Problem D
Ricochet Robots — Problem Statistics

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Submissions	647
Accepted submissions	256
Submission ratio	39.57%
Authors	192
Accepted authors	163
Author ratio	84.90%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.03 s	C	2019-05-29 09:35:30

#	User	Runtime	Language	Date
1	Apurav Khare	0.98 s	C#	2021-09-07 05:47:53

#	User	Runtime	Language	Date
1	Ragnar Groot Koerkamp	0.02 s	C++	2015-10-25 20:31:01
2	Sabit Zahin	0.02 s	C++	2016-04-26 13:51:58
3	Grae Yeandle	0.02 s	C++	2017-01-26 08:25:07
4	Денис Соболев	0.02 s	C++	2017-07-10 00:24:33
5	Vadim Tihomirov	0.02 s	C++	2019-02-13 09:17:41
6	Hidden user	0.02 s	C++	2023-04-15 13:31:13
7	Ludo Pulles	0.03 s	C++	2016-10-01 17:48:38
8	Frank Endriss	0.03 s	C++	2020-12-08 17:10:59
9	Sarun Vat Paisarnsrisomsuk	0.04 s	C++	2015-10-25 18:56:38
10	Rafaël Bocquet	0.04 s	C++	2015-10-25 22:26:42

#	User	Runtime	Language	Date
1	Doug Goodman	0.18 s	Java	2018-04-20 15:51:43
2	Crystal Sharpe	0.19 s	Java	2020-12-07 06:27:31
3	Paul Boddington	0.21 s	Java	2017-01-08 02:39:39
4	Brent Yorgey	0.27 s	Java	2020-04-28 21:56:15
5	Martin Mattimeo	0.29 s	Java	2017-11-05 07:25:39
6	Steven Cheng	0.39 s	Java	2020-05-08 03:27:17
7	Matthew Stewart	0.40 s	Java	2018-01-24 02:48:27
8	Bjørn Dons	0.40 s	Java	2022-05-27 22:14:23
9	Zohair Hassan	0.45 s	Java	2021-09-03 19:56:40
10	Meet Shah	0.47 s	Java	2021-08-31 02:02:05

#	User	Runtime	Language	Date
1	Lars Åström	0.31 s	Python 2	2019-06-18 23:23:24
2	Oskar Haarklou Veileborg	0.74 s	Python 2	2018-11-05 15:05:10
3	Ida Bredal Skjørten	0.83 s	Python 2	2016-10-23 00:57:40
4	Ida Ryland	0.85 s	Python 2	2016-10-23 19:06:13
5	Christofer Ohlsson	1.13 s	Python 2	2016-12-29 22:18:04

#	User	Runtime	Language	Date
1	Ximena Sánchez	0.17 s	Python 3	2025-05-26 02:07:35
2	Jeremiah Daniel Regalario	0.28 s	Python 3	2025-06-13 20:28:44
3	Hidden user	0.32 s	Python 3	2020-08-23 15:27:47
4	Hidden user	0.35 s	Python 3	2023-08-19 11:19:43
5	Nicholas Russell Saerang	0.36 s	Python 3	2024-06-03 08:18:45
6	Duoduo Zhao	0.39 s	Python 3	2025-07-05 17:12:41
7	Ali M. Nekoh	0.47 s	Python 3	2025-06-11 21:33:49
8	Hidden user	0.52 s	Python 3	2024-09-01 03:18:06
9	Almond Kiruthu	0.54 s	Python 3	2025-04-18 17:44:45
10	Michelle Mariam	0.55 s	Python 3	2025-06-20 08:43:52

#	User	Length	Language	Date
1	Ivan Petrov	4730	C	2019-05-29 09:35:30

#	User	Length	Language	Date
1	Apurav Khare	6425	C#	2021-09-07 05:47:53

#	User	Length	Language	Date
1	Josenildo Silva	1507	C++	2018-07-03 00:03:53
2	Yupeng Gu	1741	C++	2019-02-09 05:35:43
3	Teikn Smith	1786	C++	2024-10-25 01:52:04
4	Filippo Baroni	1798	C++	2017-09-23 17:12:58
5	Alex Dai	1840	C++	2016-08-13 01:47:17
6	Julian Neeleman	1871	C++	2016-10-13 22:13:45
7	Xuan Tung Nguyen	1948	C++	2020-04-10 20:32:01
8	Mitchell Johnstone	1968	C++	2024-02-24 20:44:09
9	Ng Tek In	1988	C++	2018-07-19 15:54:51
10	Ricardo Ruiz	1995	C++	2022-09-05 22:40:09

#	User	Length	Language	Date
1	Doug Goodman	2712	Java	2018-04-20 15:51:43
2	Crystal Sharpe	3082	Java	2020-12-07 06:27:31
3	Micah Stairs	3499	Java	2016-11-23 18:04:07
4	Paul Boddington	3555	Java	2017-01-08 01:33:32
5	Stephen Atwood	3596	Java	2016-10-23 22:47:13
6	Nick Wu	3655	Java	2017-06-17 20:46:37
7	Matthew Stewart	4102	Java	2018-01-24 02:48:27
8	Zohair Hassan	4305	Java	2021-09-01 22:42:01
9	Mazen Omar Hamid	4347	Java	2024-02-28 21:07:28
10	Aschilling	4420	Java	2024-02-28 22:06:33

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	1220	Python 2	2018-11-05 15:05:10
2	Lars Åström	1450	Python 2	2019-06-18 23:23:24
3	Christofer Ohlsson	1675	Python 2	2016-12-29 22:18:04
4	Ida Bredal Skjørten	2324	Python 2	2016-10-23 00:57:40
5	Ida Ryland	2324	Python 2	2016-10-23 19:06:13

#	User	Length	Language	Date
1	Nicholas Russell Saerang	741	Python 3	2024-06-03 08:18:45
2	Christofer Ohlsson	988	Python 3	2022-09-19 22:12:44
3	Denil Bouafia	1045	Python 3	2024-12-18 17:05:17
4	Hidden user	1350	Python 3	2024-09-01 03:18:06
5	Hidden user	1362	Python 3	2020-08-23 15:08:59
6	Shahnaj Sultana	1635	Python 3	2025-06-13 23:17:56
7	Michelle Mariam	1726	Python 3	2025-06-20 08:43:52
8	Jeremiah Daniel Regalario	1851	Python 3	2025-06-13 20:28:44
9	S M Hasnat Samiul	1859	Python 3	2025-06-13 01:58:36
10	Ali M. Nekoh	1862	Python 3	2025-06-11 21:33:49

Solution running time distribution