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

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Submissions	667
Accepted submissions	267
Submission ratio	40.03%
Authors	221
Full solves [?]	181
Full solve Ratio	81.90%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.03 s	Bash	2024-02-03 07:09:09

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2018-11-12 00:26:35

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

#	User	Runtime	Language	Date
1	Jacob Huebner	0.16 s	Kotlin	2020-04-20 11:29:22

#	User	Runtime	Language	Date
1	Måns Magnusson	0.03 s	Python 2	2018-10-26 10:42:17
2	Lars Åström	0.03 s	Python 2	2018-10-26 11:24:06
3	Björn Magnusson	0.03 s	Python 2	2018-11-02 22:18:18
4	Jesper Öqvist	0.03 s	Python 2	2018-11-06 20:14:58
5	Oskar Larsson	0.03 s	Python 2	2019-04-11 21:24:36
6	grcd	0.03 s	Python 2	2019-07-30 00:04:02
7	Maj Stenmark	0.03 s	Python 2	2019-10-26 16:16:42
8	Andreas Björklund	0.03 s	Python 2	2021-05-27 20:02:31

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

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-10-10 09:22:43

#	User	Length	Language	Date
1	Chenzhang Hu	680	Bash	2024-04-14 10:21:18

#	User	Length	Language	Date
1	Neile Thomas	1024	C	2025-11-10 00:06:22
2	Lawrence Angelo Lim Acanto	1045	C	2025-11-10 03:48:27
3	Leanna Persaud	1052	C	2025-11-10 06:03:01
4	Samuel Vitor Schmidt	1056	C	2025-11-09 00:59:58
5	Lucas Booher	1204	C	2025-11-10 05:33:21
6	Austin Vodrazka	1248	C	2025-10-30 01:33:04
7	Mirel Cosulschi	1266	C	2024-12-22 16:18:11
8	Nick Nimroozi	1281	C	2025-11-09 18:18:54
9	Antoine Gustave	1349	C	2025-11-09 01:40:42
10	Joshua Evenden-Wallick	1398	C	2025-11-10 05:26:09

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

#	User	Length	Language	Date
1	Brent Yorgey	728	Haskell	2018-11-12 00:26:35

#	User	Length	Language	Date
1	Hidden user	856	Java	2022-02-21 04:29:14
2	Hidden user	1030	Java	2017-11-07 20:56:05
3	Doug Goodman	1103	Java	2018-05-24 22:45:26
4	Matthew Diener	1130	Java	2016-12-03 16:58:49
5	Evan Turner	1289	Java	2025-11-10 01:55:55
6	Aarav Singh	1330	Java	2017-11-10 08:44:28
7	Frank Ruskey	1339	Java	2017-11-07 20:46:22
8	Eimhin McDonald	1449	Java	2017-11-16 21:17:26
9	Mitch Price	1472	Java	2017-11-06 04:48:48
10	Abhiraj Chatterjee	1835	Java	2019-10-23 01:23:48

#	User	Length	Language	Date
1	Jacob Huebner	1180	Kotlin	2020-04-20 11:29:22

#	User	Length	Language	Date
1	Måns Magnusson	492	Python 2	2018-10-26 10:42:17
2	Andreas Björklund	513	Python 2	2021-05-27 20:02:31
3	Jesper Öqvist	600	Python 2	2018-11-06 20:14:58
4	Oskar Larsson	912	Python 2	2019-04-11 21:24:36
5	Maj Stenmark	1190	Python 2	2019-10-26 16:16:42
6	grcd	1233	Python 2	2019-07-30 00:05:37
7	Lars Åström	1256	Python 2	2018-10-26 11:24:06
8	Björn Magnusson	1256	Python 2	2018-11-02 22:18:18

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

#	User	Length	Language	Date
1	Thomas Feld	142	Ruby	2023-10-10 09:35:18

Solution running time distribution