Problem A
Dance Recital — Problem Statistics

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Submissions	4318
Accepted submissions	1529
Submission ratio	35.41%
Authors	1131
Accepted authors	931
Author ratio	82.32%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.05 s	C	2019-11-05 13:23:41
2	Muhammad Tahir Ghazi	0.05 s	C	2024-02-06 08:36:43
3	Adam Evans	0.12 s	C	2016-08-24 01:26:59
4	Jeff Robertson	0.12 s	C	2016-10-01 21:41:46
5	Bergur Snorrason	0.12 s	C	2019-10-30 22:00:06
6	Arup Ratan Guha	0.12 s	C	2021-09-17 16:23:26
7	Jonathan Prawiromaruto	0.12 s	C	2021-09-27 16:42:18
8	Hidden user	0.12 s	C	2022-02-11 20:42:15
9	Andrew Liu	0.13 s	C	2016-10-02 20:32:22
10	Hidden user	0.17 s	C	2024-07-27 21:28:04

#	User	Runtime	Language	Date
1	Andrzej Krajniak	0.10 s	C#	2016-11-04 00:00:24
2	Louis Rivera	0.22 s	C#	2020-09-26 20:31:31
3	Utku Yurter	0.29 s	C#	2016-10-02 20:06:31

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Common Lisp	2019-07-26 07:50:31

#	User	Runtime	Language	Date
1	Norbert Voelker	0.15 s	Go	2022-02-20 12:28:49
2	Albert Leung	0.62 s	Go	2024-08-18 23:18:56

#	User	Runtime	Language	Date
1	Ariana Herbst	0.08 s	Java	2016-10-01 20:32:42
2	Phillip Ngo	0.08 s	Java	2016-10-01 22:04:33
3	Godmar Back	0.08 s	Java	2016-10-03 17:13:42
4	Ray Bai	0.09 s	Java	2020-11-05 01:09:00
5	Santiago Rivas	0.09 s	Java	2025-07-27 19:01:32
6	Martijn Muijsers	0.10 s	Java	2017-05-01 11:25:32
7	Sarmed Ahmed Usmani	0.10 s	Java	2022-10-03 07:02:09
8	Minju Kang	0.10 s	Java	2024-11-27 23:46:46
9	Aldo Brigneti	0.11 s	Java	2020-09-26 04:13:26
10	Alex Zuckut	0.13 s	Java	2017-04-09 15:59:12

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2023-02-22 14:44:22
2	Christian Cederquist	0.19 s	JavaScript (SpiderMonkey)	2023-07-05 01:13:44

#	User	Runtime	Language	Date
1	Hidden user	0.34 s	Kotlin	2020-04-15 02:44:46
2	Adam Koprowski	0.83 s	Kotlin	2020-11-21 19:42:01

#	User	Runtime	Language	Date
1	Andreas Björklund	0.05 s	Python 2	2021-06-10 16:15:12
2	Godmar Back	0.09 s	Python 2	2016-10-03 16:34:31
3	Pratham	0.11 s	Python 2	2025-04-22 06:47:23
4	Hermon Mulat	0.20 s	Python 2	2019-02-02 00:02:59
5	Hidden user	0.21 s	Python 2	2020-09-26 02:14:02
6	Kasper Borys	0.34 s	Python 2	2016-10-01 20:53:46
7	Harry Smidt	0.34 s	Python 2	2019-10-11 15:07:53
8	Matevz Javornik	0.66 s	Python 2	2018-05-09 13:16:38
9	MingChun Chen	0.66 s	Python 2	2020-10-03 08:31:38
10	Chinagorom Mbaraonye	0.68 s	Python 2	2019-12-04 04:01:27

#	User	Runtime	Language	Date
1	Toby Nguyen	0.05 s	Python 3	2025-03-22 19:03:27
2	dev p	0.05 s	Python 3	2025-04-19 08:05:09
3	Jeremiah Daniel Regalario	0.05 s	Python 3	2025-06-15 20:34:09
4	Jiaming Kong	0.05 s	Python 3	2025-08-07 17:30:47
5	Radu S	0.06 s	Python 3	2024-11-07 14:14:17
6	Emily Roest	0.06 s	Python 3	2024-11-27 22:25:33
7	Micah Kuizon	0.06 s	Python 3	2025-03-22 19:49:05
8	Maulik Nileshbhai Mangukiya	0.06 s	Python 3	2025-04-18 21:06:42
9	Oskar Haarklou Veileborg	0.07 s	Python 3	2020-05-05 22:42:13
10	Hijab Fatima	0.07 s	Python 3	2024-01-28 15:11:26

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-06-05 00:00:12
2	Pahlevi Fikri Auliya	0.25 s	Rust	2021-02-27 09:34:57
3	Iker Lissarrague	0.75 s	Rust	2022-04-01 00:05:43

#	User	Length	Language	Date
1	pengin	940	C	2021-06-01 12:49:35
2	Hidden user	1251	C	2024-07-27 21:28:04
3	Andrew Liu	1431	C	2016-10-02 20:32:22
4	Jeff Robertson	1695	C	2016-10-01 21:41:46
5	Bergur Snorrason	1969	C	2019-10-30 22:00:06
6	Ivan Petrov	2107	C	2019-11-05 13:23:41
7	Muhammad Tahir Ghazi	2152	C	2024-02-06 08:36:43
8	Adam Evans	2298	C	2016-08-24 01:26:59
9	Arup Ratan Guha	2397	C	2021-09-17 19:22:07
10	Hidden user	2799	C	2022-02-11 20:42:15

#	User	Length	Language	Date
1	Utku Yurter	2483	C#	2016-10-02 20:06:31
2	Andrzej Krajniak	4906	C#	2016-11-04 00:00:24
3	Louis Rivera	7495	C#	2020-09-26 20:31:31

#	User	Length	Language	Date
1	Sidhant Bansal	457	C++	2018-02-01 12:42:13
2	William Gan	466	C++	2017-12-18 16:27:11
3	Herman Karlsson	467	C++	2015-12-20 00:34:17
4	Hidden user	489	C++	2021-08-19 21:37:06
5	Hidden user	503	C++	2015-11-30 01:56:19
6	Vũ Ngọc Quốc Khánh	544	C++	2019-10-08 15:50:48
7	Way Tan	545	C++	2020-01-22 04:57:29
8	study	546	C++	2021-08-19 21:11:37
9	Atli Fannar Franklín	557	C++	2024-10-19 15:49:57
10	Wang Zhi Jian	580	C++	2018-02-14 13:18:17

#	User	Length	Language	Date
1	Hidden user	1207	Common Lisp	2019-07-26 06:26:51

#	User	Length	Language	Date
1	Norbert Voelker	1385	Go	2022-02-20 12:28:49
2	Albert Leung	2148	Go	2024-08-18 23:18:56

#	User	Length	Language	Date
1	Jiru Xu	987	Java	2017-10-27 01:44:03
2	Ronald Rojas	1019	Java	2017-05-20 19:33:31
3	Doug Goodman	1051	Java	2017-07-31 01:37:16
4	Noah Seligson	1151	Java	2022-02-17 06:16:33
5	Marc Dominic San Pedro	1177	Java	2024-02-14 08:22:26
6	Alex Zuckut	1198	Java	2017-04-09 15:59:12
7	Kaido Fuchimoto	1221	Java	2022-02-17 04:54:50
8	Arup Ratan Guha	1262	Java	2025-01-07 17:21:15
9	Jose Pablo	1274	Java	2021-01-15 03:47:23
10	Jacob Cordonero	1280	Java	2022-02-17 21:39:18

#	User	Length	Language	Date
1	Christian Cederquist	989	JavaScript (SpiderMonkey)	2023-07-05 01:13:44
2	Bjørn Chr. Soltvedt	990	JavaScript (SpiderMonkey)	2023-02-22 14:44:22

#	User	Length	Language	Date
1	Hidden user	1544	Kotlin	2020-04-15 02:44:46
2	Adam Koprowski	1787	Kotlin	2020-11-21 19:42:01

#	User	Length	Language	Date
1	Andreas Björklund	558	Python 2	2021-06-10 16:15:12
2	Harry Smidt	568	Python 2	2019-10-11 15:07:53
3	Godmar Back	668	Python 2	2016-10-03 16:16:39
4	Kasper Borys	676	Python 2	2016-10-01 20:53:46
5	Hermon Mulat	930	Python 2	2019-02-02 00:02:59
6	Hidden user	973	Python 2	2020-09-26 02:14:02
7	Pratham	1095	Python 2	2025-04-22 06:47:23
8	Chinagorom Mbaraonye	1160	Python 2	2019-12-04 04:01:27
9	MingChun Chen	1471	Python 2	2020-10-03 08:31:38
10	Matevz Javornik	1953	Python 2	2018-05-09 13:16:38

#	User	Length	Language	Date
1	Benjamin Z White	258	Python 3	2023-04-08 20:08:44
2	Nicholas Russell Saerang	267	Python 3	2023-11-22 00:06:52
3	Michael Wu	300	Python 3	2024-08-29 03:40:36
4	Mithul Manivannan	399	Python 3	2021-01-09 19:56:00
5	harshvardhan sharma	433	Python 3	2024-09-09 03:38:36
6	sai teja	466	Python 3	2025-06-17 07:51:28
7	Oskar Haarklou Veileborg	474	Python 3	2020-05-05 22:42:13
8	Ryan Tan	523	Python 3	2025-06-03 16:21:23
9	Tam Keng Hong	537	Python 3	2024-04-18 17:58:30
10	Iman Khodadi	550	Python 3	2022-06-04 15:32:25

#	User	Length	Language	Date
1	Vincent Lagerros	1131	Rust	2025-06-05 00:00:12
2	Iker Lissarrague	1427	Rust	2022-04-01 00:05:43
3	Pahlevi Fikri Auliya	2837	Rust	2021-02-27 09:34:57

Solution running time distribution