Problem A
Canvas Painting — Problem Statistics

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Submissions	3100
Accepted submissions	1094
Submission ratio	35.29%
Authors	957
Full solves [?]	822
Full solve Ratio	85.89%

#	User	Runtime	Language	Date
1	Agis Daniels	0.02 s	C	2022-01-11 17:55:49
2	Ivan Petrov	0.03 s	C	2018-03-22 11:05:34
3	SiBi	0.03 s	C	2019-02-16 07:44:55
4	Mirel Cosulschi	0.03 s	C	2023-01-08 22:19:45
5	Cristi Matei	0.03 s	C	2024-10-18 22:47:46

#	User	Runtime	Language	Date
1	Mark Wong Tau Yew	0.02 s	C++	2019-10-22 15:29:58
2	Agis Daniels	0.02 s	C++	2022-01-11 17:41:04
3	Nick Wu	0.03 s	C++	2016-10-29 19:56:20
4	Lingsong Zeng	0.03 s	C++	2016-10-29 20:36:40
5	Giuseppe Vietri	0.03 s	C++	2016-10-29 22:51:27
6	Bjarki Ágúst Guðmundsson	0.03 s	C++	2016-10-30 02:35:59
7	Jorik Jooken	0.03 s	C++	2016-11-12 17:22:23
8	Sabit Zahin	0.03 s	C++	2017-01-26 22:28:45
9	Bernhard Kartefla	0.03 s	C++	2017-01-28 23:37:58
10	Paul Jungeblut	0.03 s	C++	2017-03-19 16:08:19

#	User	Runtime	Language	Date
1	Norbert Voelker	0.18 s	Go	2021-11-15 21:37:17

#	User	Runtime	Language	Date
1	Fong Kai Jie	0.16 s	Java	2024-11-13 12:52:31
2	Goh Hong Wei, Shawn	0.17 s	Java	2024-10-19 12:57:32
3	Kevin Lim Yong Shen	0.20 s	Java	2022-04-26 15:54:42
4	Bjørn Dons	0.22 s	Java	2022-04-13 09:53:18
5	Kensen Shi	0.30 s	Java	2016-10-29 21:24:55
6	Doug Goodman	0.30 s	Java	2018-07-07 15:37:44
7	Noel Lim	0.30 s	Java	2024-09-18 09:31:24
8	ZHANG XIAOYANG	0.30 s	Java	2024-09-19 16:58:11
9	Ang Wei Jian	0.30 s	Java	2024-10-03 10:59:30
10	Choo Jun Inn Darren	0.30 s	Java	2024-10-12 10:40:01

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.36 s	JavaScript (SpiderMonkey)	2023-11-09 08:36:18

#	User	Runtime	Language	Date
1	Adam Rankin	0.57 s	Kotlin	2023-09-28 18:16:42
2	Bobby Chien	0.59 s	Kotlin	2021-04-03 17:40:06
3	Min-Zheng Shieh	0.63 s	Kotlin	2021-03-12 14:25:48

#	User	Runtime	Language	Date
1	Yupeng Gu	0.24 s	Python 2	2018-04-19 01:48:45
2	Johan Lyts	0.24 s	Python 2	2021-01-17 14:18:39
3	Andreas Björklund	0.25 s	Python 2	2019-10-10 18:10:02

#	User	Runtime	Language	Date
1	Austin Fernandez	0.17 s	Python 3	2019-10-31 09:02:25
2	Lai Zhuoyuan	0.18 s	Python 3	2023-03-22 00:00:43
3	Hidden user	0.18 s	Python 3	2024-11-27 18:01:02
4	Hidden user	0.19 s	Python 3	2022-03-30 16:14:58
5	Liu Yuchen	0.20 s	Python 3	2022-10-31 06:38:52
6	鄭博文	0.20 s	Python 3	2023-03-03 14:57:16
7	Nicolas Testu	0.20 s	Python 3	2023-07-08 16:05:13
8	Michael Goldwasser	0.20 s	Python 3	2025-09-22 21:40:58
9	Eric Williamson	0.21 s	Python 3	2016-10-30 02:15:39
10	Óðinn Eyjólfsson	0.21 s	Python 3	2017-02-13 17:53:12

#	User	Runtime	Language	Date
1	Jonathan Cederlund	0.02 s	Rust	2023-05-06 23:33:45
2	Vincent Lagerros	0.02 s	Rust	2025-01-25 02:43:20
3	Muhammad Rais Fathin Mudzakir	0.03 s	Rust	2021-05-09 19:05:45

#	User	Length	Language	Date
1	Mirel Cosulschi	1411	C	2023-01-08 22:19:45
2	Agis Daniels	1510	C	2022-01-11 17:55:49
3	SiBi	1919	C	2019-02-16 07:44:55
4	Cristi Matei	3141	C	2024-10-18 22:47:46
5	Ivan Petrov	3142	C	2018-03-22 11:05:34

#	User	Length	Language	Date
1	Mathias Gernez	324	C++	2025-08-19 01:56:58
2	Mugeon Kim	391	C++	2024-05-30 05:28:05
3	Lyndon Ho	417	C++	2022-12-12 23:34:58
4	古聖聰	433	C++	2022-03-05 21:35:05
5	Markus Mathiasen	438	C++	2022-09-13 21:15:21
6	鄭栩安	445	C++	2022-03-11 11:04:51
7	何思儀	461	C++	2023-03-09 01:47:35
8	Yung Chi Li	464	C++	2023-03-12 04:09:31
9	Hidden user	464	C++	2024-08-15 18:09:23
10	蔡御辰	465	C++	2022-03-06 07:41:50

#	User	Length	Language	Date
1	Norbert Voelker	1507	Go	2021-11-15 21:37:17

#	User	Length	Language	Date
1	Jiru Xu	484	Java	2016-10-29 22:50:02
2	Isser Gagan	571	Java	2019-10-24 08:51:29
3	julian sunpayco	592	Java	2019-10-20 11:17:47
4	Danniel Alcantara	609	Java	2023-05-17 08:17:25
5	Wang Yanxiang	615	Java	2024-11-26 15:35:14
6	Marc Dominic San Pedro	649	Java	2023-05-18 04:28:07
7	Zhen Lin	686	Java	2016-10-29 23:18:00
8	Doug Goodman	691	Java	2018-07-07 15:37:44
9	Mona Shaheen	704	Java	2020-05-11 14:48:36
10	Charles Boole	708	Java	2019-10-26 01:36:27

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	2707	JavaScript (SpiderMonkey)	2023-11-09 08:36:18

#	User	Length	Language	Date
1	Min-Zheng Shieh	436	Kotlin	2021-03-12 14:25:48
2	Bobby Chien	452	Kotlin	2021-04-03 17:40:06
3	Adam Rankin	513	Kotlin	2023-09-28 18:16:42

#	User	Length	Language	Date
1	Andreas Björklund	279	Python 2	2019-10-10 18:10:02
2	Yupeng Gu	310	Python 2	2018-04-19 01:48:45
3	Johan Lyts	315	Python 2	2021-01-17 14:18:39

#	User	Length	Language	Date
1	Kaaden RumanCam	142	Python 3	2022-12-13 04:48:52
2	Lyndon Ho	144	Python 3	2022-12-13 00:04:18
3	Thomas Feld	153	Python 3	2023-08-03 12:30:53
4	Michael Goldwasser	155	Python 3	2025-09-22 21:57:19
5	Shashank Bhatt	169	Python 3	2022-12-12 22:31:07
6	Dante Bencivenga	175	Python 3	2022-12-12 18:03:53
7	bcTest	175	Python 3	2022-12-12 22:00:23
8	Akshat Jain	175	Python 3	2022-12-12 22:09:20
9	Kelly Dance	187	Python 3	2022-12-12 21:27:49
10	Clement Oh	249	Python 3	2024-03-02 13:18:27

#	User	Length	Language	Date
1	Jonathan Cederlund	1944	Rust	2023-05-06 23:33:45
2	Muhammad Rais Fathin Mudzakir	3972	Rust	2021-05-09 19:05:45
3	Vincent Lagerros	17246	Rust	2025-01-25 02:43:20

Solution running time distribution