Problem A
Aa — Problem Statistics

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Submissions	768
Accepted submissions	332
Submission ratio	43.23%
Authors	219
Full solves [?]	75
Full solve Ratio	34.25%

#	User	Score	Language	Date
1	Troels Bjerre Lund	60	C	2021-08-26 12:49:17

#	User	Score	Language	Date
1	Jens Erik	5	C#	2025-11-19 01:00:58

#	User	Score	Language	Date
1	Juan Miguel Vilar	60	Haskell	2023-09-01 16:21:48

#	User	Score	Language	Date
1	Robert Åkemalm	60	Java	2023-11-13 12:38:23
2	Jonatan Wulcan	25	Java	2023-11-22 20:44:47
3	Doug Goodman	5	Java	2021-09-23 21:29:31
4	Hidden user	5	Java	2022-09-09 18:59:05
5	Evan Magill	5	Java	2022-11-18 19:51:30
6	MADHIHA NISHAD Z	5	Java	2025-03-29 01:08:00

#	User	Score	Language	Date
1	Christian Pilegaard Cederquist	60	JavaScript (SpiderMonkey)	2023-03-03 06:31:54

#	User	Score	Language	Date
1	Jacob Huebner	60	Kotlin	2022-02-01 19:23:30

#	User	Score	Language	Date
1	Andreas Björklund	60	Python 2	2022-02-13 13:19:00
2	Sivasankaran D	5	Python 2	2025-09-08 03:40:28

#	User	Score	Language	Date
1	Alice Ryhl	60	Rust	2022-09-09 17:05:10
2	Francesco Vercellesi	60	Rust	2023-04-11 16:12:04
3	Daniel Anker Hermansen	60	Rust	2023-09-23 12:02:27
4	Nicolas Magee	5	Rust	2023-08-30 16:58:59

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.03 s	C	2021-08-26 12:49:17

#	User	Runtime	Language	Date
1	Bernard Teo	0.02 s	C++	2021-10-01 20:39:01
2	Ron Ryvchin	0.02 s	C++	2023-01-20 15:52:22
3	David Lolck	0.03 s	C++	2021-09-10 17:30:01
4	Elias Lolck	0.03 s	C++	2022-09-09 16:55:15
5	Mårten Wiman	0.04 s	C++	2021-08-15 09:33:33
6	George-Alex Dumitrescu	0.04 s	C++	2022-10-29 13:53:18
7	Innokentiy Kaurov	0.04 s	C++	2023-06-03 15:10:28
8	Stanislav Brega	0.04 s	C++	2024-05-25 10:39:12
9	Julian Hessenberger	0.04 s	C++	2025-02-01 14:21:04
10	Simon Lindholm	0.05 s	C++	2021-08-15 00:35:50

#	User	Runtime	Language	Date
1	Juan Miguel Vilar	0.52 s	Haskell	2023-09-01 16:21:48

#	User	Runtime	Language	Date
1	Robert Åkemalm	0.41 s	Java	2023-11-13 15:08:25

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.51 s	JavaScript (SpiderMonkey)	2023-03-03 06:31:54

#	User	Runtime	Language	Date
1	Jacob Huebner	0.41 s	Kotlin	2022-02-01 19:23:30

#	User	Runtime	Language	Date
1	Andreas Björklund	0.72 s	Python 2	2022-02-13 13:19:00

#	User	Runtime	Language	Date
1	Hidden user	0.20 s	Python 3	2023-04-12 22:09:48
2	Troels Bjerre Lund	0.21 s	Python 3	2021-08-26 11:36:08
3	Thore Husfeldt	0.21 s	Python 3	2021-08-27 08:19:09
4	Oskar Haarklou Veileborg	0.24 s	Python 3	2021-08-25 21:52:57
5	Simon Ljungbeck	0.27 s	Python 3	2023-08-11 20:18:50
6	Dilhan Salgado	0.29 s	Python 3	2025-10-15 00:07:27
7	David Moews	0.34 s	Python 3	2023-05-18 23:21:43
8	Loke Gustafsson	0.35 s	Python 3	2021-08-15 11:32:06
9	Tony Kwan	0.35 s	Python 3	2022-07-27 16:44:15
10	Isaac Lee	0.39 s	Python 3	2021-08-19 02:34:39

#	User	Runtime	Language	Date
1	Alice Ryhl	0.04 s	Rust	2022-09-09 17:05:10
2	Francesco Vercellesi	0.05 s	Rust	2023-04-11 16:12:04
3	Daniel Anker Hermansen	0.11 s	Rust	2023-09-23 12:02:27

#	User	Length	Language	Date
1	Troels Bjerre Lund	1569	C	2021-08-26 12:49:17

#	User	Length	Language	Date
1	Yeung Man Tsung	780	C++	2022-11-30 14:13:21
2	Elias Lolck	953	C++	2022-09-09 16:55:15
3	Alexander Skovsende	977	C++	2022-09-09 17:04:23
4	Erik Amirell Eklöf	1228	C++	2021-08-15 09:56:05
5	Evan Michael Bailey	1246	C++	2023-06-15 05:58:05
6	Julian Hessenberger	1260	C++	2025-02-01 14:21:04
7	Ron Ryvchin	1271	C++	2023-01-20 15:52:50
8	Innokentiy Kaurov	1326	C++	2023-06-03 15:10:28
9	David Wärn	1342	C++	2021-08-15 10:23:11
10	Mattis Lööv	1460	C++	2021-08-15 09:52:05

#	User	Length	Language	Date
1	Juan Miguel Vilar	977	Haskell	2023-09-01 16:21:48

#	User	Length	Language	Date
1	Robert Åkemalm	2831	Java	2023-11-13 15:08:25

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	3101	JavaScript (SpiderMonkey)	2023-03-03 06:31:54

#	User	Length	Language	Date
1	Jacob Huebner	2359	Kotlin	2022-02-01 19:23:30

#	User	Length	Language	Date
1	Andreas Björklund	1202	Python 2	2022-02-13 13:19:00

#	User	Length	Language	Date
1	David Llorens	466	Python 3	2024-05-03 12:04:42
2	David Moews	563	Python 3	2023-05-18 23:39:14
3	Thore Husfeldt	841	Python 3	2021-08-26 09:59:32
4	Tony Kwan	881	Python 3	2022-07-27 16:44:15
5	Troels Bjerre Lund	900	Python 3	2021-08-26 11:36:08
6	Oskar Haarklou Veileborg	1056	Python 3	2021-08-25 21:52:57
7	Adam Benali	1165	Python 3	2021-08-15 15:33:42
8	Dilhan Salgado	1282	Python 3	2025-10-15 00:07:27
9	Simon Ljungbeck	1383	Python 3	2023-08-11 20:18:50
10	Isaac Lee	1485	Python 3	2021-08-19 02:34:39

#	User	Length	Language	Date
1	Francesco Vercellesi	1782	Rust	2023-04-11 16:14:01
2	Alice Ryhl	2589	Rust	2022-09-09 17:05:10
3	Daniel Anker Hermansen	28185	Rust	2023-09-23 12:02:27

Solution running time distribution