Problem B
1-D Frogger (Easy) — Problem Statistics

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Submissions	16091
Accepted submissions	3149
Submission ratio	19.57%
Authors	3324
Full solves [?]	2601
Full solve Ratio	78.25%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2024-09-21 23:40:08

#	User	Runtime	Language	Date
1	Ricardo H Guerrero Lara	0.02 s	C#	2022-10-25 22:04:19
2	Simon Grey	0.02 s	C#	2022-11-03 12:32:22
3	David Parker	0.02 s	C#	2022-11-04 13:33:44
4	Oscar Arrivi Garcia	0.02 s	C#	2022-11-30 11:46:31
5	Timothy Tucker	0.02 s	C#	2022-12-02 01:21:28
6	Aiden Bilyeu	0.02 s	C#	2023-01-30 21:07:43
7	Theodore Glenn	0.02 s	C#	2023-02-01 03:15:53
8	Rickard Bemm	0.02 s	C#	2023-03-05 12:32:28
9	Mattias Kind	0.03 s	C#	2022-10-18 13:33:04
10	Ahmad Barhamje	0.03 s	C#	2022-12-01 13:36:38

#	User	Runtime	Language	Date
1	William Lilliesköld	0.01 s	Common Lisp	2023-03-06 20:05:06
2	Miguel Roldán Muñoz	0.01 s	Common Lisp	2023-07-19 11:58:26

#	User	Runtime	Language	Date
1	Simon Reid	0.01 s	Dart	2023-08-11 04:42:19
2	Janis Hansen	0.01 s	Dart	2024-02-26 15:13:43

#	User	Runtime	Language	Date
1	Matthew Kennedy	0.07 s	F#	2024-08-20 21:57:55
2	Oliver Degnemark Larsen	0.08 s	F#	2024-08-06 19:51:05
3	Carl Kullman	0.08 s	F#	2025-11-01 19:04:42
4	Hidden user	0.09 s	F#	2023-08-30 17:18:19
5	Simon Egeberg Svarre	0.09 s	F#	2025-09-11 17:10:22

#	User	Runtime	Language	Date
1	la123	0.00 s	Fortran	2025-03-25 03:03:38

#	User	Runtime	Language	Date
1	Logan Travis	0.00 s	Go	2023-05-20 23:38:41
2	Stefan Samuelsson	0.00 s	Go	2023-06-18 22:00:05
3	Shiliang Tong	0.00 s	Go	2023-06-18 23:06:06
4	Nicholas Chia Zhi Jie	0.00 s	Go	2024-07-16 06:55:01
5	Mike Nguyen	0.00 s	Go	2024-07-19 08:05:32
6	sober_junkie	0.00 s	Go	2025-05-11 11:37:45
7	Johann Yvetot	0.00 s	Go	2025-05-22 18:20:01
8	Erwin Darsono	0.00 s	Go	2025-06-11 08:57:00
9	Nathan Lee	0.00 s	Go	2025-08-28 14:54:28
10	Christoph H	0.00 s	Go	2025-11-28 16:35:18

#	User	Runtime	Language	Date
1	Issa Issack	0.04 s	Java	2024-08-07 03:06:43
2	Saravanan Sivaram Jeychand	0.04 s	Java	2024-10-01 13:38:22
3	Lena Ruiz	0.04 s	Java	2024-10-06 04:24:14
4	Hidden user	0.04 s	Java	2024-10-23 12:20:25
5	Alexander Matheson	0.04 s	Java	2024-10-27 18:22:48
6	Luis Varona	0.04 s	Java	2024-10-29 16:06:05
7	Dashiell Puentes	0.04 s	Java	2024-11-02 02:04:52
8	Stela Palii	0.04 s	Java	2024-12-18 02:33:37
9	Sven Rönnbäck	0.04 s	Java	2025-02-08 19:25:45
10	Egil Skall	0.04 s	Java	2025-04-04 22:33:58

#	User	Runtime	Language	Date
1	jack	0.04 s	JavaScript (Node.js)	2024-12-27 14:41:37
2	Mikael Tennhammar	0.04 s	JavaScript (Node.js)	2025-02-13 13:40:02
3	torben jørgensen	0.04 s	JavaScript (Node.js)	2025-03-25 22:58:14
4	Hidden user	0.04 s	JavaScript (Node.js)	2025-05-22 20:52:13
5	Gonçalo Novo	0.04 s	JavaScript (Node.js)	2025-07-24 16:41:46
6	Rasmus huge	0.04 s	JavaScript (Node.js)	2025-10-03 13:09:15
7	Sabrine Shami Karanganwa	0.04 s	JavaScript (Node.js)	2025-10-08 18:22:16
8	Ankit Agrawal	0.09 s	JavaScript (Node.js)	2022-10-13 21:55:33
9	Hidden user	0.09 s	JavaScript (Node.js)	2022-11-02 23:59:19
10	Brandon Alejandro Mosqueda González	0.09 s	JavaScript (Node.js)	2023-03-08 14:34:32

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-11-16 01:21:02
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-14 16:03:39
3	Danny Hidayat	0.02 s	JavaScript (SpiderMonkey)	2023-11-20 10:33:02
4	Nick Cooper	0.02 s	JavaScript (SpiderMonkey)	2024-03-20 23:26:54
5	kamal budha magar	0.02 s	JavaScript (SpiderMonkey)	2025-01-29 07:05:30

#	User	Runtime	Language	Date
1	Hidden user	0.57 s	Julia	2023-11-07 13:31:40
2	Timothy Gaede	0.60 s	Julia	2024-09-18 10:18:36

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.11 s	Kotlin	2023-03-12 18:15:51
2	Sam Keyser	0.12 s	Kotlin	2022-10-01 18:52:58
3	Jacob Huebner	0.13 s	Kotlin	2022-11-04 23:40:37
4	Hidden user	0.18 s	Kotlin	2023-06-08 13:01:06
5	Adam Rankin	0.21 s	Kotlin	2023-08-28 03:31:13
6	Eric VZ	0.21 s	Kotlin	2024-05-27 06:41:28
7	Riccardo Azzolini	0.22 s	Kotlin	2024-05-24 17:49:51
8	Hidden user	0.22 s	Kotlin	2024-09-01 13:14:26
9	E. Janssen	0.23 s	Kotlin	2025-11-03 17:46:03
10	Brian Dickinson	0.25 s	Kotlin	2025-08-27 18:44:59

#	User	Runtime	Language	Date
1	Joseph Chau	0.00 s	Lua	2024-01-26 05:02:47
2	Caleb Austin	0.00 s	Lua	2024-08-27 20:49:45
3	Adam Yaser Sweilem	0.00 s	Lua	2024-09-29 15:39:49
4	Matthew Farshad	0.00 s	Lua	2025-02-10 21:02:31

#	User	Runtime	Language	Date
1	Archar Gelod	0.00 s	Nim	2024-12-24 15:56:27

#	User	Runtime	Language	Date
1	Brendon Bown	0.00 s	OCaml	2023-08-04 07:21:05
2	Marko Ristic	0.00 s	OCaml	2024-05-02 18:09:42
3	Hidden user	0.00 s	OCaml	2024-06-07 03:49:11
4	Sebastian Banert	0.00 s	OCaml	2024-07-22 02:59:29
5	John Doe	0.00 s	OCaml	2025-09-01 15:27:59

#	User	Runtime	Language	Date
1	Anton Siderud	0.00 s	Odin	2025-08-02 13:23:20

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2022-12-12 21:33:00

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Perl	2025-07-24 14:54:40

#	User	Runtime	Language	Date
1	Philippe Hubert	0.01 s	PHP	2023-12-31 14:10:20
2	João Vasconcelos	0.01 s	PHP	2024-11-21 11:35:26

#	User	Runtime	Language	Date
1	Joshua Fisher-Caudill	0.03 s	Python 2	2022-11-10 19:35:15
2	Matzuka	0.03 s	Python 2	2023-02-16 17:21:53
3	Yanmarshus Bachtiar	0.03 s	Python 2	2023-02-17 13:05:05
4	Ana Maria D Madeira	0.03 s	Python 2	2024-06-18 06:38:58
5	Ekta Mali	0.07 s	Python 2	2025-06-01 08:53:12
6	Karla Silva De Gyves	0.07 s	Python 2	2025-10-23 18:24:14
7	Carolina Lopez Mendez	0.07 s	Python 2	2025-10-23 18:25:06

#	User	Runtime	Language	Date
1	Ahmed Siadomar	0.04 s	Python 3	2022-10-01 18:07:05
2	Vedaant Shah	0.04 s	Python 3	2022-10-01 18:08:13
3	Kyle Cochran	0.04 s	Python 3	2022-10-01 18:09:10
4	Duc Tri Dang	0.04 s	Python 3	2022-10-01 18:09:47
5	Max Graves	0.04 s	Python 3	2022-10-01 18:09:51
6	Oskar Haarklou Veileborg	0.04 s	Python 3	2022-10-01 18:11:30
7	Brian Zhu	0.04 s	Python 3	2022-10-01 18:13:45
8	Rahul Mohan	0.04 s	Python 3	2022-10-01 18:14:14
9	Daniel Zhang	0.04 s	Python 3	2022-10-01 18:14:26
10	Sam Der	0.04 s	Python 3	2022-10-01 18:17:33

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2022-12-09 11:56:50
2	Samuel Beaulieu	0.06 s	Ruby	2023-05-16 19:35:52
3	David Felsager	0.06 s	Ruby	2023-07-18 19:49:58
4	Jonathan Naumanen	0.07 s	Ruby	2024-02-07 00:05:48
5	Jacob Pletcher	0.07 s	Ruby	2025-02-22 00:18:40
6	Jonas Arvidsson	0.07 s	Ruby	2025-03-15 17:24:55

#	User	Runtime	Language	Date
1	Oscar Cisneros	0.04 s	TypeScript	2025-02-13 08:58:01
2	Bruno Teles	0.04 s	TypeScript	2025-07-05 16:44:10
3	Subhan Shah	0.05 s	TypeScript	2023-10-08 14:14:15
4	Joel Martelleur	0.05 s	TypeScript	2024-04-24 19:49:13
5	Maxwell Sloan	0.09 s	TypeScript	2023-09-15 03:19:13

#	User	Length	Language	Date
1	Sebastian Banert	813	Ada	2024-09-21 23:40:08

#	User	Length	Language	Date
1	cera	242	C	2024-09-15 02:07:20
2	klimisnotmilk	547	C	2023-02-23 04:19:45
3	A. P.	562	C	2025-05-03 13:21:05
4	Julian Duniec	636	C	2023-09-15 09:55:47
5	James Sudlow	660	C	2023-03-08 21:43:30
6	Ximun Castoreo	661	C	2025-12-17 12:52:00
7	Devasree Prakash	672	C	2025-03-25 18:34:03
8	Reuben	673	C	2023-07-19 14:33:21
9	Sebastian Banert	673	C	2024-09-22 00:15:30
10	Samuel Mikuláš	677	C	2025-07-13 11:55:10

#	User	Length	Language	Date
1	Theodore Glenn	473	C#	2023-02-01 03:19:01
2	Aiden Bilyeu	511	C#	2023-02-01 03:23:44
3	Ruben Rystedt	714	C#	2024-11-11 22:00:42
4	TheCoolFish	814	C#	2023-07-09 22:08:01
5	Ihor Kolisnyk	862	C#	2024-10-18 18:21:41
6	Jorge Antunes	896	C#	2025-10-22 14:11:51
7	Brenden Zacek	955	C#	2024-09-01 00:14:07
8	Simon Mathiasen	1022	C#	2025-12-13 18:09:31
9	Hidden user	1023	C#	2025-12-15 12:12:47
10	William Yang	1041	C#	2025-06-20 03:52:41

#	User	Length	Language	Date
1	Tyler Fernando	393	C++	2023-06-21 08:02:25
2	Cristian Andrei Moroz	410	C++	2023-07-14 16:39:31
3	Cesar Fernando IG	412	C++	2024-10-16 06:33:29
4	Paul Wild	449	C++	2022-10-01 18:14:54
5	Nicolai Robinson	467	C++	2023-04-12 23:12:26
6	Hidden user	470	C++	2023-07-01 15:30:32
7	Grae Yeandle	471	C++	2022-10-23 15:15:05
8	Evan Michael Bailey	478	C++	2023-03-08 22:41:55
9	Rumbin Lee	478	C++	2023-07-07 10:51:00
10	Yeung Man Tsung	494	C++	2022-11-28 16:45:12

#	User	Length	Language	Date
1	Miguel Roldán Muñoz	1480	Common Lisp	2023-07-19 11:58:26
2	William Lilliesköld	1573	Common Lisp	2023-03-06 20:05:06

#	User	Length	Language	Date
1	Simon Reid	752	Dart	2023-08-11 04:42:19
2	Janis Hansen	1264	Dart	2024-02-26 15:13:43

#	User	Length	Language	Date
1	Matthew Kennedy	774	F#	2024-08-20 21:57:55
2	Simon Egeberg Svarre	896	F#	2025-09-11 17:10:22
3	Hidden user	980	F#	2023-08-30 17:18:19
4	Carl Kullman	985	F#	2025-11-01 19:04:42
5	Oliver Degnemark Larsen	1765	F#	2024-08-06 19:51:05

#	User	Length	Language	Date
1	la123	596	Fortran	2025-03-25 03:03:38

#	User	Length	Language	Date
1	sober_junkie	585	Go	2025-05-11 11:37:45
2	Erwin Darsono	658	Go	2025-06-11 08:57:00
3	Johann Yvetot	684	Go	2025-05-22 18:20:01
4	Christoph H	694	Go	2025-11-28 16:35:18
5	Mind Mon	754	Go	2023-02-12 06:32:56
6	Andrew Gemmel	847	Go	2022-12-06 01:15:00
7	Stefan Samuelsson	850	Go	2023-06-18 22:00:05
8	Logan Travis	891	Go	2023-05-20 23:38:41
9	Adam Hansson	896	Go	2022-11-30 14:20:34
10	Lanten Dev	957	Go	2022-10-24 17:16:33

#	User	Length	Language	Date
1	Zach Tschetter	536	Haskell	2024-03-16 18:15:23
2	Arnold Meijster	609	Haskell	2025-12-18 17:00:27
3	Shinji Koshida	678	Haskell	2025-01-22 20:05:51
4	Paul Adam	681	Haskell	2024-03-22 20:57:01
5	Casper Beckman	751	Haskell	2023-01-05 15:31:34
6	Sebastian Banert	771	Haskell	2024-10-06 13:06:23
7	Mason Anderson	789	Haskell	2023-01-01 06:48:05
8	Rajashekar R M	967	Haskell	2025-10-31 08:42:57
9	Fay Carsons	1000	Haskell	2025-07-07 18:19:55
10	Mitch Stevens	1060	Haskell	2025-06-19 14:56:23

#	User	Length	Language	Date
1	John Hershey	694	Java	2022-12-02 02:56:47
2	Michael Capelli	739	Java	2024-01-28 16:29:42
3	Hidden user	745	Java	2023-10-03 20:23:26
4	Collin Presser	748	Java	2022-11-17 18:20:56
5	Josh Henderson	752	Java	2022-10-01 18:32:04
6	Hidden user	759	Java	2022-10-01 18:21:56
7	Hidden user	782	Java	2023-02-19 02:36:09
8	Blake Gassman	801	Java	2022-10-01 18:39:53
9	Luis Becerril	801	Java	2022-11-05 13:58:02
10	Brennan Cleland	802	Java	2022-10-04 22:54:33

#	User	Length	Language	Date
1	jack	833	JavaScript (Node.js)	2024-12-27 14:41:37
2	Hidden user	897	JavaScript (Node.js)	2025-05-22 20:52:13
3	Ankit Agrawal	931	JavaScript (Node.js)	2022-10-13 21:55:33
4	Gonçalo Novo	931	JavaScript (Node.js)	2025-07-24 16:41:46
5	Sabrine Shami Karanganwa	1110	JavaScript (Node.js)	2025-10-08 18:22:16
6	Hidden user	1120	JavaScript (Node.js)	2022-11-03 00:01:55
7	Rasmus huge	1261	JavaScript (Node.js)	2025-10-03 13:09:15
8	Brandon Alejandro Mosqueda González	1273	JavaScript (Node.js)	2023-03-08 14:34:32
9	torben jørgensen	1278	JavaScript (Node.js)	2025-03-25 22:58:14
10	Erik Andreasson	1324	JavaScript (Node.js)	2023-08-18 12:17:36

#	User	Length	Language	Date
1	Nick Cooper	183	JavaScript (SpiderMonkey)	2024-03-20 23:44:05
2	Bjørn Chr. Soltvedt	471	JavaScript (SpiderMonkey)	2022-11-16 01:21:02
3	Christian Pilegaard Cederquist	610	JavaScript (SpiderMonkey)	2023-02-14 16:03:39
4	Danny Hidayat	633	JavaScript (SpiderMonkey)	2023-11-20 10:33:02
5	kamal budha magar	1295	JavaScript (SpiderMonkey)	2025-01-29 07:05:30

#	User	Length	Language	Date
1	Hidden user	586	Julia	2023-11-07 13:31:40
2	Timothy Gaede	873	Julia	2024-09-18 10:18:36

#	User	Length	Language	Date
1	Eric VZ	577	Kotlin	2024-05-27 06:41:28
2	Jacob Huebner	590	Kotlin	2022-11-04 23:40:37
3	Adam Rankin	750	Kotlin	2023-08-28 03:31:13
4	Sam Keyser	760	Kotlin	2022-10-01 18:52:58
5	E. Janssen	913	Kotlin	2025-11-03 17:46:03
6	Riccardo Azzolini	931	Kotlin	2024-05-24 17:49:51
7	Hidden user	1156	Kotlin	2024-09-01 13:14:26
8	Hidden user	1264	Kotlin	2023-06-08 14:06:53
9	Brian Dickinson	1950	Kotlin	2025-08-27 18:44:59
10	Nicholas Johnson	2706	Kotlin	2023-03-12 18:15:51

#	User	Length	Language	Date
1	Joseph Chau	487	Lua	2024-01-26 05:02:47
2	Adam Yaser Sweilem	571	Lua	2024-09-29 15:39:49
3	Caleb Austin	746	Lua	2024-08-27 20:49:45
4	Matthew Farshad	945	Lua	2025-02-10 21:02:31

#	User	Length	Language	Date
1	Archar Gelod	568	Nim	2024-12-24 16:01:53

#	User	Length	Language	Date
1	Marko Ristic	682	OCaml	2024-05-02 18:09:42
2	Sebastian Banert	726	OCaml	2024-07-22 02:59:29
3	Hidden user	885	OCaml	2024-06-07 03:49:11
4	John Doe	1181	OCaml	2025-09-01 15:27:59
5	Brendon Bown	1631	OCaml	2023-08-04 07:21:05

#	User	Length	Language	Date
1	Anton Siderud	3388	Odin	2025-08-02 13:23:20

#	User	Length	Language	Date
1	Ingemar Ragnemalm	654	Pascal	2024-03-15 07:02:23

#	User	Length	Language	Date
1	Javier Gómez Díaz	363	Perl	2025-07-24 14:54:40

#	User	Length	Language	Date
1	Philippe Hubert	1201	PHP	2023-12-31 14:10:20
2	João Vasconcelos	1265	PHP	2024-11-21 11:35:26

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	422	Python 2	2023-02-17 13:05:05
2	Matzuka	496	Python 2	2023-02-16 17:52:32
3	Joshua Fisher-Caudill	643	Python 2	2022-11-10 19:35:15
4	Ana Maria D Madeira	827	Python 2	2024-06-18 06:38:58
5	Ekta Mali	1052	Python 2	2025-06-01 08:53:12
6	Karla Silva De Gyves	1188	Python 2	2025-10-23 18:24:14
7	Carolina Lopez Mendez	1188	Python 2	2025-10-23 18:25:06

#	User	Length	Language	Date
1	Kevin Gomez	172	Python 3	2024-11-14 08:45:48
2	Thomas Feld	189	Python 3	2022-12-09 12:08:50
3	David Llorens	213	Python 3	2023-07-27 23:56:37
4	Charles Ancheta	219	Python 3	2023-03-16 09:09:29
5	Błażej Dariusz Roszkowski	222	Python 3	2022-11-13 04:46:55
6	Morten Clausen	225	Python 3	2022-10-16 19:07:33
7	Lukas Kerren	229	Python 3	2024-05-02 02:52:52
8	Will Killian	234	Python 3	2022-10-08 15:49:08
9	Rachel Krohn	237	Python 3	2025-03-19 21:19:13
10	Arnaud Vandaele	245	Python 3	2024-04-12 11:42:11

#	User	Length	Language	Date
1	Thomas Feld	150	Ruby	2022-12-09 12:08:14
2	David Felsager	253	Ruby	2023-07-18 19:57:15
3	Jonas Arvidsson	462	Ruby	2025-03-15 17:24:55
4	Jacob Pletcher	967	Ruby	2025-02-22 00:18:40
5	Jonathan Naumanen	1208	Ruby	2024-02-07 00:05:48
6	Samuel Beaulieu	1279	Ruby	2023-05-16 19:35:52

#	User	Length	Language	Date
1	Artur Khuziakhmetov	777	Rust	2023-08-22 15:45:18
2	Théo Daron	1061	Rust	2023-06-03 18:05:44
3	Sebastian Cloos Hylander	1100	Rust	2025-10-01 18:28:50
4	Hidden user	1156	Rust	2023-08-01 07:09:01
5	Caleb Early	1156	Rust	2024-10-03 18:23:47
6	Erin Staugaard	1185	Rust	2024-09-22 16:24:25
7	Jyotirmay Shelly	1196	Rust	2023-01-03 03:07:43
8	Johan Jeppsson Karlin	1242	Rust	2024-07-29 21:58:32
9	Hidden user	1259	Rust	2023-07-31 12:53:48
10	Teodor Aberg	1274	Rust	2023-10-15 14:12:20

#	User	Length	Language	Date
1	Oscar Cisneros	1067	TypeScript	2025-02-13 08:58:01
2	Bruno Teles	1213	TypeScript	2025-07-05 16:44:10
3	Maxwell Sloan	1237	TypeScript	2023-09-15 03:22:25
4	Subhan Shah	1507	TypeScript	2023-10-08 14:14:15
5	Joel Martelleur	2978	TypeScript	2024-04-24 19:49:13

Solution running time distribution