Problem A
Constrained Freedom of Choice — Problem Statistics

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Submissions	500
Accepted submissions	182
Submission ratio	36.40%
Authors	166
Full solves [?]	134
Full solve Ratio	80.72%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-10-26 14:12:43

#	User	Runtime	Language	Date
1	Erlend Fonnes	0.09 s	Go	2021-02-15 11:57:36

#	User	Runtime	Language	Date
1	Nick Wu	0.08 s	Java	2016-06-19 22:06:16
2	Martijn Muijsers	0.08 s	Java	2017-05-15 03:55:17
3	Finn Lidbetter	0.10 s	Java	2017-08-13 14:05:50
4	Marie Natland Berg	0.10 s	Java	2021-03-02 14:25:31
5	Roger Ballard	0.11 s	Java	2015-08-28 23:19:05
6	Brent Yorgey	0.11 s	Java	2018-12-14 04:21:20
7	Simen Carstensen	0.11 s	Java	2021-02-17 15:07:54
8	Eivind Skrede	0.11 s	Java	2021-02-28 13:18:31
9	Jonas Valen	0.11 s	Java	2021-03-03 09:35:09
10	Brage Alvsvåg	0.13 s	Java	2021-03-04 01:14:38

#	User	Runtime	Language	Date
1	Neal Zane	0.10 s	Python 2	2016-07-31 04:47:08
2	Erik Odenman	0.11 s	Python 2	2015-05-12 18:58:54
3	Kuan Wei Heng	0.11 s	Python 2	2018-04-01 08:54:22

#	User	Runtime	Language	Date
1	Cian Ruane	0.04 s	Python 3	2018-03-16 12:19:52
2	Andreja Lapajne	0.04 s	Python 3	2019-06-14 10:07:29
3	Minh Phan Duc Nhat	0.05 s	Python 3	2018-02-08 08:54:55
4	Ryan Tan	0.09 s	Python 3	2025-03-10 16:29:21
5	Paco Criado	0.10 s	Python 3	2025-02-18 00:05:35
6	Haakon Benning	0.12 s	Python 3	2021-02-27 12:14:24
7	Øyvind Johannessen	0.12 s	Python 3	2021-03-03 14:04:36
8	Øyvind Almli	0.12 s	Python 3	2021-03-03 14:27:26
9	Nicholas Russell Saerang	0.12 s	Python 3	2024-06-09 09:26:55
10	Hrant Hovhannisyan	0.12 s	Python 3	2025-12-24 09:18:46

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Swift	2023-10-05 14:32:20

#	User	Length	Language	Date
1	Bergur Snorrason	2331	C	2019-10-26 14:12:43

#	User	Length	Language	Date
1	William Gan	563	C++	2017-12-19 10:07:35
2	Pakorn Ueareeworakul	705	C++	2018-02-08 05:52:21
3	Johan Wind	745	C++	2018-11-27 17:28:11
4	Atli Fannar Franklín	777	C++	2023-06-22 13:32:06
5	Sidhant Bansal	836	C++	2018-02-09 03:37:32
6	Brandon Zhang	919	C++	2023-11-25 09:18:13
7	Sergio Vieri	926	C++	2018-02-08 01:52:57
8	Teikn Smith	932	C++	2023-04-13 02:13:11
9	Hidden user	943	C++	2018-12-15 08:53:48
10	Jiang Yue	974	C++	2018-02-09 08:41:14

#	User	Length	Language	Date
1	Erlend Fonnes	1952	Go	2021-02-15 11:57:36

#	User	Length	Language	Date
1	Doug Goodman	912	Java	2018-07-16 21:18:50
2	Hidden user	1282	Java	2017-05-29 15:49:55
3	Dominic Reed	1451	Java	2021-11-14 01:28:29
4	Martijn Muijsers	1707	Java	2017-05-15 03:55:17
5	Roger Ballard	1774	Java	2015-08-28 23:19:05
6	Finn Lidbetter	2107	Java	2017-08-13 14:05:50
7	Brigt Arve Toppe Håvardstun	2510	Java	2021-02-15 11:27:29
8	Nick Wu	2611	Java	2016-06-19 22:06:16
9	Morten Kristiansen	3216	Java	2021-03-04 07:43:56
10	Brage Alvsvåg	3912	Java	2021-03-04 01:14:38

#	User	Length	Language	Date
1	Neal Zane	670	Python 2	2016-07-31 04:47:08
2	Kuan Wei Heng	703	Python 2	2018-04-01 08:54:22
3	Erik Odenman	773	Python 2	2015-05-12 18:58:54

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	456	Python 3	2020-02-06 21:47:12
2	Joakim Sunde	544	Python 3	2021-01-13 00:30:45
3	Nicholas Russell Saerang	600	Python 3	2024-06-09 09:26:55
4	Robert Nix	621	Python 3	2024-10-30 16:07:35
5	Lennart Meyling	662	Python 3	2023-10-13 14:57:56
6	Hrant Hovhannisyan	672	Python 3	2025-12-24 09:18:46
7	Minh Phan Duc Nhat	712	Python 3	2018-02-08 08:54:55
8	Chinagorom Mbaraonye	807	Python 3	2020-01-29 17:03:12
9	Haakon Benning	894	Python 3	2021-02-27 12:14:24
10	Ryan Tan	894	Python 3	2025-03-10 16:29:21

#	User	Length	Language	Date
1	Hidden user	1458	Swift	2023-10-05 14:32:20

Solution running time distribution