Problem A
Room Painting — Problem Statistics

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Submissions	1849
Accepted submissions	541
Submission ratio	29.26%
Authors	400
Full solves [?]	392
Full solve Ratio	98.00%

#	User	Runtime	Language	Date
1	Logan Hickok-Dickson	0.03 s	C	2023-02-08 15:59:09

#	User	Runtime	Language	Date
1	Yu-Chen Chan	0.01 s	C++	2024-02-06 06:26:17
2	Richie Tan	0.01 s	C++	2025-02-06 19:34:27
3	Ethan Dickey	0.02 s	C++	2022-02-15 19:10:33
4	Hidden user	0.02 s	C++	2022-02-16 01:03:21
5	Karthik Menon	0.02 s	C++	2022-02-16 21:04:48
6	Yuzhe Liu	0.02 s	C++	2022-02-16 21:18:31
7	Akshat Bisht	0.02 s	C++	2022-02-16 22:19:02
8	Jatin Jain	0.02 s	C++	2022-02-17 00:33:42
9	Vincent Vu	0.02 s	C++	2022-02-17 07:09:57
10	Paola Masiel Rijo Martínez	0.02 s	C++	2022-02-17 23:29:46

#	User	Runtime	Language	Date
1	Mert Karabulut	0.04 s	C++ with Memory Check	2024-02-09 03:49:56
2	Peter Edvardsson	0.08 s	C++ with Memory Check	2026-02-12 01:38:33

#	User	Runtime	Language	Date
1	Mikail Khan	0.69 s	Haskell	2022-02-16 19:08:27

#	User	Runtime	Language	Date
1	Dominic Danborn	0.11 s	Java	2022-02-12 17:52:55
2	Joshua Chang	0.11 s	Java	2022-02-18 01:50:31
3	Kol Greenbaum	0.11 s	Java	2023-02-03 01:37:25
4	Myky Huynh	0.12 s	Java	2022-02-18 03:43:39
5	Aditya Gupta	0.12 s	Java	2022-02-18 05:38:45
6	Jimmy Dinh	0.12 s	Java	2023-02-01 16:30:45
7	Leon Wang	0.12 s	Java	2024-09-11 03:29:05
8	Yufeng Qian	0.13 s	Java	2022-02-17 16:45:45
9	Alvin Lee	0.13 s	Java	2024-09-11 02:40:16
10	Ashwin Chintalapati	0.13 s	Java	2025-02-12 05:48:15

#	User	Runtime	Language	Date
1	Anvit Sinha	0.07 s	Python 3	2024-09-29 03:41:54
2	Shri Atluri	0.07 s	Python 3	2025-02-13 19:23:57
3	Alex Holcomb	0.07 s	Python 3	2026-02-10 19:06:13
4	Sannidhi Agarwal	0.07 s	Python 3	2026-02-11 23:18:51
5	Alex Hunton	0.08 s	Python 3	2023-02-09 19:11:33
6	Brandon Kingma	0.08 s	Python 3	2025-02-12 23:07:19
7	Yuting Xiao	0.08 s	Python 3	2025-02-13 04:16:26
8	Saahil Mathur	0.08 s	Python 3	2025-02-13 09:16:25
9	Eileen Koh	0.08 s	Python 3	2026-02-13 05:27:50
10	Kipling Liu	0.09 s	Python 3	2023-02-03 07:47:09

#	User	Runtime	Language	Date
1	Krish Shah	0.14 s	Python 3 with NumPy	2024-09-18 04:54:06
2	Ryan Tanaka	0.14 s	Python 3 with NumPy	2024-09-24 04:15:42
3	Hidden user	0.28 s	Python 3 with NumPy	2024-02-08 18:49:34

#	User	Runtime	Language	Date
1	Caleb Smith	0.14 s	Ruby	2022-02-11 18:55:24

#	User	Runtime	Language	Date
1	Anirudh Rao	0.02 s	Rust	2022-02-16 05:34:58
2	Daniel Benes-Magana	0.02 s	Rust	2024-02-07 16:13:41
3	Eric Park	0.02 s	Rust	2025-02-08 03:55:51

#	User	Length	Language	Date
1	Logan Hickok-Dickson	1452	C	2023-02-08 15:59:09

#	User	Length	Language	Date
1	Angela Qian	178	C++	2025-02-13 01:16:45
2	Yu-Chen Chan	191	C++	2024-02-06 06:37:27
3	Leo Lee	332	C++	2024-02-01 21:59:06
4	Nikita Gorshkov	332	C++	2025-02-07 05:46:09
5	Kaan Savasoglu	402	C++	2025-02-11 02:52:14
6	Tatha Pandey	402	C++	2026-02-09 03:04:31
7	Ishan Goel	475	C++	2024-09-19 06:05:47
8	Nathan Andrews	491	C++	2024-09-16 05:08:50
9	Roger Li	491	C++	2026-02-08 19:20:17
10	Zachary DeFazio	496	C++	2024-01-31 20:12:39

#	User	Length	Language	Date
1	Peter Edvardsson	631	C++ with Memory Check	2026-02-12 01:38:33
2	Mert Karabulut	1249	C++ with Memory Check	2024-02-09 03:49:56

#	User	Length	Language	Date
1	Mikail Khan	368	Haskell	2022-02-16 19:08:27

#	User	Length	Language	Date
1	Seung Hyun Choi	890	Java	2022-02-18 05:24:14
2	Arnav Daryani	894	Java	2024-09-16 01:15:12
3	Karim Mammadli	962	Java	2023-02-10 07:49:18
4	Peter Jin	1089	Java	2023-02-03 00:45:58
5	Ryan Kwong	1111	Java	2023-02-03 04:34:00
6	Aanya Jha	1130	Java	2023-02-08 22:03:03
7	Arin Asawa	1147	Java	2024-02-08 07:16:15
8	Isaac Fleetwood	1150	Java	2023-02-05 00:59:15
9	Arshnoor Randhawa	1170	Java	2024-02-08 23:43:52
10	harshvardhan sharma	1185	Java	2024-09-16 23:05:32

#	User	Length	Language	Date
1	Pratyanch Jain	194	Python 3	2024-02-01 21:52:00
2	Wilbert	218	Python 3	2026-02-04 20:24:53
3	Ethan Chen	248	Python 3	2026-02-08 23:04:43
4	Munir Kudrati-Plummer	267	Python 3	2026-02-07 22:57:16
5	Hidden user	278	Python 3	2023-02-06 17:18:08
6	Ryce Pi	328	Python 3	2026-02-05 20:22:45
7	David Cho	349	Python 3	2023-12-09 15:20:51
8	Linh Dang	351	Python 3	2026-02-12 06:22:00
9	William Kettleborough	354	Python 3	2024-01-31 19:24:20
10	Saket Chamarti	357	Python 3	2025-02-07 17:22:08

#	User	Length	Language	Date
1	Hidden user	358	Python 3 with NumPy	2024-02-08 18:49:34
2	Krish Shah	1392	Python 3 with NumPy	2024-09-18 04:54:06
3	Ryan Tanaka	1483	Python 3 with NumPy	2024-09-24 04:15:42

#	User	Length	Language	Date
1	Caleb Smith	441	Ruby	2022-02-11 18:55:24

#	User	Length	Language	Date
1	Anirudh Rao	1060	Rust	2022-02-16 05:34:58
2	Daniel Benes-Magana	1937	Rust	2024-02-07 16:13:41
3	Eric Park	2972	Rust	2025-02-08 03:55:51

Solution running time distribution