Problem A
Plus Minus — Problem Statistics

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Submissions	429
Accepted submissions	130
Submission ratio	30.30%
Authors	101
Full solves [?]	85
Full solve Ratio	84.16%

#	User	Runtime	Language	Date
1	Emiel Duys	0.25 s	C#	2018-03-16 00:51:12

#	User	Runtime	Language	Date
1	Erik Sünderhauf	0.03 s	C++	2019-04-13 21:00:44
2	Mikita Siachko	0.04 s	C++	2017-07-04 10:20:13
3	Benjamin Qi	0.04 s	C++	2018-05-15 15:36:40
4	Phung Tien Minh	0.04 s	C++	2018-11-14 06:29:28
5	Donald Dong	0.04 s	C++	2019-03-09 19:58:51
6	Michael Reed	0.04 s	C++	2019-11-20 00:57:57
7	Nguyễn Minh Nhật	0.04 s	C++	2022-08-20 11:02:25
8	Hidden user	0.04 s	C++	2024-12-11 11:28:47
9	Hidden user	0.04 s	C++	2025-11-02 09:16:20
10	Alexander Skidanov	0.04 s	C++	2025-11-02 09:50:14

#	User	Runtime	Language	Date
1	Brent Yorgey	0.93 s	Haskell	2018-09-03 06:30:46

#	User	Runtime	Language	Date
1	Joost Linthorst	0.40 s	Java	2018-10-03 22:08:30
2	Martijn Muijsers	0.46 s	Java	2017-09-24 17:04:41
3	Doug Goodman	0.85 s	Java	2018-04-07 19:14:22

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.12 s	Python 2	2019-03-10 16:55:45
2	Samuel Holmin	0.54 s	Python 2	2019-05-12 23:42:56

#	User	Runtime	Language	Date
1	Nicholas Russell Saerang	0.13 s	Python 3	2025-02-16 10:45:29
2	Russell	0.13 s	Python 3	2025-09-22 05:00:13
3	Rob Hochberg	0.15 s	Python 3	2025-04-12 19:53:57
4	Hidden user	0.17 s	Python 3	2023-05-03 09:14:54
5	Andreas Björklund	0.21 s	Python 3	2023-02-06 20:17:02
6	Isaac Lee	0.22 s	Python 3	2022-06-27 00:34:30

#	User	Length	Language	Date
1	Emiel Duys	3708	C#	2018-03-16 00:51:12

#	User	Length	Language	Date
1	김현수	911	C++	2017-07-06 07:25:51
2	Lukas Michel	920	C++	2020-07-02 19:56:02
3	Adam Górkiewicz	1006	C++	2019-04-23 14:01:37
4	Tautvydas Jasiūnas	1063	C++	2017-12-25 19:26:57
5	Phạm Thắng	1123	C++	2018-05-06 11:48:43
6	Johan Wind	1138	C++	2018-11-17 17:36:24
7	Thanadol Chomphoochan	1163	C++	2018-08-26 18:19:38
8	Zigmas Bitinas	1198	C++	2017-10-14 16:33:24
9	Nguyễn Minh Tùng	1202	C++	2018-11-13 17:45:43
10	Michael Reed	1205	C++	2019-11-20 00:57:57

#	User	Length	Language	Date
1	Brent Yorgey	2847	Haskell	2018-09-03 06:30:46

#	User	Length	Language	Date
1	Doug Goodman	2758	Java	2018-04-07 19:14:22
2	Joost Linthorst	6095	Java	2018-10-03 22:08:30
3	Martijn Muijsers	6252	Java	2017-09-24 17:04:41

#	User	Length	Language	Date
1	Jesper Öqvist	966	Python 2	2019-03-10 16:55:45
2	Samuel Holmin	2498	Python 2	2019-05-12 23:42:56

#	User	Length	Language	Date
1	Nicholas Russell Saerang	433	Python 3	2025-02-16 10:45:48
2	Russell	458	Python 3	2025-09-22 05:00:13
3	Andreas Björklund	589	Python 3	2023-02-16 17:33:07
4	Isaac Lee	1272	Python 3	2022-06-27 00:34:30
5	Rob Hochberg	1892	Python 3	2025-04-11 22:42:53
6	Hidden user	5596	Python 3	2023-05-03 09:14:54

Solution running time distribution