Problem A
Dropping Directions — Problem Statistics

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Submissions	309
Accepted submissions	165
Submission ratio	53.40%
Authors	150
Full solves [?]	130
Full solve Ratio	86.67%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.14 s	C	2019-06-26 10:33:47

#	User	Runtime	Language	Date
1	Grae Yeandle	0.02 s	C++	2017-02-12 20:57:03
2	Kevin Liu	0.03 s	C++	2016-04-15 15:47:11
3	Theodor Beskow	0.05 s	C++	2022-09-07 21:58:43
4	Patrik Lilja	0.11 s	C++	2017-05-14 12:45:09
5	Bui Tuan Dai	0.13 s	C++	2015-11-08 14:15:34
6	Neal Zane	0.13 s	C++	2015-12-16 08:42:39
7	Gabriel Russo	0.13 s	C++	2017-04-11 00:00:07
8	Hidden user	0.13 s	C++	2017-04-16 03:55:14
9	Bjarki Ágúst Guðmundsson	0.14 s	C++	2014-11-22 23:45:33
10	Nguyen Thanh Trung	0.14 s	C++	2014-12-01 05:01:24

#	User	Runtime	Language	Date
1	Norbert Voelker	0.19 s	Go	2022-07-15 01:23:49

#	User	Runtime	Language	Date
1	Bjørn Dons	0.32 s	Java	2018-12-08 21:49:46
2	Andrew Polizzotto	0.68 s	Java	2020-05-26 08:32:33
3	Rene Argento	0.68 s	Java	2023-05-20 18:39:52
4	Doug Goodman	0.70 s	Java	2018-10-02 20:27:20
5	Micah Stairs	0.78 s	Java	2017-01-09 23:27:26
6	Paul Boddington	0.84 s	Java	2017-01-22 03:04:16
7	Kevin Lim Yong Shen	0.94 s	Java	2021-12-12 13:25:46
8	Benjamin Reidys	0.99 s	Java	2019-06-23 23:50:31
9	Joshua Fair	1.07 s	Java	2018-04-16 19:11:18
10	Brent Yorgey	1.16 s	Java	2018-12-10 16:10:27

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.77 s	JavaScript (SpiderMonkey)	2025-06-10 15:18:44

#	User	Runtime	Language	Date
1	Andreas Björklund	0.66 s	Python 2	2020-10-06 19:57:22
2	Oskar Haarklou Veileborg	0.85 s	Python 2	2019-07-24 13:25:32
3	Maj Stenmark	1.28 s	Python 2	2020-10-13 22:33:25
4	Marcus Johansson	1.58 s	Python 2	2016-08-07 11:57:02
5	Lars Åström	1.87 s	Python 2	2019-04-25 19:29:07

#	User	Runtime	Language	Date
1	Jamie Simon	0.82 s	Python 3	2025-03-04 20:48:11
2	Måns Magnusson	1.71 s	Python 3	2020-10-13 20:10:27
3	Nicholas Russell Saerang	1.81 s	Python 3	2024-06-01 06:57:59
4	Matthew Joseph Schallenkamp	1.82 s	Python 3	2025-03-04 20:45:57
5	Bas van Opheusden	1.99 s	Python 3	2025-03-04 20:48:46
6	Jeroen Op de Beek	2.48 s	Python 3	2024-09-23 03:14:36
7	Casper Rysgaard	2.49 s	Python 3	2023-10-05 19:19:43

#	User	Length	Language	Date
1	Ivan Petrov	1367	C	2019-06-26 10:33:47

#	User	Length	Language	Date
1	Josenildo Silva	727	C++	2018-05-09 15:36:13
2	Grae Yeandle	730	C++	2017-02-12 20:50:25
3	Xuan Tung Nguyen	848	C++	2020-04-08 15:08:57
4	Markus Mathiasen	865	C++	2023-07-25 13:29:04
5	Renzo Gonzalo Gómez Diaz	930	C++	2017-03-30 01:19:09
6	Daan van Gent	932	C++	2016-10-08 12:21:03
7	Hải Minh	988	C++	2020-01-04 01:20:03
8	Alex Dai	1007	C++	2016-08-20 12:01:11
9	Sarun Vat Paisarnsrisomsuk	1016	C++	2015-10-11 22:55:42
10	David Venhoek	1037	C++	2016-04-04 12:39:29

#	User	Length	Language	Date
1	Norbert Voelker	2148	Go	2022-07-15 01:23:49

#	User	Length	Language	Date
1	Nguyễn Mạnh Phúc	1220	Java	2015-10-14 18:23:02
2	Elias Moons	1890	Java	2015-09-04 11:49:32
3	Micah Stairs	1957	Java	2017-01-09 23:27:26
4	Doug Goodman	2341	Java	2018-10-02 20:27:20
5	Erik Baalhuis	2383	Java	2017-06-12 22:10:00
6	George Zhang	2544	Java	2023-11-18 20:18:21
7	Paul Boddington	2653	Java	2017-01-22 03:08:22
8	Martijn Muijsers	2804	Java	2017-05-03 00:58:29
9	Kevin Lim Yong Shen	3035	Java	2021-12-12 13:26:10
10	Andrew Polizzotto	3294	Java	2020-05-26 08:32:33

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1281	JavaScript (SpiderMonkey)	2025-06-10 15:18:44

#	User	Length	Language	Date
1	Lars Åström	756	Python 2	2019-04-25 19:29:07
2	Andreas Björklund	762	Python 2	2020-10-06 19:57:22
3	Oskar Haarklou Veileborg	1006	Python 2	2019-07-24 13:25:32
4	Marcus Johansson	1272	Python 2	2016-08-07 11:57:02
5	Maj Stenmark	1416	Python 2	2020-10-13 22:33:25

#	User	Length	Language	Date
1	Nicholas Russell Saerang	478	Python 3	2024-05-27 02:20:00
2	Jeroen Op de Beek	669	Python 3	2024-09-23 03:14:36
3	Matthew Joseph Schallenkamp	907	Python 3	2025-03-04 20:45:57
4	Casper Rysgaard	1050	Python 3	2023-10-05 19:19:43
5	Måns Magnusson	1416	Python 3	2020-10-13 20:10:27
6	Jamie Simon	1610	Python 3	2025-03-04 20:48:11
7	Bas van Opheusden	1948	Python 3	2025-03-04 20:48:46

Solution running time distribution