Problem A
Moving Pianos — Problem Statistics

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Submissions	4306
Accepted submissions	1061
Submission ratio	24.64%
Authors	911
Full solves [?]	704
Full solve Ratio	77.28%

#	User	Runtime	Language	Date
1	Fredrik Niemelä	0.00 s	C	2005-09-16 19:36:19
2	Jonah Schreiber	0.00 s	C	2014-01-29 15:48:42
3	Rahul Bhati	0.00 s	C	2016-03-19 17:44:17
4	Ivan Petrov	0.00 s	C	2019-09-10 15:53:07
5	Jiqi Wang	0.00 s	C	2020-01-28 04:20:53
6	Prince Zizhuang Wang	0.00 s	C	2020-02-01 08:18:57
7	Aaron Mayer	0.00 s	C	2021-02-22 10:59:26
8	Alexander Bilde Pedersen	0.01 s	C	2023-03-09 00:53:54
9	Mats Linander	0.02 s	C	2006-09-16 18:59:42

#	User	Runtime	Language	Date
1	Matthew Hooper	0.02 s	C#	2021-02-27 22:55:30
2	Андрей Титов	0.03 s	C#	2016-01-25 10:48:57
3	Seth Gunsay	0.03 s	C#	2021-02-24 05:34:52
4	Gabrielius Kudirka	0.03 s	C#	2021-02-25 05:52:39
5	Tyler Crum	0.03 s	C#	2021-02-25 22:30:19
6	Jack Machara	0.03 s	C#	2021-02-26 04:41:07
7	Liming Xue	0.03 s	C#	2021-02-26 07:19:18
8	Rachel Parker	0.03 s	C#	2021-02-26 13:17:09
9	Devin Schwehr	0.03 s	C#	2021-02-26 21:05:33
10	Kelsey Hunzeker	0.03 s	C#	2021-02-26 21:56:26

#	User	Runtime	Language	Date
1	Erlend Fonnes	0.02 s	Go	2021-05-02 18:17:51
2	Việt Hà Nguyễn	0.10 s	Go	2016-07-24 05:47:16
3	Hidden user	0.10 s	Go	2016-07-27 05:14:27

#	User	Runtime	Language	Date
1	Jan Štola	0.07 s	Java	2015-03-15 19:58:57
2	Björn Löfroth	0.09 s	Java	2011-02-03 22:49:52
3	Erik Odenman	0.09 s	Java	2013-01-06 18:53:26
4	Simon Klein	0.09 s	Java	2013-01-06 19:37:20
5	Axel Lewenhaupt	0.09 s	Java	2013-01-14 19:09:09
6	Helena Sjöberg	0.09 s	Java	2013-01-26 19:43:50
7	Carl Henrik Klåvus	0.09 s	Java	2013-01-27 01:05:43
8	Rikard Blixt	0.09 s	Java	2014-01-21 16:14:04
9	Anders Ye	0.09 s	Java	2014-01-28 12:52:36
10	Hidden user	0.09 s	Java	2014-10-27 11:38:57

#	User	Runtime	Language	Date
1	Darragh Burke	0.44 s	JavaScript (Node.js)	2020-02-01 00:57:47
2	Ursula Hebert-Johnson	0.45 s	JavaScript (Node.js)	2020-02-01 04:49:55

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-10-31 22:50:46

#	User	Runtime	Language	Date
1	Øyvind Haarberg	0.06 s	Python 2	2017-11-03 18:04:30
2	Hidden user	0.07 s	Python 2	2019-07-19 09:49:47
3	Cian Ruane	0.08 s	Python 2	2018-04-09 21:32:04
4	Qi Guo	0.09 s	Python 2	2020-01-31 02:13:51
5	Louis Choules	0.09 s	Python 2	2020-10-27 03:23:49
6	Ian Argyle	0.09 s	Python 2	2021-02-26 19:26:47
7	don murr	0.09 s	Python 2	2021-04-28 20:22:36
8	Minh Nguyen	0.09 s	Python 2	2021-12-22 07:37:55
9	Son Tran	0.09 s	Python 2	2023-12-11 04:58:36
10	Wen Li Looi	0.11 s	Python 2	2017-06-03 21:26:27

#	User	Runtime	Language	Date
1	Bjørn Dons	0.04 s	Python 3	2018-10-26 01:15:18
2	Thore Husfeldt	0.04 s	Python 3	2019-04-22 15:58:56
3	Nicole Hedblom	0.04 s	Python 3	2019-05-17 22:40:48
4	Daniel Decker	0.07 s	Python 3	2021-02-25 05:21:41
5	Alexander Stewart	0.07 s	Python 3	2021-02-25 07:18:44
6	Carlin Boyles	0.07 s	Python 3	2023-12-08 00:54:03
7	Logan	0.07 s	Python 3	2023-12-09 05:39:08
8	Ishfaq	0.07 s	Python 3	2025-12-06 07:55:59
9	Eric Törnqvist	0.08 s	Python 3	2020-07-09 17:36:17
10	Paolo Capriotti	0.08 s	Python 3	2020-08-31 05:58:17

#	User	Runtime	Language	Date
1	Andrew Lee	0.00 s	Rust	2021-02-27 05:36:40
2	Daniel Anker Hermansen	0.00 s	Rust	2023-01-01 11:19:50
3	Vincent Lagerros	0.00 s	Rust	2024-09-21 23:27:38
4	Logan Travis	0.01 s	Rust	2025-11-24 05:35:54
5	Krish Lal	0.01 s	Rust	2025-12-01 03:38:14

#	User	Length	Language	Date
1	Mats Linander	1274	C	2006-09-16 18:59:42
2	Aaron Mayer	1294	C	2021-02-22 10:59:26
3	Prince Zizhuang Wang	1428	C	2020-02-01 08:18:57
4	Ivan Petrov	1508	C	2019-09-10 15:53:07
5	Rahul Bhati	1575	C	2016-03-19 17:44:17
6	Jonah Schreiber	1830	C	2014-01-29 15:48:42
7	Alexander Bilde Pedersen	2235	C	2023-03-09 01:03:29
8	Jiqi Wang	2328	C	2020-01-28 04:20:53
9	Fredrik Niemelä	2684	C	2005-09-16 19:36:19

#	User	Length	Language	Date
1	Carter Morgan	2500	C#	2021-02-27 01:57:43
2	Bridger Peterson	2795	C#	2021-02-27 04:17:06
3	Matthew Hooper	3030	C#	2021-02-27 22:55:30
4	Андрей Титов	3031	C#	2016-01-25 10:48:57
5	Jaithra Bhatia	3035	C#	2021-02-26 21:59:21
6	Hidden user	3167	C#	2021-02-26 23:33:13
7	Niles McNabb	3297	C#	2021-02-27 06:15:47
8	Lindsay Wilde	3349	C#	2021-02-25 07:22:30
9	Kelsey Hunzeker	3677	C#	2021-02-26 21:56:26
10	Jack O'Donoghue	3753	C#	2021-02-26 22:08:50

#	User	Length	Language	Date
1	Jayden Cho	670	C++	2022-12-07 18:20:16
2	Evan Michael Bailey	735	C++	2024-02-13 03:37:03
3	Johan Sannemo	888	C++	2013-01-06 14:30:26
4	Modan Han	925	C++	2017-06-03 22:08:31
5	Syx Pek	963	C++	2016-01-29 11:12:03
6	Marc Vinyals	966	C++	2013-01-24 23:10:42
7	Hidden user	1017	C++	2023-12-12 05:49:03
8	Jeffrey Lee	1085	C++	2017-05-09 11:30:38
9	Ignacio Castellano Vega	1090	C++	2022-12-31 20:52:01
10	Nguyễn Quang Long	1110	C++	2019-05-31 18:49:37

#	User	Length	Language	Date
1	Việt Hà Nguyễn	2845	Go	2016-07-24 05:47:16
2	Hidden user	3821	Go	2016-07-27 05:14:27
3	Erlend Fonnes	4249	Go	2021-05-02 18:07:27

#	User	Length	Language	Date
1	Doug Goodman	1354	Java	2018-02-28 19:25:14
2	Ed Liu	1710	Java	2021-02-25 00:56:52
3	Hidden user	1735	Java	2011-02-04 16:17:46
4	Benjamin Jamison	1820	Java	2021-02-27 02:03:31
5	Stephen Royal	2253	Java	2015-08-24 14:58:09
6	Sophia Khalis	2298	Java	2017-08-10 19:50:52
7	Sophia Khalis	2298	Java	2017-08-10 19:51:43
8	Andrew Polizzotto	2364	Java	2020-03-03 23:14:43
9	Martijn Muijsers	2449	Java	2017-03-05 03:24:54
10	Eric O'Donoghue	2479	Java	2021-02-24 21:03:32

#	User	Length	Language	Date
1	Darragh Burke	2311	JavaScript (Node.js)	2020-02-01 00:57:47
2	Ursula Hebert-Johnson	3579	JavaScript (Node.js)	2020-02-01 04:49:55

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1147	JavaScript (SpiderMonkey)	2023-10-31 22:50:46

#	User	Length	Language	Date
1	Wen Li Looi	740	Python 2	2017-06-03 21:26:27
2	Son Tran	1092	Python 2	2023-12-11 04:58:36
3	Cian Ruane	1094	Python 2	2018-04-09 21:32:04
4	Lars Åström	1115	Python 2	2019-05-16 22:29:52
5	Qi Guo	1131	Python 2	2020-01-31 02:13:51
6	Louis Choules	1131	Python 2	2020-10-27 03:23:49
7	Ian Argyle	1131	Python 2	2021-02-26 19:26:47
8	don murr	1131	Python 2	2021-04-28 20:22:36
9	Minh Nguyen	1139	Python 2	2021-12-22 07:37:55
10	Andreas Björklund	1309	Python 2	2019-01-19 11:27:58

#	User	Length	Language	Date
1	Nandan Ramesh	383	Python 3	2023-12-04 02:29:45
2	Michael Goldwasser	470	Python 3	2024-09-27 06:51:40
3	Thibault Raffaillac	540	Python 3	2020-09-21 14:09:58
4	Kelly Dance	627	Python 3	2023-04-22 23:27:57
5	David Sarnago	760	Python 3	2021-07-12 15:01:45
6	Casper Rysgaard	778	Python 3	2021-08-13 13:51:48
7	Mark	803	Python 3	2020-10-29 11:50:24
8	陈昱兴	885	Python 3	2023-11-29 22:36:56
9	Christoffer Sommerlund	890	Python 3	2021-03-12 23:24:23
10	Thore Husfeldt	901	Python 3	2020-11-17 12:17:54

#	User	Length	Language	Date
1	Andrew Lee	2514	Rust	2021-02-27 05:37:52
2	Logan Travis	5903	Rust	2025-11-24 05:35:54
3	Krish Lal	6166	Rust	2025-12-01 03:38:14
4	Vincent Lagerros	17986	Rust	2024-09-21 23:27:38
5	Daniel Anker Hermansen	28454	Rust	2023-01-01 11:19:50

Solution running time distribution