Problem A
Musical Chairs — Problem Statistics

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Submissions	2571
Accepted submissions	960
Submission ratio	37.34%
Authors	952
Accepted authors	824
Author ratio	86.55%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-16 16:06:36

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-10-28 14:05:29
2	Michal Kouril	0.01 s	C	2023-02-17 00:05:12
3	Christian Pletbjerg	0.01 s	C	2023-08-07 09:37:42
4	Harry Iha	0.02 s	C	2019-10-26 19:07:54
5	Ali Orooji	0.03 s	C	2022-02-28 22:40:21
6	Albert Lai	0.08 s	C	2019-10-26 20:30:45
7	Scott Dauer	0.16 s	C	2019-12-03 02:06:19
8	Rosa Shah	0.71 s	C	2022-09-22 08:25:38

#	User	Runtime	Language	Date
1	Jayant Notani	0.05 s	C#	2020-01-26 02:50:18
2	Nathan Andrews	0.05 s	C#	2024-09-27 23:50:04

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2022-01-31 21:29:35

#	User	Runtime	Language	Date
1	Christian Pletbjerg	0.01 s	Haskell	2023-08-07 05:22:32
2	Mason Barnhill	0.04 s	Haskell	2023-08-03 06:31:51

#	User	Runtime	Language	Date
1	Benjamin Meshanko	0.08 s	Java	2022-01-27 05:07:56
2	Payas	0.08 s	Java	2022-01-29 23:20:14
3	Alisa Joan Garcia	0.08 s	Java	2022-01-30 21:25:16
4	Eric Xiao	0.08 s	Java	2022-02-02 04:27:57
5	Aditya Gupta	0.08 s	Java	2022-02-05 00:47:42
6	Bjørn Dons	0.08 s	Java	2023-01-10 22:02:39
7	Aleksei Natalenko	0.09 s	Java	2022-01-31 02:48:13
8	Mehrzad Gandhi	0.09 s	Java	2022-02-02 02:52:08
9	Marc Dominic San Pedro	0.09 s	Java	2024-09-09 05:22:33
10	Taras Romanyuk	0.10 s	Java	2024-04-11 21:57:32

#	User	Runtime	Language	Date
1	Stephanie Keck	0.87 s	JavaScript (Node.js)	2020-01-20 05:36:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2022-06-15 06:14:15
2	Christian Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-07-26 23:20:53

#	User	Runtime	Language	Date
1	Johnny Baloney	0.19 s	Kotlin	2022-03-01 21:37:02
2	Jacob Huebner	0.21 s	Kotlin	2021-06-23 02:43:44
3	Nicholas Johnson	0.21 s	Kotlin	2021-06-25 03:54:40
4	Adam Rankin	0.27 s	Kotlin	2023-09-05 18:35:50

#	User	Runtime	Language	Date
1	Caleb Austin	0.30 s	Lua	2024-09-27 23:06:17

#	User	Runtime	Language	Date
1	Anthony Galea	0.49 s	PHP	2021-01-16 22:50:30

#	User	Runtime	Language	Date
1	Andreas Björklund	0.10 s	Python 2	2021-04-12 18:56:44
2	Bertrand Evertz	0.13 s	Python 2	2020-04-06 13:51:11

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.03 s	Python 3	2019-10-29 15:15:44
2	Tyler Jenkins	0.03 s	Python 3	2019-10-30 23:35:32
3	Alex Labbane	0.03 s	Python 3	2019-11-04 01:05:43
4	Kevin Chen	0.03 s	Python 3	2019-11-13 07:40:52
5	Aaron Dunigan AtLee	0.03 s	Python 3	2019-12-25 18:31:16
6	Brett Holland	0.04 s	Python 3	2019-10-31 05:02:45
7	Zane Metz	0.05 s	Python 3	2022-09-20 03:39:50
8	Nguyễn Bá Khánh Tùng	0.05 s	Python 3	2022-09-22 03:00:26
9	Howard Mah	0.05 s	Python 3	2023-01-28 20:01:34
10	Hakim Temacini	0.05 s	Python 3	2023-02-16 01:33:24

#	User	Runtime	Language	Date
1	Thomas Feld	0.12 s	Ruby	2023-08-08 15:09:04

#	User	Runtime	Language	Date
1	Mikail Khan	0.01 s	Rust	2022-02-02 03:12:55
2	Hidden user	0.01 s	Rust	2024-12-24 02:44:44
3	Mckinley Xie	0.01 s	Rust	2025-03-21 22:21:59
4	Ng Tek In	0.03 s	Rust	2023-10-14 17:23:49

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-16 16:06:36

#	User	Length	Language	Date
1	Rosa Shah	699	C	2022-09-22 08:25:38
2	Ivan Petrov	707	C	2019-10-28 14:05:29
3	Michal Kouril	721	C	2023-02-17 00:05:12
4	Albert Lai	756	C	2019-10-26 20:30:45
5	Scott Dauer	1122	C	2019-12-03 02:06:19
6	Ali Orooji	1525	C	2022-02-28 22:40:21
7	Harry Iha	2436	C	2019-10-26 19:07:54
8	Christian Pletbjerg	42472	C	2023-08-07 09:18:24

#	User	Length	Language	Date
1	Nathan Andrews	780	C#	2024-09-27 23:50:04
2	Jayant Notani	1170	C#	2020-01-26 02:50:18

#	User	Length	Language	Date
1	Frans Meulenbroeks	268	C++	2024-10-31 12:18:57
2	Matthew Tran	368	C++	2020-01-19 17:55:08
3	Lee Bing Heng	372	C++	2022-12-13 10:12:45
4	Dmitry Lyubshin	381	C++	2023-03-28 12:55:17
5	Markus Mathiasen	391	C++	2022-03-15 17:30:35
6	Hidden user	395	C++	2024-02-24 00:25:15
7	NamGyu Seo	400	C++	2019-10-26 16:13:58
8	James Rettie	401	C++	2022-09-21 03:34:06
9	Santiago Rodriguez	409	C++	2021-02-28 22:19:15
10	Utkarsh Singh	423	C++	2021-02-28 21:08:17

#	User	Length	Language	Date
1	Norbert Voelker	725	Go	2022-01-31 21:29:35

#	User	Length	Language	Date
1	Mason Barnhill	481	Haskell	2023-08-03 06:31:51
2	Christian Pletbjerg	2022	Haskell	2023-08-07 05:22:32

#	User	Length	Language	Date
1	Meghan Lin	565	Java	2021-03-02 20:12:59
2	Natalie Longtin	593	Java	2020-02-29 22:05:26
3	Zane Metz	638	Java	2022-02-11 02:24:56
4	Yifan Sun	640	Java	2021-01-25 04:23:29
5	Jack S-J	643	Java	2019-11-02 19:39:30
6	Jeyoos Jaison	688	Java	2022-03-02 21:17:13
7	Jeffrey Formica	711	Java	2023-01-26 19:03:31
8	Ankith Pillay	715	Java	2022-01-27 05:41:59
9	Blake Gassman	723	Java	2022-03-03 04:35:31
10	Stela Palii	749	Java	2024-12-09 20:01:09

#	User	Length	Language	Date
1	Stephanie Keck	2934	JavaScript (Node.js)	2020-01-20 05:36:31

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	214	JavaScript (SpiderMonkey)	2022-06-15 06:14:15
2	Christian Cederquist	240	JavaScript (SpiderMonkey)	2023-07-26 23:20:53

#	User	Length	Language	Date
1	Adam Rankin	412	Kotlin	2023-09-05 18:35:50
2	Johnny Baloney	917	Kotlin	2022-03-01 21:37:02
3	Jacob Huebner	1358	Kotlin	2021-06-23 02:43:44
4	Nicholas Johnson	2233	Kotlin	2021-06-25 03:54:40

#	User	Length	Language	Date
1	Caleb Austin	307	Lua	2024-09-27 23:06:17

#	User	Length	Language	Date
1	Anthony Galea	1840	PHP	2021-01-16 22:50:30

#	User	Length	Language	Date
1	Andreas Björklund	178	Python 2	2021-04-12 18:56:44
2	Bertrand Evertz	1054	Python 2	2020-04-06 13:51:11

#	User	Length	Language	Date
1	Nicholas Russell Saerang	156	Python 3	2025-03-09 14:07:41
2	Jason Clarke	161	Python 3	2024-05-03 22:58:33
3	Hidden user	168	Python 3	2023-09-14 04:35:23
4	Jason Cannon	176	Python 3	2020-01-07 22:22:03
5	Christian Blumenthal	179	Python 3	2020-11-08 21:57:05
6	Ahmed Chamseddine	182	Python 3	2025-05-09 18:55:43
7	Vedant Vyas	188	Python 3	2020-12-05 16:56:41
8	Grayden Price	190	Python 3	2020-11-29 02:30:35
9	Alexandre Charland	191	Python 3	2025-04-01 21:13:43
10	Keaton Martin	195	Python 3	2023-02-11 23:29:18

#	User	Length	Language	Date
1	Thomas Feld	81	Ruby	2023-08-08 15:10:22

#	User	Length	Language	Date
1	Ng Tek In	503	Rust	2023-10-14 17:23:49
2	Mikail Khan	735	Rust	2022-02-02 03:12:55
3	Hidden user	1093	Rust	2024-12-24 02:44:44
4	Mckinley Xie	1233	Rust	2025-03-21 22:21:59

Solution running time distribution