Problem A
Within Arm's Reach — Problem Statistics

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Submissions	344
Accepted submissions	68
Submission ratio	19.77%
Authors	70
Full solves [?]	49
Full solve Ratio	70.00%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-06-07 07:49:21
2	Bergur Snorrason	0.00 s	C	2019-07-19 16:10:12

#	User	Runtime	Language	Date
1	Chris Wu	0.08 s	Java	2017-04-02 22:06:55
2	Lewin Gan	0.15 s	Java	2017-04-02 23:47:42
3	Kadin Tang	0.18 s	Java	2021-04-09 08:20:28
4	Doug Goodman	0.19 s	Java	2020-01-07 19:47:38

#	User	Runtime	Language	Date
1	Lars Åström	0.03 s	Python 2	2019-10-29 16:27:11
2	Björn Magnusson	0.03 s	Python 2	2019-11-07 19:45:05

#	User	Runtime	Language	Date
1	Asger Hautop Drewsen	0.02 s	Python 3	2017-09-28 17:48:37
2	Oskar Haarklou Veileborg	0.02 s	Python 3	2017-10-02 12:26:44
3	Jonathon Arbaugh	0.02 s	Python 3	2019-10-21 04:32:33
4	Nicholas Russell Saerang	0.04 s	Python 3	2025-02-21 06:12:24
5	Lennart Meyling	0.04 s	Python 3	2025-11-04 01:54:23
6	Tobias Glimmerfors	0.05 s	Python 3	2020-07-10 17:49:25

#	User	Length	Language	Date
1	Ivan Petrov	3286	C	2019-06-07 07:49:21
2	Bergur Snorrason	4306	C	2019-07-19 16:10:12

#	User	Length	Language	Date
1	Dmitry Lyubshin	793	C++	2023-06-15 13:32:05
2	Johan Wind	1050	C++	2018-06-07 16:51:32
3	Neal Zane	1259	C++	2019-07-06 00:47:23
4	Rugen Heidbuchel	1541	C++	2017-08-03 13:23:51
5	Floris Kint	1563	C++	2017-07-30 22:05:01
6	Alexander Skidanov	1620	C++	2024-11-16 16:20:37
7	Eric Schneider	1623	C++	2017-04-05 00:09:11
8	Rehim Memmedli	1752	C++	2017-07-22 12:01:54
9	nil	1766	C++	2024-11-16 16:19:55
10	Filippo Baroni	1828	C++	2017-08-08 23:34:55

#	User	Length	Language	Date
1	Doug Goodman	3007	Java	2020-01-07 19:47:38
2	Kadin Tang	5326	Java	2021-04-09 08:20:28
3	Chris Wu	7442	Java	2017-04-02 22:06:55
4	Lewin Gan	10184	Java	2017-04-02 23:47:42

#	User	Length	Language	Date
1	Lars Åström	2054	Python 2	2019-10-29 16:27:11
2	Björn Magnusson	2054	Python 2	2019-11-07 19:45:05

#	User	Length	Language	Date
1	Nicholas Russell Saerang	747	Python 3	2025-02-21 06:13:09
2	Lennart Meyling	1226	Python 3	2025-11-04 01:56:07
3	Asger Hautop Drewsen	1429	Python 3	2017-09-28 17:48:37
4	Oskar Haarklou Veileborg	1429	Python 3	2017-10-02 12:26:44
5	Tobias Glimmerfors	1582	Python 3	2020-07-10 17:49:25
6	Jonathon Arbaugh	4284	Python 3	2019-10-21 04:32:33

Solution running time distribution