Problem A
Class Field Trip — Problem Statistics

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Submissions	5629
Accepted submissions	3452
Submission ratio	61.33%
Authors	3134
Accepted authors	3006
Author ratio	95.92%

#	User	Runtime	Language	Date
1	Steve Allen	0.01 s	APL	2023-05-13 09:05:19
2	Max NC	0.01 s	APL	2023-09-09 15:14:22
3	Matzuka	0.01 s	APL	2025-03-18 16:05:27

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-09-04 16:00:13
2	Thomas Feld	0.01 s	Bash	2023-09-26 13:04:07
3	Hidden user	0.01 s	Bash	2023-10-01 18:53:23

#	User	Runtime	Language	Date
1	Erik Algesten	0.02 s	C#	2023-02-05 18:33:31
2	Hidden user	0.02 s	C#	2023-02-07 06:31:20
3	Fabian	0.02 s	C#	2023-02-08 09:55:49
4	Esty Crow	0.02 s	C#	2023-02-08 21:22:16
5	Anthony Ye	0.02 s	C#	2023-02-12 17:38:49
6	Aiden Bilyeu	0.02 s	C#	2023-02-13 18:35:30
7	Maria Spencer	0.02 s	C#	2023-02-14 01:46:52
8	Theodore Glenn	0.02 s	C#	2023-02-14 22:31:01
9	Daniel Cunningham	0.02 s	C#	2023-02-17 22:02:27
10	Ricardo H Guerrero Lara	0.02 s	C#	2023-02-20 20:47:17

#	User	Runtime	Language	Date
1	Tobias Glimmerfors	0.00 s	COBOL	2023-09-01 21:29:29

#	User	Runtime	Language	Date
1	yraten	0.01 s	Common Lisp	2024-04-18 10:48:32

#	User	Runtime	Language	Date
1	CharsKun	0.01 s	Dart	2023-05-26 08:45:33
2	Bobby Jonathan	0.01 s	Dart	2023-06-27 03:14:45

#	User	Runtime	Language	Date
1	Jacob To	0.07 s	F#	2023-11-15 14:52:03
2	Hidden user	0.08 s	F#	2025-02-24 22:25:03

#	User	Runtime	Language	Date
1	Diego Saldias	0.00 s	Go	2023-10-28 16:45:23
2	suka isnaini	0.00 s	Go	2023-12-02 08:30:40
3	Yousif Ibrahim	0.00 s	Go	2024-02-09 06:45:25
4	Kiki Ibrahim	0.00 s	Go	2024-06-01 16:25:38
5	Hidden user	0.00 s	Go	2024-12-12 08:41:00
6	Jimmy Nejtron	0.02 s	Go	2023-02-06 16:54:47
7	dick move	0.02 s	Go	2023-02-10 04:53:45
8	Norbert Voelker	0.02 s	Go	2023-03-03 23:52:18

#	User	Runtime	Language	Date
1	SHREYAS GIRISH JAMADAGNI	0.04 s	Java	2024-08-18 18:19:54
2	Hidden user	0.04 s	Java	2024-08-28 04:33:52
3	Yuan Yusi	0.04 s	Java	2024-09-02 08:05:20
4	Waylon Tan	0.04 s	Java	2024-09-04 15:58:10
5	PATRICK NAVIN THOMAS	0.04 s	Java	2024-09-18 07:28:28
6	Hidden user	0.04 s	Java	2024-09-20 00:11:51
7	Mohamed Faizal S/O Mohamed Jamaludeen	0.04 s	Java	2024-09-20 11:16:05
8	Liew Shuang Yuan	0.04 s	Java	2024-09-23 17:56:46
9	Choo Jun Inn Darren	0.04 s	Java	2024-09-28 10:12:08
10	javen tan kang le	0.04 s	Java	2024-09-28 14:39:02

#	User	Runtime	Language	Date
1	Faisal Rahman	0.04 s	JavaScript (Node.js)	2024-02-08 13:19:12
2	Christopher Churchwell	0.05 s	JavaScript (Node.js)	2023-11-25 08:36:10
3	Yassin Swag	0.05 s	JavaScript (Node.js)	2023-12-01 13:20:18
4	Hidden user	0.05 s	JavaScript (Node.js)	2024-07-05 22:57:15
5	Lisa Håkanson	0.09 s	JavaScript (Node.js)	2023-02-19 14:12:24
6	Alexander Park	0.09 s	JavaScript (Node.js)	2023-04-01 08:54:13

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-02-05 06:20:19
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-05 07:40:44
3	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-14 04:05:05
4	Simon Titkó	0.02 s	JavaScript (SpiderMonkey)	2023-11-23 17:52:42
5	Sofia Almroth	0.02 s	JavaScript (SpiderMonkey)	2024-05-16 14:36:55
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-10 10:01:40

#	User	Runtime	Language	Date
1	Danny Robinson	0.48 s	Julia	2023-07-01 05:13:13
2	Timothy Gaede	0.58 s	Julia	2024-03-19 00:31:21

#	User	Runtime	Language	Date
1	Jacob Huebner	0.11 s	Kotlin	2023-02-06 08:01:00
2	Reid Faistl	0.14 s	Kotlin	2023-02-04 21:21:46
3	Nicholas Johnson	0.15 s	Kotlin	2023-02-04 20:04:03
4	Ola Sundell	0.17 s	Kotlin	2023-03-15 13:26:02
5	Hidden user	0.18 s	Kotlin	2024-04-23 10:42:42
6	Troy Warmboe	0.20 s	Kotlin	2023-04-10 22:42:13
7	Emil Wihlander	0.20 s	Kotlin	2023-05-08 22:33:16
8	Zaw Myat	0.21 s	Kotlin	2024-02-03 22:52:07
9	Martijn Muijsers	0.21 s	Kotlin	2024-05-28 10:17:39
10	Deddy Chandra	0.22 s	Kotlin	2023-04-01 16:33:55

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-23 23:43:19

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2023-02-15 14:05:34
2	Ingemar Ragnemalm	0.00 s	Pascal	2023-02-25 07:36:21

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-03-29 03:40:18

#	User	Runtime	Language	Date
1	Andre Wahyudi	0.01 s	PHP	2023-03-08 05:58:56
2	Renate	0.01 s	PHP	2023-07-03 23:33:43

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-08 07:52:34
2	Andriy Zyevakov	0.02 s	Prolog	2025-01-06 13:47:05

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2023-04-05 15:09:02
2	Balamurugan M	0.02 s	Python 2	2023-07-04 16:50:40
3	Johan Lyts	0.03 s	Python 2	2023-02-07 21:58:44
4	Yanmarshus Bachtiar	0.03 s	Python 2	2023-02-15 02:27:58
5	Oliver	0.03 s	Python 2	2023-11-20 14:52:58

#	User	Runtime	Language	Date
1	Sidharth Sundar	0.04 s	Python 3	2023-02-04 20:09:08
2	Ryan Senoune	0.04 s	Python 3	2023-02-04 20:09:13
3	Anh Nguyen	0.04 s	Python 3	2023-02-04 20:09:37
4	Ethan Lu	0.04 s	Python 3	2023-02-04 20:10:56
5	mike	0.04 s	Python 3	2023-02-04 20:11:05
6	Jaydan Aladro	0.04 s	Python 3	2023-02-04 20:11:15
7	Thomas Li	0.04 s	Python 3	2023-02-04 20:11:45
8	Bo Wu	0.04 s	Python 3	2023-02-04 20:13:50
9	Blake Herrera	0.04 s	Python 3	2023-02-04 20:22:47
10	John Nguyen	0.04 s	Python 3	2023-02-04 20:26:29

#	User	Runtime	Language	Date
1	Frederik Petersen	0.05 s	Ruby	2023-03-07 15:52:01
2	Thomas Feld	0.06 s	Ruby	2023-02-06 15:31:44
3	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2023-02-24 16:59:38
4	aimee tibling rivers	0.06 s	Ruby	2023-02-24 17:06:18
5	Hakan Kjellerstrand	0.06 s	Ruby	2023-03-16 00:21:33
6	Gustav Elmqvist	0.06 s	Ruby	2023-03-20 16:08:07
7	Eugen Neagoe	0.06 s	Ruby	2023-03-30 23:21:25
8	Alexander Bilde Pedersen	0.06 s	Ruby	2023-04-03 23:52:29
9	Drew Wilson	0.06 s	Ruby	2023-05-29 21:21:02
10	Miorel Palii	0.06 s	Ruby	2023-06-13 08:16:29

#	User	Length	Language	Date
1	Steve Allen	23	APL	2023-05-13 09:05:19
2	Max NC	23	APL	2023-09-09 15:14:22
3	Matzuka	26	APL	2025-03-18 16:11:58

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 11:22:22
2	Thomas Feld	13	Bash	2023-09-28 16:08:39
3	Hidden user	24	Bash	2023-10-01 18:55:19

#	User	Length	Language	Date
1	Martin Blom	126	C	2023-09-20 14:39:05
2	Philipp Hergenhahn	229	C	2025-01-01 19:29:56
3	Jonatan Altebro	247	C	2025-04-08 10:26:28
4	arda atci	278	C	2023-02-24 02:24:42
5	Mason Anderson	311	C	2024-11-04 22:29:36
6	Colton Palmer	317	C	2023-08-10 21:54:38
7	Julian Duniec	326	C	2023-09-07 20:52:55
8	Eyleifur Bjarkason	371	C	2023-02-11 02:58:51
9	MOSHIKAA S	389	C	2025-04-11 12:57:33
10	KAMALESH SK	400	C	2025-04-18 15:53:24

#	User	Length	Language	Date
1	Gregory Sinclair	103	C#	2023-11-04 21:36:49
2	Mikael Palokangas	113	C#	2023-08-07 20:34:46
3	traxex	134	C#	2024-04-09 11:42:36
4	Theodore Glenn	158	C#	2023-02-14 22:31:01
5	Henrik Hallbert	181	C#	2023-11-27 16:29:25
6	Pontus Magnusson	185	C#	2024-03-26 23:09:43
7	Gustav Junedahl	210	C#	2023-11-01 21:31:13
8	Esty Crow	228	C#	2023-02-08 21:22:16
9	Marcus Sebastian Emil Holmgaard	282	C#	2023-07-01 21:16:06
10	Evans Stevenson	283	C#	2023-10-11 22:46:17

#	User	Length	Language	Date
1	Hidden user	103	C++	2023-10-01 18:36:56
2	Mathias Gernez	110	C++	2023-08-08 19:37:56
3	Daniel Rasmussen	129	C++	2023-04-19 20:19:11
4	Andy Li	130	C++	2023-02-04 20:21:13
5	Tyler Fernando	132	C++	2023-02-11 05:43:03
6	KRIS NATALIS	135	C++	2024-01-17 10:14:46
7	Ernest Ng Zi Xuan	141	C++	2023-02-22 19:48:52
8	Dian Satrio Prayogo	142	C++	2023-11-08 07:47:54
9	Abdullah AL Noman Thasin	142	C++	2024-02-21 23:49:00
10	Tyler Marks	148	C++	2023-02-04 20:10:35

#	User	Length	Language	Date
1	Tobias Glimmerfors	1317	COBOL	2023-09-01 21:29:29

#	User	Length	Language	Date
1	yraten	83	Common Lisp	2024-04-18 10:48:32

#	User	Length	Language	Date
1	CharsKun	307	Dart	2023-05-26 08:45:33
2	Bobby Jonathan	1241	Dart	2023-06-27 03:14:45

#	User	Length	Language	Date
1	Jacob To	203	F#	2023-11-15 14:52:03
2	Hidden user	246	F#	2025-02-24 22:25:03

#	User	Length	Language	Date
1	Diego Saldias	345	Go	2023-10-28 16:45:23
2	Norbert Voelker	368	Go	2023-03-03 23:52:18
3	dick move	385	Go	2023-02-10 04:53:45
4	suka isnaini	400	Go	2023-12-02 08:30:40
5	Kiki Ibrahim	588	Go	2024-06-01 16:25:38
6	Hidden user	588	Go	2024-12-12 08:41:00
7	Jimmy Nejtron	618	Go	2023-02-06 16:54:47
8	Yousif Ibrahim	737	Go	2024-02-09 06:45:25

#	User	Length	Language	Date
1	John Doe	48	Haskell	2023-04-18 16:19:54
2	Rudy Matela	48	Haskell	2023-09-12 10:41:40
3	Brent Yorgey	48	Haskell	2023-02-05 15:05:31
4	Øyvind Almli	57	Haskell	2023-08-25 13:14:45
5	Steinar Simonnes	63	Haskell	2023-05-29 19:48:48
6	Daniel Cabral	72	Haskell	2023-06-06 20:33:56
7	Hussein Taher	87	Haskell	2023-04-15 16:26:42
8	Mason Barnhill	94	Haskell	2023-09-01 19:37:10
9	Gustav Nilsson Gisleskog	101	Haskell	2023-02-18 12:32:10
10	Sebastian Banert	101	Haskell	2023-04-01 12:00:00

#	User	Length	Language	Date
1	Lim Ting Kai	250	Java	2023-05-30 13:16:24
2	Kevin Kauffman	252	Java	2023-02-25 06:32:00
3	eti2	260	Java	2024-02-09 14:50:05
4	Marc Dominic San Pedro	262	Java	2023-05-02 10:00:50
5	Le Minh Hoang	264	Java	2024-09-30 19:53:03
6	Brennan Cleland	298	Java	2023-02-12 21:08:32
7	Amanda Rose Riley	299	Java	2024-12-30 20:49:02
8	Thomas King	304	Java	2024-06-21 17:06:20
9	Cory Haas	308	Java	2023-04-12 13:33:49
10	Brady Graham	313	Java	2024-02-03 17:40:06

#	User	Length	Language	Date
1	Hidden user	300	JavaScript (Node.js)	2023-02-05 18:40:55
2	Faisal Rahman	301	JavaScript (Node.js)	2024-02-08 13:19:12
3	Christopher Churchwell	303	JavaScript (Node.js)	2023-11-25 08:36:10
4	Lisa Håkanson	331	JavaScript (Node.js)	2023-02-19 14:12:24
5	Yassin Swag	620	JavaScript (Node.js)	2023-12-01 13:20:18
6	Alexander Park	741	JavaScript (Node.js)	2023-04-01 08:54:13

#	User	Length	Language	Date
1	Christian Cederquist	47	JavaScript (SpiderMonkey)	2023-02-05 07:40:44
2	Jimmy Gustafsson	53	JavaScript (SpiderMonkey)	2024-06-10 10:01:40
3	Simon Titkó	60	JavaScript (SpiderMonkey)	2023-11-23 17:52:42
4	Zach Tschetter	83	JavaScript (SpiderMonkey)	2023-04-14 04:05:05
5	Bjørn Chr. Soltvedt	87	JavaScript (SpiderMonkey)	2023-02-05 06:20:19
6	Sofia Almroth	333	JavaScript (SpiderMonkey)	2024-05-16 14:36:55

#	User	Length	Language	Date
1	Danny Robinson	43	Julia	2023-07-01 05:13:13
2	Timothy Gaede	231	Julia	2024-03-19 00:31:21

#	User	Length	Language	Date
1	Troy Warmboe	92	Kotlin	2023-04-10 22:42:13
2	Hamdanil Rasyid	113	Kotlin	2025-04-01 02:41:14
3	Deddy Chandra	155	Kotlin	2023-04-01 16:33:55
4	Zaw Myat	168	Kotlin	2024-02-03 22:52:07
5	Emil Wihlander	178	Kotlin	2023-05-08 22:33:16
6	Ola Sundell	357	Kotlin	2023-03-15 13:26:02
7	Adam Rankin	416	Kotlin	2023-04-23 03:26:10
8	Martijn Muijsers	462	Kotlin	2024-05-28 10:17:39
9	Jacob Huebner	578	Kotlin	2023-02-06 08:01:00
10	Hidden user	610	Kotlin	2024-04-23 10:42:42

#	User	Length	Language	Date
1	Hidden user	409	Odin	2025-04-23 23:43:19

#	User	Length	Language	Date
1	Ingemar Ragnemalm	414	Pascal	2023-02-25 07:36:21
2	David Connolly	633	Pascal	2023-02-15 14:05:34

#	User	Length	Language	Date
1	Saito Ta	36	Perl	2024-03-29 03:40:18

#	User	Length	Language	Date
1	Andre Wahyudi	371	PHP	2023-03-08 05:58:56
2	Renate	510	PHP	2023-07-03 23:33:43

#	User	Length	Language	Date
1	Hakan Kjellerstrand	97	Prolog	2023-03-16 00:17:43
2	Andriy Zyevakov	1079	Prolog	2025-01-06 13:47:05

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	58	Python 2	2023-02-15 02:27:58
2	Johan Lyts	85	Python 2	2023-02-07 21:58:44
3	Hasan Kalzi	282	Python 2	2023-04-05 15:09:02
4	Balamurugan M	284	Python 2	2023-07-04 16:50:40
5	Oliver	299	Python 2	2023-11-20 14:52:58

#	User	Length	Language	Date
1	Clement Oh	37	Python 3	2023-05-15 05:58:46
2	Erik Heimdal	38	Python 3	2023-04-02 14:08:22
3	Daniel Keyes	38	Python 3	2023-04-20 01:00:19
4	Błażej Dariusz Roszkowski	38	Python 3	2023-05-22 21:40:01
5	Samuel McDowell	38	Python 3	2024-09-30 23:49:06
6	William James Eves	38	Python 3	2024-09-30 23:49:22
7	..	38	Python 3	2025-01-04 12:25:13
8	Jaydan Aladro	38	Python 3	2023-02-05 17:21:14
9	Morten Clausen	38	Python 3	2023-02-10 16:03:07
10	Lee Isaac	38	Python 3	2023-02-15 13:28:56

#	User	Length	Language	Date
1	Thomas Feld	22	Ruby	2023-02-06 15:34:44
2	Frederik Petersen	25	Ruby	2023-03-07 15:52:01
3	Andreas Severin Hauch Trøstrup	25	Ruby	2023-02-24 17:01:19
4	Hakan Kjellerstrand	28	Ruby	2023-03-16 00:21:33
5	Gustav Elmqvist	29	Ruby	2023-03-20 16:50:04
6	Alexander Bilde Pedersen	32	Ruby	2023-04-03 23:52:29
7	Drew Wilson	46	Ruby	2023-05-29 21:21:02
8	Miorel Palii	52	Ruby	2023-06-13 08:16:29
9	Eugen Neagoe	64	Ruby	2023-03-30 23:23:18
10	aimee tibling rivers	109	Ruby	2023-02-24 17:06:18

#	User	Length	Language	Date
1	Vincent Lagerros	114	Rust	2024-11-10 16:50:35
2	Thomas	296	Rust	2023-05-31 20:28:50
3	Pankajkumar Patro	309	Rust	2024-07-28 21:55:54
4	David Rasch	346	Rust	2023-02-15 16:25:18
5	Aza Maulana Hadi	359	Rust	2024-03-12 17:03:08
6	Bas Dirks	374	Rust	2023-04-01 09:24:57
7	Nikoline Olander Rasmussen	394	Rust	2023-03-24 16:11:45
8	Simon Grünwald	395	Rust	2023-07-11 00:47:01
9	Jim Ryan	435	Rust	2023-12-07 20:20:04
10	David Vinje	450	Rust	2023-07-31 11:52:23

Solution running time distribution