Problem A
Above Sea Level — Problem Statistics

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Submissions	1776
Accepted submissions	1041
Submission ratio	58.61%
Authors	988
Full solves [?]	965
Full solve Ratio	97.67%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2025-08-26 23:27:58

#	User	Runtime	Language	Date
1	Matzuka	0.01 s	APL	2025-09-01 19:48:34

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2025-09-07 23:17:23
2	Chenzhang Hu	0.07 s	Bash	2025-09-12 22:52:21

#	User	Runtime	Language	Date
1	Deci Bel	0.05 s	C#	2025-08-17 22:33:25
2	Dennis Stegnell	0.05 s	C#	2025-08-27 17:27:50
3	Nicholas Hood	0.05 s	C#	2025-09-02 01:39:15
4	Miguel Páez (m4p9)	0.05 s	C#	2025-11-05 20:47:44
5	Գոռ Բաղդասարյան	0.05 s	C#	2025-11-11 12:20:59
6	William Anton Madsen	0.05 s	C#	2025-11-17 10:10:09
7	Magnus Krogh	0.05 s	C#	2025-11-20 11:39:51
8	Tonny Abrahamsson	0.05 s	C#	2025-11-21 00:16:40
9	Michael Utecht	0.05 s	C#	2026-01-18 02:25:33
10	Freek van Keulen	0.06 s	C#	2025-09-03 16:01:05

#	User	Runtime	Language	Date
1	John Hershey	0.01 s	Common Lisp	2025-08-29 16:46:59
2	Kevin Gomez	0.01 s	Common Lisp	2025-11-27 07:05:54

#	User	Runtime	Language	Date
1	Mehrshad Kavousi	0.00 s	Crystal	2025-12-30 15:35:12

#	User	Runtime	Language	Date
1	Søren Gyldenlev	0.09 s	F#	2025-09-30 23:25:47

#	User	Runtime	Language	Date
1	屏翰 张	0.07 s	Gerbil	2025-11-02 07:50:38

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2025-08-31 20:38:07
2	Jimmy Nejtron	0.00 s	Go	2025-09-03 19:30:27
3	JustForTest	0.00 s	Go	2025-09-08 06:57:19
4	Dylan	0.00 s	Go	2025-09-23 22:22:31
5	asdfghjkl	0.00 s	Go	2025-11-25 11:28:53
6	Christoph H	0.00 s	Go	2025-11-30 11:59:23

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2025-08-23 17:57:49
2	Brent Yorgey	0.00 s	Haskell	2025-08-28 05:00:50
3	Juan Miguel Vilar	0.00 s	Haskell	2025-09-12 11:57:29
4	Daniel Cabral	0.00 s	Haskell	2025-11-04 05:02:39

#	User	Runtime	Language	Date
1	Markus Bao	0.04 s	Java	2025-08-23 06:12:57
2	Ranjith M	0.04 s	Java	2025-10-13 05:09:47
3	Nicole Huerfano Cifuentes	0.04 s	Java	2025-11-05 20:05:44
4	Colombian Collegiate Programming League	0.04 s	Java	2025-11-05 21:06:27
5	Love Zentio	0.04 s	Java	2025-12-20 05:15:25
6	Eira	0.08 s	Java	2025-09-01 18:19:05
7	Emil Kennet Nørgaard	0.08 s	Java	2025-09-22 15:36:12
8	TobiasZ	0.08 s	Java	2025-10-19 08:32:05
9	end of line	0.08 s	Java	2025-11-05 20:48:55
10	Hidden user	0.08 s	Java	2025-11-17 12:38:57

#	User	Runtime	Language	Date
1	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-10-09 14:45:38
2	Hidden user	0.04 s	JavaScript (Node.js)	2025-11-25 20:15:46
3	Elaica Dela Cruz	0.04 s	JavaScript (Node.js)	2026-01-26 06:08:35
4	Josh Lynch	0.05 s	JavaScript (Node.js)	2025-12-10 03:36:39
5	Emma Carter	0.09 s	JavaScript (Node.js)	2023-04-29 18:35:30

#	User	Runtime	Language	Date
1	Shae Roozing	0.02 s	JavaScript (SpiderMonkey)	2023-04-29 18:19:30
2	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 17:03:50
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-08-15 07:32:12
4	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-08-19 22:43:27
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-09-03 09:54:42

#	User	Runtime	Language	Date
1	Timothy Gaede	0.29 s	Julia	2025-08-14 06:14:53

#	User	Runtime	Language	Date
1	Luka Chabot	0.20 s	Kotlin	2025-11-25 09:25:50
2	Adam Rankin	0.20 s	Kotlin	2026-01-11 20:40:27

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2025-08-15 08:27:42
2	Kelium Jojoa	0.00 s	Lua	2025-11-04 03:55:29

#	User	Runtime	Language	Date
1	Alfred Morgan	0.00 s	Nim	2025-10-27 06:12:15

#	User	Runtime	Language	Date
1	Martha Kosa	0.00 s	OCaml	2025-11-15 05:16:09
2	Jakob Rødal Skaar	0.00 s	OCaml	2025-12-18 14:23:32
3	Sebastian Banert	0.00 s	OCaml	2026-01-19 00:42:06

#	User	Runtime	Language	Date
1	屏翰 张	0.00 s	Odin	2025-11-08 16:04:18

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2025-09-07 07:22:52
2	David Connolly	0.00 s	Pascal	2025-09-08 12:11:05

#	User	Runtime	Language	Date
1	Thomas Feld	0.00 s	Perl	2025-08-19 10:57:04
2	Chenzhang Hu	0.00 s	Perl	2025-09-23 18:18:10
3	J Sotomayor	0.00 s	Perl	2025-11-05 19:28:22

#	User	Runtime	Language	Date
1	KALAJAYANTHI M	0.07 s	Python 2	2025-09-22 18:37:23
2	Graham Palmer	0.07 s	Python 2	2025-11-02 09:49:03
3	Gunnsteinn Þór Ólason	0.07 s	Python 2	2025-11-04 14:15:21
4	Karla Silva De Gyves	0.07 s	Python 2	2025-11-28 20:28:22

#	User	Runtime	Language	Date
1	Everett Wilkinson	0.04 s	Python 3	2023-04-29 18:16:31
2	Declan Mahoney	0.04 s	Python 3	2023-04-29 18:18:43
3	Carson Ayers	0.04 s	Python 3	2023-04-29 18:46:19
4	Case Hurly	0.04 s	Python 3	2023-04-29 19:08:54
5	Jey Veerasamy	0.04 s	Python 3	2025-08-14 07:01:47
6	Mack Wong Yoong Yee	0.04 s	Python 3	2025-08-14 07:31:30
7	Hrant Hovhannisyan	0.04 s	Python 3	2025-08-14 08:02:07
8	Ahmed Chamseddine	0.04 s	Python 3	2025-08-14 12:01:19
9	Simen Sørensen	0.04 s	Python 3	2025-08-14 14:52:33
10	Yong Mao	0.04 s	Python 3	2025-08-15 04:59:29

#	User	Runtime	Language	Date
1	Eugen Neagoe	0.06 s	Ruby	2026-01-17 05:32:23
2	Will Killian	0.07 s	Ruby	2025-08-30 05:37:32
3	Russell Ng	0.07 s	Ruby	2025-09-09 07:27:24
4	Chenzhang Hu	0.12 s	Ruby	2025-09-22 14:01:03

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.04 s	Visual Basic	2025-11-02 16:05:27

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-10-25 18:07:07

#	User	Length	Language	Date
1	Sebastian Banert	172	Ada	2025-08-26 23:27:58

#	User	Length	Language	Date
1	Matzuka	27	APL	2025-09-01 19:48:34

#	User	Length	Language	Date
1	Chenzhang Hu	19	Bash	2025-09-13 17:09:28
2	Danny Robinson	30	Bash	2025-09-07 23:17:23

#	User	Length	Language	Date
1	Jonatan Altebro	72	C	2025-08-22 17:37:51
2	Martin Blom	73	C	2025-09-22 16:28:03
3	Isac Lennartsson	89	C	2025-10-25 14:16:30
4	Weshen	90	C	2025-09-02 18:16:37
5	Finn Uddling	91	C	2025-09-20 15:35:50
6	Elijah Gilliam	94	C	2025-08-28 18:26:04
7	Eyleifur Bjarkason	97	C	2025-10-20 18:26:38
8	Raphael Alexander	100	C	2025-10-15 05:14:27
9	Bergur Snorrason	102	C	2025-11-13 09:12:20
10	Oliver Noreklev	105	C	2025-09-22 15:24:54

#	User	Length	Language	Date
1	Deci Bel	84	C#	2025-08-17 22:33:25
2	Freek van Keulen	93	C#	2025-09-03 16:01:05
3	Tonny Abrahamsson	93	C#	2025-11-21 00:16:40
4	Magnus Krogh	156	C#	2025-11-20 11:39:51
5	William Anton Madsen	176	C#	2025-11-17 10:10:09
6	Գոռ Բաղդասարյան	180	C#	2025-11-11 12:20:59
7	Mark Nickelsen	190	C#	2025-11-12 15:10:16
8	Miguel Páez (m4p9)	220	C#	2025-11-05 20:47:44
9	Michael Utecht	231	C#	2026-01-18 02:25:33
10	Nicholas Hood	287	C#	2025-09-02 01:39:15

#	User	Length	Language	Date
1	Frans Meulenbroeks	65	C++	2026-01-28 12:33:09
2	Manuel De la Cruz	66	C++	2025-09-02 18:32:43
3	Sven Rönnbäck	82	C++	2025-08-16 17:37:39
4	Mic Rey	90	C++	2025-08-15 11:47:38
5	Brilliant Misalayuk	91	C++	2026-01-10 08:28:04
6	Mathias Gernez	94	C++	2025-10-14 00:15:12
7	Abrar Maulana	94	C++	2025-11-13 10:26:33
8	Niall Green	95	C++	2026-01-17 23:58:47
9	Caiden Quinlivan	97	C++	2025-10-15 18:15:46
10	Bui Phuong Nam	100	C++	2025-08-22 17:07:56

#	User	Length	Language	Date
1	John Hershey	18	Common Lisp	2025-08-29 16:47:23
2	Kevin Gomez	18	Common Lisp	2025-11-27 07:05:54

#	User	Length	Language	Date
1	Mehrshad Kavousi	29	Crystal	2025-12-30 15:35:12

#	User	Length	Language	Date
1	Søren Gyldenlev	60	F#	2025-09-30 23:25:47

#	User	Length	Language	Date
1	屏翰 张	61	Gerbil	2025-11-02 07:50:38

#	User	Length	Language	Date
1	Jimmy Nejtron	98	Go	2025-09-03 19:30:27
2	Christoph H	102	Go	2025-11-30 11:59:23
3	Norbert Voelker	134	Go	2025-08-31 20:38:07
4	JustForTest	135	Go	2025-09-08 06:57:19
5	asdfghjkl	147	Go	2025-11-25 11:28:53
6	Dylan	250	Go	2025-09-23 22:22:31

#	User	Length	Language	Date
1	Juan Miguel Vilar	49	Haskell	2025-09-12 11:57:29
2	Steinar Simonnes	103	Haskell	2025-08-23 17:57:49
3	Daniel Cabral	175	Haskell	2025-11-04 05:02:39
4	Brent Yorgey	185	Haskell	2025-08-28 05:00:50

#	User	Length	Language	Date
1	Lincoln Craddock	108	Java	2025-09-09 19:42:21
2	Michael Wright	172	Java	2025-09-02 18:11:43
3	wyatt wilson	186	Java	2025-11-11 20:22:00
4	Joseph Lindsley	191	Java	2025-08-28 04:54:30
5	Lane Braus	204	Java	2026-01-16 00:50:51
6	Thomas Anung Basuki	205	Java	2025-08-19 03:28:33
7	Malte Sauerland-Paulsen	208	Java	2025-09-22 21:24:42
8	Hidden user	208	Java	2025-11-14 15:54:15
9	Ross Esslinger	209	Java	2025-09-10 23:33:45
10	Tripp	212	Java	2026-01-29 17:05:48

#	User	Length	Language	Date
1	Erlend Raa Vågset	82	JavaScript (Node.js)	2025-10-09 14:45:38
2	Elaica Dela Cruz	154	JavaScript (Node.js)	2026-01-26 06:08:35
3	Emma Carter	214	JavaScript (Node.js)	2023-04-29 18:35:30
4	Josh Lynch	302	JavaScript (Node.js)	2025-12-10 03:36:39
5	Hidden user	510	JavaScript (Node.js)	2025-11-25 20:15:46

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	20	JavaScript (SpiderMonkey)	2025-08-14 17:04:13
2	Christian Pilegaard Cederquist	20	JavaScript (SpiderMonkey)	2025-08-15 07:32:12
3	Jimmy Gustafsson	20	JavaScript (SpiderMonkey)	2025-09-03 09:54:42
4	Ben Armstrong	28	JavaScript (SpiderMonkey)	2025-08-19 22:43:27
5	Shae Roozing	60	JavaScript (SpiderMonkey)	2023-04-29 18:19:30

#	User	Length	Language	Date
1	Timothy Gaede	104	Julia	2025-08-14 06:14:53

#	User	Length	Language	Date
1	Adam Rankin	52	Kotlin	2026-01-11 20:40:27
2	Luka Chabot	67	Kotlin	2025-11-25 09:25:50

#	User	Length	Language	Date
1	Zeheng Li	23	Lua	2025-08-15 08:27:42
2	Kelium Jojoa	44	Lua	2025-11-04 03:55:29

#	User	Length	Language	Date
1	Alfred Morgan	62	Nim	2025-10-27 06:12:15

#	User	Length	Language	Date
1	Jakob Rødal Skaar	35	OCaml	2025-12-18 14:23:32
2	Martha Kosa	44	OCaml	2025-11-15 05:16:09
3	Sebastian Banert	79	OCaml	2026-01-19 00:42:06

#	User	Length	Language	Date
1	屏翰 张	1374	Odin	2025-11-08 16:04:18

#	User	Length	Language	Date
1	Ingemar Ragnemalm	85	Pascal	2025-09-07 07:22:52
2	David Connolly	91	Pascal	2025-09-08 12:11:05

#	User	Length	Language	Date
1	Chenzhang Hu	6	Perl	2025-09-14 18:09:54
2	Thomas Feld	6	Perl	2025-09-16 16:03:35
3	J Sotomayor	12	Perl	2025-11-05 19:28:22

#	User	Length	Language	Date
1	Gunnsteinn Þór Ólason	17	Python 2	2025-11-04 14:15:21
2	Graham Palmer	43	Python 2	2025-11-02 09:49:03
3	Karla Silva De Gyves	67	Python 2	2025-11-28 20:28:22
4	KALAJAYANTHI M	197	Python 2	2025-09-22 18:37:23

#	User	Length	Language	Date
1	Sander Oppen	23	Python 3	2025-08-18 15:17:52
2	Nicholas Russell Saerang	23	Python 3	2025-08-22 11:49:25
3	Lasse Letager Hansen	23	Python 3	2025-08-25 12:03:35
4	Marshall D Feng	23	Python 3	2025-08-30 05:52:29
5	Daniel Bogorad	23	Python 3	2025-09-13 02:08:52
6	June Hoop	23	Python 3	2025-09-17 18:58:38
7	Kevin Gomez	23	Python 3	2025-11-27 07:05:13
8	Everett Wilkinson	24	Python 3	2023-04-29 18:16:31
9	Ahmed Chamseddine	24	Python 3	2025-08-14 12:01:19
10	Zeheng Li	24	Python 3	2025-08-15 08:27:09

#	User	Length	Language	Date
1	Russell Ng	15	Ruby	2025-09-09 07:27:24
2	Will Killian	18	Ruby	2025-08-30 05:37:32
3	Eugen Neagoe	28	Ruby	2026-01-17 05:32:23
4	Chenzhang Hu	121	Ruby	2025-09-22 14:01:03

#	User	Length	Language	Date
1	Emil Dichmann	153	Rust	2025-08-21 15:36:39
2	Vincent Lagerros	176	Rust	2025-08-15 14:59:15
3	Pankajkumar Patro	185	Rust	2025-09-05 14:50:50
4	David Rasch	187	Rust	2025-08-25 16:36:45
5	Nathaniel Risum	194	Rust	2025-08-21 13:55:20
6	Calvin Gross	212	Rust	2025-10-24 17:38:03
7	August Lind	216	Rust	2026-01-01 21:00:47
8	Henrik Josefsson	218	Rust	2025-12-01 13:17:56
9	Isak Jägberg	221	Rust	2025-12-14 17:53:47
10	Rasmus Melin	246	Rust	2026-01-21 15:51:33

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	77	Visual Basic	2025-11-02 16:05:27

#	User	Length	Language	Date
1	Grettir Heimisson	1643	Zig	2025-10-25 18:07:07

Solution running time distribution