Problem A
Cat And Mouse — Problem Statistics

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Submissions	1199
Accepted submissions	203
Submission ratio	16.93%
Authors	217
Full solves [?]	112
Full solve Ratio	51.61%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-04-26 09:45:28
2	Chenzhang Hu	0.03 s	Bash	2023-09-28 18:56:50

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2019-04-15 10:55:35
2	Eyleifur Bjarkason	0.00 s	C	2019-11-21 14:43:07
3	Bergur Snorrason	0.00 s	C	2019-11-21 14:56:49

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2021-12-12 23:52:19

#	User	Runtime	Language	Date
1	Matthew Craven	0.00 s	Haskell	2018-11-02 16:49:49

#	User	Runtime	Language	Date
1	Nick Wu	0.05 s	Java	2015-11-15 03:59:27
2	Sam Reinehr	0.05 s	Java	2018-09-24 03:21:14
3	Michael Sullivan	0.06 s	Java	2015-09-21 00:44:05
4	Finn Lidbetter	0.06 s	Java	2017-07-06 01:23:53
5	Bjørn Dons	0.06 s	Java	2023-01-15 14:08:16
6	Hidden user	0.06 s	Java	2023-11-28 17:43:05
7	Frederick Pek	0.07 s	Java	2021-03-17 15:02:28
8	Hidden user	0.07 s	Java	2022-05-07 17:27:24
9	Doug Goodman	0.09 s	Java	2015-12-30 21:17:15
10	Kurtis Van Gent	0.09 s	Java	2015-12-31 03:13:55

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-10 06:56:12

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 2	2017-04-14 15:52:23
2	Christofer Ohlsson	0.03 s	Python 2	2015-04-25 20:54:39
3	Helge Rustad	0.03 s	Python 2	2015-04-26 20:13:13
4	Sigurður Jens Albertsson	0.03 s	Python 2	2017-11-29 19:15:28
5	Andreas Björklund	0.03 s	Python 2	2019-05-12 10:14:44
6	Johan Lyts	0.03 s	Python 2	2020-08-17 15:56:32

#	User	Runtime	Language	Date
1	Nils Gustafsson	0.02 s	Python 3	2015-04-25 12:20:21
2	Andrew He	0.02 s	Python 3	2016-08-11 18:15:16
3	Zhang Bin	0.02 s	Python 3	2018-08-19 10:27:10
4	Julia Persson	0.02 s	Python 3	2019-06-06 16:34:47
5	Rahul P	0.02 s	Python 3	2019-06-16 04:13:27
6	Bryan Juniano	0.04 s	Python 3	2025-05-06 19:36:28
7	Nicholas Russell Saerang	0.04 s	Python 3	2025-06-05 11:46:15
8	Hrant Hovhannisyan	0.04 s	Python 3	2025-06-06 11:41:51
9	Isaac Lee	0.05 s	Python 3	2020-02-23 02:56:36
10	Hidden user	0.05 s	Python 3	2020-03-02 12:38:14

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-02-08 10:43:28
2	Chenzhang Hu	0.12 s	Ruby	2025-09-22 18:49:24

#	User	Length	Language	Date
1	Thomas Feld	42	Bash	2023-04-26 09:45:28
2	Chenzhang Hu	51	Bash	2025-09-13 04:27:08

#	User	Length	Language	Date
1	Hidden user	1379	C	2019-04-15 10:55:35
2	Bergur Snorrason	1660	C	2019-11-21 14:56:49
3	Eyleifur Bjarkason	5419	C	2019-11-21 14:43:07

#	User	Length	Language	Date
1	Li Yao'an	175	C++	2017-03-04 13:55:57
2	YanHao Ling	205	C++	2018-06-23 13:29:25
3	Nick Bakkegaard	235	C++	2015-10-19 13:57:41
4	Mikhail Ivkov	237	C++	2025-06-07 05:07:04
5	Gerth Stølting Brodal	244	C++	2015-04-28 10:27:39
6	Antonio Molina Lovett	258	C++	2016-12-12 05:23:42
7	Atli Fannar Franklín	286	C++	2019-11-21 14:15:44
8	Syx Pek	293	C++	2019-05-29 03:12:13
9	Christian Yongwhan Lim	325	C++	2023-05-25 03:14:17
10	Johan Sannemo	327	C++	2015-04-26 22:38:20

#	User	Length	Language	Date
1	Norbert Voelker	1366	Go	2021-12-12 23:52:19

#	User	Length	Language	Date
1	Matthew Craven	313	Haskell	2018-11-02 16:49:49

#	User	Length	Language	Date
1	Majeed Thaika	358	Java	2016-09-16 06:33:29
2	Brian Wang	525	Java	2022-02-05 00:38:28
3	Malte Larsson	609	Java	2021-06-03 22:21:43
4	Mehmet Yeşilyurt	632	Java	2021-09-28 11:48:30
5	Peter Stauder	633	Java	2023-04-09 14:38:34
6	Nikita Devy Haryono	642	Java	2017-11-27 11:42:02
7	Florian Sabani	649	Java	2021-10-16 22:38:43
8	Alireza Azimi	653	Java	2019-10-02 05:41:41
9	venkata sairam karthik	653	Java	2022-04-09 19:30:22
10	Venkata Indu Bhanu Pothineni	653	Java	2022-04-30 03:44:14

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	78	JavaScript (SpiderMonkey)	2023-02-10 06:58:31

#	User	Length	Language	Date
1	Hidden user	149	Python 2	2017-04-14 15:52:23
2	Sigurður Jens Albertsson	157	Python 2	2017-11-29 19:15:28
3	Andreas Björklund	172	Python 2	2019-05-12 10:14:44
4	Christofer Ohlsson	286	Python 2	2015-04-25 20:54:39
5	Johan Lyts	327	Python 2	2020-08-17 15:56:32
6	Helge Rustad	1490	Python 2	2015-04-26 20:13:13

#	User	Length	Language	Date
1	Nicholas Russell Saerang	82	Python 3	2025-06-05 11:46:15
2	Lee Isaac	89	Python 3	2023-03-27 17:57:21
3	Paul Swingle	99	Python 3	2022-12-18 05:06:31
4	Andrew He	119	Python 3	2016-08-11 18:36:09
5	Hidden user	119	Python 3	2023-02-24 01:55:16
6	Christian Blumenthal	124	Python 3	2023-09-11 11:15:56
7	Blake Herrera	158	Python 3	2023-02-13 22:34:27
8	Martynas	161	Python 3	2023-03-13 21:20:37
9	Evan Rose	174	Python 3	2023-05-17 03:20:49
10	Mbark Achkarfach	191	Python 3	2020-03-02 14:34:12

#	User	Length	Language	Date
1	Thomas Feld	48	Ruby	2023-02-08 10:50:18
2	Chenzhang Hu	148	Ruby	2025-09-22 18:49:24

Solution running time distribution