Problem A
Big Boxes — Problem Statistics

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Submissions	1336
Accepted submissions	665
Submission ratio	49.78%
Authors	579
Full solves [?]	517
Full solve Ratio	89.29%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2020-11-19 21:05:59
2	Santiago Rodriguez	0.02 s	C	2020-10-24 23:37:08
3	Jaan Jaerving	0.02 s	C	2022-01-30 20:26:19
4	Katja Nikole Vernharðsdóttir	0.02 s	C	2023-02-08 20:01:18
5	Mirel Cosulschi	0.02 s	C	2024-03-24 13:56:09
6	LORENA-ELENA DOBRE	0.02 s	C	2024-12-04 16:58:50

#	User	Runtime	Language	Date
1	Ahmad Barhamje	0.08 s	C#	2022-12-03 15:09:18
2	Andriy Zyevakov	0.09 s	C#	2025-01-24 07:11:14

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C++	2020-11-21 15:56:14
2	Zijun Meng	0.01 s	C++	2020-12-30 14:05:17
3	Frank Endriss	0.01 s	C++	2021-02-07 22:57:39
4	Jonathan Hallström	0.01 s	C++	2022-02-12 11:42:13
5	Filip Hovorka	0.01 s	C++	2022-05-08 00:27:28
6	Choi Min Suk	0.01 s	C++	2022-08-15 17:15:39
7	Anish Kambhampati	0.01 s	C++	2023-02-10 01:46:52
8	Maanas Karwa	0.01 s	C++	2023-02-12 03:39:06
9	Devin Qu	0.01 s	C++	2023-02-13 03:34:25
10	Konstantin Liehr	0.01 s	C++	2023-02-17 06:17:49

#	User	Runtime	Language	Date
1	Norbert Voelker	0.01 s	Go	2024-10-05 22:41:00

#	User	Runtime	Language	Date
1	Ng Tek In	0.03 s	Haskell	2023-10-24 21:04:19
2	TJ Takei	0.06 s	Haskell	2025-08-05 21:17:25
3	Brent Yorgey	0.08 s	Haskell	2020-11-29 00:41:47
4	Steinar Simonnes	0.08 s	Haskell	2025-05-19 15:16:26
5	Hidden user	0.21 s	Haskell	2023-03-10 11:17:53

#	User	Runtime	Language	Date
1	Alvin Lee	0.07 s	Java	2024-09-20 02:32:33
2	Nolan Witt	0.08 s	Java	2025-09-09 00:56:00
3	Jack Fang	0.09 s	Java	2024-09-20 01:26:49
4	Leon Wang	0.09 s	Java	2024-09-20 01:27:36
5	Yibo Huang	0.10 s	Java	2020-10-24 21:10:25
6	Bjørn Dons	0.10 s	Java	2020-12-28 20:28:13
7	Kol Greenbaum	0.10 s	Java	2023-02-10 02:29:25
8	Jimmy Dinh	0.10 s	Java	2023-02-10 05:47:51
9	Abel Zajzon	0.10 s	Java	2023-02-16 20:12:44
10	Crystal Sharpe	0.11 s	Java	2021-01-10 22:22:16

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.06 s	JavaScript (SpiderMonkey)	2022-03-21 20:28:41
2	Christian Pilegaard Cederquist	0.07 s	JavaScript (SpiderMonkey)	2023-11-13 19:42:58
3	Zach Tschetter	0.11 s	JavaScript (SpiderMonkey)	2023-06-23 18:31:31

#	User	Runtime	Language	Date
1	Timothy Gaede	0.46 s	Julia	2025-09-08 09:00:40

#	User	Runtime	Language	Date
1	Andy Phan	0.31 s	Kotlin	2020-10-24 21:07:58

#	User	Runtime	Language	Date
1	Óðinn Ágústsson	0.16 s	Lua	2025-02-07 13:00:18

#	User	Runtime	Language	Date
1	Christopher Gou	0.07 s	Python 3	2024-09-20 01:30:28
2	Praval Kollipara	0.07 s	Python 3	2024-09-23 17:08:31
3	Angela Yan	0.07 s	Python 3	2024-09-25 05:36:19
4	Hayden White	0.07 s	Python 3	2024-09-26 22:08:51
5	Ron Natarajan	0.07 s	Python 3	2024-09-26 23:49:36
6	Jimmy Dinh	0.07 s	Python 3	2024-09-27 04:35:10
7	Anvit Sinha	0.07 s	Python 3	2024-09-29 03:26:30
8	Sarayu Kondaveeti	0.07 s	Python 3	2024-10-14 17:39:17
9	Sam Grieggs	0.07 s	Python 3	2024-10-31 20:36:48
10	Måns Magnusson	0.07 s	Python 3	2024-11-06 18:06:00

#	User	Runtime	Language	Date
1	Thomas Feld	0.97 s	Ruby	2023-08-09 08:59:17

#	User	Runtime	Language	Date
1	Hugo Lindström	0.01 s	Rust	2022-04-03 22:29:56
2	Niklas Sandén	0.01 s	Rust	2023-01-18 17:56:49
3	Valdimar Örn	0.01 s	Rust	2023-02-07 14:06:50
4	Vincent Lagerros	0.01 s	Rust	2024-09-05 00:57:39
5	Daniel Anker Hermansen	0.01 s	Rust	2024-10-04 08:10:58

#	User	Length	Language	Date
1	Santiago Rodriguez	762	C	2020-10-24 23:37:08
2	Mirel Cosulschi	911	C	2024-03-24 13:56:09
3	Jaan Jaerving	1022	C	2022-01-30 20:26:19
4	Katja Nikole Vernharðsdóttir	1402	C	2023-02-08 20:01:18
5	Bergur Snorrason	1901	C	2020-11-19 21:05:59
6	LORENA-ELENA DOBRE	2821	C	2024-12-04 16:58:50

#	User	Length	Language	Date
1	Ahmad Barhamje	1049	C#	2022-12-03 15:09:18
2	Andriy Zyevakov	8764	C#	2025-01-24 07:11:14

#	User	Length	Language	Date
1	a_b__c	311	C++	2021-02-20 20:12:07
2	Kyle Yip	481	C++	2020-10-24 21:12:53
3	Lee Zheng Han	486	C++	2022-12-01 17:19:51
4	Nguyen Xuan Tung	507	C++	2021-05-01 15:14:41
5	Clement Oh	518	C++	2024-01-28 07:21:58
6	Lorena Hantig	520	C++	2021-01-19 11:26:40
7	Dmitry Lyubshin	521	C++	2023-04-05 18:14:58
8	Teikn Smith	521	C++	2024-05-05 23:43:00
9	Atli Fannar Franklín	522	C++	2023-05-11 17:00:14
10	Zac Friggstad	533	C++	2020-10-31 00:28:45

#	User	Length	Language	Date
1	Norbert Voelker	1330	Go	2024-10-05 22:44:51

#	User	Length	Language	Date
1	Hidden user	541	Haskell	2023-03-10 11:17:53
2	Steinar Simonnes	1238	Haskell	2025-05-19 15:17:43
3	Ng Tek In	1330	Haskell	2023-10-24 21:04:19
4	Brent Yorgey	3791	Haskell	2020-11-29 00:41:47
5	TJ Takei	8050	Haskell	2025-08-05 21:17:25

#	User	Length	Language	Date
1	Lior Barak	776	Java	2020-10-24 21:04:55
2	Fiona Barry	908	Java	2020-10-24 21:16:54
3	UnrealArcher12	933	Java	2020-12-08 19:40:31
4	Jay Doshi	940	Java	2020-10-24 21:38:58
5	Crystal Sharpe	976	Java	2021-01-10 22:22:16
6	Travis Meade	1000	Java	2022-01-05 21:37:36
7	Jay Mehta	1062	Java	2023-02-17 03:58:05
8	Arup Ratan Guha	1080	Java	2020-10-24 21:13:38
9	Ben Zheng	1112	Java	2020-10-24 21:11:28
10	Arnav Daryani	1129	Java	2024-09-25 23:16:37

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	520	JavaScript (SpiderMonkey)	2023-11-13 19:42:58
2	Zach Tschetter	620	JavaScript (SpiderMonkey)	2023-06-23 18:31:31
3	Bjørn Chr. Soltvedt	724	JavaScript (SpiderMonkey)	2022-03-21 20:28:41

#	User	Length	Language	Date
1	Timothy Gaede	802	Julia	2025-09-08 09:00:40

#	User	Length	Language	Date
1	Andy Phan	1102	Kotlin	2020-10-24 21:07:58

#	User	Length	Language	Date
1	Óðinn Ágústsson	838	Lua	2025-02-07 13:00:18

#	User	Length	Language	Date
1	Benjamin Z White	179	Python 3	2023-06-27 22:21:13
2	Oskar Haarklou Veileborg	275	Python 3	2021-01-08 15:49:50
3	Tómas Kristinn	316	Python 3	2023-02-04 23:18:09
4	Adolfo Antonio Peniche Castro	321	Python 3	2025-04-09 19:12:29
5	Andreas Björklund	337	Python 3	2023-04-27 11:53:52
6	Ahmed Chamseddine	347	Python 3	2025-02-07 18:07:41
7	Tan Yi Long	347	Python 3	2025-05-01 16:37:52
8	Seyed Mohammad Seyedi	352	Python 3	2025-05-28 20:27:38
9	Yong Mao	362	Python 3	2023-04-12 23:13:37
10	Nicholas Russell Saerang	369	Python 3	2023-09-30 13:28:14

#	User	Length	Language	Date
1	Thomas Feld	97	Ruby	2023-08-09 08:59:17

#	User	Length	Language	Date
1	Hugo Lindström	990	Rust	2022-04-04 08:34:59
2	Valdimar Örn	1300	Rust	2023-02-07 14:08:47
3	Vincent Lagerros	17733	Rust	2024-09-05 00:57:39
4	Niklas Sandén	26160	Rust	2023-01-18 17:56:49
5	Daniel Anker Hermansen	27816	Rust	2024-10-04 08:10:58

Solution running time distribution