Problem I
Canvas Line — Problem Statistics

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Submissions	1238
Accepted submissions	364
Submission ratio	29.40%
Authors	389
Full solves [?]	317
Full solve Ratio	81.49%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2020-04-15 11:34:28
2	Ivan Petrov	0.02 s	C	2019-11-19 11:01:23

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2020-05-18 13:03:56
2	Steinar Simonnes	0.01 s	Haskell	2025-02-06 09:53:11

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.07 s	Java	2021-07-01 08:11:16
2	Bjørn Dons	0.09 s	Java	2019-11-23 23:41:05
3	Ryan Tan	0.10 s	Java	2023-04-18 14:14:53
4	Andrew Polizzotto	0.11 s	Java	2020-10-29 17:34:23
5	Alice Ryhl	0.12 s	Java	2019-11-17 18:00:13
6	Benjamin Reidys	0.12 s	Java	2020-01-19 19:38:15
7	Marcel Wienöbst	0.13 s	Java	2019-11-17 19:15:20
8	Morten Flensborg Jensen	0.13 s	Java	2020-04-09 11:23:00
9	Florian Marwitz	0.14 s	Java	2019-12-04 13:11:44
10	Paula Arnold	0.14 s	Java	2019-12-06 22:20:28

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2019-11-19 10:21:32
2	David King	0.07 s	JavaScript (SpiderMonkey)	2019-11-25 00:11:26

#	User	Runtime	Language	Date
1	Anton Lyxell	0.05 s	Python 2	2019-11-17 12:19:49
2	Andreas Björklund	0.05 s	Python 2	2019-11-17 17:04:12
3	Oskar Haarklou Veileborg	0.06 s	Python 2	2019-11-18 16:43:34
4	Conor McCauley	0.07 s	Python 2	2019-11-23 14:35:16

#	User	Runtime	Language	Date
1	Jonas Blochwitz	0.02 s	Python 3	2019-11-17 12:39:24
2	Damjan Polugic	0.02 s	Python 3	2019-11-18 22:08:53
3	Hidden user	0.02 s	Python 3	2019-11-19 21:16:42
4	Hidden user	0.02 s	Python 3	2019-11-20 02:32:23
5	Gerth Stølting Brodal	0.02 s	Python 3	2019-11-20 23:38:51
6	Vincent Tandya	0.02 s	Python 3	2019-11-21 14:44:28
7	Hidden user	0.02 s	Python 3	2019-11-23 22:58:16
8	Troels Bjerre Lund	0.03 s	Python 3	2019-11-18 21:45:46
9	Alexis Le Conte	0.03 s	Python 3	2019-12-19 17:55:50
10	Wisha Wanichwecharungruang	0.06 s	Python 3	2022-09-03 23:59:44

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2019-11-20 18:02:02
2	Macdara mac an tSionnaigh	0.21 s	Ruby	2019-11-20 23:51:10

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2025-10-28 20:15:59

#	User	Length	Language	Date
1	Ivan Petrov	1725	C	2019-11-19 11:01:23
2	Bergur Snorrason	2779	C	2020-04-15 11:34:28

#	User	Length	Language	Date
1	Liu Yuhang	824	C++	2025-04-18 04:21:25
2	Dmitry Lyubshin	896	C++	2023-05-01 11:23:52
3	김현수	900	C++	2019-11-17 12:33:53
4	Hao Du	1011	C++	2020-05-02 10:38:48
5	Johan Wind	1069	C++	2019-11-17 11:20:24
6	Dave Kuo	1072	C++	2021-04-17 08:25:34
7	Dewita Sonya Tarabunga	1073	C++	2019-11-17 11:42:07
8	Henrik Aalto	1075	C++	2019-11-17 20:59:29
9	Mario Rossi	1126	C++	2019-11-19 12:21:13
10	Brandon Zhang	1126	C++	2020-04-16 01:47:12

#	User	Length	Language	Date
1	Steinar Simonnes	2271	Haskell	2025-02-06 09:57:33
2	Brent Yorgey	2704	Haskell	2020-05-18 13:03:56

#	User	Length	Language	Date
1	Andrew Polizzotto	1975	Java	2020-10-29 17:34:23
2	Artur Satayev	2174	Java	2019-11-17 13:57:00
3	Crystal Sharpe	2223	Java	2021-07-01 08:11:16
4	Eric Leow Yu Quan	2409	Java	2021-01-16 10:54:03
5	Frederick Pek	2440	Java	2021-03-23 09:50:50
6	Alice Ryhl	2448	Java	2019-11-17 18:00:13
7	Paolo Pellizzoni	2466	Java	2019-12-16 23:26:34
8	Morten Flensborg Jensen	2519	Java	2020-04-09 11:23:00
9	Doug Goodman	2674	Java	2020-04-07 19:32:07
10	KL	2681	Java	2022-11-23 12:14:13

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1277	JavaScript (SpiderMonkey)	2019-11-19 10:21:32
2	David King	2665	JavaScript (SpiderMonkey)	2019-11-25 00:11:26

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	825	Python 2	2019-11-18 16:43:34
2	Andreas Björklund	879	Python 2	2019-11-17 17:04:12
3	Conor McCauley	1173	Python 2	2019-11-23 14:35:16
4	Anton Lyxell	1824	Python 2	2019-11-17 12:19:49

#	User	Length	Language	Date
1	Benjamin Z White	412	Python 3	2023-07-17 17:01:21
2	Ahmed Chamseddine	617	Python 3	2025-06-27 23:41:46
3	Hrant Hovhannisyan	765	Python 3	2025-12-18 09:32:20
4	Hidden user	836	Python 3	2019-11-23 23:07:49
5	Tan Wei Xin	854	Python 3	2021-01-14 15:03:58
6	Lennart Meyling	900	Python 3	2023-05-18 15:31:07
7	Harry Zhang	919	Python 3	2024-10-13 10:38:28
8	Albert	921	Python 3	2025-10-08 15:55:27
9	Jonatan Nilsson	956	Python 3	2020-11-01 18:34:00
10	Gerth Stølting Brodal	1009	Python 3	2019-11-20 23:40:27

#	User	Length	Language	Date
1	Hidden user	1209	Ruby	2019-11-20 18:02:02
2	Macdara mac an tSionnaigh	1783	Ruby	2019-11-20 23:51:10

#	User	Length	Language	Date
1	Hidden user	14338	Rust	2025-10-28 20:15:59

Solution running time distribution