Problem B
That's One Hanoi-ed Teacher — Problem Statistics

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Submissions	749
Accepted submissions	290
Submission ratio	38.72%
Authors	243
Full solves [?]	200
Full solve Ratio	82.30%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.03 s	Bash	2024-02-03 06:09:09

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2018-11-11 23:26:35

#	User	Runtime	Language	Date
1	Nick Wu	0.05 s	Java	2017-11-04 19:07:04
2	Eimhin McDonald	0.05 s	Java	2017-11-16 20:17:26
3	Wesley Leung	0.05 s	Java	2018-05-24 15:33:33
4	Andrew Polizzotto	0.06 s	Java	2020-05-06 20:46:32
5	Ho Lyun Jeong	0.06 s	Java	2021-01-15 04:31:40
6	Richard Wang	0.06 s	Java	2022-02-21 21:17:30
7	Matthew Diener	0.07 s	Java	2016-12-03 15:58:49
8	Mitch Price	0.07 s	Java	2017-11-06 03:48:48
9	Frank Ruskey	0.07 s	Java	2017-11-07 19:46:22
10	Hidden user	0.07 s	Java	2017-11-07 19:56:05

#	User	Runtime	Language	Date
1	Jacob Huebner	0.16 s	Kotlin	2020-04-20 09:29:22

#	User	Runtime	Language	Date
1	Måns Magnusson	0.03 s	Python 2	2018-10-26 08:42:17
2	Lars Åström	0.03 s	Python 2	2018-10-26 09:24:06
3	Björn Magnusson	0.03 s	Python 2	2018-11-02 21:18:18
4	Jesper Öqvist	0.03 s	Python 2	2018-11-06 19:14:58
5	Oskar Larsson	0.03 s	Python 2	2019-04-11 19:24:36
6	grcd	0.03 s	Python 2	2019-07-29 22:04:02
7	Maj Stenmark	0.03 s	Python 2	2019-10-26 14:16:42
8	Andreas Björklund	0.03 s	Python 2	2021-05-27 18:02:31

#	User	Runtime	Language	Date
1	Thach Le Nguyen	0.02 s	Python 3	2018-01-25 14:42:22
2	Wesley Leung	0.02 s	Python 3	2018-05-24 15:40:07
3	Hidden user	0.02 s	Python 3	2018-10-13 23:43:17
4	Keegan Poon	0.02 s	Python 3	2018-11-04 19:26:14
5	Hidden user	0.02 s	Python 3	2018-11-09 20:34:29
6	Lester Muñoz	0.02 s	Python 3	2018-11-22 21:13:36
7	Joseph Campbell	0.02 s	Python 3	2019-02-15 00:54:38
8	Anton Lykov	0.02 s	Python 3	2019-10-19 02:42:58
9	Jacob Zhang	0.02 s	Python 3	2019-10-19 03:14:10
10	Khoa Lê Tiến	0.02 s	Python 3	2019-10-19 03:23:31

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-10-10 07:22:43

#	User	Length	Language	Date
1	Chenzhang Hu	680	Bash	2024-04-14 08:21:18

#	User	Length	Language	Date
1	Hidden user	939	C	2025-12-01 01:38:30
2	Neile Thomas	1024	C	2025-11-09 23:06:22
3	Lawrence Angelo Lim Acanto	1045	C	2025-11-10 02:48:27
4	Leanna Persaud	1052	C	2025-11-10 05:03:01
5	Samuel Vitor Schmidt	1056	C	2025-11-08 23:59:58
6	Lucas Booher	1204	C	2025-11-10 04:33:21
7	Austin Vodrazka	1248	C	2025-10-30 00:33:04
8	Mirel Cosulschi	1266	C	2024-12-22 15:18:11
9	Nick Nimroozi	1281	C	2025-11-09 17:18:54
10	Antoine Gustave	1349	C	2025-11-09 00:40:42

#	User	Length	Language	Date
1	Johan Wind	678	C++	2018-11-16 17:37:38
2	Aman Karunakaran	718	C++	2018-10-28 18:10:46
3	Heehyun Park	750	C++	2019-10-23 02:01:19
4	Yiqin Qiu	763	C++	2017-11-04 21:02:20
5	Jason Pham	825	C++	2018-11-04 20:37:00
6	Tyler Jones	830	C++	2023-01-22 00:22:35
7	Yujie An	867	C++	2016-10-31 20:12:30
8	Jordi Rodríguez Manso	869	C++	2018-08-29 08:38:59
9	Minh Nguyen	871	C++	2019-01-21 18:44:01
10	Darshan Godhia	899	C++	2017-11-04 19:39:47

#	User	Length	Language	Date
1	Brent Yorgey	728	Haskell	2018-11-11 23:26:35

#	User	Length	Language	Date
1	Hidden user	856	Java	2022-02-21 03:29:14
2	Hidden user	1030	Java	2017-11-07 19:56:05
3	Doug Goodman	1103	Java	2018-05-24 20:45:26
4	Matthew Diener	1130	Java	2016-12-03 15:58:49
5	Evan Turner	1289	Java	2025-11-10 00:55:55
6	Aarav Singh	1330	Java	2017-11-10 07:44:28
7	Frank Ruskey	1339	Java	2017-11-07 19:46:22
8	Eimhin McDonald	1449	Java	2017-11-16 20:17:26
9	Mitch Price	1472	Java	2017-11-06 03:48:48
10	Abhiraj Chatterjee	1835	Java	2019-10-22 23:23:48

#	User	Length	Language	Date
1	Jacob Huebner	1180	Kotlin	2020-04-20 09:29:22

#	User	Length	Language	Date
1	Måns Magnusson	492	Python 2	2018-10-26 08:42:17
2	Andreas Björklund	513	Python 2	2021-05-27 18:02:31
3	Jesper Öqvist	600	Python 2	2018-11-06 19:14:58
4	Oskar Larsson	912	Python 2	2019-04-11 19:24:36
5	Maj Stenmark	1190	Python 2	2019-10-26 14:16:42
6	grcd	1233	Python 2	2019-07-29 22:05:37
7	Lars Åström	1256	Python 2	2018-10-26 09:24:06
8	Björn Magnusson	1256	Python 2	2018-11-02 21:18:18

#	User	Length	Language	Date
1	Nicholas Russell Saerang	204	Python 3	2025-06-20 16:40:00
2	Chris Kopp	207	Python 3	2023-10-15 18:43:18
3	Lukas Kerren	398	Python 3	2024-04-28 11:51:48
4	Lester Muñoz	433	Python 3	2018-11-22 21:13:36
5	Kelly Dance	485	Python 3	2022-09-25 18:12:02
6	John Huddleston	560	Python 3	2024-04-21 21:09:05
7	Daniel Bogorad	581	Python 3	2025-09-01 23:16:11
8	William Wang	590	Python 3	2019-10-19 03:56:17
9	Taesung Hwang	594	Python 3	2023-10-14 23:36:06
10	John Huddleston	649	Python 3	2024-04-21 20:56:09

#	User	Length	Language	Date
1	Thomas Feld	142	Ruby	2023-10-10 07:35:18

Solution running time distribution