Problem I
Tractor — Problem Statistics

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Submissions	1554
Accepted submissions	467
Submission ratio	30.05%
Authors	478
Full solves [?]	341
Full solve Ratio	71.34%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-17 19:03:04

#	User	Runtime	Language	Date
1	Annika Zhang	0.00 s	C	2017-05-06 05:05:22
2	Hidden user	0.00 s	C	2019-04-25 08:56:51
3	Ivan Petrov	0.00 s	C	2019-08-28 09:58:40
4	Filip Ghorbani	0.00 s	C	2020-06-18 13:17:43
5	Lawry Sorenson	0.00 s	C	2023-08-04 06:16:24
6	lino	0.00 s	C	2024-03-17 08:38:54

#	User	Runtime	Language	Date
1	Bryan Albert	0.02 s	C#	2015-01-05 06:31:46
2	Bas te Kolste	0.02 s	C#	2015-06-17 21:30:39
3	Tomas Forsman	0.02 s	C#	2020-04-02 17:44:59
4	Kevin Dinh	0.02 s	C#	2021-03-18 18:40:53
5	Hidden user	0.02 s	C#	2021-03-26 12:39:26

#	User	Runtime	Language	Date
1	Bjørn Dons	0.00 s	Go	2023-07-19 11:28:27
2	Keaton Ragle	0.00 s	Go	2025-12-02 11:01:55

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2024-04-14 19:55:32
2	Michael Aghassi	0.00 s	Haskell	2024-11-30 05:27:28

#	User	Runtime	Language	Date
1	Fajrin Aziz	0.04 s	Java	2025-11-24 15:23:30
2	Fredrik Persson	0.05 s	Java	2016-03-01 22:36:16
3	Robert Åkemalm	0.05 s	Java	2016-03-03 21:00:31
4	Liam Keliher	0.05 s	Java	2016-04-18 05:02:00
5	Micah Stairs	0.05 s	Java	2016-05-03 02:12:59
6	Adisa Kruayatidee	0.06 s	Java	2014-09-27 23:24:54
7	True Punishment	0.06 s	Java	2014-09-28 01:05:42
8	Huong Nguyen	0.06 s	Java	2014-10-03 00:39:09
9	Nguyễn Mạnh Phúc	0.06 s	Java	2015-09-05 13:29:35
10	Daouda Camara	0.06 s	Java	2015-09-30 06:28:01

#	User	Runtime	Language	Date
1	Slawomir Malusecki	0.09 s	JavaScript (Node.js)	2022-10-11 13:17:36
2	Suryakant Kumar	0.42 s	JavaScript (Node.js)	2021-02-23 20:59:23

#	User	Runtime	Language	Date
1	Srimaan	0.03 s	JavaScript (SpiderMonkey)	2021-05-26 10:52:02

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2025-12-16 09:09:04

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2022-01-06 22:11:31
2	Adam Rankin	0.20 s	Kotlin	2023-10-28 19:00:43

#	User	Runtime	Language	Date
1	Jakob Rødal Skaar	0.00 s	OCaml	2026-01-11 21:16:00

#	User	Runtime	Language	Date
1	Joshua Lau	0.03 s	Python 2	2015-09-05 08:38:12
2	Lech Napierała	0.03 s	Python 2	2016-10-13 13:25:24
3	Juho Lee	0.04 s	Python 2	2017-12-07 12:51:37
4	Lars Åström	0.04 s	Python 2	2018-11-20 21:50:49
5	Maj Stenmark	0.04 s	Python 2	2019-05-07 20:57:30

#	User	Runtime	Language	Date
1	Linus Eklund	0.02 s	Python 3	2016-03-18 23:21:34
2	Isaac Lee	0.02 s	Python 3	2016-05-03 03:00:18
3	Anthony Clays	0.02 s	Python 3	2017-03-12 10:15:12
4	Måns Magnusson	0.02 s	Python 3	2017-10-19 20:00:44
5	Martin Seiler	0.02 s	Python 3	2018-01-02 13:14:21
6	Hidden user	0.02 s	Python 3	2019-02-17 15:04:24
7	Jake Crouch	0.02 s	Python 3	2019-10-04 23:40:37
8	Inggriany Dwitami	0.03 s	Python 3	2018-08-28 19:44:03
9	Jacob Arvidsson	0.03 s	Python 3	2019-02-17 22:52:40
10	Firman Syah	0.04 s	Python 3	2025-02-14 11:45:57

#	User	Runtime	Language	Date
1	Michael	0.03 s	Ruby	2016-08-31 15:01:03
2	Josenildo Silva	0.05 s	Ruby	2020-05-01 22:41:10
3	Thomas Feld	0.06 s	Ruby	2023-08-15 08:21:55

#	User	Length	Language	Date
1	Chenzhang Hu	1502	Bash	2024-04-17 19:03:04

#	User	Length	Language	Date
1	Lawry Sorenson	215	C	2023-08-04 07:29:06
2	Filip Ghorbani	694	C	2020-06-18 13:17:43
3	Annika Zhang	764	C	2017-05-06 05:05:22
4	lino	1014	C	2024-03-17 08:38:54
5	Hidden user	1711	C	2019-04-25 08:56:51
6	Ivan Petrov	2194	C	2019-08-28 09:58:40

#	User	Length	Language	Date
1	Hidden user	1074	C#	2021-03-26 12:39:26
2	Bryan Albert	1275	C#	2015-01-05 06:31:46
3	Bas te Kolste	1482	C#	2015-06-17 21:30:39
4	Tomas Forsman	1664	C#	2020-04-02 17:44:59
5	Kevin Dinh	3160	C#	2021-03-18 18:40:53

#	User	Length	Language	Date
1	Hidden user	299	C++	2015-09-06 15:27:31
2	Johan Wind	300	C++	2016-08-07 16:04:47
3	Hidden user	322	C++	08:07:08
4	Antonio Carzaniga	331	C++	2024-03-14 23:45:18
5	Jeffrey Lee	334	C++	2018-01-13 08:54:38
6	Bingfeng Zhu	344	C++	2019-11-26 16:10:11
7	Rafael Kristoforus Yanto	348	C++	2025-02-09 03:05:04
8	Jaren Ryan M. Rex	351	C++	2015-09-05 12:22:15
9	Syx Pek	361	C++	2017-09-22 13:43:36
10	Kevin Sun	370	C++	2014-09-28 05:26:23

#	User	Length	Language	Date
1	Keaton Ragle	772	Go	2025-12-02 11:01:55
2	Bjørn Dons	812	Go	2023-07-19 11:28:27

#	User	Length	Language	Date
1	Brent Yorgey	127	Haskell	2024-04-14 20:07:55
2	Michael Aghassi	497	Haskell	2024-11-30 05:27:28

#	User	Length	Language	Date
1	Eric Jünger	525	Java	2023-12-01 13:32:26
2	Philip M White	549	Java	2017-10-15 22:44:16
3	Hidden user	555	Java	2018-10-15 19:25:48
4	Huseyin Umut Kazan	561	Java	2021-07-13 15:09:54
5	Jeffrey Huang	563	Java	2018-10-05 20:49:57
6	Jannik Weidenhagen	564	Java	2023-12-01 11:42:41
7	Patrik Hörnqvist	594	Java	2014-11-20 00:19:31
8	Corinne Madsen	611	Java	2014-09-30 21:44:30
9	Doug Goodman	633	Java	2018-06-02 20:00:18
10	Ian Ludden	694	Java	2014-10-06 07:11:03

#	User	Length	Language	Date
1	Slawomir Malusecki	617	JavaScript (Node.js)	2022-10-11 13:17:36
2	Suryakant Kumar	1671	JavaScript (Node.js)	2021-02-23 20:59:23

#	User	Length	Language	Date
1	Srimaan	525	JavaScript (SpiderMonkey)	2021-05-26 12:11:06

#	User	Length	Language	Date
1	Timothy Gaede	521	Julia	2025-12-16 09:09:04

#	User	Length	Language	Date
1	Adam Rankin	636	Kotlin	2023-10-28 19:00:43
2	Jacob Huebner	1693	Kotlin	2022-01-06 22:11:31

#	User	Length	Language	Date
1	Jakob Rødal Skaar	522	OCaml	2026-01-11 21:16:00

#	User	Length	Language	Date
1	Lars Åström	224	Python 2	2018-11-20 21:50:49
2	Joshua Lau	318	Python 2	2015-09-05 08:38:12
3	Maj Stenmark	464	Python 2	2019-05-07 20:57:30
4	Juho Lee	466	Python 2	2017-12-07 12:51:37
5	Lech Napierała	774	Python 2	2016-10-13 13:25:24

#	User	Length	Language	Date
1	Nicholas Russell Saerang	118	Python 3	2024-06-09 14:07:56
2	Ameer Masad	121	Python 3	2024-11-29 08:47:11
3	Benjamin Z White	124	Python 3	2023-08-21 01:07:30
4	Yong Mao	128	Python 3	2023-09-13 15:53:06
5	Alexandre Charland	135	Python 3	2024-10-23 04:04:27
6	Ryan Farrell	159	Python 3	2023-08-04 16:02:52
7	Paul Swingle	178	Python 3	2023-08-04 03:56:23
8	Lawry Sorenson	183	Python 3	2023-08-04 07:12:46
9	Guan Yang Ze	205	Python 3	2020-12-11 20:14:55
10	Hrant Hovhannisyan	208	Python 3	2025-07-22 09:02:52

#	User	Length	Language	Date
1	Thomas Feld	106	Ruby	2023-08-15 08:27:04
2	Josenildo Silva	421	Ruby	2020-05-01 22:41:10
3	Michael	639	Ruby	2016-08-31 15:01:03

Solution running time distribution