Problem D
Doorman

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Problem statistics

Submissions	104
Accepted submissions	49
Submission ratio	47.12%
Authors	31
Accepted authors	30
Author ratio	96.77%

#	User	Runtime	Date
1	Bengt Ericsson	0.05 s	2013-10-03 23:32:11
2	Lasse Berglund	0.05 s	2014-03-01 15:16:36
3	The Phuong Phung	0.05 s	2014-03-31 11:44:46
4	Hidden user	0.07 s	2017-09-30 11:36:30
5	Oskari Lehti	0.07 s	2017-09-30 12:08:19

#	User	Runtime	Date
1	Asger Hautop Drewsen	0.02 s	2017-09-30 11:25:36
2	Urban Pettersson	0.03 s	2016-02-13 14:13:10

#	User	Runtime	Date
1	Xincheng Zhang	0.02 s	2014-09-20 19:28:55
2	Anton Älgmyr	0.02 s	2017-09-30 11:59:22
3	Mads Svejstrup	0.02 s	2017-09-30 12:02:42
4	Hidden user	0.02 s	2017-09-30 12:07:52
5	Teemu Pudas	0.02 s	2017-09-30 14:53:25
6	John Brynte Turesson	0.05 s	2020-01-21 20:27:54
7	Viktor Wase	0.05 s	2020-01-25 11:54:08
8	Jiewen Liu	0.05 s	2021-02-15 16:47:42

#	User	Length	Date
1	Ke Bi	313	2017-09-30 11:33:09
2	Olli Pasanen	317	2017-09-30 11:42:51
3	Qianyun Guo	387	2017-09-30 11:38:55
4	Hidden user	725	2020-01-22 00:03:01
5	Sami Salonen	764	2017-09-30 11:35:38
6	Marco Lopez	885	2017-09-30 11:49:30
7	Isaac Arvestad	947	2019-11-10 10:23:05
8	Matteo Poletti	961	2014-09-28 10:43:17
9	Pietari Kaskela	1016	2017-09-30 11:35:05
10	Arnar Bjarni Arnarson	1033	2017-09-30 11:13:42

#	User	Length	Date
1	Oskari Lehti	1050	2017-09-30 12:08:19
2	Hidden user	1103	2017-09-30 11:36:30
3	Bengt Ericsson	2020	2013-10-03 23:32:11
4	The Phuong Phung	3247	2014-03-31 11:44:46
5	Lasse Berglund	3321	2014-03-01 15:16:36

#	User	Length	Date
1	Asger Hautop Drewsen	506	2017-09-30 11:25:36
2	Urban Pettersson	656	2016-02-13 14:13:10

#	User	Length	Date
1	Xincheng Zhang	548	2014-09-20 19:28:55
2	John Brynte Turesson	619	2020-01-21 22:29:15
3	Teemu Pudas	642	2017-09-30 14:53:25
4	Mads Svejstrup	767	2017-09-30 12:02:42
5	Anton Älgmyr	806	2017-09-30 11:59:22
6	Hidden user	866	2017-09-30 12:07:52
7	Viktor Wase	1088	2020-01-25 11:54:08
8	Jiewen Liu	1163	2021-02-15 16:47:42

Solution running time distribution