Problem A
Cinema Seating — Problem Statistics

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Submissions	1160
Accepted submissions	445
Submission ratio	38.36%
Authors	397
Full solves [?]	349
Full solve Ratio	87.91%

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.02 s	C	2025-02-15 16:14:54
2	Bergur Snorrason	0.03 s	C	2021-10-09 15:00:11
3	Eyleifur Bjarkason	0.03 s	C	2021-10-10 15:56:34
4	Nick Hargrove	0.15 s	C	2022-01-21 23:36:02
5	Jake Marchese	0.15 s	C	2022-02-27 08:33:39
6	Jack Gurdin	0.17 s	C	2022-10-29 21:24:07
7	Hidden user	0.17 s	C	2024-10-27 21:42:18
8	Miguel Rodrigues Carrilho Borges	0.18 s	C	2025-09-25 21:48:25
9	Éléo BOUVIER	0.19 s	C	2025-04-07 18:06:57

#	User	Runtime	Language	Date
1	Mattias Vinje	0.33 s	C#	2025-04-04 13:32:25
2	Hidden user	1.04 s	C#	2021-12-02 22:17:47
3	Mikael Fiala-Lundström	1.12 s	C#	2022-01-17 23:22:34

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.03 s	C++	2021-12-31 00:32:28
2	Agis Daniels	0.04 s	C++	2022-01-13 22:40:23
3	Harrison Shen	0.06 s	C++	2021-10-20 22:33:50
4	Hidden user	0.12 s	C++	2021-10-10 10:03:16
5	蔡皓宇	0.12 s	C++	2022-12-10 16:03:59
6	Nihar Shah	0.12 s	C++	2023-02-24 22:14:57
7	Ethan Chen	0.12 s	C++	2023-02-24 22:29:15
8	Howie Morgenthaler	0.12 s	C++	2023-02-24 22:39:04
9	Dmitry Lyubshin	0.12 s	C++	2023-04-07 13:37:11
10	Max Nilsson	0.12 s	C++	2023-06-08 14:58:27

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	1.94 s	F#	2023-03-10 20:18:19

#	User	Runtime	Language	Date
1	Ronas Jacob Coban Olsen	0.11 s	Go	2025-04-17 13:36:41
2	Norbert Voelker	0.24 s	Go	2021-11-04 21:48:41

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.23 s	Haskell	2024-11-01 08:39:11

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.10 s	Java	2025-02-15 15:04:29
2	Joachim Borup	0.19 s	Java	2021-11-12 12:40:34
3	Samuel Klingström	0.21 s	Java	2022-04-27 23:09:14
4	Crystal Sharpe	0.25 s	Java	2021-10-31 03:34:27
5	Bjørn Dons	0.25 s	Java	2022-03-27 12:11:56
6	Andreas Guldborg Hansen	0.37 s	Java	2021-10-17 00:53:52
7	Quân Anh	0.52 s	Java	2024-04-25 08:00:54
8	Gian Peña	0.53 s	Java	2021-12-25 09:24:31
9	Hiếu Vũ Minh	0.55 s	Java	2021-11-25 05:59:07
10	Jeffrey Formica	0.57 s	Java	2023-02-24 22:38:52

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.64 s	JavaScript (SpiderMonkey)	2023-02-22 23:15:58
2	Christian Pilegaard Cederquist	1.35 s	JavaScript (SpiderMonkey)	2023-05-26 14:54:24

#	User	Runtime	Language	Date
1	Timothy Gaede	1.66 s	Julia	2024-07-23 15:27:11

#	User	Runtime	Language	Date
1	Jacob Huebner	0.70 s	Kotlin	2022-04-14 01:09:53
2	Adam Rankin	0.90 s	Kotlin	2023-05-10 00:41:25

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.49 s	Python 2	2021-11-01 05:19:45
2	Andreas Björklund	0.58 s	Python 2	2021-11-10 07:39:56
3	Johan Sannemo	0.79 s	Python 2	2021-10-09 18:52:57

#	User	Runtime	Language	Date
1	Simen Sørensen	0.35 s	Python 3	2025-06-04 00:18:24
2	Faisal sayed	0.35 s	Python 3	2025-07-30 14:20:12
3	Dominic Berzin Chua Way Gin	0.37 s	Python 3	2025-04-18 08:12:29
4	Wayne	0.38 s	Python 3	2022-08-03 21:11:05
5	Hidden user	0.40 s	Python 3	2021-11-14 21:01:09
6	Peter Stauder	0.47 s	Python 3	2023-01-08 15:09:13
7	Nicholas Russell Saerang	0.48 s	Python 3	2023-08-20 04:10:10
8	Sim Yin Ci	0.49 s	Python 3	2022-05-22 18:47:12
9	crapcode	0.50 s	Python 3	2022-05-14 19:36:14
10	Jiaming Kong	0.53 s	Python 3	2025-06-24 18:57:24

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.03 s	Rust	2024-08-03 03:49:29
2	Erik Magnusson	0.08 s	Rust	2024-02-03 19:41:54
3	Bas Dirks	0.11 s	Rust	2022-06-06 22:40:39
4	Hidden user	0.16 s	Rust	2021-10-23 14:37:13
5	Hidden user	0.16 s	Rust	2023-05-13 20:53:39
6	Francis Kloskowski Gniady	0.16 s	Rust	2025-04-07 11:53:31
7	David Rasch	0.17 s	Rust	2021-10-19 15:54:14
8	Ng Tek In	0.17 s	Rust	2022-09-07 20:12:42
9	Freak3r	0.23 s	Rust	2025-09-29 12:20:43
10	Helmut Schneider	0.92 s	Rust	2023-07-14 22:37:24

#	User	Length	Language	Date
1	Éléo BOUVIER	672	C	2025-04-07 18:07:38
2	Hidden user	915	C	2024-10-27 21:42:18
3	Jack Gurdin	1032	C	2022-10-29 21:24:07
4	Miguel Rodrigues Carrilho Borges	1169	C	2025-09-25 21:43:57
5	Guangyi Zhou	1177	C	2025-02-15 16:14:54
6	Jake Marchese	1665	C	2022-02-27 08:33:39
7	Bergur Snorrason	1928	C	2021-10-09 15:00:11
8	Nick Hargrove	2021	C	2022-01-21 23:36:02
9	Eyleifur Bjarkason	7914	C	2021-10-10 15:56:34

#	User	Length	Language	Date
1	Hidden user	2290	C#	2021-12-02 22:17:47
2	Mikael Fiala-Lundström	2332	C#	2022-01-17 23:22:34
3	Mattias Vinje	4137	C#	2025-04-04 13:32:25

#	User	Length	Language	Date
1	Frans Meulenbroeks	281	C++	2025-02-11 10:18:48
2	Michael Goldwasser	385	C++	2025-08-28 07:52:19
3	Ahmed Chamseddine	395	C++	2023-10-05 20:47:30
4	Armen Andreasyan	538	C++	2021-11-25 17:47:34
5	Dmitry Lyubshin	552	C++	2023-04-07 13:37:11
6	Vladyslav Reznikov	575	C++	2024-02-17 17:03:19
7	Matteo Zappia	582	C++	2021-12-06 13:03:02
8	Grae Yeandle	600	C++	2021-11-15 12:46:24
9	Adil Rasiyani	607	C++	2023-02-24 22:15:53
10	Howard Cheng	608	C++	2021-12-04 19:41:40

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1267	F#	2023-03-10 20:18:19

#	User	Length	Language	Date
1	Ronas Jacob Coban Olsen	1072	Go	2025-04-17 13:36:41
2	Norbert Voelker	1483	Go	2021-11-04 21:55:19

#	User	Length	Language	Date
1	Steinar Simonnes	1498	Haskell	2024-11-01 08:28:52

#	User	Length	Language	Date
1	Jackson Simoneau	995	Java	2025-04-04 20:43:15
2	Doug Goodman	1081	Java	2021-10-10 20:52:04
3	Crystal Sharpe	1106	Java	2021-10-31 03:34:27
4	Markus Bao	1121	Java	2024-01-06 15:16:47
5	Lawrence Escano	1153	Java	2023-05-07 15:55:39
6	John Jacob San Francisco	1192	Java	2023-05-07 15:56:57
7	Joshua Chin	1212	Java	2025-06-10 06:16:01
8	Logan Pipes	1467	Java	2024-11-02 17:00:31
9	Simon Baeckelant	1516	Java	2024-01-03 12:59:53
10	Ben Cobb	1540	Java	2023-09-09 05:33:41

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	759	JavaScript (SpiderMonkey)	2023-05-26 14:54:24
2	Bjørn Chr. Soltvedt	805	JavaScript (SpiderMonkey)	2023-02-22 23:15:58

#	User	Length	Language	Date
1	Timothy Gaede	1669	Julia	2024-07-23 15:27:11

#	User	Length	Language	Date
1	Jacob Huebner	1009	Kotlin	2022-04-14 01:09:53
2	Adam Rankin	1258	Kotlin	2023-05-10 00:41:25

#	User	Length	Language	Date
1	Andreas Björklund	392	Python 2	2021-11-10 07:39:56
2	Johan Sannemo	652	Python 2	2021-10-09 18:52:57
3	Yanmarshus Bachtiar	729	Python 2	2021-11-01 05:19:45

#	User	Length	Language	Date
1	Thomas Feld	190	Python 3	2023-10-09 14:02:23
2	Lukas Kerren	270	Python 3	2024-05-18 00:31:45
3	Ahmed Chamseddine	295	Python 3	2023-10-05 21:11:15
4	Michael Goldwasser	331	Python 3	2025-09-02 05:59:43
5	Tai Tze Kin	333	Python 3	2024-05-04 21:50:33
6	Peter Stauder	388	Python 3	2023-01-08 15:10:44
7	Simen Sørensen	418	Python 3	2025-06-04 00:16:58
8	Christian Blumenthal	444	Python 3	2023-08-20 22:17:21
9	Nicholas Russell Saerang	481	Python 3	2023-08-20 04:10:10
10	Wayne	486	Python 3	2022-08-03 21:11:05

#	User	Length	Language	Date
1	David Rasch	1220	Rust	2021-10-19 15:54:14
2	Ng Tek In	1402	Rust	2022-09-07 20:12:42
3	Bas Dirks	1602	Rust	2022-06-06 22:40:39
4	Freak3r	2087	Rust	2025-09-29 12:20:43
5	Hidden user	2154	Rust	2021-10-23 14:37:13
6	Hidden user	2499	Rust	2023-05-13 20:53:39
7	Helmut Schneider	2594	Rust	2023-07-14 22:37:24
8	Francis Kloskowski Gniady	2753	Rust	2025-04-07 11:53:31
9	Arnav Sastry	2904	Rust	2021-11-14 23:10:18
10	Erik Magnusson	4368	Rust	2024-02-03 19:41:54

Solution running time distribution