Problem A
Cinema Crowds — Problem Statistics

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Submissions	3039
Accepted submissions	1181
Submission ratio	38.86%
Authors	1052
Full solves [?]	960
Full solve Ratio	91.25%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-10-22 09:23:29
2	Chenzhang Hu	0.01 s	Bash	2025-09-12 15:51:19

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C#	2021-11-08 16:38:40
2	Adrian Bay Dorph	0.02 s	C#	2021-11-22 22:38:09
3	Hidden user	0.02 s	C#	2021-12-02 21:51:17
4	Mikael Fiala-Lundström	0.02 s	C#	2022-01-30 22:19:24
5	Karoline Øijorden	0.02 s	C#	2022-02-10 16:36:07
6	Ali Aliev	0.02 s	C#	2022-03-12 16:24:32
7	Göran Andersson	0.03 s	C#	2022-05-27 01:11:43
8	Sano Gharzani	0.04 s	C#	2024-03-29 17:12:36
9	Fredrik Jacobsson	0.04 s	C#	2024-08-25 21:50:48
10	Freek van Keulen	0.05 s	C#	2024-02-05 10:52:00

#	User	Runtime	Language	Date
1	Jesper Bengtson	0.04 s	F#	2021-11-26 16:07:26
2	Jacob Harris Cryer Kragh	0.04 s	F#	2022-12-27 15:33:03

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-10-21 11:19:42
2	Jack Kryger Sørensen	0.08 s	Go	2021-11-04 08:31:24
3	Markus Johansen	0.08 s	Go	2021-11-19 09:28:14
4	Niclas Søgaard Hjortkjær	0.08 s	Go	2021-11-26 16:12:03
5	Lukas L. Hjelmstrand	0.08 s	Go	2021-11-26 16:13:13

#	User	Runtime	Language	Date
1	Ng Tek In	0.00 s	Haskell	2022-08-25 18:52:03
2	A Person	0.00 s	Haskell	2023-03-30 04:13:11
3	Steinar Simonnes	0.00 s	Haskell	2024-02-09 15:45:18
4	Brent Yorgey	0.01 s	Haskell	2021-10-26 19:10:06
5	Hidden user	0.01 s	Haskell	2021-11-12 15:28:42

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-05-18 06:10:59
2	Joshua Chin	0.04 s	Java	2025-07-24 19:01:08
3	Achim Ahlers	0.05 s	Java	2024-10-06 21:31:07
4	Vu Minh Hieu	0.06 s	Java	2021-10-16 21:31:51
5	Crystal Sharpe	0.06 s	Java	2021-10-31 03:21:04
6	Joachim Borup	0.06 s	Java	2021-11-03 20:44:57
7	Asmus Tørsleff	0.06 s	Java	2021-11-03 21:03:36
8	Frederik Petersen	0.06 s	Java	2021-11-26 16:44:11
9	Kevin Lim Yong Shen	0.06 s	Java	2022-01-02 07:29:02
10	Ryan Tan	0.06 s	Java	2022-01-28 06:02:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2021-10-12 12:51:45
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-11 11:10:28
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-04 14:18:11

#	User	Runtime	Language	Date
1	Hidden user	0.34 s	Julia	2025-04-08 08:43:21
2	Timothy Gaede	0.60 s	Julia	2024-06-02 05:52:34

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.12 s	Kotlin	2021-11-16 04:55:12
2	Jacob Huebner	0.13 s	Kotlin	2022-03-09 18:13:10
3	Witte, Chet	0.13 s	Kotlin	2022-03-13 01:42:07
4	Ola Sundell	0.14 s	Kotlin	2022-10-07 13:57:42
5	Adam Rankin	0.18 s	Kotlin	2023-05-10 00:01:33
6	Sergey Jakobsen	0.19 s	Kotlin	2021-10-25 23:25:44
7	Martijn Muijsers	0.20 s	Kotlin	2024-06-02 20:19:35

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2022-04-12 16:13:04

#	User	Runtime	Language	Date
1	Ahmad Barhamje	0.01 s	Perl	2025-04-30 20:21:07

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2022-12-03 13:54:47

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2021-10-24 20:41:46
2	Yanmarshus Bachtiar	0.03 s	Python 2	2021-11-01 10:29:45
3	Andreas Björklund	0.03 s	Python 2	2021-11-10 07:30:20

#	User	Runtime	Language	Date
1	Urša Kumelj	0.04 s	Python 3	2022-06-12 12:08:06
2	Elin Andersson	0.04 s	Python 3	2022-06-14 18:39:41
3	Frode Sandberg	0.04 s	Python 3	2022-06-16 23:28:28
4	Weiguo Jiang	0.04 s	Python 3	2022-06-20 02:04:56
5	Teikn Smith	0.04 s	Python 3	2022-06-21 02:43:29
6	Ian Howell	0.04 s	Python 3	2022-06-27 17:23:05
7	Peter Stauder	0.04 s	Python 3	2022-06-27 21:32:24
8	Enrique Puente Carreño	0.04 s	Python 3	2022-07-18 12:36:14
9	Sebastian Pucher	0.04 s	Python 3	2022-07-18 14:52:14
10	Kattis Speedrun	0.04 s	Python 3	2022-07-22 01:15:13

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2021-10-15 19:14:44
2	Eugen Neagoe	0.06 s	Ruby	2023-07-24 20:26:08
3	Lee Isaac	0.06 s	Ruby	2023-07-28 15:03:54
4	Thomas Feld	0.07 s	Ruby	2023-02-10 13:22:27

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2021-10-19 15:20:03
2	Hidden user	0.00 s	Rust	2021-10-23 14:21:32
3	Arnav Sastry	0.00 s	Rust	2021-10-29 01:51:27
4	Alice Ryhl	0.00 s	Rust	2021-11-26 16:08:41
5	Peter Due Jensen	0.00 s	Rust	2021-11-26 16:22:55
6	Bas Dirks	0.00 s	Rust	2022-01-19 07:57:23
7	Eric Pinter	0.00 s	Rust	2022-05-26 04:57:41
8	Artur Khuziakhmetov	0.00 s	Rust	2022-07-24 12:37:15
9	Erik Magnusson	0.00 s	Rust	2024-02-03 18:53:28
10	Vincent Lagerros	0.00 s	Rust	2025-01-30 21:34:45

#	User	Length	Language	Date
1	Chenzhang Hu	49	Bash	2025-09-12 15:51:19
2	Danny Robinson	52	Bash	2023-10-22 09:27:06

#	User	Length	Language	Date
1	Matthew Hartono	240	C	2022-12-06 14:25:13
2	Julian Duniec	241	C	2023-08-27 17:00:58
3	Hidden user	266	C	2025-02-27 16:18:43
4	西瓜雞seeguagee	281	C	2025-10-11 06:18:04
5	AZm87	292	C	2022-02-14 22:41:43
6	Mirel Cosulschi	307	C	2024-10-27 21:41:17
7	Caeden Whitaker	341	C	2021-10-27 22:15:40
8	Nick Hargrove	360	C	2022-01-21 23:07:31
9	Mathias Davidsen	376	C	2021-10-30 16:21:02
10	michael r lederle	402	C	2023-08-20 19:26:17

#	User	Length	Language	Date
1	Freek van Keulen	400	C#	2024-02-05 10:52:00
2	Göran Andersson	630	C#	2022-05-27 01:11:43
3	Fredrik Jacobsson	687	C#	2024-08-25 21:50:48
4	Ali Aliev	690	C#	2022-03-12 16:24:32
5	Mikael Fiala-Lundström	764	C#	2022-01-30 22:19:24
6	Umar Rasyid	764	C#	2025-06-18 18:39:01
7	Adrian Bay Dorph	772	C#	2021-11-26 16:08:05
8	Hidden user	879	C#	2021-11-08 16:38:40
9	Karoline Øijorden	897	C#	2022-02-10 16:36:07
10	Hidden user	984	C#	2021-12-02 21:51:17

#	User	Length	Language	Date
1	Frans Meulenbroeks	107	C++	2025-02-10 23:02:27
2	Guk Yi Siong	125	C++	2023-06-13 07:37:25
3	蔡童彥	193	C++	2024-12-01 07:28:51
4	Grae Yeandle	199	C++	2021-10-31 17:41:44
5	Nguyen Tran Huu Duc	208	C++	2022-01-13 16:10:12
6	程睿	209	C++	2024-11-13 04:33:51
7	Ernest Ng Zi Xuan	212	C++	2023-09-01 11:16:42
8	milki dida	214	C++	2021-12-28 20:33:51
9	張軒	217	C++	2024-11-10 14:13:03
10	Mohsen Mahroos	223	C++	2022-10-18 20:18:19

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	764	F#	2022-12-27 15:33:03
2	Jesper Bengtson	2005	F#	2021-11-26 16:07:26

#	User	Length	Language	Date
1	Lukas L. Hjelmstrand	261	Go	2021-11-26 16:13:13
2	Markus Johansen	291	Go	2021-11-19 09:28:14
3	Jack Kryger Sørensen	321	Go	2021-11-04 08:31:24
4	Niclas Søgaard Hjortkjær	397	Go	2021-11-26 16:12:03
5	Norbert Voelker	624	Go	2021-10-21 11:19:42

#	User	Length	Language	Date
1	A Person	474	Haskell	2023-03-30 04:13:11
2	Steinar Simonnes	477	Haskell	2024-02-09 15:45:18
3	Ng Tek In	540	Haskell	2022-08-25 18:52:03
4	Brent Yorgey	7913	Haskell	2021-10-26 19:10:06
5	Hidden user	15049	Haskell	2021-11-12 15:28:42

#	User	Length	Language	Date
1	Thanh Le	364	Java	2022-12-29 21:38:28
2	Saskia Merkel	370	Java	2022-09-27 00:33:06
3	Aimee	371	Java	2022-04-12 15:36:16
4	Jason Liu	371	Java	2023-05-10 01:43:01
5	Nathaniel Lukas Christianto	371	Java	2023-12-26 12:53:57
6	Thuriya Thwin	377	Java	2023-03-07 15:35:46
7	Crystal Yang	380	Java	2023-03-09 22:02:16
8	Arup Ratan Guha	400	Java	2024-02-17 16:34:43
9	Sean Widjaja	429	Java	2022-02-23 10:03:46
10	Sharanya Chatterjee	440	Java	2022-09-18 21:44:50

#	User	Length	Language	Date
1	Jimmy Gustafsson	106	JavaScript (SpiderMonkey)	2024-08-04 14:18:11
2	Bjørn Chr. Soltvedt	214	JavaScript (SpiderMonkey)	2021-10-12 12:51:45
3	Christian Pilegaard Cederquist	263	JavaScript (SpiderMonkey)	2023-02-11 11:10:28

#	User	Length	Language	Date
1	Hidden user	301	Julia	2025-04-08 08:12:09
2	Timothy Gaede	587	Julia	2024-06-02 05:52:34

#	User	Length	Language	Date
1	Adam Rankin	314	Kotlin	2023-05-10 00:01:33
2	Sergey Jakobsen	324	Kotlin	2021-10-25 23:25:44
3	Jacob Huebner	347	Kotlin	2022-03-09 18:13:10
4	Witte, Chet	347	Kotlin	2022-03-13 01:42:07
5	Ola Sundell	550	Kotlin	2022-10-07 13:57:42
6	Martijn Muijsers	651	Kotlin	2024-06-02 20:19:35
7	Nicholas Johnson	2090	Kotlin	2021-11-16 04:55:12

#	User	Length	Language	Date
1	David Connolly	332	Pascal	2022-04-12 16:13:04

#	User	Length	Language	Date
1	Ahmad Barhamje	396	Perl	2025-04-30 20:21:07

#	User	Length	Language	Date
1	Andriy Zyevakov	422	Prolog	2022-12-03 13:54:47

#	User	Length	Language	Date
1	Andreas Björklund	151	Python 2	2021-11-10 07:30:20
2	Johan Lyts	202	Python 2	2021-10-24 20:41:46
3	Yanmarshus Bachtiar	207	Python 2	2021-11-01 10:29:45

#	User	Length	Language	Date
1	Clement Oh	84	Python 3	2023-07-15 18:49:19
2	Timothy Baeckelant	113	Python 3	2024-04-21 01:18:07
3	Oskar Haarklou Veileborg	116	Python 3	2021-10-13 19:58:26
4	Giovanni Gaio	124	Python 3	2023-08-21 11:18:25
5	Tai Tze Kin	128	Python 3	2024-05-06 21:15:25
6	Iman Khodadi	129	Python 3	2022-02-14 09:37:21
7	Teikn Smith	133	Python 3	2022-06-21 02:43:29
8	Yahya Chibani	134	Python 3	2023-01-18 15:07:43
9	Seyed Mohammad Seyedi	136	Python 3	2025-05-22 16:57:09
10	Klara Bragesjö Björkén	139	Python 3	2025-09-07 15:03:08

#	User	Length	Language	Date
1	Thomas Feld	53	Ruby	2023-02-10 13:22:27
2	Hidden user	132	Ruby	2021-10-15 19:14:44
3	Lee Isaac	178	Ruby	2023-07-28 15:03:54
4	Eugen Neagoe	258	Ruby	2023-07-24 20:26:08

#	User	Length	Language	Date
1	Vincent Lagerros	380	Rust	2025-01-30 21:34:45
2	Artur Khuziakhmetov	529	Rust	2022-07-24 12:37:15
3	Bas Dirks	552	Rust	2022-01-19 07:57:23
4	David Rasch	553	Rust	2021-10-19 15:20:03
5	Peter Due Jensen	606	Rust	2021-11-26 16:22:55
6	Hidden user	808	Rust	2021-10-23 14:21:32
7	Alice Ryhl	868	Rust	2021-11-26 16:08:41
8	Eric Pinter	1180	Rust	2022-05-26 04:57:41
9	Arnav Sastry	2388	Rust	2021-10-29 01:51:27
10	Erik Magnusson	3396	Rust	2024-02-03 18:53:28

Solution running time distribution