Problem D
Illumination — Problem Statistics

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Submissions	767
Accepted submissions	288
Submission ratio	37.55%
Authors	222
Full solves [?]	186
Full solve Ratio	83.78%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-07-23 09:03:14

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2022-05-01 00:34:16

#	User	Runtime	Language	Date
1	Sam Reinehr	0.10 s	Java	2018-10-27 20:15:13
2	Måns Magnusson	0.10 s	Java	2018-11-02 00:35:32
3	Ian Montaño Pardo	0.10 s	Java	2024-09-18 05:41:21
4	Brent Yorgey	0.10 s	Java	2024-11-26 18:29:02
5	Andrew Polizzotto	0.11 s	Java	2019-10-19 05:13:08
6	Nick Wu	0.13 s	Java	2021-08-01 19:17:24
7	Luke Eales	0.13 s	Java	2023-09-29 14:30:55
8	Shomik Ghose	0.14 s	Java	2018-10-13 03:00:19
9	John Park	0.16 s	Java	2018-10-13 03:12:55
10	Alex Coleman	0.24 s	Java	2018-10-15 20:06:53

#	User	Runtime	Language	Date
1	Aksel Holbek Sørbye	0.51 s	Kotlin	2025-09-19 13:44:17

#	User	Runtime	Language	Date
1	Andreas Björklund	0.09 s	Python 2	2019-11-28 20:01:32
2	Kevin Tang	0.09 s	Python 2	2019-12-30 23:49:48
3	Måns Magnusson	0.20 s	Python 2	2019-09-29 14:59:37
4	Maj Stenmark	0.20 s	Python 2	2019-10-04 13:50:47

#	User	Runtime	Language	Date
1	Isaac Lee	0.06 s	Python 3	2019-02-09 02:20:49
2	Lawry Sorenson	0.09 s	Python 3	2022-03-09 05:22:16
3	Doug Goodman	0.09 s	Python 3	2023-06-24 19:16:47
4	Jiaming Kong	0.09 s	Python 3	2025-08-07 09:31:32
5	John Swingle	0.10 s	Python 3	2022-03-09 19:18:46
6	einar bratthall	0.10 s	Python 3	2023-03-01 18:08:02
7	Nicholas Russell Saerang	0.10 s	Python 3	2023-09-03 01:56:50
8	Fan Zhang	0.11 s	Python 3	2022-06-05 02:05:00
9	Cheng Jack	0.11 s	Python 3	2022-06-06 00:22:31
10	Paul Swingle	0.11 s	Python 3	2023-02-22 02:41:43

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2023-03-21 19:09:39
2	Frank Endriss	0.00 s	Rust	2024-09-05 17:55:42
3	ErikWDev	0.01 s	Rust	2022-04-27 19:38:11
4	Niklas Sandén	0.02 s	Rust	2023-03-01 14:37:08

#	User	Length	Language	Date
1	Ivan Petrov	2811	C	2019-07-23 09:03:14

#	User	Length	Language	Date
1	Minh Nguyen	1152	C++	2018-11-21 09:49:27
2	Zicheng Zhen	1210	C++	2018-04-28 22:51:46
3	Yuxin Sun	1300	C++	2018-02-24 22:02:53
4	William Gan	1378	C++	2018-03-11 15:36:58
5	Ziyi Zhang	1427	C++	2018-02-27 03:14:53
6	study	1488	C++	2022-06-28 18:28:48
7	Võ Trần Ngọc Vy	1528	C++	2025-07-22 06:42:29
8	Alexander Skidanov	1592	C++	2025-06-24 13:43:26
9	Вадим Козлов	1615	C++	2022-04-29 02:45:05
10	Neal Zane	1624	C++	2019-07-25 22:49:14

#	User	Length	Language	Date
1	Norbert Voelker	3906	Go	2022-05-01 00:40:41

#	User	Length	Language	Date
1	Sam Reinehr	2259	Java	2018-10-27 20:15:13
2	Måns Magnusson	2731	Java	2018-11-02 00:35:32
3	Ian Montaño Pardo	3080	Java	2024-09-18 05:52:36
4	Andrew Polizzotto	3219	Java	2019-10-19 05:13:08
5	Luke Eales	3519	Java	2023-09-29 14:28:46
6	Shomik Ghose	3644	Java	2018-10-13 03:00:19
7	Crystal Sharpe	3797	Java	2020-06-28 02:46:39
8	Alex Coleman	4322	Java	2018-10-15 20:06:53
9	Nick Wu	5942	Java	2021-08-01 19:17:24
10	John Park	6645	Java	2018-10-13 03:12:55

#	User	Length	Language	Date
1	Aksel Holbek Sørbye	27501	Kotlin	2025-09-19 12:48:09

#	User	Length	Language	Date
1	Kevin Tang	1557	Python 2	2019-12-31 00:10:53
2	Andreas Björklund	1878	Python 2	2019-11-28 20:01:32
3	Måns Magnusson	1944	Python 2	2019-09-29 14:59:37
4	Maj Stenmark	1990	Python 2	2019-10-04 13:50:47

#	User	Length	Language	Date
1	Paul Swingle	967	Python 3	2023-02-22 02:51:25
2	Nicholas Russell Saerang	1305	Python 3	2023-09-03 01:56:50
3	Lawry Sorenson	1869	Python 3	2022-03-09 05:22:16
4	Doug Goodman	1932	Python 3	2023-06-24 19:16:47
5	Julius Thunström	2161	Python 3	2022-04-21 01:58:53
6	Lennart Meyling	2360	Python 3	2023-07-27 17:59:39
7	einar bratthall	2491	Python 3	2022-04-29 14:41:55
8	Jonathan Cederlund	2593	Python 3	2023-03-02 13:05:01
9	Cheng Jack	2640	Python 3	2022-06-06 00:22:31
10	Benjamin Kugelberg	2780	Python 3	2022-04-27 19:50:24

#	User	Length	Language	Date
1	ErikWDev	4449	Rust	2022-04-27 19:42:02
2	Frank Endriss	7312	Rust	2024-09-05 17:55:42
3	Muhammad Rais Fathin Mudzakir	12399	Rust	2023-03-21 19:09:39
4	Niklas Sandén	28685	Rust	2023-03-01 14:37:08

Solution running time distribution