Problem A
Running Race — Problem Statistics

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Submissions	4718
Accepted submissions	1616
Submission ratio	34.25%
Authors	980
Full solves [?]	760
Full solve Ratio	77.55%

#	User	Score	Language	Date
1	Bergur Snorrason	100	C	2022-02-19 14:04:52
2	James Fontenot	100	C	2023-08-25 15:56:47
3	Anderson Lizarazo Tellez	65	C	2023-11-09 15:54:43

#	User	Score	Language	Date
1	Daniel Juhl	100	C#	2022-02-25 18:52:48
2	Mikael Fiala-Lundström	100	C#	2022-10-15 13:07:21
3	Jacob Harris Cryer Kragh	100	C#	2022-11-07 09:34:49
4	Andriy Zyevakov	100	C#	2023-01-11 17:34:24
5	Raymond Holm	100	C#	2023-11-01 19:38:18
6	PlagueX	100	C#	2024-03-01 23:08:38
7	Yuwono Bangun Nagoro	65	C#	2022-03-20 21:21:09

#	User	Score	Language	Date
1	Thomas Wolgast Rørbech	100	F#	2022-02-25 18:52:39
2	Laurits Brodal	100	F#	2024-04-17 12:23:23

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2022-04-12 20:43:00
2	Ola Dahl	100	Go	2022-11-06 18:03:06

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2022-02-21 04:14:07
2	Hidden user	100	Haskell	2022-04-11 18:47:26
3	Steinar Simonnes	100	Haskell	2025-07-14 16:22:40

#	User	Score	Language	Date
1	Samuel Högfeldt	65	JavaScript (Node.js)	2022-08-02 12:44:36

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2022-03-02 22:30:25
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-02-22 07:04:34

#	User	Score	Language	Date
1	Timothy Gaede	65	Julia	2024-05-11 19:04:00

#	User	Score	Language	Date
1	Johan Lyts	100	Python 2	2022-11-19 14:06:06
2	Yanmarshus Bachtiar	100	Python 2	2023-07-31 14:12:29

#	User	Score	Language	Date
1	Miorel Palii	100	Ruby	2022-03-25 08:10:05
2	Thomas Feld	100	Ruby	2023-03-07 13:45:06
3	Matzuka	100	Ruby	2025-11-19 16:59:51

#	User	Score	Language	Date
1	Alice Ryhl	100	Rust	2022-02-25 16:26:28
2	Alexander Skovsende	100	Rust	2022-02-25 18:20:14
3	David Rasch	100	Rust	2022-06-29 11:46:17
4	Bas Dirks	100	Rust	2022-11-21 11:54:10
5	Daniel Anker Hermansen	100	Rust	2022-12-29 22:47:02
6	Giang Đào	100	Rust	2023-01-02 14:37:56
7	Noah Alexander Brubaker	100	Rust	2023-08-26 00:04:13
8	Vincent Lagerros	100	Rust	2024-09-17 21:11:40
9	Ulrik Djurtoft	65	Rust	2022-10-03 22:22:58

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.02 s	C	2022-02-19 14:04:52
2	James Fontenot	0.04 s	C	2023-08-25 17:44:05

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.11 s	C#	2023-01-11 17:34:24
2	Jacob Harris Cryer Kragh	0.17 s	C#	2022-11-07 09:34:49
3	PlagueX	0.36 s	C#	2024-03-01 23:08:38
4	Raymond Holm	0.39 s	C#	2023-11-01 19:38:18
5	Mikael Fiala-Lundström	0.41 s	C#	2022-10-15 13:07:21
6	Daniel Juhl	0.52 s	C#	2022-02-25 18:52:48

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.01 s	C++	2022-11-11 23:50:17
2	Frank Endriss	0.02 s	C++	2022-02-27 07:29:17
3	Hidden user	0.03 s	C++	2022-02-20 11:24:56
4	Tomas Lagland	0.03 s	C++	2022-09-09 17:24:38
5	Hidden user	0.03 s	C++	2022-09-17 03:43:36
6	Hidden user	0.03 s	C++	2022-09-18 18:15:52
7	Foo Yang Wei, Jerome	0.03 s	C++	2022-09-30 14:12:18
8	Ching Jaymi Mae Lim	0.03 s	C++	2022-10-03 10:41:37
9	Lee Jun Hui Ansenn	0.03 s	C++	2022-10-03 17:57:44
10	Hidden user	0.03 s	C++	2022-10-05 12:21:33

#	User	Runtime	Language	Date
1	Thomas Wolgast Rørbech	0.66 s	F#	2022-02-25 18:52:39
2	Laurits Brodal	0.92 s	F#	2024-04-17 12:23:23

#	User	Runtime	Language	Date
1	Ola Dahl	0.32 s	Go	2022-11-06 18:03:06
2	Norbert Voelker	0.52 s	Go	2022-04-12 20:43:00

#	User	Runtime	Language	Date
1	Hidden user	0.31 s	Haskell	2022-04-11 18:47:26
2	Brent Yorgey	0.52 s	Haskell	2022-02-21 04:14:07
3	Steinar Simonnes	0.94 s	Haskell	2025-07-14 16:22:40

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.13 s	Java	2022-04-02 11:17:35
2	Guangyi Zhou	0.22 s	Java	2025-05-11 16:25:59
3	Crystal Sharpe	0.34 s	Java	2022-02-22 05:13:24
4	Asmus Tørsleff	0.34 s	Java	2022-02-25 17:11:45
5	CHEE JING JIE	0.48 s	Java	2023-10-13 17:55:38
6	DAVID ZHU HAOYUAN	0.52 s	Java	2023-09-24 20:28:16
7	Sia Zhong Qing	0.52 s	Java	2023-10-14 01:02:33
8	CHIA WEE KEAT, RYAN	0.54 s	Java	2023-10-09 17:09:40
9	Sim Kian Seng	0.54 s	Java	2023-10-12 05:08:40
10	Hidden user	0.55 s	Java	2022-09-19 18:02:36

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.21 s	JavaScript (SpiderMonkey)	2022-03-02 22:30:25
2	Christian Pilegaard Cederquist	0.35 s	JavaScript (SpiderMonkey)	2023-02-22 07:04:34

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.11 s	Python 2	2023-07-31 14:12:29
2	Johan Lyts	0.23 s	Python 2	2022-11-19 14:09:33

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.14 s	Python 3	2021-04-15 09:17:54
2	Lwee Yong Xin Michael	0.18 s	Python 3	2022-11-07 04:42:15
3	Lee Soon Yoong	0.18 s	Python 3	2022-11-08 16:23:48
4	benoit belasco	0.19 s	Python 3	2023-08-11 20:30:21
5	Gage Mariano	0.19 s	Python 3	2023-08-25 18:56:40
6	Luo Ming	0.20 s	Python 3	2022-11-02 04:25:43
7	Erik Buis	0.23 s	Python 3	2022-07-05 20:24:52
8	Tan Tiong Guan	0.24 s	Python 3	2024-09-05 03:53:12
9	Rasmus Hulthe	0.24 s	Python 3	2024-10-02 15:51:54
10	Ole Vik Lysne	0.24 s	Python 3	2025-02-11 23:20:15

#	User	Runtime	Language	Date
1	Miorel Palii	0.44 s	Ruby	2022-03-25 08:10:05
2	Matzuka	0.54 s	Ruby	2025-11-19 16:59:51
3	Thomas Feld	0.57 s	Ruby	2023-03-07 13:45:06

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-09-17 21:18:51
2	Giang Đào	0.02 s	Rust	2023-01-02 14:37:56
3	Bas Dirks	0.03 s	Rust	2022-11-21 11:54:10
4	Alexander Skovsende	0.10 s	Rust	2022-02-25 18:20:14
5	David Rasch	0.10 s	Rust	2022-06-29 11:46:17
6	Daniel Anker Hermansen	0.10 s	Rust	2022-12-29 22:47:02
7	Alice Ryhl	0.15 s	Rust	2022-02-25 16:26:28
8	Noah Alexander Brubaker	0.17 s	Rust	2023-08-26 00:04:13

#	User	Length	Language	Date
1	James Fontenot	1325	C	2023-08-25 15:56:47
2	Bergur Snorrason	2561	C	2022-02-19 14:04:52

#	User	Length	Language	Date
1	PlagueX	874	C#	2024-03-01 23:08:38
2	Raymond Holm	1148	C#	2023-11-01 19:41:08
3	Daniel Juhl	1675	C#	2022-02-25 18:52:48
4	Jacob Harris Cryer Kragh	1802	C#	2022-11-07 09:34:49
5	Mikael Fiala-Lundström	2405	C#	2022-10-15 13:07:21
6	Andriy Zyevakov	8348	C#	2023-01-11 17:34:24

#	User	Length	Language	Date
1	Artemis Ngoh	492	C++	2022-09-17 02:09:03
2	Chuah Wan Juin	503	C++	2022-10-04 03:03:21
3	Hyunjun Lee	527	C++	2023-05-05 09:00:25
4	Hidden user	549	C++	2023-05-15 22:35:43
5	Dmitry Lyubshin	569	C++	2023-03-24 05:50:29
6	Bjarki Baldursson Harksen	601	C++	2023-01-27 03:11:25
7	Grae Yeandle	607	C++	2022-10-19 12:45:54
8	Ron Ryvchin	609	C++	2023-06-10 13:53:56
9	Warren Quek	621	C++	2023-04-20 11:22:56
10	人外沙耶	645	C++	2023-01-17 15:02:53

#	User	Length	Language	Date
1	Laurits Brodal	921	F#	2024-04-17 12:23:23
2	Thomas Wolgast Rørbech	1271	F#	2022-02-25 18:52:39

#	User	Length	Language	Date
1	Norbert Voelker	1404	Go	2022-04-12 20:43:00
2	Ola Dahl	1820	Go	2022-11-06 18:03:06

#	User	Length	Language	Date
1	Steinar Simonnes	1191	Haskell	2025-07-14 16:24:52
2	Hidden user	1586	Haskell	2022-04-11 18:47:26
3	Brent Yorgey	8846	Haskell	2022-02-21 04:14:07

#	User	Length	Language	Date
1	Josh Henderson	1182	Java	2022-11-11 05:44:01
2	Markus Bao	1214	Java	2025-10-31 23:16:57
3	Allysa Tan Li Ying	1227	Java	2023-09-27 10:00:10
4	Hunter Mullen	1255	Java	2025-02-24 06:14:24
5	Doug Goodman	1332	Java	2023-04-30 17:16:42
6	Nikoline Olander Rasmussen	1360	Java	2022-02-25 18:38:26
7	Seethamsetty Sai Utkarsh	1368	Java	2023-10-13 09:49:30
8	Crystal Sharpe	1503	Java	2022-02-22 05:13:24
9	Khoo Jing Xiang	1513	Java	2023-10-12 12:37:35
10	Atharva Tyagi	1534	Java	2023-10-04 15:13:29

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	363	JavaScript (SpiderMonkey)	2023-02-22 07:04:34
2	Bjørn Chr. Soltvedt	516	JavaScript (SpiderMonkey)	2022-03-02 22:30:25

#	User	Length	Language	Date
1	Johan Lyts	481	Python 2	2022-11-19 14:06:06
2	Yanmarshus Bachtiar	487	Python 2	2023-07-31 14:12:29

#	User	Length	Language	Date
1	Ahmed Chamseddine	224	Python 3	2025-05-18 18:58:54
2	Benjamin Z White	239	Python 3	2023-05-04 22:32:14
3	Artur Khuziakhmetov	256	Python 3	2023-06-07 16:07:50
4	Hidden user	261	Python 3	2022-11-08 01:16:40
5	Martin Handest	284	Python 3	2023-09-13 11:42:47
6	Yong Mao	291	Python 3	2023-06-09 13:38:17
7	Hidden user	306	Python 3	2023-09-23 06:25:18
8	Erik Amirell Eklöf	313	Python 3	2021-04-23 16:17:15
9	Nicholas Russell Saerang	317	Python 3	2023-06-23 19:55:46
10	Zach Tschetter	323	Python 3	2024-02-11 01:19:58

#	User	Length	Language	Date
1	Thomas Feld	151	Ruby	2023-03-07 13:45:06
2	Miorel Palii	326	Ruby	2022-03-25 08:10:05
3	Matzuka	489	Ruby	2025-11-19 16:59:51

#	User	Length	Language	Date
1	Alexander Skovsende	1115	Rust	2022-02-25 18:20:14
2	Noah Alexander Brubaker	1261	Rust	2023-08-26 00:04:13
3	Alice Ryhl	1391	Rust	2022-02-25 16:26:28
4	David Rasch	1535	Rust	2022-06-29 11:46:17
5	Bas Dirks	1699	Rust	2022-11-21 11:54:10
6	Giang Đào	7436	Rust	2023-01-02 14:37:56
7	Vincent Lagerros	16476	Rust	2024-09-17 21:11:40
8	Daniel Anker Hermansen	25462	Rust	2022-12-29 22:47:02

Solution running time distribution