Problem F
Contest Struggles — Problem Statistics

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Submissions	2648
Accepted submissions	1083
Submission ratio	40.90%
Authors	1012
Full solves [?]	941
Full solve Ratio	92.98%

#	User	Runtime	Language	Date
1	Noah	0.02 s	C#	2021-09-04 00:42:33
2	Nikolai Valkamo	0.02 s	C#	2021-12-22 19:03:09
3	Yousif ALi	0.02 s	C#	2022-09-28 20:09:15
4	Mikael Fiala-Lundström	0.03 s	C#	2021-04-12 20:01:31
5	Göran Andersson	0.03 s	C#	2022-05-19 19:46:42

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-11-26 08:44:53

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Go	2021-04-04 06:51:30
2	Norbert Voelker	0.08 s	Go	2021-04-26 21:46:17
3	Ian Howell	0.08 s	Go	2021-05-12 17:54:23

#	User	Runtime	Language	Date
1	Ng Tek In	0.00 s	Haskell	2022-08-20 00:46:00
2	Hidden user	0.00 s	Haskell	2023-01-09 17:09:47
3	Steinar Simonnes	0.00 s	Haskell	2024-03-10 20:46:55
4	Rudy Matela	0.00 s	Haskell	2024-11-11 17:00:56
5	Hidden user	0.00 s	Haskell	2025-01-13 17:57:24
6	Brent Yorgey	0.01 s	Haskell	2021-04-03 16:39:55
7	Jan Hrček	0.01 s	Haskell	2021-04-07 08:41:55
8	Hidden user	0.01 s	Haskell	2021-05-30 11:20:07
9	Aaron Lengyel	0.01 s	Haskell	2021-11-04 16:50:44
10	Bjarki Baldursson Harksen	0.01 s	Haskell	2021-11-10 15:58:41

#	User	Runtime	Language	Date
1	Mohammad Naufal Hazim Bin Saharudin	0.04 s	Java	2025-05-30 07:23:26
2	Fadhil Peer Mohamed	0.04 s	Java	2025-11-26 06:23:09
3	Ranjith M	0.05 s	Java	2024-07-25 23:50:53
4	Muhammad Aziz	0.06 s	Java	2021-04-03 16:35:21
5	Calvin Godfrey	0.06 s	Java	2021-04-11 17:16:44
6	Crystal Sharpe	0.06 s	Java	2021-04-16 06:03:57
7	Liam Keliher	0.06 s	Java	2021-05-20 00:44:42
8	Logan Pipes	0.06 s	Java	2021-05-20 01:11:31
9	Emil Bak-Møller	0.06 s	Java	2021-06-08 15:59:45
10	武晓飞	0.06 s	Java	2021-07-03 03:14:30

#	User	Runtime	Language	Date
1	Chris Wong	0.42 s	JavaScript (Node.js)	2022-01-16 15:11:33

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2021-04-04 11:57:10
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-09-23 10:55:48
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-07 15:29:19
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-16 22:01:10

#	User	Runtime	Language	Date
1	Timothy Gaede	0.42 s	Julia	2024-04-25 03:14:22

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2022-03-16 04:25:49
2	Roger Bongers	0.14 s	Kotlin	2021-06-27 01:00:40
3	Aniket Kumar	0.20 s	Kotlin	2024-04-24 13:23:00

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2024-03-28 17:24:54

#	User	Runtime	Language	Date
1	Danil Braun	0.00 s	OCaml	2021-05-06 11:10:12

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2021-04-08 09:52:28
2	Nhật Nguyễn Minh	0.00 s	Pascal	2021-10-23 12:24:20

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-17 14:29:18
2	Balamurugan M	0.02 s	Python 2	2023-07-04 14:58:06
3	Fredrik Horn Dannert	0.03 s	Python 2	2021-04-04 13:08:57
4	Johan Lyts	0.03 s	Python 2	2021-04-07 12:09:33
5	Hidden user	0.03 s	Python 2	2021-04-14 23:59:27
6	Thomas Feld	0.03 s	Python 2	2021-05-21 07:51:51
7	Yanmarshus Bachtiar	0.03 s	Python 2	2021-05-29 07:22:17
8	Adriaan de Vries	0.03 s	Python 2	2021-10-23 14:38:46
9	Olav Røthe Bakken	0.03 s	Python 2	2021-11-20 10:17:39
10	Andreas Björklund	0.03 s	Python 2	2021-11-21 17:41:37

#	User	Runtime	Language	Date
1	Erik Dyrelius	0.04 s	Python 3	2022-06-09 07:04:36
2	crapcode	0.04 s	Python 3	2022-06-09 12:24:49
3	Weiguo Jiang	0.04 s	Python 3	2022-06-14 21:47:57
4	Hasan Kalzi	0.04 s	Python 3	2022-06-17 14:29:05
5	Peter Stauder	0.04 s	Python 3	2022-06-18 17:22:46
6	Rajul Srivastava	0.04 s	Python 3	2022-07-23 06:46:20
7	Hidden user	0.04 s	Python 3	2022-07-24 13:20:15
8	Mariann Løtvedt	0.04 s	Python 3	2022-08-02 18:59:13
9	Kelly Dance	0.04 s	Python 3	2022-08-17 01:18:06
10	Hidden user	0.04 s	Python 3	2022-08-18 01:16:07

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-08-22 15:13:08
2	Thomas Feld	0.06 s	Ruby	2023-03-15 09:22:55

#	User	Runtime	Language	Date
1	Eric Pinter	0.00 s	Rust	2021-06-19 23:26:56
2	Bas Dirks	0.00 s	Rust	2022-01-07 06:32:25
3	David Rasch	0.00 s	Rust	2022-04-29 15:15:09
4	Hidden user	0.00 s	Rust	2023-10-12 19:16:33
5	Vincent Lagerros	0.00 s	Rust	2024-12-04 22:15:56
6	Ole Magnus	0.00 s	Rust	2025-01-14 07:31:11
7	Hidden user	0.00 s	Rust	2025-02-03 01:56:48
8	Joshua Freudenhammer	0.00 s	Rust	2025-09-25 20:03:48

#	User	Length	Language	Date
1	Florian ten Napel	176	C	2025-01-14 16:09:38
2	隨緣	242	C	2021-05-22 13:43:24
3	Hidden user	252	C	2021-05-22 08:08:23
4	劉睿升	262	C	2021-06-24 14:32:58
5	Sambit Palit	266	C	2021-06-27 16:09:34
6	Mirel Cosulschi	271	C	2024-09-19 16:49:26
7	April Clark	279	C	2021-10-03 14:03:56
8	Felix Ren	313	C	2021-07-05 11:46:10
9	劉睿升	328	C	2021-05-22 08:00:58
10	Mikael K Eriksson	337	C	2021-04-05 11:12:34

#	User	Length	Language	Date
1	Nikolai Valkamo	726	C#	2021-12-22 19:03:09
2	Göran Andersson	789	C#	2022-05-19 19:46:42
3	Mikael Fiala-Lundström	962	C#	2021-04-12 20:01:31
4	Noah	1027	C#	2021-09-04 00:42:33
5	Yousif ALi	1049	C#	2022-09-28 20:09:15

#	User	Length	Language	Date
1	Asifur Rahman	191	C++	2024-04-07 17:21:05
2	Kerk Tai Heng	218	C++	2025-11-24 16:01:43
3	Merijn van Delft	223	C++	2025-11-22 11:54:40
4	Grae Yeandle	227	C++	2021-04-03 17:01:23
5	Hung Pham	232	C++	2021-10-23 14:50:58
6	Matteo Zappia	238	C++	2022-04-05 07:17:50
7	Frederick Pek	241	C++	2021-06-13 09:30:14
8	Admasu Abera	241	C++	2021-07-24 20:26:22
9	Bastien Aubecq	245	C++	2025-01-24 10:21:14
10	Matei Tinca	251	C++	2021-11-10 23:26:05

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	442	F#	2022-11-26 08:44:53

#	User	Length	Language	Date
1	Hidden user	207	Go	2021-04-04 06:51:30
2	Ian Howell	225	Go	2021-05-12 17:54:23
3	Norbert Voelker	632	Go	2021-04-26 21:46:17

#	User	Length	Language	Date
1	Rudy Matela	102	Haskell	2024-11-11 17:00:56
2	Aaron Lengyel	154	Haskell	2021-11-04 16:50:44
3	Steinar Simonnes	202	Haskell	2024-03-10 20:46:55
4	Bjarki Baldursson Harksen	239	Haskell	2021-11-10 15:58:41
5	Hidden user	273	Haskell	2023-01-09 17:09:47
6	Hidden user	518	Haskell	2025-01-13 17:57:24
7	Jan Hrček	569	Haskell	2021-04-07 08:41:55
8	Ng Tek In	716	Haskell	2022-08-20 00:46:00
9	Brent Yorgey	1867	Haskell	2021-04-03 16:39:55
10	Hidden user	11038	Haskell	2021-05-30 11:20:07

#	User	Length	Language	Date
1	Nathaniel Lukas Christianto	401	Java	2023-12-26 03:36:58
2	Christopher Stephens	406	Java	2022-04-25 22:18:49
3	raul fauste	409	Java	2025-02-06 14:23:55
4	Chris Gittings	424	Java	2022-01-21 04:37:48
5	Muhammad Iqbal Bin Imran	434	Java	2021-05-28 16:52:38
6	Gian Peña	474	Java	2021-04-10 01:52:41
7	Sid A	475	Java	2021-04-11 19:12:55
8	Chan Yong Chee	475	Java	2024-12-25 05:02:27
9	Thomas Beuman	486	Java	2021-05-31 12:11:40
10	Maciej Lewandowski	495	Java	2022-01-06 23:51:15

#	User	Length	Language	Date
1	Chris Wong	634	JavaScript (Node.js)	2022-01-16 15:11:33

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	98	JavaScript (SpiderMonkey)	2023-03-07 15:33:18
2	Jimmy Gustafsson	107	JavaScript (SpiderMonkey)	2025-07-16 22:01:10
3	Bjørn Chr. Soltvedt	216	JavaScript (SpiderMonkey)	2021-04-04 11:57:10
4	Peter Menyes	218	JavaScript (SpiderMonkey)	2021-09-23 10:55:48

#	User	Length	Language	Date
1	Timothy Gaede	600	Julia	2024-04-25 03:14:22

#	User	Length	Language	Date
1	Jacob Huebner	451	Kotlin	2022-03-16 04:25:49
2	Aniket Kumar	460	Kotlin	2024-04-24 13:23:00
3	Roger Bongers	509	Kotlin	2021-06-27 01:00:40

#	User	Length	Language	Date
1	Zeheng Li	143	Lua	2024-03-28 17:24:54

#	User	Length	Language	Date
1	Danil Braun	440	OCaml	2021-05-06 11:10:12

#	User	Length	Language	Date
1	Ingemar Ragnemalm	293	Pascal	2021-04-08 09:52:28
2	Nhật Nguyễn Minh	372	Pascal	2021-10-23 12:24:20

#	User	Length	Language	Date
1	Johan Lyts	154	Python 2	2021-04-07 12:09:33
2	Thomas Feld	176	Python 2	2021-05-21 07:51:51
3	Olav Røthe Bakken	183	Python 2	2021-11-20 10:17:39
4	Andreas Björklund	214	Python 2	2021-11-21 17:41:37
5	Fredrik Horn Dannert	216	Python 2	2021-04-04 13:08:57
6	Hidden user	283	Python 2	2021-04-14 23:59:27
7	Yanmarshus Bachtiar	284	Python 2	2021-05-29 07:22:17
8	Adriaan de Vries	286	Python 2	2021-10-23 14:38:46
9	Hasan Kalzi	428	Python 2	2021-04-16 21:35:31
10	Balamurugan M	428	Python 2	2023-07-04 14:58:06

#	User	Length	Language	Date
1	Clement Oh	91	Python 3	2023-07-02 16:54:16
2	Thibault Raffaillac	91	Python 3	2024-08-26 14:00:40
3	Benjamin Z White	92	Python 3	2023-05-19 00:39:05
4	Ryan Farrell	105	Python 3	2025-03-02 05:11:11
5	Tarjei Landøy	106	Python 3	2025-01-20 18:15:52
6	Ahmed Chamseddine	115	Python 3	2024-08-18 20:44:38
7	I Coello	115	Python 3	2025-02-10 17:20:34
8	Jason Oliphant	120	Python 3	2025-03-01 16:32:43
9	Farzam Abrishami	121	Python 3	2024-01-20 19:32:06
10	Tan Yi Long	121	Python 3	2025-04-29 22:21:12

#	User	Length	Language	Date
1	Thomas Feld	77	Ruby	2023-03-15 09:23:43
2	Kok Dith	214	Ruby	2021-08-22 15:13:08

#	User	Length	Language	Date
1	Vincent Lagerros	258	Rust	2024-12-04 22:16:30
2	Bas Dirks	723	Rust	2022-01-07 06:32:25
3	David Rasch	816	Rust	2022-04-29 15:15:54
4	Ole Magnus	972	Rust	2025-01-14 07:31:11
5	Hidden user	1057	Rust	2023-10-12 19:16:33
6	Joshua Freudenhammer	1080	Rust	2025-09-25 20:03:48
7	Eric Pinter	1081	Rust	2021-06-19 23:26:56
8	Hidden user	3303	Rust	2025-02-03 01:56:48

Solution running time distribution