Problem D
Flatter Land — Problem Statistics

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Submissions	1744
Accepted submissions	1259
Submission ratio	72.19%
Authors	1165
Full solves [?]	1149
Full solve Ratio	98.63%

#	User	Runtime	Language	Date
1	Matzuka	0.01 s	APL	2025-09-01 10:35:19
2	Ștefan-Iulian Alecu	0.01 s	APL	2025-11-15 01:10:49

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2025-09-07 22:26:56
2	Chenzhang Hu	0.01 s	Bash	2025-09-12 15:32:18
3	Frans Meulenbroeks	0.01 s	Bash	2026-01-28 12:16:36

#	User	Runtime	Language	Date
1	Deci Bel	0.04 s	C#	2025-08-17 11:22:43
2	Jonas Bergling	0.04 s	C#	2025-08-22 10:56:53
3	Maureen De la fuente	0.04 s	C#	2025-08-24 20:38:22
4	Nicholas Hood	0.04 s	C#	2025-09-02 01:26:11
5	Freek van Keulen	0.04 s	C#	2025-09-03 15:52:39
6	Pokeheart (Pokeheart)	0.04 s	C#	2025-09-15 13:24:36
7	Cory Kalm	0.04 s	C#	2025-09-18 15:33:24
8	Hidden user	0.04 s	C#	2025-10-05 18:26:07
9	Aiden Roth	0.04 s	C#	2025-10-21 15:39:26
10	Just User	0.04 s	C#	2025-10-27 16:34:35

#	User	Runtime	Language	Date
1	Sebastian Banert	0.01 s	Common Lisp	2025-08-22 15:25:18
2	J Sotomayor	0.01 s	Common Lisp	2025-09-29 18:49:46
3	Kevin Gomez	0.01 s	Common Lisp	2025-11-26 00:36:03

#	User	Runtime	Language	Date
1	dick move	0.00 s	Crystal	2025-10-13 16:48:45
2	Mehrshad Kavousi	0.00 s	Crystal	2025-12-29 02:22:31

#	User	Runtime	Language	Date
1	Niels Áki Mørk	0.08 s	F#	2025-09-13 14:55:54

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.00 s	Go	2025-08-14 16:36:02
2	Norbert Voelker	0.00 s	Go	2025-08-31 20:44:45
3	Dylan	0.00 s	Go	2025-09-09 22:33:50
4	Hidden user	0.00 s	Go	2025-10-09 19:10:09
5	Christoph H	0.00 s	Go	2025-11-28 10:18:21
6	Andini Anissa	0.00 s	Go	2025-12-14 12:55:34

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2025-08-18 11:55:20
2	Brent Yorgey	0.00 s	Haskell	2025-08-28 05:02:54
3	Juan Miguel Vilar	0.00 s	Haskell	2025-09-11 12:20:19
4	Brian Hwang	0.00 s	Haskell	2025-09-12 21:29:42
5	Pathompong Kwangtong	0.00 s	Haskell	2025-09-25 15:08:36
6	Fabian Mitterwallner	0.00 s	Haskell	2025-10-23 01:05:22
7	Herdi Saleh	0.00 s	Haskell	2025-10-27 16:12:05
8	Daniel Cabral	0.00 s	Haskell	2025-11-04 04:35:04
9	Morten Lohne	0.00 s	Haskell	2025-11-12 10:22:08

#	User	Runtime	Language	Date
1	Markus Bao	0.04 s	Java	2025-08-19 20:02:26
2	Sean Pettas	0.04 s	Java	2025-10-24 16:38:09
3	Lee Heng Sheng	0.04 s	Java	2025-11-09 07:11:56
4	pothyne	0.04 s	Java	2026-01-25 22:14:30
5	Julius Griebel	0.04 s	Java	2026-02-23 00:05:19
6	Rayhan Zirvi	0.06 s	Java	2021-02-12 20:08:25
7	Marit van Dijk	0.08 s	Java	2025-08-17 12:39:23
8	Luke Tan	0.08 s	Java	2025-08-18 12:52:37
9	Thomas Anung Basuki	0.08 s	Java	2025-08-19 02:30:40
10	Hunter Mullen	0.08 s	Java	2025-08-19 03:20:46

#	User	Runtime	Language	Date
1	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-09-30 12:51:06
2	Carl Emil Zeidler	0.04 s	JavaScript (Node.js)	2025-10-24 17:36:49
3	Gabriel Hofer	0.04 s	JavaScript (Node.js)	2025-11-18 00:16:29
4	Hidden user	0.04 s	JavaScript (Node.js)	2025-11-24 20:47:19

#	User	Runtime	Language	Date
1	Tim McDonald	0.02 s	JavaScript (SpiderMonkey)	2020-04-25 20:02:59
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 07:07:01
3	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 11:45:31
4	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 18:45:55
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-09-03 09:50:26
6	Phuong Quang Nguyen	0.02 s	JavaScript (SpiderMonkey)	2025-09-12 10:54:33
7	Le Tri Dinh	0.02 s	JavaScript (SpiderMonkey)	2025-09-12 10:56:16

#	User	Runtime	Language	Date
1	Danny Robinson	0.36 s	Julia	2025-09-07 22:28:28
2	Timothy Gaede	0.42 s	Julia	2025-08-14 04:45:56

#	User	Runtime	Language	Date
1	Luka Chabot	0.20 s	Kotlin	2025-09-09 09:00:27
2	Younes Harichane Merrouche	0.20 s	Kotlin	2025-10-02 12:00:26
3	Bellameche Yanis	0.20 s	Kotlin	2025-11-18 08:19:19
4	Adam Rankin	0.20 s	Kotlin	2026-01-11 20:35:20
5	Sofie Meta Schroeder	0.23 s	Kotlin	2025-10-24 16:45:42
6	Chris Johnson	0.23 s	Kotlin	2026-02-02 22:47:34

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2025-08-14 06:36:35
2	Trevor	0.00 s	Lua	2025-10-06 01:30:48
3	Kelium Jojoa	0.00 s	Lua	2025-11-04 03:28:20

#	User	Runtime	Language	Date
1	Nino Bašić	0.00 s	Nim	2025-09-17 14:43:57
2	Hidden user	0.00 s	Nim	2025-09-26 19:50:12
3	Alfred Morgan	0.00 s	Nim	2025-10-24 02:48:58

#	User	Runtime	Language	Date
1	Martha Kosa	0.00 s	OCaml	2025-10-30 03:34:37

#	User	Runtime	Language	Date
1	Cian Curtis	0.00 s	Pascal	2025-08-29 00:02:36
2	Ingemar Ragnemalm	0.00 s	Pascal	2025-09-06 15:25:42

#	User	Runtime	Language	Date
1	Thomas Feld	0.00 s	Perl	2025-09-17 15:52:54
2	Chenzhang Hu	0.00 s	Perl	2025-09-24 13:33:09
3	Jonas Ryssel	0.00 s	Perl	2025-10-24 17:24:15

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2026-02-15 18:59:07

#	User	Runtime	Language	Date
1	Sivasankaran D	0.07 s	Python 2	2025-08-17 14:29:03
2	KALAJAYANTHI M	0.07 s	Python 2	2025-09-21 07:39:05
3	DHARSHINI M	0.07 s	Python 2	2025-10-13 18:23:21
4	Gunnsteinn Þór Ólason	0.07 s	Python 2	2025-11-19 10:35:41

#	User	Runtime	Language	Date
1	Jey Veerasamy	0.04 s	Python 3	2025-08-14 06:08:32
2	Mack Wong Yoong Yee	0.04 s	Python 3	2025-08-14 06:35:25
3	Zeheng Li	0.04 s	Python 3	2025-08-14 06:36:06
4	Hrant Hovhannisyan	0.04 s	Python 3	2025-08-14 07:13:48
5	Ahmed Chamseddine	0.04 s	Python 3	2025-08-14 10:37:47
6	Simen Sørensen	0.04 s	Python 3	2025-08-14 13:32:45
7	Bjørn Dons	0.04 s	Python 3	2025-08-14 20:43:45
8	Yong Mao	0.04 s	Python 3	2025-08-14 23:27:45
9	Liam Keliher	0.04 s	Python 3	2025-08-15 00:35:37
10	Jason Clarke	0.04 s	Python 3	2025-08-15 13:19:08

#	User	Runtime	Language	Date
1	Ayush Biswas	0.38 s	Racket	2025-10-22 07:43:30

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-08-19 10:08:17
2	Þorsteinn Sævar Kristjánsson	0.06 s	Ruby	2025-10-01 11:52:10
3	Alexander Bilde Pedersen	0.06 s	Ruby	2025-10-24 16:17:41
4	Bryce Kline	0.06 s	Ruby	2026-02-02 22:59:30
5	Russell Ng	0.07 s	Ruby	2025-08-14 16:27:34
6	Liam Spillane	0.07 s	Ruby	2025-08-29 00:06:39
7	Frederik Petersen	0.07 s	Ruby	2025-09-18 08:40:29
8	Eugen Neagoe	0.07 s	Ruby	2026-01-17 05:14:15

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.04 s	Visual Basic	2025-11-02 04:28:43

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-10-20 21:53:48

#	User	Length	Language	Date
1	Matzuka	18	APL	2025-09-01 10:38:43
2	Ștefan-Iulian Alecu	18	APL	2025-11-15 01:10:49

#	User	Length	Language	Date
1	Chenzhang Hu	19	Bash	2025-09-12 15:32:18
2	Danny Robinson	28	Bash	2025-09-07 22:26:56
3	Frans Meulenbroeks	32	Bash	2026-01-28 12:16:36

#	User	Length	Language	Date
1	Martin Blom	78	C	2025-09-17 15:10:26
2	Einar Helgi Doruson	78	C	2026-02-23 16:01:35
3	Jonatan Altebro	79	C	2025-08-22 17:34:24
4	Sven Rönnbäck	97	C	2025-08-16 11:19:17
5	KEERTHIRAJ G	98	C	2025-12-12 06:20:32
6	abdelhakim18	98	C	2025-12-27 21:08:21
7	Thunder	103	C	2026-01-11 14:51:42
8	Sebastian Banert	108	C	2025-08-22 15:09:03
9	Eyleifur Bjarkason	109	C	2025-09-24 17:11:32
10	Finn Uddling	109	C	2025-09-27 13:39:39

#	User	Length	Language	Date
1	Deci Bel	125	C#	2025-08-17 11:22:43
2	Freek van Keulen	126	C#	2025-09-03 15:52:39
3	Tonny Abrahamsson	137	C#	2025-11-13 20:32:17
4	Sam Anderson	150	C#	2025-12-22 22:04:30
5	Mark Nickelsen	195	C#	2025-11-09 18:08:18
6	Pokeheart (Pokeheart)	223	C#	2025-09-15 13:24:36
7	Just User	233	C#	2025-10-27 16:34:35
8	Michael Utecht	237	C#	2026-01-17 23:04:36
9	Գոռ Բաղդասարյան	251	C#	2025-11-07 16:07:51
10	Maureen De la fuente	284	C#	2025-08-24 20:38:22

#	User	Length	Language	Date
1	Shiroy Sattur	82	C++	2025-08-15 04:15:40
2	Kerk Tai Heng	95	C++	2025-12-03 17:53:31
3	Le Hoang Vu	96	C++	2025-09-23 16:44:06
4	Ralf Merhof	99	C++	2026-02-14 16:35:02
5	Hidden user	101	C++	2025-09-23 13:55:00
6	Vedika Yogesh	101	C++	2026-01-14 16:55:27
7	Niall Green	101	C++	2026-01-17 22:59:16
8	Bảo Đoan	102	C++	2025-09-01 12:26:56
9	Constantin Ungureanu	102	C++	2025-10-01 18:49:39
10	Mathias Gernez	102	C++	2025-10-09 17:18:35

#	User	Length	Language	Date
1	Kevin Gomez	26	Common Lisp	2025-11-26 00:36:03
2	J Sotomayor	30	Common Lisp	2025-09-29 18:49:46
3	Sebastian Banert	70	Common Lisp	2025-08-22 15:25:18

#	User	Length	Language	Date
1	dick move	48	Crystal	2025-10-13 16:48:45
2	Mehrshad Kavousi	62	Crystal	2025-12-29 02:22:31

#	User	Length	Language	Date
1	Niels Áki Mørk	224	F#	2025-09-13 14:55:54

#	User	Length	Language	Date
1	Hidden user	109	Go	2025-10-09 19:10:09
2	Christoph H	115	Go	2025-11-28 10:18:21
3	Jimmy Nejtron	130	Go	2025-08-14 16:36:02
4	Norbert Voelker	139	Go	2025-08-31 20:44:45
5	Andini Anissa	178	Go	2025-12-14 12:55:34
6	Dylan	292	Go	2025-09-09 22:33:50

#	User	Length	Language	Date
1	Fabian Mitterwallner	39	Haskell	2025-10-23 01:06:19
2	Herdi Saleh	50	Haskell	2025-10-27 16:12:05
3	Juan Miguel Vilar	51	Haskell	2025-09-11 12:20:19
4	Morten Lohne	79	Haskell	2025-11-12 10:22:08
5	Steinar Simonnes	95	Haskell	2025-08-18 11:55:20
6	Daniel Cabral	121	Haskell	2025-11-04 04:35:04
7	Pathompong Kwangtong	167	Haskell	2025-09-25 15:08:36
8	Brent Yorgey	183	Haskell	2025-08-28 05:02:54
9	Brian Hwang	213	Haskell	2025-09-12 21:29:42

#	User	Length	Language	Date
1	Einar Þór Ívarsson	189	Java	2026-02-11 11:35:35
2	Aarya Maskara	215	Java	2025-11-05 23:48:42
3	Carolyn Gao	219	Java	2025-11-05 23:34:19
4	Jason Chen	220	Java	2022-06-07 18:51:35
5	Luke Tan	224	Java	2025-08-18 12:52:37
6	Benjamin W	224	Java	2025-11-09 00:20:02
7	ace wright	224	Java	2025-12-12 17:25:23
8	Jason Evans	228	Java	2020-04-25 18:50:59
9	Thomas Anung Basuki	228	Java	2025-08-19 02:30:40
10	Isaac Pinder	228	Java	2025-11-06 20:46:00

#	User	Length	Language	Date
1	Erlend Raa Vågset	153	JavaScript (Node.js)	2025-09-30 12:51:06
2	Gabriel Hofer	312	JavaScript (Node.js)	2025-11-18 00:16:29
3	Carl Emil Zeidler	431	JavaScript (Node.js)	2025-10-24 17:36:49
4	Hidden user	491	JavaScript (Node.js)	2025-11-24 20:47:19

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	29	JavaScript (SpiderMonkey)	2025-08-14 07:07:01
2	Jimmy Gustafsson	29	JavaScript (SpiderMonkey)	2025-09-03 09:50:26
3	Bjørn Chr. Soltvedt	32	JavaScript (SpiderMonkey)	2025-08-14 11:45:57
4	Ben Armstrong	44	JavaScript (SpiderMonkey)	2025-08-14 18:45:55
5	Phuong Quang Nguyen	55	JavaScript (SpiderMonkey)	2025-09-12 10:54:33
6	Le Tri Dinh	56	JavaScript (SpiderMonkey)	2025-09-12 10:56:16
7	Tim McDonald	92	JavaScript (SpiderMonkey)	2020-04-25 20:02:59

#	User	Length	Language	Date
1	Danny Robinson	41	Julia	2025-09-07 22:28:28
2	Timothy Gaede	100	Julia	2025-08-14 04:45:56

#	User	Length	Language	Date
1	Younes Harichane Merrouche	101	Kotlin	2025-10-02 12:00:26
2	Adam Rankin	106	Kotlin	2026-01-11 20:35:20
3	Bellameche Yanis	111	Kotlin	2025-11-18 08:19:19
4	Sofie Meta Schroeder	149	Kotlin	2025-10-24 16:45:42
5	Chris Johnson	181	Kotlin	2026-02-02 22:47:34
6	Luka Chabot	353	Kotlin	2025-09-09 09:00:27

#	User	Length	Language	Date
1	Zeheng Li	37	Lua	2025-08-14 06:36:35
2	Trevor	68	Lua	2025-10-06 01:30:48
3	Kelium Jojoa	75	Lua	2025-11-04 03:28:20

#	User	Length	Language	Date
1	Alfred Morgan	58	Nim	2025-10-24 02:48:58
2	Hidden user	106	Nim	2025-09-26 19:50:12
3	Nino Bašić	120	Nim	2025-09-17 14:43:57

#	User	Length	Language	Date
1	Martha Kosa	71	OCaml	2025-10-30 03:34:37

#	User	Length	Language	Date
1	Cian Curtis	51	Pascal	2025-10-22 15:48:07
2	Ingemar Ragnemalm	105	Pascal	2025-09-06 15:25:42

#	User	Length	Language	Date
1	Thomas Feld	6	Perl	2025-09-17 15:53:08
2	Chenzhang Hu	6	Perl	2025-09-24 13:33:09
3	Jonas Ryssel	75	Perl	2025-10-24 17:24:15

#	User	Length	Language	Date
1	Renate	93	PHP	2026-02-15 18:59:07

#	User	Length	Language	Date
1	Gunnsteinn Þór Ólason	25	Python 2	2025-11-19 10:35:41
2	Sivasankaran D	41	Python 2	2025-08-17 14:29:03
3	DHARSHINI M	52	Python 2	2025-10-13 18:23:21
4	KALAJAYANTHI M	58	Python 2	2025-09-21 07:39:05

#	User	Length	Language	Date
1	Guk Yi Siong	33	Python 3	2025-08-16 08:41:00
2	Nicholas Russell Saerang	33	Python 3	2025-08-21 17:28:05
3	Kevin Gomez	33	Python 3	2025-11-26 00:34:06
4	Shashank Bhatt	34	Python 3	2025-08-18 20:30:43
5	Noah Hessen Bjerke	34	Python 3	2025-08-23 22:43:28
6	Alexandre Douard	35	Python 3	2025-09-18 20:24:38
7	Brady Bhalla	36	Python 3	2021-02-10 00:05:33
8	Reed Elliott	36	Python 3	2021-02-11 23:35:06
9	Mack Wong Yoong Yee	36	Python 3	2025-08-14 06:35:25
10	Ahmed Chamseddine	36	Python 3	2025-08-14 10:37:47

#	User	Length	Language	Date
1	Ayush Biswas	48	Racket	2025-10-22 07:43:30

#	User	Length	Language	Date
1	Thomas Feld	22	Ruby	2025-08-19 10:09:18
2	Russell Ng	25	Ruby	2025-08-14 16:27:34
3	Liam Spillane	25	Ruby	2025-08-29 00:07:08
4	Frederik Petersen	25	Ruby	2025-09-18 08:40:29
5	Alexander Bilde Pedersen	25	Ruby	2025-10-24 16:17:41
6	Þorsteinn Sævar Kristjánsson	33	Ruby	2025-10-01 11:52:10
7	Eugen Neagoe	46	Ruby	2026-01-17 05:14:15
8	Bryce Kline	56	Ruby	2026-02-09 22:37:46

#	User	Length	Language	Date
1	Vincent Lagerros	222	Rust	2025-08-14 14:48:59
2	Pankajkumar Patro	232	Rust	2025-08-23 14:26:03
3	David Rasch	258	Rust	2025-08-25 16:28:13
4	Harald Langslet Kavli	280	Rust	2025-12-09 08:07:01
5	Elijah Gilliam	282	Rust	2026-01-21 17:26:50
6	Isak Jägberg	286	Rust	2025-11-25 15:15:04
7	Rasmus Melin	300	Rust	2025-09-05 16:39:48
8	Mikael Fiala-Lundström	305	Rust	2026-02-10 20:58:23
9	Emil Dichmann	308	Rust	2025-08-17 22:24:43
10	Henrik Josefsson	311	Rust	2025-08-17 18:31:39

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	98	Visual Basic	2025-11-02 04:28:43

#	User	Length	Language	Date
1	Grettir Heimisson	921	Zig	2025-10-20 21:53:48

Solution running time distribution