Problem A
Right-of-Way — Problem Statistics

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Submissions	2271
Accepted submissions	945
Submission ratio	41.61%
Authors	919
Accepted authors	826
Author ratio	89.88%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2020-09-04 15:50:47
2	Sambit Palit	0.00 s	C	2020-10-21 21:56:03
3	Mirella Arguelles	0.00 s	C	2020-12-26 10:05:49
4	PhilCampbell	0.00 s	C	2021-01-17 17:36:50
5	Nick Hargrove	0.00 s	C	2022-02-25 08:17:54
6	Eyleifur Bjarkason	0.00 s	C	2022-12-14 23:18:28
7	Julian Duniec	0.00 s	C	2023-08-18 10:32:51
8	Anuj Patil	0.00 s	C	2023-10-12 17:38:50
9	Hidden user	0.00 s	C	2024-09-20 21:37:34
10	Devasmita Majhi	0.00 s	C	2024-12-26 14:23:56

#	User	Runtime	Language	Date
1	Rune Engelbrecht Henriksen	0.02 s	C#	2020-10-01 01:05:30
2	Anders Parsberg Wagner	0.02 s	C#	2020-10-04 11:06:19
3	Thomas Norris	0.02 s	C#	2020-11-15 18:23:46
4	Sebastian Sternberg	0.02 s	C#	2021-01-30 16:34:01
5	Kristoffer Højelse	0.02 s	C#	2021-02-12 16:44:24
6	Mikael Fiala-Lundström	0.02 s	C#	2021-05-10 22:35:01
7	Henrik Hallbert	0.02 s	C#	2022-04-09 15:06:19
8	Göran Andersson	0.02 s	C#	2022-05-21 14:38:56
9	Eric Weiss	0.02 s	C#	2022-09-16 18:44:47
10	Johan Litsfeldt	0.03 s	C#	2021-03-20 12:04:43

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	F#	2020-11-22 09:37:09
2	Jesper Bengtson	0.04 s	F#	2021-02-12 16:21:38
3	Jacob Harris Cryer Kragh	0.04 s	F#	2022-11-19 08:50:48

#	User	Runtime	Language	Date
1	Magix	0.08 s	Go	2020-12-12 23:59:49
2	Norbert Voelker	0.08 s	Go	2021-05-07 19:54:10

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-07-13 14:20:02
2	Brent Yorgey	0.01 s	Haskell	2020-08-20 22:27:30
3	Emil Østergaard	0.01 s	Haskell	2020-09-29 23:00:56
4	Garrett M Rowe	0.01 s	Haskell	2020-10-31 21:14:50
5	Jan Hrček	0.01 s	Haskell	2020-11-11 05:56:02
6	Matthew Lutze	0.01 s	Haskell	2021-01-04 15:16:35
7	Hidden user	0.01 s	Haskell	2021-05-31 10:27:20
8	Aaron Lengyel	0.01 s	Haskell	2021-11-05 00:12:55

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.06 s	Java	2020-08-20 16:43:06
2	Shakeel Samsudeen	0.06 s	Java	2020-08-27 01:30:38
3	Emil Bak-Møller	0.06 s	Java	2020-09-07 18:18:08
4	Samuel Klingström	0.06 s	Java	2020-09-12 21:28:35
5	Kyle Kelly	0.06 s	Java	2020-09-17 21:58:36
6	Simon Kristiansen	0.06 s	Java	2020-09-30 02:08:06
7	Calum Bird	0.06 s	Java	2020-10-06 01:43:57
8	Jiayi Lee	0.06 s	Java	2020-10-08 06:41:00
9	Andrew Polizzotto	0.06 s	Java	2020-10-28 15:43:09
10	Agnes Hardy Bertelsen	0.06 s	Java	2020-11-07 00:12:26

#	User	Runtime	Language	Date
1	Yan Kit Liu	0.42 s	JavaScript (Node.js)	2020-10-07 06:01:26
2	Peter Kedemo	0.42 s	JavaScript (Node.js)	2020-12-26 09:43:51
3	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2021-03-12 04:50:07
4	Chris Wong	0.42 s	JavaScript (Node.js)	2021-03-16 20:38:02
5	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-03-30 11:41:59
6	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-11-14 01:54:08

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2020-08-23 15:38:43
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-09-26 19:11:43
3	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-08 12:41:16
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-12 10:53:51

#	User	Runtime	Language	Date
1	Timothy Gaede	0.48 s	Julia	2024-04-17 04:32:12

#	User	Runtime	Language	Date
1	Sergey Jakobsen	0.18 s	Kotlin	2021-07-21 23:24:44
2	Adam Rankin	0.18 s	Kotlin	2023-05-02 00:28:47
3	Martijn Muijsers	0.20 s	Kotlin	2024-06-02 19:00:49

#	User	Runtime	Language	Date
1	Danil Braun	0.00 s	OCaml	2021-05-07 13:29:47
2	Yuanting Mao	0.00 s	OCaml	2025-04-27 10:28:34

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2020-08-28 13:00:23

#	User	Runtime	Language	Date
1	Connor Billings	0.01 s	PHP	2020-10-22 03:17:24
2	Susanne Ragnemalm	0.01 s	PHP	2024-05-14 12:31:42

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2021-12-18 11:20:23

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-18 22:35:29
2	Maj Stenmark	0.03 s	Python 2	2020-07-19 09:26:31
3	Thomas Feld	0.03 s	Python 2	2020-09-09 15:36:14
4	Andreas Björklund	0.03 s	Python 2	2020-09-10 22:11:36
5	Måns Magnusson	0.03 s	Python 2	2020-09-18 21:37:04
6	Yanmarshus Bachtiar	0.03 s	Python 2	2020-09-20 10:35:33
7	Andrei Stoica	0.03 s	Python 2	2020-11-02 11:35:16
8	Lars Åström	0.03 s	Python 2	2020-11-14 14:14:08
9	Johan Lyts	0.03 s	Python 2	2021-01-23 21:35:27

#	User	Runtime	Language	Date
1	Azazith	0.04 s	Python 3	2022-06-08 13:50:05
2	Hasan Kalzi	0.04 s	Python 3	2022-06-18 22:36:08
3	Peter Stauder	0.04 s	Python 3	2022-06-19 15:11:03
4	Issa Issack	0.04 s	Python 3	2022-06-27 01:21:46
5	Samuel Belin	0.04 s	Python 3	2022-07-01 17:31:01
6	Erik Dyrelius	0.04 s	Python 3	2022-07-06 13:41:36
7	Kattis Speedrun	0.04 s	Python 3	2022-07-21 18:33:28
8	Mukerem Ali Nur	0.04 s	Python 3	2022-08-24 08:45:53
9	Henry Xia	0.04 s	Python 3	2022-09-03 19:19:54
10	Ola Dahl	0.04 s	Python 3	2022-09-03 22:26:50

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2020-09-09 11:00:25
2	Kok Dith	0.05 s	Ruby	2021-08-26 03:47:07
3	Thomas Feld	0.06 s	Ruby	2023-03-28 12:18:45

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2021-02-26 11:15:08
2	Nick Prat	0.00 s	Rust	2021-06-22 05:05:22
3	Bas Dirks	0.00 s	Rust	2022-01-07 14:42:43
4	Htet Aung Hlaing	0.00 s	Rust	2023-02-12 09:47:52
5	Simon Hallefält	0.00 s	Rust	2023-07-22 14:51:52
6	Hidden user	0.00 s	Rust	2025-02-04 00:18:49

#	User	Length	Language	Date
1	PhilCampbell	598	C	2021-01-17 17:36:50
2	Hidden user	752	C	2024-09-20 21:37:34
3	Sambit Palit	776	C	2020-10-21 21:56:03
4	Nick Hargrove	870	C	2022-02-25 08:17:54
5	Julian Duniec	888	C	2023-08-18 10:32:51
6	Mirella Arguelles	1271	C	2020-12-26 10:05:49
7	Devasmita Majhi	1342	C	2024-12-26 14:23:56
8	Bergur Snorrason	2020	C	2020-09-04 15:50:47
9	Anuj Patil	2207	C	2023-10-12 17:38:50
10	Eyleifur Bjarkason	7851	C	2022-12-14 23:18:28

#	User	Length	Language	Date
1	Göran Andersson	750	C#	2022-05-21 14:38:56
2	Freek van Keulen	921	C#	2024-02-07 07:28:26
3	Thomas Norris	1166	C#	2020-11-15 18:23:46
4	Henrik Hallbert	1294	C#	2022-04-09 15:06:19
5	Eric Weiss	1400	C#	2022-09-16 18:44:47
6	Kristoffer Højelse	1495	C#	2021-02-12 16:44:24
7	Rune Engelbrecht Henriksen	1613	C#	2020-10-01 01:05:30
8	Anders Parsberg Wagner	2154	C#	2020-10-04 11:06:19
9	Sebastian Sternberg	2385	C#	2021-01-30 16:34:01
10	Collin Dewey	2533	C#	2023-06-19 22:21:53

#	User	Length	Language	Date
1	Hidden user	379	C++	2020-09-17 17:00:58
2	Teikn Smith	398	C++	2022-06-18 06:22:08
3	Alexander Skidanov	405	C++	2024-12-24 15:44:11
4	Hyunjun Lee	437	C++	2022-10-11 09:35:46
5	Manuel Alejandro Rodriguez Rivera	451	C++	2021-10-22 10:18:53
6	Andrea Puddu	456	C++	2022-07-17 02:16:12
7	Joel Niemelä	466	C++	2021-12-03 01:30:24
8	Joel Au	469	C++	2020-11-07 04:51:49
9	Dmitry Lyubshin	472	C++	2023-03-30 10:25:11
10	Andreas Alberg	474	C++	2022-10-31 16:30:24

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	809	F#	2022-11-19 08:50:48
2	Hidden user	938	F#	2020-11-22 09:37:09
3	Jesper Bengtson	2230	F#	2021-02-12 16:21:38

#	User	Length	Language	Date
1	Magix	1176	Go	2020-12-12 23:59:49
2	Norbert Voelker	1591	Go	2021-05-07 19:54:10

#	User	Length	Language	Date
1	Aaron Lengyel	733	Haskell	2021-11-05 00:12:55
2	Steinar Simonnes	752	Haskell	2024-07-13 14:20:02
3	Matthew Lutze	778	Haskell	2021-01-04 15:16:35
4	Emil Østergaard	836	Haskell	2020-09-29 23:00:56
5	Jan Hrček	1088	Haskell	2020-11-11 05:56:02
6	Brent Yorgey	1387	Haskell	2020-08-20 22:27:30
7	Garrett M Rowe	1956	Haskell	2020-10-31 21:14:50
8	Hidden user	11395	Haskell	2021-05-31 10:27:20

#	User	Length	Language	Date
1	Khaled Alzubaidi	650	Java	2021-10-23 23:47:37
2	Nathaniel Lukas Christianto	667	Java	2023-12-26 10:38:39
3	Joachim Borup	734	Java	2020-11-06 17:20:44
4	Ian Gonzalez	769	Java	2020-11-03 21:25:51
5	Nguyền Minh	773	Java	2020-11-09 00:46:05
6	Paula Arnold	788	Java	2020-10-02 15:33:20
7	Doug Goodman	858	Java	2020-09-20 19:55:10
8	Andrew Polizzotto	940	Java	2020-10-28 15:43:09
9	Crystal Sharpe	953	Java	2020-08-20 16:43:06
10	Andreas Guldborg Hansen	961	Java	2021-09-29 21:18:34

#	User	Length	Language	Date
1	Peter Kedemo	522	JavaScript (Node.js)	2020-12-26 09:43:51
2	Hovhannes Kantuni	808	JavaScript (Node.js)	2021-03-12 04:50:07
3	Yan Kit Liu	1178	JavaScript (Node.js)	2020-10-07 06:01:26
4	Andoko Chandra	1292	JavaScript (Node.js)	2020-11-14 01:54:08
5	Chris Wong	1545	JavaScript (Node.js)	2021-03-16 20:38:02
6	Niamh Limerick	2389	JavaScript (Node.js)	2022-03-30 11:41:59

#	User	Length	Language	Date
1	Jimmy Gustafsson	169	JavaScript (SpiderMonkey)	2024-08-12 10:53:51
2	Bjørn Chr. Soltvedt	377	JavaScript (SpiderMonkey)	2020-08-23 15:38:43
3	Christian Cederquist	441	JavaScript (SpiderMonkey)	2023-02-08 12:41:16
4	Peter Menyes	542	JavaScript (SpiderMonkey)	2021-09-26 19:11:43

#	User	Length	Language	Date
1	Timothy Gaede	711	Julia	2024-04-17 04:32:12

#	User	Length	Language	Date
1	Adam Rankin	534	Kotlin	2023-05-02 00:28:47
2	Sergey Jakobsen	642	Kotlin	2021-07-21 23:24:44
3	Martijn Muijsers	821	Kotlin	2024-06-02 19:00:49

#	User	Length	Language	Date
1	Danil Braun	759	OCaml	2021-05-07 13:29:47
2	Yuanting Mao	1062	OCaml	2025-04-27 10:28:34

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1602	Pascal	2020-08-28 13:00:23

#	User	Length	Language	Date
1	Connor Billings	1127	PHP	2020-10-22 03:17:24
2	Susanne Ragnemalm	1166	PHP	2024-05-14 12:31:42

#	User	Length	Language	Date
1	Andriy Zyevakov	566	Prolog	2021-12-18 11:20:23

#	User	Length	Language	Date
1	Thomas Feld	127	Python 2	2020-09-09 15:36:14
2	Andreas Björklund	313	Python 2	2020-09-10 22:11:36
3	Yanmarshus Bachtiar	340	Python 2	2020-09-20 10:35:33
4	Lars Åström	372	Python 2	2020-11-14 14:14:08
5	Måns Magnusson	407	Python 2	2020-09-18 21:37:04
6	Maj Stenmark	444	Python 2	2020-07-19 09:26:31
7	Johan Lyts	480	Python 2	2021-01-23 21:35:27
8	Andrei Stoica	495	Python 2	2020-11-02 11:35:16
9	Hasan Kalzi	854	Python 2	2022-06-18 22:35:29

#	User	Length	Language	Date
1	Benjamin Z White	107	Python 3	2023-05-05 13:28:18
2	Ahmed Chamseddine	154	Python 3	2024-08-22 09:20:19
3	Tai Tze Kin	157	Python 3	2024-05-06 21:00:56
4	Lawry Sorenson	160	Python 3	2025-02-21 02:26:56
5	Artur Khuziakhmetov	166	Python 3	2025-01-23 09:53:00
6	Hidden user	180	Python 3	2021-10-31 14:41:12
7	Henry Xia	197	Python 3	2022-09-03 19:19:54
8	Oskar Haarklou Veileborg	203	Python 3	2020-08-20 09:26:35
9	Tan Yi Long	204	Python 3	2025-04-29 02:56:54
10	Lee Isaac	209	Python 3	2022-05-27 09:54:58

#	User	Length	Language	Date
1	Thomas Feld	71	Ruby	2023-03-28 12:22:05
2	Hidden user	164	Ruby	2020-09-09 11:00:25
3	Kok Dith	269	Ruby	2021-08-26 03:47:07

#	User	Length	Language	Date
1	Bas Dirks	920	Rust	2022-01-07 14:42:43
2	Simon Hallefält	1005	Rust	2023-07-22 14:51:52
3	Nick Prat	1200	Rust	2021-06-22 05:05:22
4	Hidden user	1221	Rust	2021-02-26 11:15:08
5	Htet Aung Hlaing	3384	Rust	2023-02-12 09:47:52
6	Hidden user	3952	Rust	2025-02-04 00:18:49

Solution running time distribution