Problem A
Architecture — Problem Statistics

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Submissions	1578
Accepted submissions	755
Submission ratio	47.85%
Authors	709
Full solves [?]	624
Full solve Ratio	88.01%

#	User	Runtime	Language	Date
1	Gaelan McMillan	0.01 s	APL	2024-10-07 20:13:57
2	Thomas Feld	0.01 s	APL	2024-10-08 07:51:45

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2025-09-13 00:34:45

#	User	Runtime	Language	Date
1	Thomas Norris	0.02 s	C#	2020-11-15 16:36:47
2	Robert Warnestam	0.02 s	C#	2021-10-14 21:43:42
3	Marcus Sundström Kanon NET-PAKET-H21-V23 Campus Mölndal	0.02 s	C#	2022-06-10 21:21:46
4	Artur Niewiadomski	0.03 s	C#	2020-11-13 16:22:28
5	Marcus Kanon	0.04 s	C#	2023-08-06 21:31:33
6	Mateo Morales Guzman	0.05 s	C#	2025-06-20 22:40:39

#	User	Runtime	Language	Date
1	Thomas Hoffmann Kilbak	0.03 s	F#	2020-11-13 16:06:06
2	Kristoffer Højelse	0.03 s	F#	2020-11-14 00:33:38

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-11-15 15:46:36
2	Norbert Voelker	0.07 s	Go	2021-09-26 20:29:47

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2023-01-13 13:48:19
2	Steinar Simonnes	0.00 s	Haskell	2023-10-18 18:18:12
3	Brent Yorgey	0.01 s	Haskell	2020-11-08 04:18:47
4	Emil Østergaard	0.01 s	Haskell	2020-11-13 16:49:00
5	Jan Hrček	0.01 s	Haskell	2020-11-14 08:25:46

#	User	Runtime	Language	Date
1	Hussin Suleiman	0.05 s	Java	2024-06-03 01:43:51
2	Mehdi Ben Haddou	0.06 s	Java	2020-11-10 09:42:54
3	Eliot Hennebo	0.06 s	Java	2020-11-11 12:23:27
4	dimicombat	0.06 s	Java	2020-11-11 13:52:00
5	Nadja Brix Koch	0.06 s	Java	2020-11-13 15:05:45
6	Simon Kristiansen	0.06 s	Java	2020-11-13 16:10:14
7	Crystal Sharpe	0.06 s	Java	2020-11-14 03:07:16
8	Steven Cheng	0.06 s	Java	2020-11-15 21:21:50
9	Karl Michelsen	0.06 s	Java	2020-11-19 11:20:51
10	Luke Blazing	0.06 s	Java	2022-09-15 19:16:00

#	User	Runtime	Language	Date
1	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-11-14 04:10:29

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-05-24 13:21:09
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2020-12-31 14:06:27

#	User	Runtime	Language	Date
1	Timothy Gaede	0.60 s	Julia	2024-05-30 05:27:56

#	User	Runtime	Language	Date
1	Jacob Huebner	0.14 s	Kotlin	2020-12-03 09:09:09
2	Adam Rankin	0.20 s	Kotlin	2023-04-26 17:11:17
3	Ali M. Nekoh	0.24 s	Kotlin	2025-06-25 03:40:55
4	Paul McBurney	0.25 s	Kotlin	2025-09-17 22:06:00

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2020-11-11 18:15:13
2	José Ignacio de Alvear Cárdenas	0.03 s	Python 2	2020-11-12 14:09:12
3	Yanmarshus Bachtiar	0.03 s	Python 2	2020-11-14 02:54:07
4	Andreas Björklund	0.03 s	Python 2	2020-12-26 10:03:46
5	Johan Lyts	0.03 s	Python 2	2022-12-12 21:00:59

#	User	Runtime	Language	Date
1	Marius B.	0.04 s	Python 3	2022-06-08 17:15:02
2	Teikn Smith	0.04 s	Python 3	2022-07-02 20:44:36
3	Hidden user	0.04 s	Python 3	2022-07-27 16:21:02
4	Ryan Tan	0.04 s	Python 3	2022-08-02 02:57:08
5	Christophe	0.04 s	Python 3	2022-09-01 14:07:22
6	Peter Stauder	0.04 s	Python 3	2022-09-02 19:21:58
7	Jacob Albers	0.04 s	Python 3	2022-09-08 02:59:29
8	Edmund Fornoff	0.04 s	Python 3	2022-09-08 20:05:26
9	Mukerem Ali Nur	0.04 s	Python 3	2022-09-09 08:06:26
10	Isaac Tietz	0.04 s	Python 3	2022-09-09 19:00:22

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2020-11-08 20:21:19
2	Chris Vilches	0.05 s	Ruby	2021-12-23 15:33:40
3	Thomas Feld	0.06 s	Ruby	2022-12-19 12:06:32
4	Russell Ng	0.06 s	Ruby	2024-08-28 15:27:26
5	Chenzhang Hu	0.07 s	Ruby	2024-10-09 13:53:03

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-05-06 09:47:35
2	Mckinley Xie	0.00 s	Rust	2025-02-07 21:15:36

#	User	Length	Language	Date
1	Thomas Feld	45	APL	2024-10-08 07:56:45
2	Gaelan McMillan	49	APL	2024-10-08 02:50:47

#	User	Length	Language	Date
1	Chenzhang Hu	57	Bash	2025-09-13 00:34:45

#	User	Length	Language	Date
1	Dries Wedda	344	C	2022-09-12 09:01:19
2	Sambit Palit	384	C	2020-11-12 17:56:13
3	April Clark	416	C	2023-02-12 13:10:15
4	Mirel Cosulschi	468	C	2023-12-03 22:34:31
5	Karndanai Udosiriphoclsai	545	C	2024-07-25 06:58:43
6	Hidden user	836	C	2024-11-17 15:14:55
7	Colton Matthews	845	C	2022-09-19 17:52:31
8	Szymon Kucharski	1072	C	2022-09-11 16:41:22
9	DEVARAJ T	1100	C	2025-04-03 15:47:29
10	Bergur Snorrason	2558	C	2020-11-06 09:26:12

#	User	Length	Language	Date
1	Thomas Norris	669	C#	2020-11-15 16:36:47
2	Artur Niewiadomski	791	C#	2020-11-13 16:22:28
3	Mateo Morales Guzman	1480	C#	2025-06-20 22:40:39
4	Marcus Sundström Kanon NET-PAKET-H21-V23 Campus Mölndal	1755	C#	2022-06-10 21:21:46
5	Marcus Kanon	1755	C#	2023-08-06 21:31:33
6	Robert Warnestam	10410	C#	2021-10-14 21:43:42

#	User	Length	Language	Date
1	Nguyễn Công Cường	252	C++	2022-07-22 11:41:44
2	Chenghao Wang	301	C++	2023-02-16 04:04:04
3	Hidden user	308	C++	2020-12-02 12:55:34
4	Nguyen Tran Huu Duc	311	C++	2022-01-06 07:53:19
5	Jesús Pacheco Alonso	325	C++	2024-02-15 14:54:36
6	206 13李祐瑞	326	C++	2024-12-11 12:44:21
7	arda atci	327	C++	2021-10-30 20:51:58
8	lava	331	C++	2024-12-12 13:11:10
9	Mic Rey	336	C++	2025-12-02 14:46:29
10	Yeung Man Tsung	342	C++	2022-12-24 09:36:39

#	User	Length	Language	Date
1	Kristoffer Højelse	397	F#	2020-11-14 00:33:38
2	Thomas Hoffmann Kilbak	564	F#	2020-11-13 16:06:06

#	User	Length	Language	Date
1	Nathan Lee	561	Go	2025-11-15 15:46:36
2	Norbert Voelker	1004	Go	2021-09-26 20:29:47

#	User	Length	Language	Date
1	Brent Yorgey	303	Haskell	2020-11-08 04:18:47
2	Hidden user	355	Haskell	2023-01-13 13:48:19
3	Jan Hrček	400	Haskell	2020-11-14 08:25:46
4	Emil Østergaard	417	Haskell	2020-11-13 16:49:00
5	Steinar Simonnes	592	Haskell	2023-10-18 18:18:12

#	User	Length	Language	Date
1	Emilie Hyslop	567	Java	2020-12-21 10:33:00
2	Quang Long Huynh	569	Java	2021-09-02 06:07:31
3	Isaac Sun	570	Java	2023-11-15 13:49:53
4	Theis Stensgaard	602	Java	2020-11-13 16:29:52
5	Daniel Lundin lind	607	Java	2020-11-13 16:46:17
6	Doug Goodman	667	Java	2021-01-21 19:26:04
7	Adrian Borup	675	Java	2020-11-13 17:28:29
8	Jack Kryger Sørensen	746	Java	2020-11-13 17:37:48
9	Bas te Kolste	774	Java	2022-09-16 08:21:56
10	Anders Dalby	787	Java	2023-11-20 15:30:00

#	User	Length	Language	Date
1	Andoko Chandra	807	JavaScript (Node.js)	2020-11-14 04:10:29

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	77	JavaScript (SpiderMonkey)	2023-05-24 13:22:56
2	Bjørn Chr. Soltvedt	180	JavaScript (SpiderMonkey)	2020-12-31 14:06:27

#	User	Length	Language	Date
1	Timothy Gaede	600	Julia	2024-05-30 05:15:30

#	User	Length	Language	Date
1	Jacob Huebner	259	Kotlin	2020-12-03 09:09:09
2	Paul McBurney	339	Kotlin	2025-09-17 22:06:00
3	Adam Rankin	629	Kotlin	2023-04-26 17:11:17
4	Ali M. Nekoh	980	Kotlin	2025-06-25 03:40:55

#	User	Length	Language	Date
1	Andreas Björklund	179	Python 2	2020-12-26 10:03:46
2	Johan Lyts	206	Python 2	2022-12-12 21:00:59
3	Yanmarshus Bachtiar	228	Python 2	2020-11-14 02:54:07
4	Hidden user	512	Python 2	2020-11-11 18:15:13
5	José Ignacio de Alvear Cárdenas	518	Python 2	2020-11-12 14:09:12

#	User	Length	Language	Date
1	Clement Oh	68	Python 3	2023-06-29 13:34:15
2	Charles Ancheta	80	Python 3	2023-04-12 23:13:42
3	Guk Yi Siong	80	Python 3	2024-01-27 16:13:18
4	Gaelan McMillan	88	Python 3	2022-11-06 00:55:27
5	Wernher To	93	Python 3	2023-09-15 21:17:50
6	Alexandre Douard	95	Python 3	2025-08-08 15:56:29
7	Peter Stauder	101	Python 3	2022-09-02 19:40:51
8	Ahmed Chamseddine	103	Python 3	2025-01-07 09:12:21
9	Aryan Swaminath	104	Python 3	2023-05-08 18:50:30
10	Troels Bjerre Lund	108	Python 3	2021-09-23 20:41:12

#	User	Length	Language	Date
1	Chenzhang Hu	53	Ruby	2024-10-09 13:58:48
2	Thomas Feld	65	Ruby	2022-12-19 12:08:00
3	Russell Ng	73	Ruby	2024-08-28 15:31:01
4	Hidden user	126	Ruby	2020-11-08 20:21:19
5	Chris Vilches	129	Ruby	2022-08-03 18:29:50

#	User	Length	Language	Date
1	Bas Dirks	725	Rust	2022-05-06 09:47:35
2	Mckinley Xie	1316	Rust	2025-02-07 21:15:36

Solution running time distribution