022-09-13 13:43:36
10	Andrii Dubinin	166	C++	2023-12-20 14:03:46

#	User	Length	Language	Date
1	Michal Žáček	318	Common Lisp	2023-02-27 22:43:30
2	KatSch	474	Common Lisp	2022-11-08 01:30:31
3	Hidden user	539	Common Lisp	2024-04-03 21:55:01

#	User	Length	Language	Date
1	Hidden user	437	Dart	2023-07-27 19:26:47

#	User	Length	Language	Date
1	Lucas Venø Hansen	217	F#	2025-02-06 10:24:49
2	Sjoerd Pijpers	270	F#	2022-11-10 18:22:28
3	Jacob Harris Cryer Kragh	308	F#	2022-07-18 18:25:03
4	Thanh Dinh Ta	344	F#	2022-09-08 17:31:27
5	Victor Rasmussen	463	F#	2022-09-26 21:44:56
6	Peter Berndt Fuchs	611	F#	2022-10-29 00:05:07

#	User	Length	Language	Date
1	Rickard Bemm	211	Go	2022-08-30 11:53:12
2	Markus Mathiasen	215	Go	2022-08-22 11:46:53
3	dick move	217	Go	2022-11-07 16:36:59
4	Hidden user	229	Go	2024-05-22 21:23:26
5	Hamza Hameed	251	Go	2022-09-07 14:02:00
6	Stefan Samuelsson	265	Go	2022-07-31 22:30:26
7	Faizan Khalid	269	Go	2022-09-07 13:19:07
8	Tom tong	284	Go	2022-07-31 22:10:49
9	Aaron Nichols	294	Go	2024-02-27 00:09:02
10	wolf狼	307	Go	2023-05-14 20:27:41

#	User	Length	Language	Date
1	Archie Walton	108	Haskell	2023-11-30 03:48:13
2	Eskil Dam	143	Haskell	2023-01-20 16:15:15
3	Sebastian Banert	181	Haskell	2023-09-05 16:12:28
4	Hidden user	219	Haskell	2024-03-30 13:29:10
5	Juan Miguel Vilar	221	Haskell	2023-08-08 12:00:14
6	吳文元	221	Haskell	2023-11-07 04:27:45
7	Mansur Ziiatdinov	230	Haskell	2023-01-02 19:44:47
8	Azeez Daoud	239	Haskell	2022-07-05 12:39:53
9	Kristian Sørdal	247	Haskell	2022-11-27 15:09:47
10	William Ball	251	Haskell	2022-05-28 04:18:42

#	User	Length	Language	Date
1	Evan Magill	188	Java	2022-11-28 01:18:57
2	John Walbran	192	Java	2022-11-10 06:54:34
3	Matthew Pimienta	216	Java	2022-08-27 17:49:15
4	Zheng Xinrong	229	Java	2023-02-12 23:18:22
5	Luis Becerril	235	Java	2022-11-03 16:59:28
6	Caden Nelson	246	Java	2022-05-29 21:56:53
7	Ian Slot	249	Java	2022-09-24 02:48:41
8	Samuel Rose	250	Java	2022-10-21 18:18:26
9	Raymond Arrington	264	Java	2024-06-17 19:07:57
10	Aryan “Yoshi” Joshi	286	Java	2022-11-06 00:54:48

#	User	Length	Language	Date
1	Landerson	297	JavaScript (Node.js)	2024-03-06 19:21:20
2	Greg Gorlen	304	JavaScript (Node.js)	2022-05-30 03:47:56
3	Marton	334	JavaScript (Node.js)	2022-09-26 09:08:53
4	Gabriel Lau	335	JavaScript (Node.js)	2023-03-20 04:16:19
5	Gabriele Petrioli	341	JavaScript (Node.js)	2023-12-18 21:45:59
6	Ankit Agrawal	350	JavaScript (Node.js)	2022-09-22 23:38:37
7	BRYAN DAVID ALVAREZ GALVIS	372	JavaScript (Node.js)	2024-04-13 17:35:04
8	Jake Rosch	376	JavaScript (Node.js)	2022-11-10 04:47:01
9	Nikola Stojkovski	410	JavaScript (Node.js)	2022-08-12 10:39:51
10	HD	433	JavaScript (Node.js)	2024-06-12 18:20:23

#	User	Length	Language	Date
1	Christian Cederquist	186	JavaScript (SpiderMonkey)	2023-01-31 23:15:07
2	Zach Tschetter	237	JavaScript (SpiderMonkey)	2023-04-17 01:56:20
3	Bjørn Chr. Soltvedt	362	JavaScript (SpiderMonkey)	2022-05-07 22:39:59
4	Tanmay Sharma	369	JavaScript (SpiderMonkey)	2024-10-28 18:39:48
5	Benjamin Eli van Rhee	578	JavaScript (SpiderMonkey)	2024-09-17 19:18:48

#	User	Length	Language	Date
1	Danny Robinson	54	Julia	2023-07-01 02:27:47
2	Konrad Pettersson	134	Julia	2024-06-06 20:36:14
3	Vahag Altunyan	279	Julia	2024-06-18 10:31:25
4	Timothy Gaede	491	Julia	2024-04-24 15:20:10

#	User	Length	Language	Date
1	Hidden user	164	Kotlin	2024-09-17 21:41:10
2	Torbjørn Tessem	238	Kotlin	2023-08-07 17:52:52
3	Nicholas Johnson	241	Kotlin	2023-03-12 18:25:35
4	Jacob Huebner	264	Kotlin	2022-11-04 23:24:02
5	Tollev Sauar	265	Kotlin	2022-05-26 16:20:34
6	Rasmus Saame	275	Kotlin	2022-08-22 19:53:26
7	Sam Keyser	305	Kotlin	2022-11-04 21:41:55
8	Brandon Gasser	310	Kotlin	2023-02-25 04:24:48
9	Martijn Muijsers	336	Kotlin	2024-05-23 12:06:35
10	Min-Zheng Shieh	341	Kotlin	2023-02-17 12:28:51

#	User	Length	Language	Date
1	Zeheng Li	194	Lua	2023-12-12 21:51:06

#	User	Length	Language	Date
1	Benjamin Valdez	181	OCaml	2024-02-09 18:55:46
2	Anatole Leterrier	204	OCaml	2024-03-07 17:09:44

#	User	Length	Language	Date
1	Ingemar Ragnemalm	180	Pascal	2023-03-18 13:04:08

#	User	Length	Language	Date
1	Nicolai	123	Perl	2024-07-29 17:36:23

#	User	Length	Language	Date
1	Thomas Feld	30	PHP	2023-01-31 13:08:23
2	Muhammad Asyraf bin Akop	406	PHP	2022-05-13 03:44:07
3	Lukas Törnblom	446	PHP	2023-12-18 11:36:59

#	User	Length	Language	Date
1	Andriy Zyevakov	441	Prolog	2023-01-09 16:20:36

#	User	Length	Language	Date
1	Willó Corry	39	Python 3	2023-04-14 02:13:48
2	Pelle Danasten	39	Python 3	2023-04-14 02:14:43
3	David Llorens	39	Python 3	2023-08-08 22:30:46
4	Wernher To	41	Python 3	2023-02-06 16:53:14
5	Felix Köhler	43	Python 3	2022-09-07 18:51:15
6	Johan Degn	43	Python 3	2023-07-16 12:20:20
7	Clement Oh	43	Python 3	2023-10-04 03:11:57
8	Samuel Krempaský	45	Python 3	2022-11-09 15:06:59
9	Kevin Gomez	45	Python 3	2023-08-05 20:23:45
10	Jayden Pahukula	46	Python 3	2023-02-02 02:49:57

#	User	Length	Language	Date
1	Pierpaolo Bernardi	235	Racket	2024-08-12 04:47:04

#	User	Length	Language	Date
1	Thomas Feld	33	Ruby	2022-12-07 13:31:43
2	Alexander Bilde Pedersen	34	Ruby	2023-02-26 00:32:26
3	Luca Donatellis	36	Ruby	2022-11-30 19:04:26
4	David Felsager	38	Ruby	2023-07-16 12:44:10
5	Andreas Severin Hauch Trøstrup	41	Ruby	2022-08-23 18:21:39
6	Gustav Elmqvist	44	Ruby	2023-02-18 03:10:12
7	Harry Zhang	56	Ruby	2023-04-14 01:45:57
8	James Church	58	Ruby	2023-09-19 21:26:00
9	Emil Kneutgen	100	Ruby	2024-02-03 22:26:10
10	Blair Rubach	136	Ruby	2022-10-11 03:53:12

#	User	Length	Language	Date
1	Peter Panduro	167	Rust	2023-04-02 19:08:12
2	Vincent Lagerros	197	Rust	2024-06-17 22:51:26
3	Kalle Dackland	240	Rust	2023-05-21 01:10:38
4	Felix Köhler	242	Rust	2024-06-02 08:25:07
5	Millie Lægreid Solem	324	Rust	2022-11-26 17:37:01
6	Mathias Magnusson	330	Rust	2022-05-07 11:06:20
7	David Rasch	331	Rust	2022-05-26 18:57:03
8	Zachary DeStefano	332	Rust	2024-07-08 23:03:55
9	R. Sachsenweger Ballantyne	342	Rust	2022-11-08 08:05:53
10	Benjamin Sølvberg Buan	347	Rust	2022-05-10 21:02:58

#	User	Length	Language	Date
1	Robert Morelli	205	Swift	2025-02-21 01:42:31

#	User	Length	Language	Date
1	Henry Nguyen	294	TypeScript	2024-01-25 23:20:55
2	Maxwell Sloan	359	TypeScript	2023-09-15 01:24:19
3	Dushan Akalanka	648	TypeScript	2023-05-19 07:37:11
4	Hidden user	830	TypeScript	2023-04-06 12:01:22
5	Dániel Karakas	1595	TypeScript	2023-07-05 19:15:05

#	User	Length	Language	Date
1	Oleksii Ihnatenko	512	Zig	2024-03-26 23:56:29
2	Mattias Davidsson	660	Zig	2023-10-24 01:05:09

Solution running time distribution