Problem A
Within Arm's Reach — Problem Statistics

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Submissions	346
Accepted submissions	69
Submission ratio	19.94%
Authors	71
Full solves [?]	50
Full solve Ratio	70.42%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-06-07 05:49:21
2	Bergur Snorrason	0.00 s	C	2019-07-19 14:10:12

#	User	Runtime	Language	Date
1	Chris Wu	0.08 s	Java	2017-04-02 20:06:55
2	Lewin Gan	0.15 s	Java	2017-04-02 21:47:42
3	Kadin Tang	0.18 s	Java	2021-04-09 06:20:28
4	Doug Goodman	0.19 s	Java	2020-01-07 18:47:38

#	User	Runtime	Language	Date
1	Lars Åström	0.03 s	Python 2	2019-10-29 15:27:11
2	Björn Magnusson	0.03 s	Python 2	2019-11-07 18:45:05

#	User	Runtime	Language	Date
1	Asger Hautop Drewsen	0.02 s	Python 3	2017-09-28 15:48:37
2	Oskar Haarklou Veileborg	0.02 s	Python 3	2017-10-02 10:26:44
3	Jonathon Arbaugh	0.02 s	Python 3	2019-10-21 02:32:33
4	Nicholas Russell Saerang	0.04 s	Python 3	2025-02-21 05:12:24
5	Lennart Meyling	0.04 s	Python 3	2025-11-04 00:54:23
6	Tobias Glimmerfors	0.05 s	Python 3	2020-07-10 15:49:25

#	User	Length	Language	Date
1	Ivan Petrov	3286	C	2019-06-07 05:49:21
2	Bergur Snorrason	4306	C	2019-07-19 14:10:12

#	User	Length	Language	Date
1	Dmitry Lyubshin	793	C++	2023-06-15 11:32:05
2	Jeremy Lim	880	C++	2026-02-26 18:58:28
3	Johan Wind	1050	C++	2018-06-07 14:51:32
4	Neal Zane	1259	C++	2019-07-05 22:47:23
5	Rugen Heidbuchel	1541	C++	2017-08-03 11:23:51
6	Floris Kint	1563	C++	2017-07-30 20:05:01
7	Alexander Skidanov	1620	C++	2024-11-16 15:20:37
8	Eric Schneider	1623	C++	2017-04-04 22:09:11
9	Rehim Memmedli	1752	C++	2017-07-22 10:01:54
10	nil	1766	C++	2024-11-16 15:19:55

#	User	Length	Language	Date
1	Doug Goodman	3007	Java	2020-01-07 18:47:38
2	Kadin Tang	5326	Java	2021-04-09 06:20:28
3	Chris Wu	7442	Java	2017-04-02 20:06:55
4	Lewin Gan	10184	Java	2017-04-02 21:47:42

#	User	Length	Language	Date
1	Lars Åström	2054	Python 2	2019-10-29 15:27:11
2	Björn Magnusson	2054	Python 2	2019-11-07 18:45:05

#	User	Length	Language	Date
1	Nicholas Russell Saerang	747	Python 3	2025-02-21 05:13:09
2	Lennart Meyling	1226	Python 3	2025-11-04 00:56:07
3	Asger Hautop Drewsen	1429	Python 3	2017-09-28 15:48:37
4	Oskar Haarklou Veileborg	1429	Python 3	2017-10-02 10:26:44
5	Tobias Glimmerfors	1582	Python 3	2020-07-10 15:49:25
6	Jonathon Arbaugh	4284	Python 3	2019-10-21 02:32:33

Solution running time distribution