Problem I
Traffic Lights — Problem Statistics

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Submissions	317
Accepted submissions	135
Submission ratio	42.59%
Authors	122
Accepted authors	102
Author ratio	83.61%

#	User	Runtime	Language	Date
1	Andrew Fagg	0.01 s	C	2025-03-12 03:24:14
2	RJ Clines	0.03 s	C	2024-11-16 22:23:23

#	User	Runtime	Language	Date
1	Hoang Vu	0.00 s	C++	2024-11-16 23:40:05
2	Nick Wu	0.00 s	C++	2024-11-18 01:16:12
3	Amirkhan Aidarkhan	0.00 s	C++	2025-09-05 21:32:48
4	Mikhail Ivkov	0.01 s	C++	2024-11-17 10:02:05
5	Tyler Lindenmuth	0.01 s	C++	2024-11-18 01:15:27
6	Benjamin MacDougall	0.01 s	C++	2024-11-18 22:09:08
7	Michael Xiang	0.01 s	C++	2024-11-19 08:52:06
8	Teikn Smith	0.01 s	C++	2024-11-24 01:48:41
9	Garway Mei	0.01 s	C++	2024-11-25 21:24:47
10	Daniel Anker Hermansen	0.01 s	C++	2025-02-13 11:20:02

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.03 s	Haskell	2025-07-14 10:33:37
2	Brent Yorgey	0.87 s	Haskell	2024-11-18 03:21:44

#	User	Runtime	Language	Date
1	Adolfo Alvarez	0.11 s	Java	2024-11-16 22:25:11
2	Hidden user	0.11 s	Java	2024-11-20 05:13:40
3	Nigist Legesse	0.11 s	Java	2024-12-24 00:20:37
4	core310	0.11 s	Java	2025-03-12 02:04:10
5	Benjamin Wolcott	0.12 s	Java	2024-11-16 20:29:30
6	Tyler Lindenmuth	0.12 s	Java	2024-11-17 02:57:40
7	Ranjith M	0.13 s	Java	2024-11-16 20:39:06
8	Daniel Fajardo	0.13 s	Java	2024-11-17 00:28:41
9	Nathaniel Lahn	0.14 s	Java	2024-11-16 20:29:49
10	Kyle Smith	0.15 s	Java	2024-11-16 23:54:59

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.60 s	JavaScript (SpiderMonkey)	2025-08-01 05:09:40

#	User	Runtime	Language	Date
1	Timothy Gaede	0.49 s	Julia	2025-03-26 06:37:12

#	User	Runtime	Language	Date
1	Paul McBurney	0.35 s	Kotlin	2024-11-16 20:16:55

#	User	Runtime	Language	Date
1	Arup Ratan Guha	0.05 s	Python 3	2024-11-17 03:24:23
2	Ian Zhang	0.07 s	Python 3	2024-11-16 20:34:46
3	Alex Chmielowski	0.07 s	Python 3	2024-11-16 22:52:09
4	Justin Zhang	0.07 s	Python 3	2024-11-16 23:13:09
5	Ole Vik Lysne	0.07 s	Python 3	2024-11-17 17:30:46
6	Ian Fang	0.07 s	Python 3	2024-11-19 06:47:51
7	Atli Fannar Franklín	0.07 s	Python 3	2025-04-20 01:55:44
8	Eric Leow Yu Quan	0.07 s	Python 3	2025-06-01 09:34:26
9	Duoduo Zhao	0.07 s	Python 3	2025-06-25 00:44:57
10	Joey Pabalan	0.08 s	Python 3	2024-11-16 19:53:55

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-12-25 19:47:51
2	Frank Endriss	0.00 s	Rust	2025-03-08 11:42:05
3	Hidden user	0.01 s	Rust	2025-04-05 21:31:39

#	User	Length	Language	Date
1	Andrew Fagg	635	C	2025-03-12 03:24:14
2	RJ Clines	947	C	2024-11-16 22:23:23

#	User	Length	Language	Date
1	Teikn Smith	350	C++	2024-11-24 01:48:41
2	Nick Wu	414	C++	2024-11-18 01:16:12
3	Russell William Hoffman Mullinax I	491	C++	2024-11-16 21:06:16
4	Tobias Glimmerfors	577	C++	2025-07-22 13:49:12
5	Mikhail Ivkov	613	C++	2024-11-17 10:02:05
6	Tyler Lindenmuth	615	C++	2024-11-18 01:49:27
7	Milly Nguyen	659	C++	2024-11-16 21:24:00
8	Benjamin MacDougall	697	C++	2024-11-18 22:09:08
9	Garway Mei	701	C++	2024-11-25 21:24:47
10	Daniel Anker Hermansen	714	C++	2025-02-13 11:20:02

#	User	Length	Language	Date
1	Steinar Simonnes	650	Haskell	2025-07-14 10:37:44
2	Brent Yorgey	2067	Haskell	2024-11-18 03:21:44

#	User	Length	Language	Date
1	Adolfo Alvarez	791	Java	2024-11-16 22:25:11
2	core310	832	Java	2025-03-12 02:06:50
3	Pedro Marcet	875	Java	2024-11-16 22:14:41
4	Tyler Lindenmuth	940	Java	2024-11-17 02:57:40
5	Caden Brock	1015	Java	2024-11-17 05:32:40
6	Nigist Legesse	1017	Java	2024-12-24 00:20:37
7	Hidden user	1153	Java	2024-11-20 05:13:40
8	Esmond Herry	1291	Java	2025-02-18 04:50:09
9	Kyle Smith	1305	Java	2024-11-16 23:54:59
10	Zach Kline	1348	Java	2024-11-16 22:40:46

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	235	JavaScript (SpiderMonkey)	2025-08-01 05:09:40

#	User	Length	Language	Date
1	Timothy Gaede	667	Julia	2025-03-26 06:37:12

#	User	Length	Language	Date
1	Paul McBurney	1036	Kotlin	2024-11-16 20:16:55

#	User	Length	Language	Date
1	Ole Vik Lysne	139	Python 3	2025-01-15 10:31:27
2	Ahmed Chamseddine	156	Python 3	2025-07-30 17:13:28
3	Bo Stokes	189	Python 3	2024-11-22 04:41:55
4	Casper Rysgaard	198	Python 3	2024-11-18 18:39:13
5	Nicholas Russell Saerang	235	Python 3	2024-12-25 12:05:32
6	Godmar Back	255	Python 3	2024-11-17 06:32:59
7	Iman Khodadi	317	Python 3	2025-01-19 17:51:50
8	Andreas Björklund	340	Python 3	2024-11-19 07:15:55
9	Atli Fannar Franklín	344	Python 3	2025-04-20 01:55:44
10	Maximilian Harold	363	Python 3	2024-11-17 00:18:33

#	User	Length	Language	Date
1	Vincent Lagerros	697	Rust	2024-12-25 19:47:51
2	Hidden user	1011	Rust	2025-04-05 21:43:56
3	Frank Endriss	10996	Rust	2025-03-08 11:42:05

Solution running time distribution