Problem I
Light Up — Problem Statistics

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Submissions	1999
Accepted submissions	816
Submission ratio	40.82%
Authors	850
Full solves [?]	770
Full solve Ratio	90.59%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-10-11 14:54:51

#	User	Runtime	Language	Date
1	Sparsh Pandey	0.00 s	C	2024-10-05 22:22:19
2	Luke Dederich	0.00 s	C	2024-10-05 23:01:56
3	Brodie Alexander	0.00 s	C	2024-10-06 00:19:07

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2024-10-10 17:19:21

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2025-06-05 15:54:42
2	Brent Yorgey	0.01 s	Haskell	2024-10-06 20:46:03

#	User	Runtime	Language	Date
1	Andrew Li	0.04 s	Java	2024-10-05 20:22:51
2	Yuvraj Sahu	0.04 s	Java	2024-10-05 20:38:39
3	speedycatfish	0.04 s	Java	2024-10-05 20:53:34
4	Isaac Light	0.04 s	Java	2024-10-05 21:02:37
5	Aaron Lu	0.04 s	Java	2024-10-05 21:02:55
6	Suhas T. Nagar	0.04 s	Java	2024-10-05 21:04:56
7	Matthew Sheldon	0.04 s	Java	2024-10-05 21:21:52
8	Carl Ingelsson	0.04 s	Java	2024-10-05 21:23:43
9	Pranav Pullabhotla	0.04 s	Java	2024-10-05 21:27:26
10	Sahil Samar	0.04 s	Java	2024-10-05 22:02:59

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-10-06 07:27:52
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2024-10-07 07:29:23

#	User	Runtime	Language	Date
1	Timothy Gaede	0.70 s	Julia	2025-03-23 05:05:48

#	User	Runtime	Language	Date
1	Ayden Coughlin	0.25 s	Kotlin	2024-10-05 21:02:25
2	Daniel Jarabek	0.27 s	Kotlin	2024-10-05 20:50:56

#	User	Runtime	Language	Date
1	Jayden Pahukula	0.04 s	Python 3	2024-10-05 20:55:48
2	Jason Nguyen	0.04 s	Python 3	2024-10-05 20:59:36
3	Johnathan Tong	0.04 s	Python 3	2024-10-05 21:12:20
4	Vittal Ayer	0.04 s	Python 3	2024-10-05 21:15:50
5	Ansh Aggarwal	0.04 s	Python 3	2024-10-05 21:17:45
6	Anderson Ray	0.04 s	Python 3	2024-10-05 21:17:49
7	Quinn Flavel	0.04 s	Python 3	2024-10-05 21:18:23
8	PiCO Logic and Transistors	0.04 s	Python 3	2024-10-05 21:19:15
9	Isaac Lee	0.04 s	Python 3	2024-10-05 21:21:57
10	Rebecca Jackson	0.04 s	Python 3	2024-10-05 21:35:30

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2025-02-13 12:41:17

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-12-27 01:47:20
2	Bas Dirks	0.00 s	Rust	2025-02-02 07:01:12

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Swift	2024-10-06 21:49:40

#	User	Length	Language	Date
1	Chenzhang Hu	1584	Bash	2024-10-11 14:54:51

#	User	Length	Language	Date
1	Brodie Alexander	3946	C	2024-10-06 00:19:07
2	Luke Dederich	4757	C	2024-10-05 23:01:56
3	Sparsh Pandey	6581	C	2024-10-05 22:22:19

#	User	Length	Language	Date
1	Teikn Smith	845	C++	2024-10-06 20:46:17
2	Thomas Marlowe	890	C++	2024-10-05 21:04:25
3	Anthony Fetelya	1158	C++	2024-10-05 20:37:30
4	Zac Friggstad	1203	C++	2024-10-05 21:00:31
5	Hongji Chen	1206	C++	2024-10-05 20:56:14
6	Alex Waese-Perlman	1228	C++	2024-10-05 20:50:14
7	Zerui Cheng	1240	C++	2024-10-05 20:45:51
8	Innokentiy Kaurov	1360	C++	2024-10-05 20:41:01
9	Zhikun Wang	1392	C++	2024-10-05 20:45:57
10	Howard Cheng	1393	C++	2024-10-05 20:26:34

#	User	Length	Language	Date
1	Norbert Voelker	1635	Go	2024-10-10 17:19:21

#	User	Length	Language	Date
1	Steinar Simonnes	1915	Haskell	2025-06-05 15:57:28
2	Brent Yorgey	8414	Haskell	2024-10-06 20:46:03

#	User	Length	Language	Date
1	Aaron Lu	2133	Java	2024-10-05 21:02:55
2	Arup Ratan Guha	2348	Java	2024-10-08 06:11:06
3	Brandon Han	2351	Java	2024-10-05 21:58:10
4	Benjamin Antinozzi	2381	Java	2024-10-06 00:03:18
5	Curtis Zhang	2475	Java	2024-10-05 22:20:32
6	Yuvraj Sahu	2517	Java	2024-10-05 20:38:39
7	Jaideep Katoch	2551	Java	2024-10-05 21:37:38
8	Vivek Chandy	2567	Java	2024-10-05 22:21:45
9	Ben Reed	2610	Java	2024-10-05 23:23:23
10	Andrew Li	2626	Java	2024-10-05 20:22:51

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1245	JavaScript (SpiderMonkey)	2024-10-06 07:27:52
2	Christian Cederquist	1700	JavaScript (SpiderMonkey)	2024-10-07 07:29:23

#	User	Length	Language	Date
1	Timothy Gaede	3256	Julia	2025-03-23 05:05:48

#	User	Length	Language	Date
1	Daniel Jarabek	1771	Kotlin	2024-10-05 20:50:56
2	Ayden Coughlin	2444	Kotlin	2024-10-13 02:23:45

#	User	Length	Language	Date
1	Michael Goldwasser	463	Python 3	2024-10-05 21:59:37
2	Ryan Farrell	565	Python 3	2024-12-28 20:30:16
3	Nicholas Russell Saerang	684	Python 3	2024-10-13 03:43:54
4	Andrew Tapia	732	Python 3	2024-10-09 11:27:46
5	Kelly Dance	853	Python 3	2024-10-05 20:43:26
6	Franklin Zhang	896	Python 3	2024-10-05 21:41:58
7	Jason Nguyen	909	Python 3	2024-10-05 20:59:36
8	Wen Li Looi	942	Python 3	2025-08-24 03:43:57
9	Arnav Sastry	951	Python 3	2024-10-09 22:44:33
10	Andrew Mou	993	Python 3	2024-10-05 21:12:55

#	User	Length	Language	Date
1	Thomas Feld	279	Ruby	2025-02-13 13:00:28

#	User	Length	Language	Date
1	Vincent Lagerros	2500	Rust	2024-12-27 01:47:20
2	Bas Dirks	2619	Rust	2025-02-02 07:01:12

#	User	Length	Language	Date
1	Hidden user	2818	Swift	2024-10-06 21:49:40

Solution running time distribution