Problem A
The Rectangles Are Surrounding Us! — Problem Statistics

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Submissions	1972
Accepted submissions	908
Submission ratio	46.04%
Authors	800
Full solves [?]	690
Full solve Ratio	86.25%

#	User	Runtime	Language	Date
1	Sambit Palit	0.00 s	C	2020-12-03 23:51:41
2	Ryan O'Hara	0.01 s	C	2017-11-24 03:34:24
3	Mikael K Eriksson	0.01 s	C	2022-04-15 09:56:27
4	Tyler Mulholland	0.01 s	C	2023-03-07 04:04:28
5	Yu-Chen Chan	0.01 s	C	2024-01-17 19:39:38
6	Mirel Cosulschi	0.01 s	C	2025-02-12 12:46:28
7	Nihat Altiparmak	0.03 s	C	2018-09-09 19:21:52
8	Bergur Snorrason	0.05 s	C	2018-12-08 15:25:14
9	Andrew Roberts	0.09 s	C	2020-02-04 18:45:48
10	Sanjiv Dinakar	0.09 s	C	2022-06-27 19:20:54

#	User	Runtime	Language	Date
1	Aurimas Neverauskas	0.26 s	C#	2017-04-27 00:43:46
2	Aleksas Legačinskas	0.27 s	C#	2016-10-01 13:06:57
3	Ugnius Skučas	0.28 s	C#	2016-10-04 21:25:14
4	Tom Inis	0.34 s	C#	2016-10-01 12:01:57
5	Leslie Yip	0.41 s	C#	2022-07-05 10:49:22
6	Michael Damsgaard	0.82 s	C#	2025-01-05 10:00:56
7	Joshua Jacoby	0.98 s	C#	2020-05-24 20:16:27

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.31 s	F#	2023-03-16 18:04:44

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2024-01-11 00:36:17
2	Kurtis Van Gent	0.07 s	Go	2018-09-20 19:30:53
3	Andriy Zyevakov	0.45 s	Go	2019-07-21 11:21:25

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.73 s	Haskell	2024-07-19 21:09:10
2	Hidden user	1.90 s	Haskell	2023-01-21 01:21:20

#	User	Runtime	Language	Date
1	Jimmy Dinh	0.07 s	Java	2023-01-19 06:00:44
2	Peter Jin	0.10 s	Java	2023-01-17 17:19:05
3	Nick Wu	0.13 s	Java	2015-11-10 10:41:52
4	James Black	0.13 s	Java	2017-09-07 22:12:52
5	Terrence Park	0.13 s	Java	2018-07-21 19:41:57
6	Noah Spriggs	0.14 s	Java	2017-03-16 03:56:52
7	Alisa Joan Garcia	0.15 s	Java	2022-01-18 20:02:51
8	Quân Anh	0.15 s	Java	2024-04-25 07:55:12
9	Martijn Muijsers	0.16 s	Java	2016-11-12 02:43:08
10	Hidden user	0.16 s	Java	2024-01-18 21:19:02

#	User	Runtime	Language	Date
1	tannal	0.06 s	JavaScript (Node.js)	2025-06-14 00:10:20

#	User	Runtime	Language	Date
1	Michael Laszlo	0.09 s	JavaScript (SpiderMonkey)	2016-10-23 01:44:44
2	Bjørn Chr. Soltvedt	0.54 s	JavaScript (SpiderMonkey)	2016-10-31 17:49:32
3	Christian Pilegaard Cederquist	1.83 s	JavaScript (SpiderMonkey)	2023-05-29 23:02:16

#	User	Runtime	Language	Date
1	Timothy Gaede	0.86 s	Julia	2024-04-20 07:19:36

#	User	Runtime	Language	Date
1	Benjamin Laurence Erickson	0.22 s	Kotlin	2018-09-16 03:04:33
2	Phường Lên	0.38 s	Kotlin	2020-03-12 01:22:46
3	Adam Rankin	0.40 s	Kotlin	2023-09-25 21:36:23
4	Dayan Ruben Gonzalez	0.54 s	Kotlin	2020-10-09 05:29:46
5	Hidden user	0.55 s	Kotlin	2020-03-13 03:25:55
6	Bradley Richards	0.58 s	Kotlin	2023-03-23 14:30:45
7	Chris Johnson	0.68 s	Kotlin	2024-11-08 22:54:19

#	User	Runtime	Language	Date
1	Peter Hairatidis	1.33 s	Lua	2025-12-02 23:29:37

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.11 s	Pascal	2018-05-08 22:53:39

#	User	Runtime	Language	Date
1	Urban Pettersson	0.09 s	Python 2	2015-10-29 17:17:25
2	Christofer Ohlsson	0.27 s	Python 2	2015-08-23 20:28:41
3	Daniel Palmqvist	0.47 s	Python 2	2015-09-03 18:58:45
4	Asger Hautop Drewsen	0.53 s	Python 2	2020-02-07 10:45:59
5	Johan Lyts	0.54 s	Python 2	2020-04-01 15:28:39
6	Ludvig Lindau	0.67 s	Python 2	2016-01-10 14:51:55
7	Nick Rohn	1.01 s	Python 2	2017-08-28 21:48:10
8	Greg Hamerly	1.37 s	Python 2	2015-12-20 05:17:48
9	Yanmarshus Bachtiar	1.57 s	Python 2	2021-12-21 13:34:05

#	User	Runtime	Language	Date
1	Karis Eschmann	0.06 s	Python 3	2025-11-15 01:04:26
2	Isaac Lee	0.07 s	Python 3	2022-06-21 02:01:44
3	Brett Leonard Lewis	0.07 s	Python 3	2024-12-03 23:49:18
4	Saket Chamarti	0.07 s	Python 3	2025-01-23 22:10:31
5	Jiaming Kong	0.07 s	Python 3	2025-07-07 13:45:00
6	Yuenching Shao	0.08 s	Python 3	2021-09-05 00:26:00
7	Ingvar Þór Jónsson	0.08 s	Python 3	2022-03-30 12:32:29
8	Jan Laan	0.09 s	Python 3	2022-12-07 12:47:42
9	Moiy	0.09 s	Python 3	2024-10-23 20:45:39
10	Aamir Shivji	0.09 s	Python 3	2025-11-24 20:54:34

#	User	Runtime	Language	Date
1	Thomas Feld	0.16 s	Ruby	2023-03-02 10:38:42

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-05-30 03:00:21
2	Lily Gloudemans	0.02 s	Rust	2024-12-03 23:20:51
3	Bas Dirks	0.05 s	Rust	2022-01-28 11:24:08
4	Ng Tek In	0.09 s	Rust	2022-09-09 19:20:08
5	Mikail Khan	0.13 s	Rust	2022-01-14 18:17:46

#	User	Length	Language	Date
1	Hidden user	603	C	2017-11-13 14:59:23
2	Ryan O'Hara	615	C	2017-11-24 03:34:24
3	Mirel Cosulschi	636	C	2025-02-12 12:46:28
4	Mikael K Eriksson	641	C	2022-04-14 22:48:22
5	Andrew Roberts	660	C	2020-02-04 18:45:48
6	Yu-Chen Chan	664	C	2024-01-17 19:39:38
7	Jeff Robertson	739	C	2016-10-04 04:39:00
8	Tyler Mulholland	799	C	2023-03-07 04:04:28
9	Sanjiv Dinakar	1074	C	2022-06-27 19:20:54
10	Nihat Altiparmak	1464	C	2018-09-09 19:21:52

#	User	Length	Language	Date
1	Michael Damsgaard	725	C#	2025-01-05 10:00:56
2	Leslie Yip	906	C#	2022-07-05 10:49:22
3	Ugnius Skučas	1081	C#	2016-10-04 21:43:59
4	Aleksas Legačinskas	1734	C#	2016-10-01 13:06:57
5	Joshua Jacoby	1871	C#	2020-05-24 20:16:27
6	Tom Inis	2227	C#	2016-10-01 12:01:57
7	Aurimas Neverauskas	2699	C#	2017-04-27 00:43:46

#	User	Length	Language	Date
1	Yu-Chen Chan	298	C++	2024-01-17 19:28:49
2	Austin Fernandez	383	C++	2019-10-09 19:04:34
3	Adil Rasiyani	405	C++	2023-03-06 22:44:55
4	Oskar Haarklou Veileborg	417	C++	2015-11-17 11:06:25
5	Qianlang Chen	427	C++	2022-09-27 01:09:55
6	Yeung Man Tsung	430	C++	2022-12-27 07:50:26
7	William Gan	436	C++	2018-01-30 16:25:08
8	Qing Hao Chu	473	C++	2018-04-08 14:39:04
9	Juho Lee	473	C++	2018-04-11 00:29:08
10	Zane Yu	485	C++	2019-01-28 15:19:50

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	2159	F#	2023-03-16 18:04:44

#	User	Length	Language	Date
1	Andriy Zyevakov	956	Go	2019-07-21 11:21:25
2	Norbert Voelker	3121	Go	2021-12-12 00:19:46
3	Kurtis Van Gent	3227	Go	2018-09-20 19:30:53

#	User	Length	Language	Date
1	Hidden user	543	Haskell	2023-01-21 01:21:20
2	Steinar Simonnes	1522	Haskell	2024-07-19 21:09:10

#	User	Length	Language	Date
1	Doug Goodman	533	Java	2018-05-27 19:20:34
2	Felix Burie	669	Java	2016-12-03 23:26:32
3	Yongjun Kim	746	Java	2022-12-04 07:06:55
4	CEColon	782	Java	2022-09-16 01:49:29
5	Hidden user	795	Java	2024-10-04 04:15:06
6	Brian Richer	817	Java	2015-11-12 05:20:36
7	Dave Poplawski	830	Java	2016-10-09 03:46:04
8	Michael Scott	866	Java	2020-10-19 21:10:43
9	Crystal Sharpe	877	Java	2020-06-10 06:27:48
10	John Ladera	888	Java	2020-01-04 16:55:26

#	User	Length	Language	Date
1	tannal	2131	JavaScript (Node.js)	2024-02-19 05:27:45

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	691	JavaScript (SpiderMonkey)	2016-10-31 17:49:32
2	Christian Pilegaard Cederquist	876	JavaScript (SpiderMonkey)	2023-05-29 23:02:16
3	Michael Laszlo	1457	JavaScript (SpiderMonkey)	2016-10-23 01:44:44

#	User	Length	Language	Date
1	Timothy Gaede	2058	Julia	2024-04-20 07:19:36

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	589	Kotlin	2020-10-09 05:29:46
2	Bradley Richards	630	Kotlin	2023-03-23 14:30:45
3	Chris Johnson	672	Kotlin	2024-11-08 22:54:19
4	Adam Rankin	809	Kotlin	2023-09-25 21:36:23
5	Benjamin Laurence Erickson	844	Kotlin	2018-09-15 18:52:40
6	Phường Lên	1062	Kotlin	2020-03-12 01:22:46
7	Hidden user	1699	Kotlin	2020-03-13 03:25:55

#	User	Length	Language	Date
1	Peter Hairatidis	828	Lua	2025-12-02 23:29:37

#	User	Length	Language	Date
1	Ingemar Ragnemalm	593	Pascal	2018-05-08 22:53:39

#	User	Length	Language	Date
1	Asger Hautop Drewsen	436	Python 2	2020-02-07 10:45:59
2	Daniel Palmqvist	477	Python 2	2015-09-03 18:58:45
3	Yanmarshus Bachtiar	484	Python 2	2021-12-21 13:34:05
4	Johan Lyts	501	Python 2	2020-04-01 15:28:39
5	Greg Hamerly	577	Python 2	2015-12-20 05:17:48
6	Ludvig Lindau	594	Python 2	2016-01-10 14:51:55
7	Christofer Ohlsson	770	Python 2	2015-08-23 20:28:41
8	Nick Rohn	827	Python 2	2017-08-28 21:48:10
9	Urban Pettersson	868	Python 2	2015-10-29 17:17:25

#	User	Length	Language	Date
1	Benjamin Z White	169	Python 3	2023-05-13 23:35:38
2	Hugo Morvan	225	Python 3	2022-11-27 22:53:33
3	Ahmed Chamseddine	229	Python 3	2024-09-28 23:49:40
4	Jan Laan	269	Python 3	2022-05-27 11:18:07
5	Artur Khuziakhmetov	269	Python 3	2025-02-12 15:17:12
6	Nicholas Russell Saerang	282	Python 3	2023-08-15 16:25:21
7	Andreas Björklund	286	Python 3	2023-04-11 20:30:02
8	Hidden user	305	Python 3	2023-08-01 17:20:31
9	Victor Song	327	Python 3	2022-09-05 22:16:25
10	Peter Stauder	339	Python 3	2022-10-20 10:02:54

#	User	Length	Language	Date
1	Thomas Feld	123	Ruby	2023-03-02 10:52:26

#	User	Length	Language	Date
1	Bas Dirks	848	Rust	2022-01-28 11:24:08
2	Ng Tek In	879	Rust	2022-09-09 19:20:08
3	Mikail Khan	936	Rust	2022-01-14 18:17:46
4	Lily Gloudemans	1003	Rust	2023-12-19 01:43:30
5	Vincent Lagerros	5109	Rust	2024-05-30 02:05:59

Solution running time distribution