Problem F
Unread Messages — Problem Statistics

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Submissions	1852
Accepted submissions	606
Submission ratio	32.72%
Authors	690
Full solves [?]	492
Full solve Ratio	71.30%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2022-02-04 19:03:18
2	Hidden user	0.00 s	C	2024-09-29 15:46:52
3	Florian ten Napel	0.01 s	C	2024-07-17 14:17:23
4	Alexander Zhou	0.01 s	C	2024-10-22 23:58:42

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2023-04-16 12:30:52
2	Hidden user	0.02 s	Go	2023-10-25 22:50:55
3	Dark Vibes	0.19 s	Go	2022-11-26 08:59:00
4	Max Peterson	0.20 s	Go	2021-11-01 23:56:01

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2021-05-20 15:10:19
2	Mason Barnhill	0.01 s	Haskell	2023-08-13 13:39:04

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.07 s	Java	2021-03-06 20:27:56
2	Bjørn Dons	0.07 s	Java	2023-06-03 10:53:38
3	Sriniketh Vangaru	0.08 s	Java	2024-02-23 22:50:12
4	Daniel West	0.09 s	Java	2021-03-06 20:13:22
5	Benjamin Reidys	0.09 s	Java	2021-09-29 23:07:10
6	Rob Hochberg	0.09 s	Java	2025-04-08 23:54:08
7	Sharon Barak	0.10 s	Java	2021-08-13 23:39:29
8	Ryan Glaspey	0.11 s	Java	2021-03-06 20:39:18
9	Hidden user	0.11 s	Java	2021-03-06 22:29:04
10	Ibraheem Cazalas	0.11 s	Java	2021-03-07 00:46:02

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.27 s	JavaScript (SpiderMonkey)	2022-08-22 23:43:17
2	Christian Cederquist	0.28 s	JavaScript (SpiderMonkey)	2023-05-30 19:41:08

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.14 s	Kotlin	2021-08-13 22:51:56
2	Jacob Huebner	0.14 s	Kotlin	2021-09-15 01:12:27

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	Prolog	2024-04-21 08:20:01

#	User	Runtime	Language	Date
1	Andreas Björklund	0.05 s	Python 2	2021-05-21 18:53:22
2	Maximilian Harold	0.07 s	Python 2	2025-04-09 01:10:49

#	User	Runtime	Language	Date
1	Maximilian Harold	0.04 s	Python 3	2025-04-09 00:05:54
2	Ole Vik Lysne	0.04 s	Python 3	2025-07-01 22:00:39
3	Lawry Sorenson	0.04 s	Python 3	2025-07-28 23:23:29
4	Lucas Ewald	0.05 s	Python 3	2022-09-26 21:15:16
5	Stephen Lu	0.05 s	Python 3	2023-01-31 16:32:31
6	Ryan Tan	0.05 s	Python 3	2023-02-01 15:44:58
7	Ahmed Siadomar	0.05 s	Python 3	2023-04-10 23:17:08
8	Benjamin Z White	0.05 s	Python 3	2023-06-11 19:43:49
9	Duoduo Zhao	0.05 s	Python 3	2025-07-08 02:24:35
10	Tim O'Brien	0.06 s	Python 3	2021-03-06 21:25:35

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-04-14 10:48:24
2	Clement Oh	0.06 s	Ruby	2023-11-06 11:48:11

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.00 s	Rust	2022-12-09 18:08:29
2	Vincent Lagerros	0.00 s	Rust	2024-09-21 12:50:10
3	Frank Endriss	0.00 s	Rust	2024-11-04 22:49:03
4	Lily Gloudemans	0.01 s	Rust	2023-10-11 15:01:36

#	User	Length	Language	Date
1	Florian ten Napel	362	C	2024-07-17 14:17:23
2	Hidden user	367	C	2024-09-29 15:46:52
3	Alexander Zhou	496	C	2024-10-24 22:53:55
4	Bergur Snorrason	2156	C	2022-02-04 19:03:18

#	User	Length	Language	Date
1	Yeung Man Tsung	263	C++	2023-01-30 15:03:32
2	Rafael Kristoforus Yanto	278	C++	2025-04-16 23:25:55
3	Zac Friggstad	279	C++	2021-08-13 23:30:41
4	Lee Zheng Han	284	C++	2023-01-30 18:35:42
5	Alexander Skidanov	296	C++	2024-11-12 17:42:48
6	Dmitry Lyubshin	299	C++	2023-04-01 13:38:43
7	Christian Yongwhan Lim	307	C++	2023-06-16 07:26:28
8	Jerry Mao	309	C++	2021-03-06 20:06:20
9	Utkarsh Singh	330	C++	2021-03-06 21:54:18
10	Simone Moretti	330	C++	2024-09-20 16:38:20

#	User	Length	Language	Date
1	Hidden user	177	Go	2023-10-25 22:57:54
2	Dark Vibes	275	Go	2022-11-26 08:59:00
3	Max Peterson	590	Go	2021-11-01 23:56:01
4	Norbert Voelker	635	Go	2023-04-16 12:30:52

#	User	Length	Language	Date
1	Mason Barnhill	520	Haskell	2023-08-13 13:39:04
2	Brent Yorgey	5237	Haskell	2021-05-20 15:10:19

#	User	Length	Language	Date
1	Reuben James Loquinario	504	Java	2025-03-27 09:53:09
2	Liang Lyu	533	Java	2021-03-06 20:11:34
3	Joshua Brucker	541	Java	2021-03-06 21:57:16
4	Hidden user	554	Java	2021-06-13 16:09:57
5	Elizabeth Trader	591	Java	2021-03-06 20:20:45
6	Andrew Kennedy	610	Java	2021-03-06 23:18:34
7	Peter Li	619	Java	2022-01-12 01:52:31
8	Kevin Kauffman	641	Java	2021-11-02 04:52:56
9	Havish Malladi	652	Java	2021-03-06 20:15:31
10	Brandon Barker	677	Java	2021-03-06 21:18:00

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	242	JavaScript (SpiderMonkey)	2022-08-22 23:44:29
2	Christian Cederquist	272	JavaScript (SpiderMonkey)	2023-05-30 19:41:08

#	User	Length	Language	Date
1	Jacob Huebner	1144	Kotlin	2021-09-15 01:12:27
2	Nicholas Johnson	2333	Kotlin	2021-08-13 22:51:56

#	User	Length	Language	Date
1	Andriy Zyevakov	739	Prolog	2024-04-21 08:20:01

#	User	Length	Language	Date
1	Andreas Björklund	182	Python 2	2021-05-21 18:53:22
2	Maximilian Harold	469	Python 2	2025-04-09 01:10:49

#	User	Length	Language	Date
1	David Llorens	96	Python 3	2025-05-01 20:06:38
2	Peter Stauder	100	Python 3	2023-05-22 20:44:13
3	Benjamin Z White	100	Python 3	2023-06-11 19:52:17
4	Simone Moretti	100	Python 3	2024-09-26 10:15:11
5	Lawry Sorenson	101	Python 3	2025-07-28 23:25:18
6	Lee Isaac	109	Python 3	2023-05-12 08:49:28
7	Shashank Bhatt	142	Python 3	2023-01-17 20:29:14
8	Iman Khodadi	143	Python 3	2023-12-20 20:17:46
9	Marcus Xu	151	Python 3	2023-01-31 16:21:25
10	David Engström	164	Python 3	2021-10-27 17:35:39

#	User	Length	Language	Date
1	Thomas Feld	58	Ruby	2023-04-14 10:49:44
2	Clement Oh	136	Ruby	2023-11-06 11:48:11

#	User	Length	Language	Date
1	Lily Gloudemans	610	Rust	2023-10-11 15:01:36
2	Frank Endriss	1673	Rust	2024-11-04 22:49:03
3	Klas af Geijerstam	12642	Rust	2022-12-09 18:08:29
4	Vincent Lagerros	19415	Rust	2024-09-21 12:50:10

Solution running time distribution