Problem B
Stained Carpet — Problem Statistics

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Submissions	1004
Accepted submissions	182
Submission ratio	18.13%
Authors	154
Accepted authors	115
Author ratio	74.68%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2019-07-17 08:00:05
2	Ivan Petrov	0.00 s	C	2019-08-05 14:14:30
3	Bergur Snorrason	0.00 s	C	2020-04-14 17:26:23

#	User	Runtime	Language	Date
1	Adam Michael	0.06 s	Java	2015-10-31 22:16:59
2	Amon Al-khatib	0.06 s	Java	2016-06-23 07:38:27
3	Nick Wu	0.06 s	Java	2016-08-07 00:29:15
4	Bjørn Dons	0.06 s	Java	2020-05-22 00:24:18
5	Michael Sullivan	0.07 s	Java	2016-03-11 14:19:01
6	Wendy Aleman	0.08 s	Java	2015-10-31 19:39:12
7	Hieu Le	0.08 s	Java	2015-10-31 19:52:27
8	Qian Sun	0.08 s	Java	2015-10-31 22:30:55
9	Godmar Back	0.08 s	Java	2015-11-01 03:26:10
10	Finn Lidbetter	0.08 s	Java	2016-07-17 04:10:44

#	User	Runtime	Language	Date
1	Noszály Csaba	0.56 s	Julia	2025-04-03 21:27:40

#	User	Runtime	Language	Date
1	Danny Mittal	0.20 s	Kotlin	2020-10-16 21:47:09

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 2	2017-12-19 20:22:40
2	Sergey Pashkovsky	0.02 s	Python 2	2017-12-19 23:43:42
3	Rob Hochberg	0.03 s	Python 2	2017-06-17 04:39:14
4	Hidden user	0.03 s	Python 2	2017-06-19 01:03:03
5	Andreas Eisele	0.03 s	Python 2	2018-10-25 13:32:23
6	Josenildo Silva	0.03 s	Python 2	2018-11-26 23:18:35
7	Lars Åström	0.04 s	Python 2	2019-10-31 16:30:53

#	User	Runtime	Language	Date
1	Sergey Pashkovsky	0.02 s	Python 3	2017-12-20 09:53:49
2	Minh Phan Duc Nhat	0.02 s	Python 3	2018-01-28 10:41:36
3	John McAninley	0.02 s	Python 3	2018-04-19 05:43:35
4	Teikn Smith	0.04 s	Python 3	2022-07-13 06:02:49
5	Jason Oliphant	0.04 s	Python 3	2025-04-11 23:58:06
6	Duoduo Zhao	0.04 s	Python 3	2025-07-11 13:02:19
7	Hidden user	0.05 s	Python 3	2020-05-22 01:34:14
8	Oskar Haarklou Veileborg	0.05 s	Python 3	2020-05-26 22:21:34
9	Emery Shelly	0.05 s	Python 3	2020-10-21 22:58:43
10	Brandon Tang	0.05 s	Python 3	2023-02-20 17:49:06

#	User	Length	Language	Date
1	Ivan Petrov	1574	C	2019-08-05 14:14:30
2	Hidden user	2190	C	2019-07-17 08:00:05
3	Bergur Snorrason	2339	C	2020-04-14 17:28:22

#	User	Length	Language	Date
1	Johan Wind	334	C++	2017-10-06 22:33:02
2	Jeremy Lim	468	C++	2023-12-11 09:42:38
3	Mutiraj Laksanawisit	552	C++	2023-04-17 08:53:52
4	Eric Schneider	577	C++	2015-11-04 23:12:11
5	Yeung Man Tsung	610	C++	2023-01-04 12:26:25
6	Fei Luo	659	C++	2015-11-01 02:08:20
7	Jason Oliphant	663	C++	2024-07-25 19:54:19
8	Ethan Guo	690	C++	2023-01-06 10:02:05
9	Wang Zhi Jian	695	C++	2019-04-14 20:43:12
10	Timothy Wan Kai Yang	739	C++	2023-07-21 12:32:17

#	User	Length	Language	Date
1	Doug Goodman	1085	Java	2019-10-11 20:24:15
2	Adam Michael	1180	Java	2015-10-31 22:16:59
3	Amon Al-khatib	1207	Java	2015-12-11 23:15:57
4	Mayuri Birari	1298	Java	2024-03-23 19:25:30
5	Wendy Aleman	1420	Java	2015-10-31 19:39:12
6	Finn Lidbetter	1715	Java	2016-07-17 14:58:42
7	Hieu Le	2062	Java	2015-10-31 19:52:27
8	Godmar Back	2418	Java	2015-11-01 05:27:51
9	Nick Wu	2962	Java	2016-08-07 00:29:15
10	Chris Gittings	3295	Java	2024-01-23 22:06:25

#	User	Length	Language	Date
1	Noszály Csaba	1450	Julia	2025-04-03 21:27:40

#	User	Length	Language	Date
1	Danny Mittal	931	Kotlin	2020-10-16 21:47:09

#	User	Length	Language	Date
1	Josenildo Silva	539	Python 2	2018-11-26 23:18:35
2	Sergey Pashkovsky	553	Python 2	2017-12-19 23:43:42
3	Hidden user	603	Python 2	2017-12-19 20:22:40
4	Lars Åström	657	Python 2	2019-10-31 16:30:53
5	Rob Hochberg	971	Python 2	2017-06-17 04:39:14
6	Andreas Eisele	1133	Python 2	2018-10-25 13:32:23
7	Hidden user	1433	Python 2	2017-06-19 01:03:03

#	User	Length	Language	Date
1	Emery Shelly	357	Python 3	2020-10-21 22:58:43
2	Jonathan Dastrup	445	Python 3	2024-07-27 18:20:38
3	Lawry Sorenson	457	Python 3	2024-07-22 19:34:11
4	Jason Oliphant	504	Python 3	2025-04-11 23:58:06
5	Shashank Bhatt	509	Python 3	2024-07-26 07:42:05
6	Gao Tianrun	529	Python 3	2024-02-18 14:05:40
7	Nicholas Russell Saerang	543	Python 3	2023-07-03 23:12:22
8	Isaac Erdman	547	Python 3	2024-07-28 03:21:13
9	Hidden user	592	Python 3	2020-05-22 01:34:14
10	Edward Lue	598	Python 3	2020-10-20 04:14:14

Solution running time distribution