Problem N
Cleaning Pipes — Problem Statistics

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Submissions	1372
Accepted submissions	342
Submission ratio	24.93%
Authors	299
Accepted authors	234
Author ratio	78.26%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C	2022-11-28 16:57:55
2	Ivan Petrov	0.03 s	C	2017-11-20 16:42:42

#	User	Runtime	Language	Date
1	Максим Финютин	0.01 s	C++	2015-11-29 13:32:25
2	Tomislav Tunković	0.01 s	C++	2015-11-29 18:13:16
3	Johan Wind	0.01 s	C++	2015-11-30 12:02:32
4	Tobias Heuer	0.01 s	C++	2015-11-30 12:33:50
5	Johannes Batzill	0.01 s	C++	2015-11-30 15:43:55
6	Lê Yên Thanh	0.01 s	C++	2015-12-01 01:49:01
7	Bakhodir Ashirmatov	0.01 s	C++	2015-12-01 15:39:38
8	Paul Herman	0.01 s	C++	2015-12-02 02:21:17
9	Julian Neeleman	0.01 s	C++	2015-12-06 12:33:08
10	Robin Fritsch	0.01 s	C++	2015-12-07 14:59:46

#	User	Runtime	Language	Date
1	Erik Baalhuis	0.18 s	Java	2015-12-04 16:56:59
2	Nick Wu	0.21 s	Java	2015-11-29 11:54:18
3	David Auer	0.22 s	Java	2016-10-11 19:03:42
4	Daniel Franzen	0.22 s	Java	2016-11-17 14:09:20
5	Terrence Park	0.22 s	Java	2019-01-26 19:40:40
6	Bjørn Dons	0.22 s	Java	2019-10-22 21:34:52
7	Anton Pirogov	0.23 s	Java	2015-12-11 16:27:15
8	fadfadfdasf	0.25 s	Java	2015-12-02 21:42:32
9	Hidden user	0.25 s	Java	2015-12-02 22:26:37
10	Marcel Wienöbst	0.25 s	Java	2015-12-15 16:56:10

#	User	Runtime	Language	Date
1	Benjamin Ye	0.41 s	Kotlin	2023-02-17 21:33:49
2	Ali M. Nekoh	0.91 s	Kotlin	2025-06-11 21:29:16

#	User	Runtime	Language	Date
1	Ida Bredal Skjørten	0.14 s	Python 2	2016-10-26 13:30:12
2	Ida Ryland	0.14 s	Python 2	2016-10-26 13:32:42
3	Cian Ruane	0.15 s	Python 2	2018-03-29 15:30:23
4	Andreas Björklund	0.15 s	Python 2	2019-08-11 10:55:50
5	Jonatan Nilsson	0.19 s	Python 2	2018-10-10 10:58:49
6	Hidden user	0.26 s	Python 2	2018-10-01 21:31:27
7	Maj Stenmark	0.26 s	Python 2	2018-10-01 21:32:16

#	User	Runtime	Language	Date
1	Lennart Meyling	0.13 s	Python 3	2023-09-09 21:46:16
2	Daniel Lokshtanov	0.14 s	Python 3	2023-02-15 08:26:43
3	Ole Vik Lysne	0.17 s	Python 3	2024-03-12 23:28:44
4	Felipe Lopez Russi (shaq)	0.19 s	Python 3	2025-03-22 22:21:45
5	Justin Nguyen Vo	0.20 s	Python 3	2023-02-25 07:06:55
6	Ahmed Chamseddine	0.21 s	Python 3	2025-04-11 18:28:52
7	Andy Liang	0.21 s	Python 3	2025-04-13 03:24:36
8	Jeffrey Cao	0.26 s	Python 3	2023-02-18 04:07:13
9	Aman Choudhary	0.28 s	Python 3	2025-06-16 17:17:38
10	Drumil Vasani	0.28 s	Python 3	2025-06-16 17:44:34

#	User	Runtime	Language	Date
1	Rowan Tran	0.01 s	Rust	2023-02-24 10:51:26
2	Yoeri Otten	0.02 s	Rust	2022-03-13 04:06:13
3	Ole Vik Lysne	0.02 s	Rust	2024-03-13 00:49:07
4	Eric Pinter	0.61 s	Rust	2020-10-16 16:59:10

#	User	Length	Language	Date
1	Ivan Petrov	1965	C	2017-11-20 16:42:42
2	Hidden user	2399	C	2022-11-28 16:57:55

#	User	Length	Language	Date
1	Josenildo Silva	1201	C++	2018-08-07 17:23:13
2	Yufei Zheng	1229	C++	2018-05-28 18:04:34
3	Yotam Sh	1229	C++	2018-06-29 20:16:28
4	Ivan Lazarić	1349	C++	2015-11-29 12:34:55
5	Johan Wind	1354	C++	2015-11-30 12:02:32
6	Mihai Andreescu	1383	C++	2016-04-09 22:57:37
7	Antonio Molina Lovett	1461	C++	2016-04-10 00:11:12
8	Ovishek Paul	1473	C++	2017-10-17 21:02:23
9	Mohammad Hashemi	1476	C++	2020-10-16 15:42:10
10	David Wärn	1553	C++	2015-11-29 23:06:42

#	User	Length	Language	Date
1	Anton Pirogov	1707	Java	2015-12-11 16:27:15
2	Anika Oellerich	1979	Java	2017-10-22 17:28:21
3	Thore Tiemann	2045	Java	2016-01-11 22:52:53
4	Veronica Gunn	2076	Java	2017-09-11 03:10:13
5	Marcel Wienöbst	2251	Java	2015-12-15 16:56:10
6	fadfadfdasf	2309	Java	2015-12-02 21:42:32
7	Hidden user	2309	Java	2015-12-02 22:26:37
8	Ian Pösse	2426	Java	2017-12-13 21:07:28
9	Doug Goodman	2572	Java	2020-04-28 17:23:30
10	David Auer	2722	Java	2016-10-11 19:03:42

#	User	Length	Language	Date
1	Benjamin Ye	681	Kotlin	2023-02-17 23:12:01
2	Ali M. Nekoh	2145	Kotlin	2025-06-11 21:29:16

#	User	Length	Language	Date
1	Andreas Björklund	1513	Python 2	2019-08-11 10:55:50
2	Hidden user	1858	Python 2	2018-10-01 21:31:27
3	Maj Stenmark	1858	Python 2	2018-10-01 21:32:16
4	Cian Ruane	2161	Python 2	2018-03-29 15:26:24
5	Jonatan Nilsson	4318	Python 2	2018-10-10 10:58:49
6	Ida Bredal Skjørten	4560	Python 2	2016-10-26 13:30:12
7	Ida Ryland	4560	Python 2	2016-10-26 13:32:42

#	User	Length	Language	Date
1	Anshuman Dash	1401	Python 3	2023-02-17 07:34:54
2	Ole Vik Lysne	1407	Python 3	2024-03-13 00:04:43
3	Lennart Meyling	1687	Python 3	2023-09-09 21:46:16
4	Joseph Scholl	1835	Python 3	2022-11-16 02:21:10
5	Josh Taylor	1855	Python 3	2022-11-18 18:49:01
6	Ahmed Chamseddine	1926	Python 3	2025-04-11 18:28:52
7	Jeffrey Cao	2022	Python 3	2023-02-18 04:07:13
8	Justin Nguyen Vo	2094	Python 3	2023-02-25 07:06:55
9	Viktor Bello Thomsen	2160	Python 3	2020-11-18 12:12:21
10	Hidden user	2380	Python 3	2022-03-11 16:03:12

#	User	Length	Language	Date
1	Ole Vik Lysne	2929	Rust	2024-03-13 00:49:07
2	Eric Pinter	5321	Rust	2020-10-17 04:46:12
3	Rowan Tran	6025	Rust	2023-02-24 10:51:26
4	Yoeri Otten	7482	Rust	2022-03-13 04:06:13

Solution running time distribution