Problem A
AES Encryption — Problem Statistics

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Submissions	16905
Accepted submissions	3506
Submission ratio	20.74%
Authors	834
Full solves [?]	680
Full solve Ratio	81.53%

#	User	Runtime	Language	Date
1	Anton Lyxell	0.02 s	C	2018-02-18 19:50:57
2	Axel Lindeberg	0.02 s	C	2019-02-18 23:46:40
3	Hidden user	0.02 s	C	2020-02-15 16:08:49
4	Hidden user	0.02 s	C	2020-04-27 12:19:37
5	Anton Lilja	0.02 s	C	2020-11-01 18:29:40
6	Gustaf Blomqvist	0.02 s	C	2021-03-13 03:37:19
7	Vincent Lagerros	0.02 s	C	2023-11-15 14:55:38
8	Gabriel Skoglund	0.06 s	C	2023-02-22 01:24:38
9	Linus Ringvall	0.08 s	C	2020-02-13 13:27:59
10	Robert Östling	0.20 s	C	2007-01-29 22:49:33

#	User	Runtime	Language	Date
1	Mati Rachamim	3.76 s	C#	2019-05-20 05:53:59
2	Artem Los	4.49 s	C#	2017-04-19 21:22:49
3	Måns Abrahamsson	6.81 s	C#	2025-01-24 12:00:00
4	Alex Kaufmann	6.96 s	C#	2024-02-11 15:56:54
5	Mille af Rolén	8.72 s	C#	2024-01-22 11:12:57
6	Praveen Kannappan Manikandan	9.15 s	C#	2025-02-22 11:21:57

#	User	Runtime	Language	Date
1	Simon Lindholm	0.01 s	C++	2019-11-19 19:11:01
2	Axel Lindeberg	0.02 s	C++	2019-02-18 23:51:14
3	Anton Lilja	0.02 s	C++	2023-04-30 17:22:29
4	Vincent Lagerros	0.02 s	C++	2023-11-15 14:49:00
5	Hidden user	0.22 s	C++	2010-02-27 21:47:58
6	Ludvig Strigeus	0.23 s	C++	2009-10-22 17:49:12
7	Fredrika Agestam	0.30 s	C++	2016-03-06 14:16:20
8	Ganesh Kumar Subramanian	0.35 s	C++	2018-02-19 16:25:26
9	Adam Hasselwander	0.35 s	C++	2024-01-19 23:28:48
10	Eusebiu Volostiuc	0.36 s	C++	2024-01-20 14:33:20

#	User	Runtime	Language	Date
1	Daniel Tottie	0.19 s	Go	2023-03-06 18:58:15
2	Baptiste Drouet	0.98 s	Go	2026-01-17 06:23:35
3	Hidden user	1.05 s	Go	2023-06-07 01:45:35
4	Eldar Zeynalli	1.13 s	Go	2021-03-01 17:28:42
5	Zakaria Sabbagh	1.20 s	Go	2023-02-03 11:19:27
6	Douglas Fischer	1.84 s	Go	2021-03-05 01:02:05
7	Hidden user	2.73 s	Go	2019-05-17 02:44:32
8	Sina Khoraman	2.78 s	Go	2024-02-25 11:31:12
9	Edwin So	3.30 s	Go	2021-03-02 21:56:17
10	Leonard Lindgren	4.27 s	Go	2025-02-25 16:32:10

#	User	Runtime	Language	Date
1	Mikael Blomstrand	5.20 s	Haskell	2020-02-24 16:49:39
2	Isaac Arvestad	8.60 s	Haskell	2019-05-15 09:10:24

#	User	Runtime	Language	Date
1	Axel Lindeberg	0.52 s	Java	2019-05-14 10:51:33
2	Philippe André Masson	0.61 s	Java	2007-02-05 23:42:35
3	Pontus Hashmi Hector	0.61 s	Java	2025-02-10 02:17:30
4	Erik Borgström	0.72 s	Java	2017-04-15 14:35:09
5	André Brogärd	0.79 s	Java	2021-03-05 12:39:06
6	Sean Wenström	0.93 s	Java	2017-04-16 19:35:22
7	Erik Odenman	1.02 s	Java	2014-02-22 00:46:48
8	Erik Thormarker	1.04 s	Java	2016-06-08 00:36:26
9	Martin Steier	1.07 s	Java	2016-03-02 22:05:52
10	Johan Andersson	1.13 s	Java	2020-02-25 20:09:48

#	User	Runtime	Language	Date
1	William Malmberg	0.74 s	OCaml	2026-01-23 13:51:37

#	User	Runtime	Language	Date
1	Gustav Henningsson	2.59 s	Python 3	2024-03-08 18:51:58
2	Azer Hojlas	2.78 s	Python 3	2023-02-21 17:42:06
3	Mengtian Li	2.85 s	Python 3	2024-03-06 16:26:42
4	Daniel Lai Wikström	2.92 s	Python 3	2024-02-11 12:39:48
5	Naveed Rahman	3.05 s	Python 3	2026-02-01 16:38:42
6	Silvia Lin Lü	3.30 s	Python 3	2026-01-25 18:18:51
7	Simone Brunello	3.68 s	Python 3	2026-01-21 16:23:31
8	Linnéa Wennberg	3.78 s	Python 3	2026-02-02 10:29:48
9	Anton Bromster	3.84 s	Python 3	2025-02-23 17:46:12
10	Hidden user	4.21 s	Python 3	2020-02-03 12:24:36

#	User	Runtime	Language	Date
1	Emil Franzell	7.69 s	Python 3 with NumPy	2024-01-29 17:02:03

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2023-12-29 23:35:07
2	Azeez Daoud	0.02 s	Rust	2025-02-12 13:28:28
3	Josef Anhede	0.02 s	Rust	2026-01-21 22:09:41
4	ersode	0.05 s	Rust	2022-03-04 23:50:38
5	Hidden user	0.10 s	Rust	2019-11-19 15:17:41
6	Daniel Williams	0.11 s	Rust	2023-03-03 00:18:39
7	Diogo Torres Correia	0.20 s	Rust	2024-03-15 16:47:28
8	Baltzar Lagerros	0.22 s	Rust	2025-01-26 00:19:44
9	Theodor Björkman	0.22 s	Rust	2026-01-31 11:24:58
10	Aleksandar Mitic	0.25 s	Rust	2020-01-30 00:40:52

#	User	Runtime	Language	Date
1	Ivar Boqvist	0.71 s	Swift	2026-01-20 01:36:25

#	User	Runtime	Language	Date
1	Mathias Magnusson	0.01 s	Zig	2024-07-06 15:38:12
2	Emil Wallgren	0.43 s	Zig	2025-06-04 15:22:30

#	User	Length	Language	Date
1	Emil Kanerva	1473	C	2025-01-28 11:10:05
2	Anton Lilja	1589	C	2020-11-17 02:24:40
3	Anton Lyxell	1665	C	2018-02-18 19:45:00
4	Hidden user	2196	C	2020-04-19 21:35:30
5	Gustaf Blomqvist	2394	C	2021-03-19 22:38:01
6	Vincent Lagerros	2969	C	2023-11-15 14:55:38
7	Axel Lindeberg	3213	C	2019-02-18 23:23:42
8	Tamás Ferenc Fülöp	4137	C	2026-01-25 16:50:27
9	Anders Westling	4213	C	2010-02-15 11:19:55
10	Hidden user	4213	C	2010-02-21 22:17:49

#	User	Length	Language	Date
1	Praveen Kannappan Manikandan	6140	C#	2025-02-22 11:21:57
2	Artem Los	10281	C#	2017-04-19 21:22:49
3	Mille af Rolén	11330	C#	2024-01-22 11:12:57
4	Mati Rachamim	11427	C#	2019-05-20 06:23:23
5	Alex Kaufmann	12190	C#	2024-02-11 15:56:54
6	Måns Abrahamsson	16248	C#	2025-01-24 12:00:00

#	User	Length	Language	Date
1	Simon Lindholm	1659	C++	2019-11-19 19:11:01
2	Joakim Loxdal	2291	C++	2021-03-29 00:32:14
3	Vincent Lagerros	2483	C++	2023-12-30 14:01:39
4	Anton Lilja	2629	C++	2023-04-30 17:22:29
5	Axel Lindeberg	3427	C++	2019-02-18 23:20:55
6	Shenyu Dai	3439	C++	2026-01-31 11:27:28
7	Aleksander Kregiel	3551	C++	2026-01-22 20:01:45
8	Haik Hovhannesian	3668	C++	2026-01-27 14:23:36
9	Elias Nygren	3882	C++	2025-01-21 13:16:33
10	Man Hin Jeffrey Hon	4051	C++	2013-02-20 20:34:17

#	User	Length	Language	Date
1	Daniel Tottie	558	Go	2023-03-06 19:00:16
2	Baptiste Drouet	4722	Go	2026-01-17 06:23:35
3	Leonard Lindgren	5626	Go	2025-02-25 16:32:10
4	Hidden user	6669	Go	2019-05-17 02:44:32
5	Hidden user	6825	Go	2019-05-15 21:24:47
6	Hannes Hallqvist	8512	Go	2023-01-19 21:55:23
7	Johan Fogelström	8694	Go	2014-03-02 17:55:50
8	Hidden user	9020	Go	2018-02-16 12:45:26
9	Sina Khoraman	9414	Go	2024-02-25 11:31:12
10	Eldar Zeynalli	9751	Go	2021-02-15 05:16:38

#	User	Length	Language	Date
1	Mikael Blomstrand	8918	Haskell	2020-02-24 16:49:39
2	Isaac Arvestad	11911	Haskell	2019-05-19 22:03:57

#	User	Length	Language	Date
1	Samreen Sidhu	525	Java	2026-01-25 17:12:02
2	Xiaomo Yao	759	Java	2022-02-03 01:45:34
3	Daniel Hollsten	817	Java	2014-03-03 13:36:03
4	Christopher Gauffin	1873	Java	2022-02-02 15:29:15
5	Axel Lindeberg	4452	Java	2019-02-24 13:58:19
6	Aleksandar Vorkapic	5556	Java	2017-04-14 12:26:27
7	Hidden user	5718	Java	2015-02-15 20:09:11
8	Fredrik Atmer	6431	Java	2009-03-12 13:40:54
9	Oscar Edenström	6832	Java	2019-05-15 17:57:23
10	Hidden user	6900	Java	2017-04-09 10:18:28

#	User	Length	Language	Date
1	William Malmberg	5095	OCaml	2026-01-22 20:03:56

#	User	Length	Language	Date
1	Karl Walfridson	1818	Python 3	2026-01-19 14:15:56
2	Pontus Karlberg	3534	Python 3	2021-03-05 13:56:58
3	Tomi Toma	3917	Python 3	2024-06-03 19:41:06
4	Linnéa Wennberg	4276	Python 3	2026-02-02 10:29:48
5	Anass Inani	4630	Python 3	2025-03-01 10:47:45
6	Silvia Lin Lü	4979	Python 3	2026-01-25 18:18:51
7	Anton Bromster	5245	Python 3	2025-02-23 17:46:12
8	Felix Winkelmann	5634	Python 3	2026-02-11 15:01:04
9	Marceau Messaussier	5688	Python 3	2026-01-28 17:57:03
10	Vilhelm Prytz	5925	Python 3	2026-01-19 22:23:33

#	User	Length	Language	Date
1	Emil Franzell	11559	Python 3 with NumPy	2024-01-29 17:02:03

#	User	Length	Language	Date
1	Josef Anhede	855	Rust	2026-01-21 15:47:38
2	Azeez Daoud	1409	Rust	2025-02-22 14:31:48
3	Vincent Lagerros	2285	Rust	2023-11-15 16:08:21
4	ersode	3823	Rust	2022-02-28 03:20:05
5	Axel Lindeberg	4310	Rust	2019-05-08 13:52:56
6	Diogo Torres Correia	4599	Rust	2024-01-24 18:01:30
7	Jonathan Blomlöf	5301	Rust	2026-01-19 14:03:01
8	Baltzar Lagerros	5359	Rust	2025-01-25 21:11:01
9	Herman Karlsson	5497	Rust	2020-02-21 10:06:52
10	Tony Kiplagat Cheptoo	6016	Rust	2025-01-22 11:07:50

#	User	Length	Language	Date
1	Ivar Boqvist	7221	Swift	2026-01-20 01:01:38

#	User	Length	Language	Date
1	Mathias Magnusson	275	Zig	2025-02-11 22:08:03
2	Emil Wallgren	7381	Zig	2025-06-04 15:22:30

Solution running time distribution