Problem F
Inventing Test Data — Problem Statistics

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Submissions	876
Accepted submissions	288
Submission ratio	32.88%
Authors	225
Full solves [?]	185
Full solve Ratio	82.22%

#	User	Runtime	Language	Date
1	Frank Ruskey	0.04 s	C	2016-12-05 23:23:06
2	Ivan Petrov	0.04 s	C	2019-11-11 14:15:13
3	Hidden user	0.04 s	C	2023-01-16 14:36:32

#	User	Runtime	Language	Date
1	Ashley Khoo	0.02 s	C++	2019-09-17 17:08:34
2	Joel Au	0.02 s	C++	2020-05-15 06:43:34
3	Alexander Kravberg	0.02 s	C++	2021-12-24 00:44:47
4	Moses Mayer	0.02 s	C++	2024-12-28 09:14:45
5	Dmitry Lyubshin	0.03 s	C++	2018-09-08 18:16:51
6	Li Da	0.03 s	C++	2018-09-19 05:31:56
7	Michael Zündorf	0.03 s	C++	2019-01-25 13:31:31
8	Matthew Kan	0.03 s	C++	2019-09-15 08:51:54
9	Tia Shi Wei	0.03 s	C++	2019-10-02 12:25:17
10	Pro Duc	0.03 s	C++	2019-12-03 15:24:21

#	User	Runtime	Language	Date
1	TJ Takei	0.15 s	Haskell	2025-11-23 08:23:54
2	Hidden user	0.20 s	Haskell	2025-04-13 04:46:25
3	Udo Stenzel	0.21 s	Haskell	2024-11-07 21:13:08
4	Brent Yorgey	0.30 s	Haskell	2024-10-18 20:12:55

#	User	Runtime	Language	Date
1	Bjørn Dons	0.22 s	Java	2023-02-12 19:23:13
2	Hà Minh Ngọc	0.23 s	Java	2015-09-13 16:12:42
3	Hidden user	0.25 s	Java	2014-10-23 16:10:04
4	Trần Công Duy	0.26 s	Java	2015-11-11 14:26:45
5	Luu Nhat Phi	0.37 s	Java	2015-11-12 05:55:22
6	Nathanael Seen Zhong Qi	0.38 s	Java	2021-08-10 16:19:09
7	Hidden user	0.39 s	Java	2022-04-19 04:58:31
8	Nathanael Seen	0.41 s	Java	2021-10-02 17:32:07
9	Stephen Atwood	0.42 s	Java	2016-10-10 00:47:32
10	Simon Klein	0.43 s	Java	2012-05-17 13:21:28

#	User	Runtime	Language	Date
1	Jacob Huebner	0.47 s	Kotlin	2021-06-03 08:09:23

#	User	Runtime	Language	Date
1	Hidden user	0.33 s	Python 2	2018-12-06 18:10:43
2	Måns Magnusson	0.45 s	Python 2	2018-06-29 22:09:37

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.20 s	Python 3	2021-04-16 12:25:42
2	Nhự Nương Họ Vũ	0.27 s	Python 3	2025-03-25 04:14:24
3	Gladwin Yeo	0.30 s	Python 3	2022-07-04 00:52:30
4	Toh Xuan Ning Jeanne	0.33 s	Python 3	2021-08-20 15:46:48
5	Iman Khodadi	0.38 s	Python 3	2024-01-17 14:09:34
6	Javier París	0.38 s	Python 3	2024-10-10 20:47:10
7	Wang Yibin	0.39 s	Python 3	2021-08-20 08:16:23
8	Casper Rysgaard	0.39 s	Python 3	2023-12-07 21:02:25
9	Soeren Hougaard Mulvad	0.40 s	Python 3	2021-08-07 18:23:54
10	Tai Tze Kin	0.42 s	Python 3	2025-01-14 20:05:13

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-05-23 15:18:22
2	Daniel Anker Hermansen	0.02 s	Rust	2024-08-06 11:06:09
3	Jiaxun Wei	0.03 s	Rust	2025-12-22 19:45:28
4	Kevin Putera	0.06 s	Rust	2021-08-10 06:12:11

#	User	Runtime	Language	Date
1	Hidden user	0.19 s	Swift	2024-04-13 16:35:15

#	User	Length	Language	Date
1	Frank Ruskey	1342	C	2016-12-05 23:23:06
2	Hidden user	1737	C	2023-01-16 14:36:32
3	Ivan Petrov	2178	C	2019-11-11 14:15:13

#	User	Length	Language	Date
1	Jamie Lim Jia Sin	768	C++	2020-11-12 09:13:01
2	Yeoh Han Yi	828	C++	2025-04-17 05:55:48
3	Frederick Pek	847	C++	2021-11-20 01:16:13
4	Chenghao Ding	855	C++	2022-10-21 07:16:04
5	STH6	866	C++	2025-11-19 14:10:39
6	Simone Moretti	868	C++	2021-09-30 21:35:29
7	Hidden user	881	C++	2024-04-20 11:10:07
8	ณัฐวุฒิ เจนศักดิ์ดา	904	C++	2024-04-09 14:52:08
9	Sami Basubrain	906	C++	2025-11-19 12:39:06
10	Cliff McGinnis	926	C++	2021-10-21 15:23:32

#	User	Length	Language	Date
1	Udo Stenzel	2941	Haskell	2024-11-07 21:13:08
2	Brent Yorgey	4014	Haskell	2024-11-18 20:22:56
3	Hidden user	5553	Haskell	2025-04-13 04:46:25
4	TJ Takei	5912	Haskell	2025-11-23 08:23:54

#	User	Length	Language	Date
1	Mitch Price	1586	Java	2016-10-10 02:32:12
2	Frank Ruskey	1839	Java	2018-04-05 00:45:44
3	Hà Minh Ngọc	2446	Java	2015-09-13 16:04:02
4	Luu Nhat Phi	2579	Java	2015-11-11 04:29:02
5	Trần Công Duy	2764	Java	2015-11-11 13:57:54
6	Steven Halim	3289	Java	2021-08-24 14:48:43
7	Simon Klein	3624	Java	2012-05-17 13:21:28
8	Sun Yucheng	3875	Java	2022-07-16 07:03:56
9	Stephen Atwood	4148	Java	2016-10-10 00:47:32
10	Tan Zhang-Hng Ervin	4623	Java	2024-11-26 06:06:29

#	User	Length	Language	Date
1	Jacob Huebner	2509	Kotlin	2021-06-03 08:09:23

#	User	Length	Language	Date
1	Hidden user	605	Python 2	2018-12-06 18:10:43
2	Måns Magnusson	843	Python 2	2018-06-29 22:09:37

#	User	Length	Language	Date
1	Tai Tze Kin	240	Python 3	2025-01-14 20:07:46
2	Michael Goldwasser	299	Python 3	2023-11-23 00:20:51
3	Iman Khodadi	600	Python 3	2024-01-17 14:09:34
4	Oskar Haarklou Veileborg	624	Python 3	2021-04-16 12:25:42
5	Paco Criado	640	Python 3	2024-10-10 19:34:45
6	Soeren Hougaard Mulvad	783	Python 3	2021-08-07 18:23:54
7	Kang Liwei	786	Python 3	2021-08-20 13:04:45
8	Casper Rysgaard	807	Python 3	2023-12-07 21:02:25
9	Nicholas Russell Saerang	944	Python 3	2023-07-22 04:56:28
10	Kok Zhao Jie	1001	Python 3	2021-08-15 09:27:11

#	User	Length	Language	Date
1	Jiaxun Wei	2622	Rust	2025-12-22 19:45:28
2	Kevin Putera	2653	Rust	2021-08-10 06:12:11
3	Vincent Lagerros	7671	Rust	2024-05-23 15:18:22
4	Daniel Anker Hermansen	27631	Rust	2024-08-06 11:06:09

#	User	Length	Language	Date
1	Hidden user	1427	Swift	2024-04-13 16:35:15

Solution running time distribution