Problem A
km/h — Problem Statistics

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Submissions	1208
Accepted submissions	523
Submission ratio	43.29%
Authors	497
Full solves [?]	477
Full solve Ratio	95.98%

#	User	Runtime	Language	Date
1	Anton Haevaker	0.00 s	C	2025-10-04 11:51:56
2	Fredrik Medley	0.00 s	C	2025-10-04 13:03:12
3	Allan Nouri	0.00 s	C	2025-10-18 20:50:46
4	Jeviczki Jane	0.00 s	C	2025-10-28 20:12:56
5	Mohsina Binte Asad	0.00 s	C	2025-11-05 22:30:51

#	User	Runtime	Language	Date
1	Agata Majewska	0.04 s	C#	2025-10-04 13:23:45
2	Henrik Hallbert	0.04 s	C#	2025-10-07 12:12:58
3	Dennis Stegnell	0.04 s	C#	2025-10-18 13:27:42
4	Freek van Keulen	0.04 s	C#	2025-10-20 15:12:30
5	Akib Ibn Zahid	0.04 s	C#	2025-11-05 10:15:24
6	Dan Wolff	0.05 s	C#	2025-10-04 11:15:20
7	Sandra Vernby	0.05 s	C#	2025-10-04 12:03:33
8	Julia Duffy	0.05 s	C#	2026-02-25 01:20:07

#	User	Runtime	Language	Date
1	Erik Adebahr	0.54 s	Elixir	2026-03-01 15:09:37

#	User	Runtime	Language	Date
1	David Bai	0.07 s	F#	2025-10-04 12:48:43

#	User	Runtime	Language	Date
1	Iman Khodadi	0.00 s	Go	2025-12-12 21:37:14

#	User	Runtime	Language	Date
1	Emil Andranik Overbeck	0.00 s	Haskell	2025-10-04 11:29:45
2	Rudy Matela	0.00 s	Haskell	2025-10-04 14:15:53
3	Brent Yorgey	0.00 s	Haskell	2025-10-13 12:40:28
4	Shinji Koshida	0.00 s	Haskell	2025-10-21 10:20:34

#	User	Runtime	Language	Date
1	Isak Simonsson	0.04 s	Java	2025-10-04 13:13:52
2	Anders Birk Sørensen	0.04 s	Java	2025-10-04 14:50:12
3	Nils Hedin	0.04 s	Java	2025-10-10 14:19:12
4	Markus Bao	0.04 s	Java	2025-10-15 06:16:11
5	Benjamin Klahn	0.04 s	Java	2025-10-17 10:46:16
6	Sean Pettas	0.04 s	Java	2025-10-23 12:30:12
7	Ranjith M	0.04 s	Java	2025-10-28 14:30:08
8	TobiasZ	0.04 s	Java	2025-12-25 13:16:20
9	Satia Herfert	0.05 s	Java	2025-10-04 11:31:29
10	Åke Wettergren	0.05 s	Java	2025-10-04 11:56:19

#	User	Runtime	Language	Date
1	Minh Trang Nguyen	0.04 s	JavaScript (Node.js)	2025-10-31 15:39:02
2	Ihor Kolisnyk	0.05 s	JavaScript (Node.js)	2025-10-04 12:50:06
3	Hidden user	0.05 s	JavaScript (Node.js)	2025-12-04 06:56:24

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-10-04 20:41:49
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-10-06 10:45:14

#	User	Runtime	Language	Date
1	Timothy Gaede	0.34 s	Julia	2025-10-05 06:18:04

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Perl	2025-12-16 02:50:04

#	User	Runtime	Language	Date
1	Ivar Källström	0.04 s	Python 3	2025-10-04 11:05:24
2	Simon Lindholm	0.04 s	Python 3	2025-10-04 11:06:08
3	Joshua Andersson	0.04 s	Python 3	2025-10-04 11:08:12
4	Gerth Stølting Brodal	0.04 s	Python 3	2025-10-04 11:08:14
5	Snild Dolkow	0.04 s	Python 3	2025-10-04 11:09:13
6	Axel Matstoms	0.04 s	Python 3	2025-10-04 11:09:33
7	Julius Thunström	0.04 s	Python 3	2025-10-04 11:09:35
8	Hidden user	0.04 s	Python 3	2025-10-04 11:09:38
9	John Hedin	0.04 s	Python 3	2025-10-04 11:10:15
10	Steinar Simonnes	0.04 s	Python 3	2025-10-04 11:10:18

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-10-06 14:14:42
2	Chenzhang Hu	0.07 s	Ruby	2025-10-16 15:34:33

#	User	Runtime	Language	Date
1	Arfat Hossain	0.05 s	TypeScript	2025-11-03 22:31:11

#	User	Length	Language	Date
1	Allan Nouri	428	C	2025-10-18 20:50:46
2	Fredrik Medley	446	C	2025-10-04 13:03:12
3	Anton Haevaker	562	C	2025-10-04 11:51:56
4	Mohsina Binte Asad	653	C	2025-11-05 22:30:51
5	Jeviczki Jane	705	C	2025-10-28 20:12:56

#	User	Length	Language	Date
1	Henrik Hallbert	204	C#	2025-10-07 12:15:34
2	Freek van Keulen	402	C#	2025-10-20 15:12:30
3	Julia Duffy	542	C#	2026-02-25 01:20:07
4	Akib Ibn Zahid	779	C#	2025-11-05 10:15:24
5	Agata Majewska	1058	C#	2025-10-04 13:23:45
6	Sandra Vernby	1064	C#	2025-10-04 12:03:33
7	Dennis Stegnell	1326	C#	2025-10-18 13:27:42
8	Dan Wolff	2474	C#	2025-10-04 11:15:20

#	User	Length	Language	Date
1	Sven Rönnbäck	152	C++	2025-10-05 21:24:31
2	Shiroy Sattur	266	C++	2025-10-07 03:59:50
3	Hidden user	297	C++	2025-10-04 11:24:00
4	Gustav Bille Gørtz	315	C++	2025-10-04 12:35:20
5	Tim Hermansson	316	C++	2025-10-04 12:59:31
6	Ata Kırcadağ	330	C++	2025-10-19 02:07:38
7	Hidden user	360	C++	2025-10-25 19:37:28
8	Asbjørn Lind	371	C++	2025-10-04 11:20:36
9	Jonathan de Koning	374	C++	2025-10-19 05:22:22
10	Hidden user	387	C++	2026-02-24 14:14:01

#	User	Length	Language	Date
1	Erik Adebahr	445	Elixir	2026-03-01 15:09:37

#	User	Length	Language	Date
1	David Bai	511	F#	2025-10-04 12:48:43

#	User	Length	Language	Date
1	Iman Khodadi	331	Go	2025-12-12 21:37:14

#	User	Length	Language	Date
1	Rudy Matela	403	Haskell	2025-10-04 14:15:53
2	Shinji Koshida	417	Haskell	2025-10-21 10:20:34
3	Brent Yorgey	441	Haskell	2025-10-13 12:40:28
4	Emil Andranik Overbeck	3590	Haskell	2025-10-04 11:29:45

#	User	Length	Language	Date
1	Marcel Wienöbst	430	Java	2025-11-21 11:51:56
2	Benjamin Wen	522	Java	2025-10-07 14:30:20
3	Thomas Anung Basuki	567	Java	2026-01-03 08:40:02
4	Tim Wiegert	578	Java	2025-12-16 15:51:30
5	Terry Morris	587	Java	2026-01-09 16:54:05
6	Carmen Alberte Nielsen	592	Java	2025-10-04 15:09:10
7	Markus Bao	620	Java	2025-10-15 06:16:11
8	Mads Westermann	631	Java	2025-10-13 15:48:36
9	Athena Winther	644	Java	2025-10-04 13:25:06
10	Trace Salinas	670	Java	2026-01-14 05:02:31

#	User	Length	Language	Date
1	Ihor Kolisnyk	505	JavaScript (Node.js)	2025-10-04 12:50:06
2	Minh Trang Nguyen	573	JavaScript (Node.js)	2025-10-31 15:39:02
3	Hidden user	833	JavaScript (Node.js)	2025-12-04 06:56:24

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	118	JavaScript (SpiderMonkey)	2025-10-04 20:45:00
2	Christian Pilegaard Cederquist	247	JavaScript (SpiderMonkey)	2025-10-06 10:45:14

#	User	Length	Language	Date
1	Timothy Gaede	393	Julia	2025-10-05 06:18:04

#	User	Length	Language	Date
1	Javier Gómez Díaz	90	Perl	2025-12-16 02:50:04

#	User	Length	Language	Date
1	Nicholas Russell Saerang	93	Python 3	2025-10-05 07:22:32
2	Simon Baeckelant	101	Python 3	2025-10-28 21:34:49
3	David Aldenbro	104	Python 3	2025-10-05 21:00:56
4	Ahmed Chamseddine	107	Python 3	2025-10-05 11:08:00
5	Lasse Letager Hansen	139	Python 3	2025-10-07 13:28:11
6	David Worley	141	Python 3	2025-10-06 19:41:44
7	Vladyslav Reznikov	147	Python 3	2026-02-06 20:23:43
8	Teikn Smith	149	Python 3	2025-11-30 01:47:19
9	Simen Sørensen	150	Python 3	2025-10-04 18:57:22
10	Hidden user	154	Python 3	2025-10-04 11:09:38

#	User	Length	Language	Date
1	Thomas Feld	48	Ruby	2025-10-06 14:14:42
2	Chenzhang Hu	52	Ruby	2025-10-16 15:34:33

#	User	Length	Language	Date
1	Emil Dichmann	365	Rust	2025-10-05 08:37:58
2	Vincent Lagerros	375	Rust	2025-10-05 14:50:25
3	Pankajkumar Patro	520	Rust	2025-10-07 16:46:30
4	Morteza Rezaei	571	Rust	2025-10-04 12:55:34
5	Simon Hallefält	571	Rust	2025-10-05 15:54:02
6	Bo Rodin	623	Rust	2025-10-04 12:34:04
7	Mikael Fiala-Lundström	768	Rust	2026-02-24 21:44:33
8	Nathaniel Risum	789	Rust	2025-10-14 09:31:31
9	Harald Langslet Kavli	833	Rust	2025-12-15 19:38:35
10	Jiaye Will Wang	848	Rust	2025-10-05 06:08:48

#	User	Length	Language	Date
1	Arfat Hossain	1178	TypeScript	2025-11-03 22:31:11

Solution running time distribution