Problem A
Piece of Cake — Problem Statistics

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Submissions	1000
Accepted submissions	212
Submission ratio	21.20%
Authors	400
Full solves [?]	169
Full solve Ratio	42.25%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.03 s	C	2019-03-07 11:26:40

#	User	Runtime	Language	Date
1	Tấn Phát Trần	0.01 s	C++	2019-03-03 14:33:31
2	Minh Nguyen	0.01 s	C++	2019-03-03 20:07:52
3	Jonathan Alexander Carrillo Cortes	0.01 s	C++	2019-04-15 05:47:05
4	Saujas Nandi	0.01 s	C++	2019-09-05 05:44:38
5	Victor Chen	0.01 s	C++	2019-12-29 01:48:30
6	Andy Shih	0.01 s	C++	2020-02-12 04:04:59
7	Tyler Marks	0.01 s	C++	2022-10-12 02:06:12
8	Cameron Custer	0.01 s	C++	2022-10-12 07:33:43
9	Jerry Xu	0.01 s	C++	2023-12-03 00:34:21
10	Kangning Wang	0.02 s	C++	2019-03-02 20:38:44

#	User	Runtime	Language	Date
1	Andrew Polizzotto	0.21 s	Java	2020-08-17 10:29:15
2	Zihan Wang	0.22 s	Java	2019-03-03 02:48:21
3	Benjamin Reidys	0.29 s	Java	2019-03-05 01:56:47
4	Rf Schmiermann	0.29 s	Java	2019-09-20 12:15:48
5	Corwin de Boor	0.32 s	Java	2019-03-02 20:31:31
6	Hidden user	0.34 s	Java	2019-03-02 20:49:54
7	Anthony Pagnotta	0.42 s	Java	2024-11-01 04:51:49
8	William Quiroga	0.43 s	Java	2019-03-04 00:43:50
9	Arup Ratan Guha	0.43 s	Java	2020-11-26 22:14:53
10	Daniel West	0.44 s	Java	2019-03-03 01:21:24

#	User	Runtime	Language	Date
1	Danny Sleator	0.19 s	OCaml	2019-03-02 15:46:09

#	User	Runtime	Language	Date
1	Andreas Björklund	0.13 s	Python 2	2021-06-13 20:10:17
2	Chinmay Viraj Raut	0.17 s	Python 2	2019-03-04 20:46:42
3	Godmar Back	0.32 s	Python 2	2019-03-03 16:42:30
4	Megazord Capes	1.72 s	Python 2	2019-03-23 22:29:32

#	User	Runtime	Language	Date
1	Duoduo Zhao	0.17 s	Python 3	2025-08-29 07:07:44
2	Chris Kopp	0.23 s	Python 3	2024-04-17 03:59:58
3	Yosuke Mizutani	0.30 s	Python 3	2020-02-22 04:41:49
4	Erick Ross	0.31 s	Python 3	2020-11-05 22:48:34
5	Kashf Bashir	0.54 s	Python 3	2024-12-24 16:28:01
6	Hidden user	0.57 s	Python 3	2023-09-12 08:57:49
7	Baqer Adnan	0.58 s	Python 3	2023-12-08 14:33:22
8	Jeremy Lim	0.61 s	Python 3	2023-12-07 21:56:46
9	Isaac Lee	0.83 s	Python 3	2019-11-03 07:19:05
10	Bjørn Dons	1.78 s	Python 3	2023-09-12 10:11:44

#	User	Length	Language	Date
1	Ivan Petrov	980	C	2019-03-07 11:26:40

#	User	Length	Language	Date
1	Yen-Hsiang Chang	609	C++	2019-03-03 05:53:44
2	Hidden user	622	C++	2020-10-24 15:18:29
3	Phuong Tran	634	C++	2021-03-21 23:19:22
4	Jonathan Alexander Carrillo Cortes	642	C++	2019-04-15 05:47:05
5	SeungJe Jung	664	C++	2019-03-02 20:42:22
6	Dewita Sonya Tarabunga	674	C++	2019-03-02 23:14:32
7	Allen Oris	674	C++	2019-05-12 14:03:06
8	Heehyun Park	706	C++	2019-10-02 01:56:32
9	Kevin Sun	708	C++	2019-03-02 19:13:01
10	Chinmay Viraj Raut	715	C++	2019-03-04 20:08:17

#	User	Length	Language	Date
1	Arup Ratan Guha	1311	Java	2020-11-26 22:14:53
2	Rf Schmiermann	1321	Java	2019-09-20 12:15:48
3	Andrew Polizzotto	1406	Java	2020-08-17 10:29:15
4	Daniel West	1467	Java	2019-03-03 01:21:24
5	Harokou Jishou	1489	Java	2024-08-05 11:59:23
6	Hidden user	1587	Java	2019-03-02 20:49:54
7	Jacob Magnuson	1650	Java	2019-03-02 20:31:18
8	Anthony Pagnotta	1920	Java	2024-11-01 04:51:49
9	Samuel Reinehr	2072	Java	2019-03-02 21:34:18
10	Hidden user	2089	Java	2020-06-06 20:14:42

#	User	Length	Language	Date
1	Danny Sleator	2187	OCaml	2019-03-02 15:46:09

#	User	Length	Language	Date
1	Andreas Björklund	447	Python 2	2021-06-13 20:10:17
2	Chinmay Viraj Raut	571	Python 2	2019-03-04 20:46:42
3	Godmar Back	662	Python 2	2019-03-08 23:21:25
4	Megazord Capes	875	Python 2	2019-03-23 22:29:32

#	User	Length	Language	Date
1	Chris Kopp	411	Python 3	2024-04-17 03:59:58
2	Hidden user	563	Python 3	2023-09-12 08:56:25
3	Jeremy Lim	619	Python 3	2023-12-07 21:56:46
4	Erick Ross	625	Python 3	2020-11-17 23:28:01
5	Yosuke Mizutani	671	Python 3	2020-02-22 04:41:49
6	Bjørn Dons	853	Python 3	2023-09-12 10:11:44
7	Baqer Adnan	1257	Python 3	2023-12-08 14:33:22
8	Kashf Bashir	1282	Python 3	2024-12-24 16:28:01
9	Isaac Lee	1409	Python 3	2019-11-03 07:19:05
10	Duoduo Zhao	1995	Python 3	2025-08-29 07:07:44

Solution running time distribution