Problem A
As Easy as CAB — Problem Statistics

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Submissions	2387
Accepted submissions	312
Submission ratio	13.07%
Authors	383
Full solves [?]	190
Full solve Ratio	49.61%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C	2018-08-12 20:59:12
2	Lin Lee	0.01 s	C	2019-12-08 14:48:30
3	Bergur Snorrason	0.01 s	C	2020-01-29 15:55:47
4	Ivan Petrov	0.40 s	C	2020-02-17 09:23:13

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.14 s	Haskell	2024-02-06 11:56:03

#	User	Runtime	Language	Date
1	David Brink	0.11 s	Java	2020-03-02 06:11:23
2	Logan Pipes	0.15 s	Java	2022-06-24 14:16:28
3	Liam Keliher	0.18 s	Java	2019-11-24 20:49:21
4	Bjørn Dons	0.19 s	Java	2019-04-20 23:47:07
5	Emily Ong Hui Qi	0.19 s	Java	2022-03-28 09:27:47
6	Doug Goodman	0.20 s	Java	2020-02-04 17:25:28
7	Andrew Polizzotto	0.20 s	Java	2020-08-30 22:55:20
8	Garrett Spears	0.21 s	Java	2023-02-10 06:30:17
9	Amon Al-khatib	0.22 s	Java	2021-09-01 07:59:13
10	Rene Argento	0.22 s	Java	2023-03-28 02:10:58

#	User	Runtime	Language	Date
1	Jesper Bech Christensen	0.36 s	Kotlin	2023-09-19 21:50:46

#	User	Runtime	Language	Date
1	Andreas Björklund	0.05 s	Python 2	2020-02-14 18:52:36
2	Jesper Öqvist	0.05 s	Python 2	2022-05-11 11:38:12
3	Kevin Tang	0.07 s	Python 2	2019-11-30 03:39:50
4	Eric Williamson	0.08 s	Python 2	2017-09-23 19:31:49

#	User	Runtime	Language	Date
1	Travis Meade	0.06 s	Python 3	2022-07-22 19:36:33
2	Mariann Lepsøy	0.06 s	Python 3	2024-02-05 21:27:19
3	Hidden user	0.06 s	Python 3	2025-03-07 11:06:42
4	Dylan	0.06 s	Python 3	2025-04-26 20:24:53
5	Dilhan Salgado	0.06 s	Python 3	2025-11-10 03:27:04
6	guobin zhao	0.06 s	Python 3	2026-02-03 16:17:22
7	Haoming Lin	0.07 s	Python 3	2022-01-04 19:58:26
8	Jakob Rødal Skaar	0.07 s	Python 3	2024-01-24 20:48:51
9	Hilde Jordal	0.07 s	Python 3	2024-01-30 17:43:29
10	Stian Kallevik	0.07 s	Python 3	2024-02-05 15:35:46

#	User	Runtime	Language	Date
1	Mathias Svensson	0.00 s	Rust	2020-05-09 12:49:11
2	Daniel Anker Hermansen	0.00 s	Rust	2023-04-03 12:24:13
3	Sebastian Refsnes	0.00 s	Rust	2024-02-01 16:36:20
4	gard heine kalland	0.00 s	Rust	2024-02-12 16:23:56

#	User	Length	Language	Date
1	Ivan Petrov	1724	C	2020-02-17 09:23:13
2	Lin Lee	2057	C	2019-12-08 14:48:30
3	Bergur Snorrason	2214	C	2020-01-29 15:55:47
4	Hidden user	2457	C	2018-08-12 20:59:12

#	User	Length	Language	Date
1	Peilin Zhong	1023	C++	2018-03-10 21:22:34
2	Alexander Skidanov	1107	C++	2025-03-04 11:24:41
3	Andreas Grigorjew	1161	C++	2020-05-21 00:31:16
4	이창수	1237	C++	2017-10-25 02:37:31
5	Árni Bjarnsteinsson	1292	C++	2020-03-02 09:25:37
6	Haoming Lin	1318	C++	2022-01-05 19:20:57
7	Antonio Molina Lovett	1394	C++	2017-09-23 19:49:25
8	Johan Wind	1401	C++	2025-09-24 10:56:00
9	Gabriel Goh Kheng Lin	1415	C++	2018-05-29 10:36:48
10	Modak Shantanu Bharat	1420	C++	2020-12-16 04:56:35

#	User	Length	Language	Date
1	Steinar Simonnes	4027	Haskell	2024-02-06 11:56:03

#	User	Length	Language	Date
1	Alex Coleman	1257	Java	2021-09-01 07:33:03
2	Logan Pipes	1998	Java	2022-06-24 14:16:28
3	Lee John	2739	Java	2019-12-21 07:16:20
4	Alex Servin	2774	Java	2017-09-23 21:52:48
5	Nick Wu	2818	Java	2017-09-19 23:24:26
6	Arup Ratan Guha	2866	Java	2021-02-16 18:31:44
7	Andrew Polizzotto	2934	Java	2020-08-30 22:55:20
8	Brent Yorgey	3167	Java	2020-01-05 22:17:56
9	Jaycent Sarion	3343	Java	2023-08-02 10:26:26
10	Ivey Jane Bon	3343	Java	2023-08-16 04:43:23

#	User	Length	Language	Date
1	Jesper Bech Christensen	1210	Kotlin	2023-09-19 22:05:48

#	User	Length	Language	Date
1	Andreas Björklund	871	Python 2	2020-02-14 18:52:36
2	Jesper Öqvist	1273	Python 2	2022-05-11 11:38:12
3	Kevin Tang	1274	Python 2	2019-11-30 03:40:30
4	Eric Williamson	1966	Python 2	2017-09-23 19:31:49

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	811	Python 3	2020-03-02 14:01:38
2	Hidden user	863	Python 3	2020-10-09 16:52:31
3	Dilhan Salgado	871	Python 3	2025-11-10 03:27:04
4	Travis Meade	1036	Python 3	2022-07-22 19:36:33
5	Greg Hamerly	1046	Python 3	2019-11-25 23:15:16
6	Qianlang Chen	1058	Python 3	2021-02-22 04:22:15
7	Lionel KITIHOUN	1154	Python 3	2021-07-01 15:28:35
8	Hidden user	1160	Python 3	2025-03-07 21:18:36
9	Franklin Zhang	1215	Python 3	2025-11-10 03:12:25
10	Haoming Lin	1218	Python 3	2022-01-04 19:58:26

#	User	Length	Language	Date
1	Mathias Svensson	1953	Rust	2020-05-09 13:09:32
2	gard heine kalland	2584	Rust	2024-03-26 13:42:08
3	Sebastian Refsnes	7788	Rust	2024-02-01 16:36:20
4	Daniel Anker Hermansen	24959	Rust	2023-04-03 12:24:13

Solution running time distribution