Problem A
Odd and Even Zeroes — Problem Statistics

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Submissions	359
Accepted submissions	112
Submission ratio	31.20%
Authors	125
Accepted authors	87
Author ratio	69.60%

#	User	Runtime	Language	Date
1	Sabit Zahin	0.00 s	C	2015-10-20 20:05:12
2	Hidden user	0.00 s	C	2017-06-28 20:30:34
3	Ivan Petrov	0.00 s	C	2019-06-28 08:48:17

#	User	Runtime	Language	Date
1	Brent Yorgey	0.02 s	Haskell	2020-07-05 21:41:49
2	Alexandre Charland	0.03 s	Haskell	2025-02-23 14:39:29

#	User	Runtime	Language	Date
1	Liam Keliher	0.06 s	Java	2016-07-02 14:01:14
2	Micah Stairs	0.07 s	Java	2017-01-15 04:45:47
3	Finn Lidbetter	0.08 s	Java	2016-07-12 19:44:40
4	Ram Kripal Mishra	0.08 s	Java	2016-08-05 09:59:24
5	Erik Baalhuis	0.10 s	Java	2016-10-17 20:52:40
6	Kurtis Van Gent	0.10 s	Java	2017-05-14 00:02:57
7	Michael LoPiccolo	0.14 s	Java	2015-07-31 07:25:07
8	Tobias Glimmerfors	0.14 s	Java	2019-06-16 11:37:18
9	Tristen Tulkens	0.15 s	Java	2020-02-04 04:38:22
10	Caleb Reath	0.22 s	Java	2020-01-12 17:57:53

#	User	Runtime	Language	Date
1	Zhong Zhao	0.04 s	Python 2	2018-10-10 22:35:18
2	Dmitry Lyubshin	0.06 s	Python 2	2018-06-02 21:44:08
3	Lars Åström	0.07 s	Python 2	2018-11-18 17:53:52
4	Björn Magnusson	0.07 s	Python 2	2018-11-18 21:21:56
5	Andreas Björklund	0.07 s	Python 2	2020-03-22 10:45:42
6	Haggai Liu	0.08 s	Python 2	2017-05-25 08:25:25
7	Måns Magnusson	0.12 s	Python 2	2018-11-18 21:15:00
8	Maj Stenmark	0.12 s	Python 2	2018-11-19 20:32:52
9	Simon Lindholm	0.13 s	Python 2	2014-09-11 18:15:32
10	Asger Hautop Drewsen	0.15 s	Python 2	2017-11-24 10:29:39

#	User	Runtime	Language	Date
1	James Elías Sigurðarson	0.06 s	Python 3	2015-05-29 22:07:42
2	Alexander Bilde Pedersen	0.07 s	Python 3	2025-01-13 22:13:25
3	Asger Hautop Drewsen	0.08 s	Python 3	2017-11-24 11:03:54
4	Isaac Lee	0.09 s	Python 3	2020-09-27 05:40:46
5	Nick Wu	0.09 s	Python 3	2023-06-24 04:14:31
6	Casper Rysgaard	0.09 s	Python 3	2024-03-04 21:39:16
7	Nicholas Russell Saerang	0.09 s	Python 3	2025-06-21 08:34:05
8	Kana Arima	0.10 s	Python 3	2024-06-09 01:32:02
9	vance	0.11 s	Python 3	2020-02-13 08:43:26
10	Vincent Tandya	0.11 s	Python 3	2021-04-09 11:12:43

#	User	Runtime	Language	Date
1	Miorel Palii	0.23 s	Ruby	2018-01-10 08:56:20

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Rust	2025-05-04 17:07:15

#	User	Length	Language	Date
1	Ivan Petrov	1145	C	2019-06-28 08:48:17
2	Hidden user	1257	C	2017-06-28 20:30:34
3	Sabit Zahin	1363	C	2015-10-20 20:05:12

#	User	Length	Language	Date
1	Elias Lolck	458	C++	2023-02-11 20:32:38
2	YanHao Ling	488	C++	2018-02-16 10:03:37
3	David Wärn	573	C++	2015-02-14 22:10:46
4	Florian Cliquet	629	C++	2024-11-21 02:44:55
5	Francesco Milizia	680	C++	2017-10-27 15:17:36
6	Alexander Skidanov	857	C++	2024-12-13 19:44:54
7	Reyno Tilikaynen	899	C++	2017-10-16 23:20:53
8	Egor Kravchenko	934	C++	2024-12-13 19:45:52
9	Thi Dai Loc	949	C++	2017-01-10 07:47:10
10	Hidden user	977	C++	2016-11-04 15:01:21

#	User	Length	Language	Date
1	Alexandre Charland	1089	Haskell	2025-02-23 14:39:29
2	Brent Yorgey	3926	Haskell	2020-07-05 21:41:49

#	User	Length	Language	Date
1	Soldà Federico	887	Java	2020-01-21 12:20:11
2	Kurtis Van Gent	1082	Java	2017-05-14 00:02:57
3	Michael LoPiccolo	1474	Java	2015-07-31 07:25:07
4	Finn Lidbetter	1540	Java	2016-07-12 19:40:56
5	Ram Kripal Mishra	1593	Java	2016-08-05 09:59:24
6	Liam Keliher	1955	Java	2016-07-02 14:01:14
7	Erik Baalhuis	2191	Java	2016-10-17 20:52:40
8	Micah Stairs	2221	Java	2017-01-15 04:45:47
9	Caleb Reath	2598	Java	2020-01-12 17:57:53
10	Tobias Glimmerfors	4216	Java	2019-06-16 11:37:18

#	User	Length	Language	Date
1	Dmitry Lyubshin	418	Python 2	2018-06-02 21:44:08
2	Andreas Björklund	463	Python 2	2020-03-22 10:45:42
3	Simon Lindholm	492	Python 2	2014-09-11 18:15:32
4	Lars Åström	504	Python 2	2018-11-18 17:53:52
5	Björn Magnusson	504	Python 2	2018-11-18 21:21:56
6	Måns Magnusson	706	Python 2	2018-11-18 21:15:00
7	Maj Stenmark	706	Python 2	2018-11-19 20:32:52
8	Haggai Liu	761	Python 2	2017-05-25 08:25:25
9	Zhong Zhao	1210	Python 2	2018-10-10 22:35:18
10	Asger Hautop Drewsen	1472	Python 2	2017-11-24 10:42:40

#	User	Length	Language	Date
1	Lawry Sorenson	250	Python 3	2025-05-29 03:16:40
2	Nicholas Russell Saerang	304	Python 3	2025-06-21 08:34:05
3	Kana Arima	442	Python 3	2024-06-09 01:32:02
4	Nick Wu	501	Python 3	2023-06-24 04:14:31
5	vance	676	Python 3	2020-02-13 08:43:26
6	Isaac Lee	749	Python 3	2020-09-27 05:40:46
7	James Elías Sigurðarson	778	Python 3	2015-05-29 22:07:42
8	Kevin Sheng	778	Python 3	2024-06-03 01:08:31
9	Hidden user	964	Python 3	2023-05-20 11:08:50
10	Casper Rysgaard	1044	Python 3	2024-03-04 21:39:16

#	User	Length	Language	Date
1	Miorel Palii	1142	Ruby	2018-01-10 08:56:20

#	User	Length	Language	Date
1	Hidden user	9552	Rust	2025-05-04 17:07:15

Solution running time distribution