Problem A
Curveknights — Problem Statistics

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Submissions	1510
Accepted submissions	436
Submission ratio	28.87%
Authors	380
Full solves [?]	311
Full solve Ratio	81.84%

#	User	Runtime	Language	Date
1	Sambit Palit	0.00 s	C	2020-12-07 22:22:42

#	User	Runtime	Language	Date
1	DaddyElon	0.03 s	C#	2021-10-27 22:53:41
2	Hidden user	0.03 s	C#	2021-11-01 00:43:01
3	Hidden user	0.03 s	C#	2021-11-02 03:45:44
4	Jingwen Zhang	0.03 s	C#	2021-11-03 00:16:16
5	Ruben Conchas	0.03 s	C#	2021-11-03 03:47:15
6	Alex Cespedes	0.03 s	C#	2021-11-03 17:40:47
7	James Wob	0.03 s	C#	2021-11-05 02:30:08
8	Devin White	0.03 s	C#	2022-11-01 02:59:28

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2023-09-14 01:52:22

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2025-02-05 10:15:22
2	Brent Yorgey	0.01 s	Haskell	2020-03-23 06:26:35

#	User	Runtime	Language	Date
1	Goh Hong Wei, Shawn	0.06 s	Java	2024-11-10 09:38:48
2	Crystal Sharpe	0.07 s	Java	2020-08-06 04:47:54
3	Bjørn Dons	0.07 s	Java	2023-01-02 20:39:31
4	Ang Wei Jian	0.07 s	Java	2025-12-03 05:50:24
5	Ho Lyun Jeong	0.08 s	Java	2021-03-12 04:32:35
6	Meng Siong Hwee	0.08 s	Java	2022-11-23 17:01:22
7	Clement Oh	0.08 s	Java	2022-12-13 10:29:23
8	PAKHALE ADVAY DILIP	0.08 s	Java	2024-11-10 11:43:47
9	Tan Zhang-Hng Ervin	0.08 s	Java	2024-11-16 15:35:59
10	Quân Anh	0.09 s	Java	2024-04-25 07:04:04

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-06-05 08:05:40

#	User	Runtime	Language	Date
1	Jacob Huebner	0.15 s	Kotlin	2020-05-31 08:45:08
2	Phường Lên	0.20 s	Kotlin	2020-04-15 05:44:28

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.04 s	Prolog	2023-03-11 13:48:38

#	User	Runtime	Language	Date
1	Max Nilsson	0.04 s	Python 2	2023-09-17 21:11:40
2	Måns Magnusson	0.05 s	Python 2	2020-08-26 18:22:15
3	Maj Stenmark	0.05 s	Python 2	2020-08-28 22:07:31
4	Godmar Back	0.06 s	Python 2	2020-03-15 16:32:17
5	Lars Åström	0.06 s	Python 2	2020-03-25 14:16:27
6	Steven Hwang	0.06 s	Python 2	2020-03-27 06:00:22
7	Andreas Björklund	0.06 s	Python 2	2020-03-29 16:16:01

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Python 3	2026-02-13 18:20:46
2	gulinazha	0.05 s	Python 3	2026-03-09 07:02:00
3	Jacob Smith	0.06 s	Python 3	2021-11-03 04:54:06
4	frank lampart	0.06 s	Python 3	2021-11-03 22:19:34
5	Muhammad Elfie Bin Rahim	0.06 s	Python 3	2021-11-16 20:04:58
6	Sim Yin Ci	0.06 s	Python 3	2022-04-24 21:23:26
7	Yohannes Melese	0.06 s	Python 3	2022-09-17 10:43:32
8	Ankur Garg	0.06 s	Python 3	2022-09-20 22:46:51
9	Lai Zhuoyuan	0.06 s	Python 3	2023-04-08 10:44:33
10	Max Nilsson	0.06 s	Python 3	2023-09-17 21:10:01

#	User	Runtime	Language	Date
1	HuaiYuan Jing	0.00 s	Rust	2024-02-01 23:36:09
2	Yinuo Huang	0.00 s	Rust	2024-05-21 03:38:44
3	Simon Erlandsson	0.00 s	Rust	2025-03-26 01:32:38

#	User	Length	Language	Date
1	Sambit Palit	2008	C	2020-12-07 22:22:42

#	User	Length	Language	Date
1	Hidden user	2465	C#	2021-11-01 00:43:01
2	Hidden user	3544	C#	2021-11-03 05:31:17
3	Alex Cespedes	3672	C#	2021-11-03 17:40:47
4	Devin White	4349	C#	2022-11-01 02:59:28
5	Jingwen Zhang	4575	C#	2021-11-03 00:16:16
6	James Wob	4596	C#	2021-11-05 02:30:08
7	DaddyElon	4625	C#	2021-10-27 22:58:44
8	Ruben Conchas	6950	C#	2021-11-03 03:47:15

#	User	Length	Language	Date
1	Hidden user	639	C++	2020-03-14 22:25:17
2	Mohammad Hashemi	714	C++	2022-04-28 01:44:49
3	Andrew Polizzotto	760	C++	2023-04-22 00:02:00
4	Marc Phua	764	C++	2020-04-15 11:55:49
5	David Zheng	794	C++	2020-03-14 19:27:52
6	Armen Andreasyan	823	C++	2023-06-15 05:43:01
7	Te Sting	826	C++	2022-09-17 17:12:03
8	Hidden user	826	C++	2022-09-17 17:13:01
9	Frederick Pek	827	C++	2021-12-03 12:21:33
10	Gao Tianrun	838	C++	2023-08-17 15:54:30

#	User	Length	Language	Date
1	Norbert Voelker	2294	Go	2023-09-14 01:52:22

#	User	Length	Language	Date
1	Brent Yorgey	1517	Haskell	2020-03-23 06:26:35
2	Steinar Simonnes	2201	Haskell	2025-02-05 10:15:22

#	User	Length	Language	Date
1	Peter Steele	1351	Java	2020-03-14 21:01:12
2	David Sturgill	1536	Java	2021-01-24 16:55:23
3	Charlie Zheng	1704	Java	2020-03-14 22:44:31
4	Doug Goodman	1843	Java	2020-05-13 20:00:36
5	Crystal Sharpe	2071	Java	2020-08-06 04:47:54
6	Seng Horn Rith	2155	Java	2021-10-31 23:08:55
7	Lucas Scharenbroch	2206	Java	2022-09-22 18:48:16
8	Hidden user	2257	Java	2023-12-07 12:06:34
9	PAKHALE ADVAY DILIP	2513	Java	2024-11-10 11:43:47
10	Benjamin Reidys	2826	Java	2020-03-14 20:22:55

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	2627	JavaScript (SpiderMonkey)	2023-06-05 08:05:40

#	User	Length	Language	Date
1	Jacob Huebner	1106	Kotlin	2020-05-31 08:45:08
2	Phường Lên	1312	Kotlin	2020-04-15 05:44:28

#	User	Length	Language	Date
1	Andriy Zyevakov	1648	Prolog	2023-03-11 13:48:38

#	User	Length	Language	Date
1	Andreas Björklund	432	Python 2	2020-03-29 16:16:01
2	Max Nilsson	567	Python 2	2023-09-17 21:11:40
3	Godmar Back	590	Python 2	2020-03-15 16:32:17
4	Måns Magnusson	668	Python 2	2020-08-26 18:22:15
5	Maj Stenmark	668	Python 2	2020-08-28 22:07:31
6	Lars Åström	695	Python 2	2020-03-25 14:16:27
7	Steven Hwang	904	Python 2	2020-03-27 06:00:22

#	User	Length	Language	Date
1	Peter Stauder	333	Python 3	2022-11-02 21:27:51
2	Oskar Haarklou Veileborg	394	Python 3	2020-03-27 09:35:33
3	Clement Oh	395	Python 3	2023-11-22 12:14:19
4	Dmitry Lyubshin	430	Python 3	2023-04-09 11:38:11
5	Zac Friggstad	464	Python 3	2021-07-10 04:17:12
6	Yohannes Melese	471	Python 3	2022-09-17 10:43:32
7	Kelly Dance	496	Python 3	2023-04-09 21:19:57
8	David Berard	501	Python 3	2020-03-14 20:05:55
9	Ankur Garg	506	Python 3	2022-09-20 22:46:51
10	Nicholas Russell Saerang	518	Python 3	2023-02-11 05:06:06

#	User	Length	Language	Date
1	Yinuo Huang	1593	Rust	2024-05-21 03:38:44
2	Simon Erlandsson	1837	Rust	2025-03-26 01:32:38
3	HuaiYuan Jing	2082	Rust	2024-02-01 23:36:09

Solution running time distribution