Problem I
Pipe Rotation — Problem Statistics

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Submissions	588
Accepted submissions	246
Submission ratio	41.84%
Authors	221
Full solves [?]	187
Full solve Ratio	84.62%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-09-04 14:53:08
2	Sambit Palit	0.00 s	C	2020-10-11 06:56:35
3	Bergur Snorrason	0.00 s	C	2020-11-24 10:44:25
4	Mikael K Eriksson	0.00 s	C	2021-11-18 08:22:13
5	Linus Norström	0.00 s	C	2022-04-06 18:04:19
6	Mirel Cosulschi	0.00 s	C	2022-12-31 18:07:58
7	Ana-Maria Petre	0.00 s	C	2023-12-10 16:02:03

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-08-20 01:55:31

#	User	Runtime	Language	Date
1	Brandon Tang	0.00 s	Haskell	2023-06-03 13:57:58
2	Santiago Rivas	0.01 s	Haskell	2024-08-28 09:11:05
3	Hidden user	0.06 s	Haskell	2021-11-11 12:09:23

#	User	Runtime	Language	Date
1	Liam Keliher	0.06 s	Java	2020-06-12 03:36:46
2	Crystal Sharpe	0.07 s	Java	2020-06-16 04:04:46
3	Nathaniel Lahn	0.07 s	Java	2020-12-04 18:44:23
4	Ruslan	0.07 s	Java	2023-01-14 23:58:48
5	Rene Argento	0.08 s	Java	2021-02-02 00:55:06
6	Brent Yorgey	0.09 s	Java	2019-05-25 00:25:18
7	Tobias Glimmerfors	0.09 s	Java	2019-09-01 14:42:39
8	Steven Cheng	0.09 s	Java	2020-04-10 02:27:57
9	Dustin Nguyen	0.10 s	Java	2026-01-15 02:31:35
10	Paul Boddington	0.11 s	Java	2020-07-13 21:31:09

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-06-13 21:39:53
2	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2019-02-03 04:52:04

#	User	Runtime	Language	Date
1	Adam Rankin	0.22 s	Kotlin	2023-09-12 20:01:48

#	User	Runtime	Language	Date
1	Danny Sleator	0.01 s	OCaml	2026-01-16 20:02:17

#	User	Runtime	Language	Date
1	Ciara Godwin	0.05 s	Python 2	2018-10-11 23:44:10
2	Thomas Feld	0.05 s	Python 2	2020-01-02 16:36:44
3	Lars Åström	0.13 s	Python 2	2020-03-05 12:29:46

#	User	Runtime	Language	Date
1	Auburn Ford	0.02 s	Python 3	2019-10-23 18:27:30
2	Hidden user	0.02 s	Python 3	2019-10-24 04:32:21
3	Hakan Alpan	0.02 s	Python 3	2019-10-24 05:31:25
4	Carl Aslund	0.02 s	Python 3	2019-10-24 05:54:41
5	Alex Hadley	0.02 s	Python 3	2019-10-24 07:28:58
6	Connor Johnston	0.02 s	Python 3	2019-11-07 06:50:53
7	Noah Ó Donnaile	0.03 s	Python 3	2018-10-12 00:59:19
8	Josenildo Silva	0.03 s	Python 3	2019-03-07 17:12:55
9	Kye W. Shi	0.03 s	Python 3	2019-10-24 05:10:30
10	Santi Santichaivekin	0.03 s	Python 3	2019-10-24 05:52:28

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-10-24 00:45:46
2	Bjarni Haukur Bjarnason	0.00 s	Rust	2022-01-21 22:11:21

#	User	Length	Language	Date
1	Bergur Snorrason	1033	C	2022-01-25 17:33:02
2	Ivan Petrov	1442	C	2019-09-04 14:53:08
3	Ana-Maria Petre	1544	C	2023-12-10 16:02:03
4	Mikael K Eriksson	1613	C	2021-11-18 08:22:13
5	Mirel Cosulschi	2077	C	2022-12-31 18:07:58
6	Sambit Palit	3435	C	2020-10-11 06:56:35
7	Linus Norström	15648	C	2022-04-06 18:34:40

#	User	Length	Language	Date
1	Markus Mathiasen	786	C++	2021-08-19 10:46:56
2	Timothy White	820	C++	2021-11-01 22:42:17
3	Hidden user	843	C++	2020-02-24 23:14:13
4	Yupeng Gu	845	C++	2019-02-16 23:55:24
5	Hyunjun Lee	902	C++	2022-10-26 14:48:12
6	Neev Kataria	1026	C++	2023-11-22 12:57:46
7	Yunzhe Qiao	1182	C++	2025-11-09 02:38:43
8	Dominik Kubicki	1229	C++	2021-01-31 09:55:55
9	Artemis Ngoh	1253	C++	2022-09-22 12:41:59
10	Alessandro Dario	1263	C++	2023-03-18 20:34:24

#	User	Length	Language	Date
1	Norbert Voelker	2282	Go	2021-08-20 01:55:31

#	User	Length	Language	Date
1	Santiago Rivas	1393	Haskell	2024-08-28 09:11:05
2	Brandon Tang	1397	Haskell	2023-06-03 13:57:58
3	Hidden user	20552	Haskell	2021-11-11 12:09:23

#	User	Length	Language	Date
1	Paul Boddington	1637	Java	2020-07-13 21:31:09
2	Carson Fallon	1712	Java	2021-10-12 00:10:15
3	Dustin Nguyen	1895	Java	2026-01-15 02:32:25
4	Doug Goodman	1952	Java	2019-08-05 16:45:43
5	Abdulhamid Ojelade	2700	Java	2020-12-07 17:26:36
6	Martina Naldoni	3318	Java	2023-03-19 22:19:47
7	Liam Keliher	3531	Java	2020-06-12 03:36:46
8	Crystal Sharpe	3957	Java	2020-06-16 04:04:46
9	Tobias Glimmerfors	5155	Java	2019-09-01 14:42:39
10	Rene Argento	5178	Java	2021-02-02 00:47:31

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1416	JavaScript (SpiderMonkey)	2023-06-13 21:39:53
2	Bjørn Chr. Soltvedt	3259	JavaScript (SpiderMonkey)	2019-02-03 10:47:14

#	User	Length	Language	Date
1	Adam Rankin	1911	Kotlin	2023-09-12 20:01:48

#	User	Length	Language	Date
1	Danny Sleator	2121	OCaml	2026-01-16 22:13:00

#	User	Length	Language	Date
1	Thomas Feld	1091	Python 2	2020-01-02 16:36:44
2	Ciara Godwin	1360	Python 2	2018-10-11 23:44:10
3	Lars Åström	1403	Python 2	2020-03-05 12:29:46

#	User	Length	Language	Date
1	Petr	576	Python 3	2025-05-21 03:28:32
2	Hidden user	616	Python 3	2021-06-17 13:56:54
3	Ragav Janardhan	752	Python 3	2025-11-09 06:32:04
4	Jason Cannon	771	Python 3	2019-12-23 17:36:01
5	Nicholas Russell Saerang	783	Python 3	2024-04-23 20:39:32
6	Sean Lipton	834	Python 3	2025-11-09 05:13:44
7	Tsog Gantumur	874	Python 3	2021-09-22 23:27:29
8	delgerdalai Sukhbaatar	874	Python 3	2021-09-24 08:59:36
9	Munir Kudrati-Plummer	886	Python 3	2025-11-09 02:36:26
10	Hidden user	906	Python 3	2019-10-24 04:32:21

#	User	Length	Language	Date
1	Pahlevi Fikri Auliya	4232	Rust	2020-10-24 00:45:46
2	Bjarni Haukur Bjarnason	6310	Rust	2022-01-21 22:11:21

Solution running time distribution