Problem A
Gear Changing — Problem Statistics

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Submissions	3034
Accepted submissions	1100
Submission ratio	36.26%
Authors	996
Full solves [?]	869
Full solve Ratio	87.25%

#	User	Runtime	Language	Date
1	Ulrich Johan Isachsen	0.00 s	C	2018-04-14 12:30:00
2	Bergur Snorrason	0.00 s	C	2019-07-07 19:19:43
3	Sambit Palit	0.00 s	C	2020-11-21 22:53:03
4	Mirel Cosulschi	0.00 s	C	2025-03-21 17:42:34

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Common Lisp	2019-08-03 22:44:16

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2021-11-26 13:56:11

#	User	Runtime	Language	Date
1	Tim Put	0.01 s	Haskell	2020-12-04 23:44:59
2	Brandon Tang	0.01 s	Haskell	2023-06-10 12:20:45
3	Elias Riedel Gårding	0.03 s	Haskell	2018-11-11 14:19:24
4	Brent Yorgey	0.04 s	Haskell	2019-12-19 01:17:49

#	User	Runtime	Language	Date
1	Didrik Jonassen	0.06 s	Java	2018-04-14 12:16:02
2	Hermann Stolte	0.06 s	Java	2018-04-14 12:25:25
3	Bjørn Dons	0.06 s	Java	2018-11-12 23:25:23
4	Rene Argento	0.07 s	Java	2021-02-27 17:15:19
5	Ernest Ng Zi Xuan	0.07 s	Java	2023-08-31 20:28:51
6	Hidden user	0.08 s	Java	2018-04-14 13:33:08
7	Fredrik Lygre Bergesen	0.08 s	Java	2018-04-14 13:33:26
8	Christoph Gross	0.08 s	Java	2018-04-14 14:46:16
9	Steffen Sande	0.08 s	Java	2018-04-14 15:04:51
10	Joost Linthorst	0.08 s	Java	2018-10-17 16:06:52

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-11-06 09:13:51

#	User	Runtime	Language	Date
1	Timothy Gaede	0.77 s	Julia	2024-07-03 11:01:16

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Kotlin	2020-04-30 08:22:26
2	Adam Rankin	0.23 s	Kotlin	2023-10-06 05:13:34
3	Min-Zheng Shieh	0.25 s	Kotlin	2021-03-17 14:31:51

#	User	Runtime	Language	Date
1	Tormod Ryeng	0.03 s	Python 2	2018-04-14 11:32:09
2	Mathias Rav	0.03 s	Python 2	2018-04-14 11:39:00
3	Amund Tenstad	0.03 s	Python 2	2018-04-14 12:02:32
4	Torstein Strømme	0.03 s	Python 2	2018-04-14 12:08:33
5	Yngve Hellås	0.03 s	Python 2	2018-04-14 12:16:14
6	Casper Freksen	0.03 s	Python 2	2018-04-14 12:23:17
7	Gunvor Lemvik	0.03 s	Python 2	2018-04-14 12:30:26
8	Erik Tjøswold	0.03 s	Python 2	2018-04-14 16:47:08
9	Zohar Malamant	0.03 s	Python 2	2018-04-14 17:27:01
10	Hidden user	0.03 s	Python 2	2018-07-30 17:50:17

#	User	Runtime	Language	Date
1	Mahdi Saeikhalili	0.02 s	Python 3	2019-10-19 07:42:28
2	Hidden user	0.03 s	Python 3	2019-05-18 04:20:02
3	Kadin Matotek	0.04 s	Python 3	2025-03-22 03:03:19
4	Petr	0.04 s	Python 3	2025-06-03 16:56:47
5	Adrian Luah Jun Kang	0.04 s	Python 3	2026-02-09 17:35:38
6	Naveen Kumar S	0.04 s	Python 3	2026-02-19 02:36:03
7	YANG HAIRUOLIN	0.04 s	Python 3	2026-02-21 03:38:29
8	Chong Zhen Yang	0.04 s	Python 3	2026-02-21 06:46:00
9	Alen Reuel	0.04 s	Python 3	2026-02-21 09:48:42
10	LEE EN YI JAVIER	0.04 s	Python 3	2026-02-22 05:45:19

#	User	Runtime	Language	Date
1	Christofer Nolander	0.00 s	Rust	2019-10-18 15:36:12

#	User	Length	Language	Date
1	Mirel Cosulschi	1102	C	2025-03-21 17:42:34
2	Bergur Snorrason	1167	C	2019-07-07 19:19:43
3	Sambit Palit	1905	C	2020-11-21 22:53:03
4	Ulrich Johan Isachsen	3552	C	2018-04-14 12:30:00

#	User	Length	Language	Date
1	William Gan	510	C++	2018-04-20 19:38:27
2	maze mela	511	C++	2022-03-06 19:06:37
3	Heng Yong Hen	521	C++	2026-02-27 16:11:35
4	Ben Wu	530	C++	2021-07-19 19:07:45
5	Paulius Gasiukevičius	553	C++	2020-12-06 17:42:38
6	陳楷元	567	C++	2024-03-14 08:47:20
7	Pasjuge	568	C++	2022-03-06 16:37:05
8	Yilian Dhirayuvati Chen	570	C++	2020-09-03 14:10:48
9	Hidden user	570	C++	2022-09-08 11:40:23
10	Ganapathy Sanath Balaji	577	C++	2019-09-06 10:08:13

#	User	Length	Language	Date
1	Hidden user	727	Common Lisp	2019-08-03 22:44:16

#	User	Length	Language	Date
1	Norbert Voelker	1715	Go	2021-11-26 14:01:55

#	User	Length	Language	Date
1	Tim Put	405	Haskell	2020-12-04 23:44:59
2	Brandon Tang	581	Haskell	2023-06-10 12:20:45
3	Brent Yorgey	2071	Haskell	2019-12-19 01:17:49
4	Elias Riedel Gårding	2321	Haskell	2018-11-11 14:19:24

#	User	Length	Language	Date
1	Dylan Smith	942	Java	2020-10-18 22:46:54
2	Tan Zi Yang	965	Java	2023-09-04 19:13:26
3	Jon Marius Venstad	983	Java	2018-04-14 13:21:27
4	Doug Goodman	983	Java	2019-03-07 21:59:55
5	Benedict Bryan Tjandra	993	Java	2023-09-01 09:33:52
6	Hidden user	998	Java	2019-04-06 04:50:55
7	Atharva Tyagi	1030	Java	2023-08-31 11:51:10
8	Ezreal	1039	Java	2022-03-04 16:07:16
9	Tan Khang Hou	1088	Java	2023-08-31 11:55:39
10	Yadunand Prem	1117	Java	2023-08-31 11:32:22

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	515	JavaScript (SpiderMonkey)	2023-11-06 09:13:51

#	User	Length	Language	Date
1	Timothy Gaede	1163	Julia	2024-07-03 11:01:16

#	User	Length	Language	Date
1	Min-Zheng Shieh	424	Kotlin	2021-03-17 14:31:51
2	Adam Rankin	591	Kotlin	2023-10-06 05:13:34
3	Hidden user	1057	Kotlin	2020-04-30 08:22:26

#	User	Length	Language	Date
1	Thomas Feld	235	Python 2	2019-11-12 14:39:19
2	Hidden user	331	Python 2	2018-07-30 17:50:17
3	Andreas Björklund	334	Python 2	2019-05-06 19:38:12
4	Tormod Ryeng	381	Python 2	2018-04-14 11:32:09
5	Mathias Rav	384	Python 2	2018-04-14 11:39:00
6	Måns Magnusson	397	Python 2	2019-09-22 14:06:53
7	Gerth Stølting Brodal	423	Python 2	2019-03-08 14:21:41
8	Jonatan Nilsson	431	Python 2	2019-09-22 22:27:05
9	Lars Åström	446	Python 2	2019-09-22 13:43:26
10	Yngve Hellås	458	Python 2	2018-04-14 12:16:14

#	User	Length	Language	Date
1	Nicholas Russell Saerang	244	Python 3	2023-06-25 01:30:14
2	Noah Hessen Bjerke	254	Python 3	2024-03-16 18:11:08
3	Jason Cannon	266	Python 3	2020-01-06 17:37:31
4	Teikn Smith	268	Python 3	2024-08-22 03:04:50
5	Guillermo Hernández	275	Python 3	2021-10-24 08:09:22
6	Thibault Raffaillac	293	Python 3	2021-03-11 19:54:01
7	Grayden Price	309	Python 3	2020-11-30 06:31:23
8	Ziyi Yang	323	Python 3	2026-02-28 06:14:28
9	Hidden user	327	Python 3	2026-03-01 19:08:26
10	Sander Oppen	329	Python 3	2024-03-12 22:06:50

#	User	Length	Language	Date
1	Christofer Nolander	3916	Rust	2019-10-18 15:36:12

Solution running time distribution