Problem A
Expanding Rods — Problem Statistics

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Submissions	1187
Accepted submissions	257
Submission ratio	21.65%
Authors	197
Full solves [?]	149
Full solve Ratio	75.63%

#	User	Runtime	Language	Date
1	Jesper Särnesjö	0.00 s	C	2007-11-12 18:16:45
2	Mark Bartish	0.00 s	C	2008-11-10 08:26:50
3	Johannes Svensson	0.00 s	C	2009-10-25 16:57:06
4	Niklas Nordmark	0.00 s	C	2011-10-31 23:13:40
5	Per Olofsson	0.00 s	C	2011-11-08 00:20:40
6	Hidden user	0.00 s	C	2023-06-04 12:11:14

#	User	Runtime	Language	Date
1	Mai Kiến Quốc	0.02 s	C#	2022-07-16 13:52:33

#	User	Runtime	Language	Date
1	Tim Put	0.01 s	Haskell	2020-11-12 20:09:55
2	Fulano de Tal	0.01 s	Haskell	2022-01-16 21:03:49

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.06 s	Java	2023-02-19 14:28:36
2	Quân Anh	0.06 s	Java	2024-04-20 15:03:14
3	Ranjith M	0.06 s	Java	2024-07-17 02:04:28
4	Vinh Nguyễn Quang	0.07 s	Java	2021-05-08 14:52:21
5	Vu Minh Hieu	0.07 s	Java	2021-05-08 16:44:01
6	Gary Gurlaskie	0.07 s	Java	2022-04-25 13:12:51
7	Brent Yorgey	0.09 s	Java	2019-05-29 04:08:38
8	Bjørn Dons	0.09 s	Java	2019-08-17 00:07:15
9	Frederick Pek	0.09 s	Java	2021-03-04 15:29:27
10	Nick Wu	0.09 s	Java	2022-03-15 01:57:28

#	User	Runtime	Language	Date
1	Timothy Gaede	0.77 s	Julia	2024-09-26 16:57:45

#	User	Runtime	Language	Date
1	Lars Åström	0.04 s	Python 2	2019-06-23 21:37:28
2	Sivasankaran D	0.07 s	Python 2	2025-09-21 08:14:55

#	User	Runtime	Language	Date
1	Intrets	0.02 s	Python 3	2019-08-17 00:01:16
2	Paco Criado	0.04 s	Python 3	2024-12-06 01:33:05
3	Jacob Molin	0.04 s	Python 3	2025-02-08 10:36:53
4	Arup Ratan Guha	0.04 s	Python 3	2025-04-19 20:23:41
5	Hrant Hovhannisyan	0.04 s	Python 3	2025-07-04 11:00:49
6	Firman Syah	0.04 s	Python 3	2025-08-20 08:15:51
7	Si Jie Tan	0.04 s	Python 3	2026-01-30 08:43:36
8	Hidden user	0.04 s	Python 3	2026-02-14 01:14:28
9	Lionel KITIHOUN	0.05 s	Python 3	2022-03-29 01:31:14
10	Tony Kwan	0.05 s	Python 3	2023-01-21 21:29:12

#	User	Runtime	Language	Date
1	Adam Ehlers Nyholm Thomsen	0.00 s	Rust	2020-12-19 16:43:54
2	Ole Johan Walderhaug	0.00 s	Rust	2021-05-11 12:21:13
3	Emil Hultcrantz	0.00 s	Rust	2025-02-10 21:08:12

#	User	Length	Language	Date
1	Niklas Nordmark	723	C	2011-10-31 23:13:40
2	Johannes Svensson	769	C	2009-10-25 16:57:06
3	Hidden user	807	C	2023-06-04 12:11:14
4	Per Olofsson	965	C	2011-11-08 00:20:40
5	Jesper Särnesjö	987	C	2007-11-12 18:22:54
6	Mark Bartish	2025	C	2008-11-10 08:26:50

#	User	Length	Language	Date
1	Mai Kiến Quốc	1367	C#	2022-07-16 13:52:33

#	User	Length	Language	Date
1	Jeremy Lim	456	C++	2024-12-01 19:43:47
2	Alfred Wärnsäter	489	C++	2021-02-06 00:14:33
3	Marcus Forssell Stahre	494	C++	2008-11-10 02:14:00
4	Willson Wijaya	513	C++	2021-02-24 01:52:55
5	Steven Halim	572	C++	2019-05-11 14:46:28
6	Mohsen Dehbashi	588	C++	2020-05-25 10:18:06
7	Tobias Kruseborn	600	C++	2007-12-14 13:44:15
8	Håkan Terelius	602	C++	2008-02-09 00:01:57
9	Gary Gurlaskie	602	C++	2022-04-25 13:04:08
10	Hugo Cedervall	604	C++	2020-11-28 16:03:53

#	User	Length	Language	Date
1	Tim Put	1504	Haskell	2020-11-12 20:09:55
2	Fulano de Tal	2756	Haskell	2022-01-16 21:03:49

#	User	Length	Language	Date
1	Nick Wu	967	Java	2022-03-15 01:57:28
2	Gary Gurlaskie	1325	Java	2022-04-25 13:14:12
3	Florian Cassayre	1407	Java	2019-05-10 15:07:41
4	Aked Hindi	1433	Java	2011-03-22 20:00:42
5	Frederick Pek	1459	Java	2021-03-04 15:29:27
6	Doug Goodman	1624	Java	2021-05-21 15:41:51
7	Ashkan Jahanbakhsh	1757	Java	2011-11-03 16:05:36
8	Staffan Rydström	2308	Java	2011-11-03 03:49:00
9	Hanif Farahmand Mokarremi	2535	Java	2011-11-01 13:55:34
10	Simon Habtemikael	2571	Java	2007-11-12 21:34:15

#	User	Length	Language	Date
1	Timothy Gaede	955	Julia	2024-09-26 16:57:45

#	User	Length	Language	Date
1	Lars Åström	505	Python 2	2019-06-23 21:37:28
2	Sivasankaran D	968	Python 2	2025-09-21 08:14:55

#	User	Length	Language	Date
1	Si Jie Tan	257	Python 3	2026-01-30 08:43:36
2	Nicholas Russell Saerang	297	Python 3	2024-06-05 19:33:14
3	Tony Kwan	401	Python 3	2023-01-21 21:29:12
4	Clement Oh	401	Python 3	2024-01-28 15:17:31
5	Hrant Hovhannisyan	417	Python 3	2025-07-04 11:00:49
6	Jacob Molin	468	Python 3	2025-02-08 10:36:53
7	Shen Licong	481	Python 3	2024-04-11 09:48:09
8	Mohammad Hashemi	482	Python 3	2022-03-24 00:19:32
9	Tobias Glimmerfors	524	Python 3	2020-08-01 21:44:24
10	alexandre dewilde	532	Python 3	2023-12-30 23:35:01

#	User	Length	Language	Date
1	Emil Hultcrantz	1306	Rust	2025-02-10 21:08:12
2	Adam Ehlers Nyholm Thomsen	1794	Rust	2020-12-19 16:43:54
3	Ole Johan Walderhaug	2155	Rust	2021-05-11 12:21:13

Solution running time distribution