Problem A
Image Decoding — Problem Statistics

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Submissions	2061
Accepted submissions	282
Submission ratio	13.68%
Authors	266
Accepted authors	230
Author ratio	86.47%

#	User	Runtime	Language	Date
1	Arnav	0.01 s	C++	2022-01-16 19:54:44
2	Otavio Sartorelli de Toledo Piza	0.01 s	C++	2022-01-17 01:48:43
3	Lucy Cheng	0.01 s	C++	2022-01-20 20:12:27
4	Ethan Dickey	0.01 s	C++	2022-02-01 02:49:46
5	Richard Feng	0.01 s	C++	2024-08-22 04:03:05
6	Jiaming Situ	0.01 s	C++	2024-08-22 04:07:16
7	Eric Zhang	0.01 s	C++	2024-08-23 02:04:49
8	Alex Park	0.01 s	C++	2024-08-23 02:13:16
9	William Kwon	0.01 s	C++	2024-08-23 04:04:14
10	Noah Trupin	0.01 s	C++	2024-08-23 20:02:15

#	User	Runtime	Language	Date
1	Mikail Khan	0.09 s	Haskell	2022-01-14 19:48:38

#	User	Runtime	Language	Date
1	Leon Wang	0.11 s	Java	2024-09-01 01:53:49
2	Pranay Nandkeolyar	0.14 s	Java	2025-01-18 00:17:26
3	Kabir Batra	0.15 s	Java	2022-01-18 07:21:16
4	Elaine Huang	0.15 s	Java	2024-08-27 17:22:02
5	Benjamin Meshanko	0.16 s	Java	2022-01-14 04:57:39
6	Brian Sun	0.16 s	Java	2022-01-15 18:43:09
7	Daniel Kun Zhang	0.16 s	Java	2025-01-21 21:38:54
8	Hidden user	0.17 s	Java	2022-01-16 01:51:42
9	Brian Qi	0.17 s	Java	2022-01-17 01:13:28
10	Ryan Borzello	0.17 s	Java	2022-01-17 05:52:08

#	User	Runtime	Language	Date
1	John Yuan	0.20 s	JavaScript (Node.js)	2025-08-28 04:51:58

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Python 3	2024-08-27 21:10:21
2	Steven Widjaja	0.06 s	Python 3	2025-01-15 23:29:55
3	Nicholas Kann	0.06 s	Python 3	2025-01-16 22:27:48
4	Kushagr Khanna	0.06 s	Python 3	2025-01-16 22:33:49
5	Eli Farnesi-Dubizh	0.06 s	Python 3	2025-01-22 03:45:48
6	bhavin	0.06 s	Python 3	2025-01-22 22:55:22
7	Kestan Kamei	0.06 s	Python 3	2025-01-22 22:58:21
8	Hidden user	0.06 s	Python 3	2025-08-28 23:00:26
9	Jacob Zietek	0.07 s	Python 3	2022-01-20 06:51:07
10	Nick Adair	0.07 s	Python 3	2024-08-28 20:48:29

#	User	Runtime	Language	Date
1	Ryan Tanaka	0.06 s	Python 3 with NumPy	2024-09-18 19:58:46

#	User	Runtime	Language	Date
1	Caleb Smith	0.08 s	Ruby	2022-01-18 02:10:41

#	User	Runtime	Language	Date
1	Lukas Dutrieux	0.00 s	Rust	2025-08-28 03:24:03
2	Eric Park	0.02 s	Rust	2025-01-15 18:40:21
3	Anirudh Rao	0.06 s	Rust	2022-01-16 06:23:01

#	User	Length	Language	Date
1	Leo Lee	1043	C++	2025-01-19 16:55:01
2	Jayden Lee	1078	C++	2025-01-19 23:03:26
3	Kaan Savasoglu	1078	C++	2025-01-21 16:44:40
4	Noah Trupin	1100	C++	2024-08-23 20:02:15
5	Arnav	1113	C++	2022-01-16 19:54:44
6	Otavio Sartorelli de Toledo Piza	1126	C++	2022-01-17 01:48:43
7	Segyul Park	1141	C++	2024-08-29 19:21:10
8	Nathan Nguyen	1183	C++	2025-01-19 23:40:26
9	Matthew Lee	1191	C++	2025-08-28 21:26:58
10	Riadh Alhumaidan	1244	C++	2024-08-30 21:58:03

#	User	Length	Language	Date
1	Mikail Khan	1399	Haskell	2022-01-14 19:48:38

#	User	Length	Language	Date
1	Charles Chen	1308	Java	2024-08-23 07:25:05
2	Jeffrey Wu	1571	Java	2024-08-23 15:08:40
3	Siddh Saxena	1582	Java	2025-03-04 21:42:15
4	Hidden user	1675	Java	2025-01-18 23:04:31
5	Arnav Daryani	1705	Java	2024-08-28 16:14:22
6	Caasi Boakye	1728	Java	2024-08-25 03:13:57
7	Grace Keeton	1743	Java	2022-01-19 19:44:03
8	Grace Keeton	1743	Java	2022-01-21 05:16:51
9	Harmya Bhatt	1753	Java	2022-01-20 22:52:17
10	Avi Aggarwal	1772	Java	03:14:57

#	User	Length	Language	Date
1	John Yuan	1877	JavaScript (Node.js)	2025-08-28 04:51:58

#	User	Length	Language	Date
1	Munir Kudrati-Plummer	463	Python 3	2024-08-30 00:16:19
2	Ethan Dawes	645	Python 3	05:21:59
3	Jack Augenstine	658	Python 3	2025-01-18 22:44:36
4	Ethan L	660	Python 3	02:13:30
5	Ishan Goel	664	Python 3	2024-08-23 01:09:15
6	Akshat Bisht	676	Python 3	2022-01-21 01:20:10
7	Nikshith Konnuru	698	Python 3	2024-08-23 01:36:16
8	Kian Kasad	748	Python 3	2025-01-16 22:22:03
9	Milosz Fecko	754	Python 3	2025-01-16 23:10:41
10	Bobby Frassinelli	756	Python 3	2025-01-21 05:57:24

#	User	Length	Language	Date
1	Ryan Tanaka	1773	Python 3 with NumPy	2024-09-18 19:58:46

#	User	Length	Language	Date
1	Caleb Smith	676	Ruby	2022-01-18 02:10:41

#	User	Length	Language	Date
1	Anirudh Rao	1175	Rust	2022-01-16 06:23:01
2	Lukas Dutrieux	1974	Rust	2025-08-28 03:24:03
3	Eric Park	2542	Rust	2025-01-15 18:40:21

Solution running time distribution