Problem A
Trick and Treat — Problem Statistics

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Submissions	949
Accepted submissions	324
Submission ratio	34.14%
Authors	230
Accepted authors	155
Author ratio	67.39%

#	User	Score	Language	Date
1	Kota Nishizaki	200	C#	2020-11-01 01:59:00
2	Jakub Jarząbek	200	C#	2020-12-03 21:37:57
3	Henrik Hallbert	200	C#	2019-11-02 09:40:59

#	User	Score	Language	Date
1	Bjørn Dons	200	Go	2023-07-26 15:36:16

#	User	Score	Language	Date
1	Juan Miguel Vilar	200	Haskell	2021-01-06 10:00:29

#	User	Score	Language	Date
1	Crystal Sharpe	200	Java	2021-06-03 01:01:55
2	Erik Tegler	200	Java	2019-11-01 18:07:59
3	Liam Keliher	200	Java	2021-06-03 00:56:32
4	Martin Jakobsson	200	Java	2019-11-01 18:12:29
5	Doug Goodman	200	Java	2020-12-29 17:00:14
6	Joas Haunstrup	200	Java	2021-05-05 11:34:47
7	kuan noodle	200	Java	2021-05-13 02:36:39
8	Zach Tschetter	200	Java	2021-12-09 21:33:20
9	Bruno Chevalier	200	Java	2022-07-01 07:41:24
10	Hunter Mullen	200	Java	2025-03-02 20:12:19

#	User	Score	Language	Date
1	Markus Larsson	200	Kotlin	2019-11-01 18:42:57

#	User	Score	Language	Date
1	Jonatan Nilsson	200	Python 2	2019-11-01 18:28:05
2	Marika Rostvall	200	Python 2	2019-11-01 19:35:35
3	Måns Magnusson	200	Python 2	2019-11-01 18:17:44
4	Alfred Olsson	50	Python 2	2019-12-29 21:51:11
5	Maj Stenmark	50	Python 2	2019-11-01 19:28:32
6	Max Holmberg	50	Python 2	2019-11-01 18:23:02

#	User	Score	Language	Date
1	Jeremy Lim	200	Rust	2023-11-25 12:06:17
2	Joris Kerkhoff	200	Rust	2024-10-05 17:32:32
3	Daniel Anker Hermansen	200	Rust	2023-10-09 13:47:02

#	User	Runtime	Language	Date
1	Kota Nishizaki	0.03 s	C#	2020-11-01 01:59:00
2	Jakub Jarząbek	0.03 s	C#	2020-12-03 21:37:57
3	Henrik Hallbert	0.05 s	C#	2019-11-02 09:40:59

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C++	2020-11-26 16:21:44
2	Joshua Andersson	0.00 s	C++	2022-11-02 03:05:59
3	Kattis Speedrun (Chalmers)	0.00 s	C++	2023-09-23 01:04:33
4	Nils Gustafsson	0.01 s	C++	2019-11-01 18:08:28
5	Gustav Kalander	0.01 s	C++	2019-11-01 18:11:25
6	Alexander Kravberg	0.01 s	C++	2019-11-01 18:20:01
7	Erik Amirell Eklöf	0.01 s	C++	2019-11-01 18:20:13
8	Kristoffer Åhgren	0.01 s	C++	2019-11-01 18:24:11
9	Leopold Hermansson	0.01 s	C++	2019-11-01 18:26:24
10	Sam Zackrisson	0.01 s	C++	2019-11-01 18:27:41

#	User	Runtime	Language	Date
1	Bjørn Dons	0.03 s	Go	2023-07-26 15:36:16

#	User	Runtime	Language	Date
1	Juan Miguel Vilar	0.07 s	Haskell	2021-01-06 10:00:29

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.08 s	Java	2021-06-03 01:01:55
2	Erik Tegler	0.16 s	Java	2019-11-01 18:07:59
3	Liam Keliher	0.16 s	Java	2021-06-03 00:56:32
4	Martin Jakobsson	0.18 s	Java	2019-11-01 18:12:29
5	Doug Goodman	0.19 s	Java	2020-12-29 17:00:14
6	Joas Haunstrup	0.20 s	Java	2021-05-05 11:34:47
7	kuan noodle	0.20 s	Java	2021-05-13 02:36:39
8	Zach Tschetter	0.21 s	Java	2021-12-09 21:33:20
9	Bruno Chevalier	0.53 s	Java	2022-07-01 07:41:24
10	Hunter Mullen	0.60 s	Java	2025-03-02 20:12:19

#	User	Runtime	Language	Date
1	Markus Larsson	0.40 s	Kotlin	2019-11-01 18:42:57

#	User	Runtime	Language	Date
1	Jonatan Nilsson	0.05 s	Python 2	2019-11-01 18:28:05
2	Marika Rostvall	0.11 s	Python 2	2019-11-01 19:35:35
3	Måns Magnusson	0.12 s	Python 2	2019-11-01 18:17:44

#	User	Runtime	Language	Date
1	Thomas Draper	0.06 s	Python 3	2022-07-07 20:59:26
2	Nicholas Russell Saerang	0.06 s	Python 3	2025-01-31 18:37:21
3	Firman Syah	0.06 s	Python 3	2025-02-12 01:41:42
4	Viktor Bello Thomsen	0.07 s	Python 3	2020-11-20 15:42:05
5	Claudio Lucchese	0.07 s	Python 3	2020-12-01 07:19:14
6	Agnar Martin Bjørnstad	0.07 s	Python 3	2021-06-20 17:37:54
7	Sacha CERF	0.07 s	Python 3	2023-07-07 13:32:19
8	Harry Zhang	0.07 s	Python 3	2023-12-29 18:31:12
9	Guan Yang Ze	0.08 s	Python 3	2021-04-04 12:35:41
10	Haoming Lin	0.08 s	Python 3	2022-04-16 19:34:13

#	User	Runtime	Language	Date
1	Jeremy Lim	0.00 s	Rust	2023-11-25 12:06:17
2	Joris Kerkhoff	0.01 s	Rust	2024-10-05 17:32:32
3	Daniel Anker Hermansen	0.11 s	Rust	2023-10-09 13:47:02

#	User	Length	Language	Date
1	Henrik Hallbert	1289	C#	2019-11-02 09:40:59
2	Jakub Jarząbek	3146	C#	2020-12-03 21:37:57
3	Kota Nishizaki	6270	C#	2020-11-01 01:59:00

#	User	Length	Language	Date
1	Yeung Man Tsung	383	C++	2023-04-11 14:33:05
2	Markus Mathiasen	393	C++	2021-03-30 20:05:37
3	Erik Amirell Eklöf	472	C++	2019-11-01 18:20:13
4	Leonardo Gagliardoni	513	C++	2021-11-17 13:41:41
5	Jeremy Lim	556	C++	2023-12-21 18:32:55
6	Hidden user	559	C++	2020-11-26 16:20:44
7	Justin Chen	568	C++	2025-04-20 01:08:12
8	Lars Hummelgren	593	C++	2019-11-01 19:15:33
9	Dmitry Lyubshin	595	C++	2023-05-24 07:45:01
10	Hidden user	599	C++	2024-12-31 17:13:44

#	User	Length	Language	Date
1	Bjørn Dons	850	Go	2023-07-26 15:36:16

#	User	Length	Language	Date
1	Juan Miguel Vilar	3697	Haskell	2021-01-06 10:00:29

#	User	Length	Language	Date
1	Hunter Mullen	726	Java	2025-03-02 20:12:19
2	Zach Tschetter	874	Java	2021-12-09 21:33:20
3	Crystal Sharpe	880	Java	2021-06-03 00:26:26
4	Erik Tegler	926	Java	2019-11-01 18:07:59
5	Liam Keliher	1315	Java	2021-06-03 00:51:32
6	Bruno Chevalier	1508	Java	2022-07-01 07:41:24
7	Doug Goodman	2047	Java	2020-12-29 17:00:14
8	Martin Jakobsson	2394	Java	2019-11-01 18:12:29
9	Joas Haunstrup	2504	Java	2021-05-05 11:34:47
10	kuan noodle	4729	Java	2021-05-13 03:51:47

#	User	Length	Language	Date
1	Markus Larsson	1342	Kotlin	2019-11-01 18:42:57

#	User	Length	Language	Date
1	Jonatan Nilsson	308	Python 2	2019-11-01 18:28:05
2	Måns Magnusson	731	Python 2	2019-11-01 18:17:44
3	Marika Rostvall	916	Python 2	2019-11-01 19:35:35

#	User	Length	Language	Date
1	Nicholas Russell Saerang	129	Python 3	2025-01-31 18:37:21
2	Josh Taylor	160	Python 3	2024-05-31 05:06:50
3	Harry Zhang	190	Python 3	2023-12-29 18:41:09
4	Claudio Lucchese	256	Python 3	2020-12-01 07:19:14
5	Thore Husfeldt	258	Python 3	2019-11-01 20:04:12
6	Guan Yang Ze	270	Python 3	2021-04-04 12:35:41
7	Alex Loiko	274	Python 3	2019-11-01 19:22:52
8	Hidden user	288	Python 3	2019-11-01 21:36:02
9	alexandre dewilde	293	Python 3	2023-08-01 21:13:10
10	Thomas Draper	318	Python 3	2022-07-07 20:59:26

#	User	Length	Language	Date
1	Joris Kerkhoff	862	Rust	2024-10-05 17:32:32
2	Jeremy Lim	929	Rust	2023-11-25 12:06:17
3	Daniel Anker Hermansen	26864	Rust	2023-10-09 13:47:02

Solution running time distribution