Problem I
All Friends — Problem Statistics

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Submissions	1485
Accepted submissions	278
Submission ratio	18.72%
Authors	247
Full solves [?]	128
Full solve Ratio	51.82%

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.03 s	C	2018-07-28 13:26:44
2	Henning Koehler	0.04 s	C	2016-05-02 01:13:12
3	Andy Huang	0.04 s	C	2017-10-11 07:45:07
4	Ivan Petrov	0.04 s	C	2019-04-30 07:34:57
5	Chengyu Lin	0.04 s	C	2019-09-14 17:55:08
6	Marcus Larsson	0.05 s	C	2013-03-28 13:58:13

#	User	Runtime	Language	Date
1	Sergio Vieri	0.00 s	C++	2018-02-14 05:22:55
2	Carl Frendin	0.01 s	C++	2014-04-02 16:34:43
3	Hidden user	0.01 s	C++	2015-01-14 18:27:33
4	Xi Lin	0.01 s	C++	2015-06-15 13:02:43
5	Syx Pek	0.01 s	C++	2016-03-07 07:21:26
6	Lin Lee	0.01 s	C++	2017-05-06 12:27:26
7	高宇	0.01 s	C++	2018-09-14 03:40:26
8	Bohao Sun	0.01 s	C++	2018-09-23 05:19:15
9	Antoni Guz	0.01 s	C++	2018-10-22 19:00:26
10	SiBi	0.01 s	C++	2019-02-19 04:56:35

#	User	Runtime	Language	Date
1	Simon Klein	0.19 s	Java	2013-03-13 07:55:32
2	Axel Lewenhaupt	0.30 s	Java	2013-03-14 19:44:13
3	Håkan Warnquist	0.30 s	Java	2013-03-19 15:30:31
4	Tobias Andersson	0.30 s	Java	2014-04-02 15:09:39
5	Hà Minh Ngọc	0.38 s	Java	2016-06-28 18:22:06
6	Erik Odenman	0.40 s	Java	2013-04-07 13:32:29
7	Michael Sullivan	0.45 s	Java	2015-10-13 16:50:41
8	Erik Thormarker	0.51 s	Java	2015-06-04 08:01:52
9	Lars Hummelgren	0.61 s	Java	2016-02-28 08:59:50
10	Martin Berntsson	0.67 s	Java	2013-04-10 10:44:30

#	User	Runtime	Language	Date
1	Andreas Björklund	0.65 s	Python 2	2018-12-09 20:56:17

#	User	Runtime	Language	Date
1	Kadriye Yildiz	0.26 s	Python 3	2024-08-22 20:47:47
2	Jonas Nockert	0.50 s	Python 3	2015-11-05 12:18:43

#	User	Length	Language	Date
1	Jesper Öqvist	2325	C	2018-07-28 13:26:44
2	Ivan Petrov	3065	C	2019-04-30 07:34:57
3	Andy Huang	3311	C	2017-10-11 07:45:07
4	Chengyu Lin	3311	C	2019-09-14 17:55:08
5	Henning Koehler	3368	C	2016-05-02 01:13:12
6	Marcus Larsson	3481	C	2013-03-28 13:58:13

#	User	Length	Language	Date
1	Sergio Vieri	685	C++	2018-02-14 05:22:55
2	Johan Wind	757	C++	2019-04-29 18:58:19
3	Rezwan Arefin	899	C++	2022-03-15 13:26:17
4	Magnus Hegdahl	909	C++	2021-09-07 22:32:07
5	Siyong Huang	933	C++	2019-04-15 02:37:36
6	Brandon Zhang	958	C++	2020-08-28 05:13:13
7	Zac Friggstad	972	C++	2022-02-03 21:05:47
8	Oskar Haarklou Veileborg	989	C++	2020-06-02 13:01:35
9	Hidden user	1015	C++	2020-07-11 16:14:26
10	Jordi Rodríguez Manso	1040	C++	2018-08-29 10:18:09

#	User	Length	Language	Date
1	Axel Lewenhaupt	3668	Java	2013-03-14 19:44:13
2	Simon Klein	3676	Java	2013-03-13 08:02:29
3	Hà Minh Ngọc	3743	Java	2016-06-28 18:13:30
4	Erik Odenman	3815	Java	2013-04-07 13:32:29
5	Olav Røthe Bakken	3994	Java	2018-06-07 10:57:53
6	Johan Stenberg	4724	Java	2014-03-25 14:22:46
7	Håkan Warnquist	4881	Java	2013-03-19 15:30:31
8	Erik Thormarker	4940	Java	2015-06-03 21:08:36
9	Tobias Andersson	5132	Java	2014-04-02 15:09:39
10	Lars Hummelgren	5156	Java	2016-02-28 08:59:50

#	User	Length	Language	Date
1	Andreas Björklund	1626	Python 2	2018-12-09 20:56:17

#	User	Length	Language	Date
1	Kadriye Yildiz	1865	Python 3	2024-08-22 20:47:47
2	Jonas Nockert	2597	Python 3	2015-11-05 12:18:43

Solution running time distribution