Problem A
Performance Review — Problem Statistics

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Submissions	1530
Accepted submissions	384
Submission ratio	25.10%
Authors	337
Full solves [?]	249
Full solve Ratio	73.89%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.05 s	C	2019-09-20 09:16:19
2	Jesper Öqvist	0.06 s	C	2018-05-12 09:04:20

#	User	Runtime	Language	Date
1	Ludo Pulles	0.05 s	C++	2017-04-29 18:27:53
2	Asger Hautop Drewsen	0.05 s	C++	2017-09-28 17:07:39
3	Oskar Haarklou Veileborg	0.05 s	C++	2017-10-02 12:29:06
4	Guy Avrahami	0.05 s	C++	2018-06-20 01:42:53
5	Filippo Soldati	0.05 s	C++	2018-12-09 22:55:43
6	Li Da	0.05 s	C++	2018-12-13 09:53:16
7	Dumitru Damaschin	0.05 s	C++	2019-04-08 11:11:49
8	Alex Lind	0.05 s	C++	2019-07-19 21:11:39
9	Jérôme Mayolet	0.05 s	C++	2021-11-09 21:23:49
10	David Andres Lopez Gomez	0.05 s	C++	2022-07-24 03:55:18

#	User	Runtime	Language	Date
1	Bjørn Dons	0.68 s	Java	2023-07-22 20:54:50
2	Danielle Yoselevich	0.72 s	Java	2017-06-03 22:22:24
3	Måns Magnusson	0.72 s	Java	2017-12-05 14:13:14
4	Nick Wu	0.82 s	Java	2017-04-02 22:21:54
5	Chris Wu	1.01 s	Java	2017-04-03 06:24:18
6	Mark Sturtevant	1.01 s	Java	2023-03-02 07:10:49
7	Martin Jakobsson	1.04 s	Java	2018-05-12 13:55:13
8	Benjamin Reidys	1.06 s	Java	2019-06-09 01:05:33
9	Wouter Kool	1.17 s	Java	2018-11-21 18:19:23
10	Eden Cohen-Zagouri	1.27 s	Java	2017-06-04 13:10:05

#	User	Runtime	Language	Date
1	Andreas Björklund	2.69 s	Python 2	2022-03-27 12:41:38

#	User	Runtime	Language	Date
1	Hidden user	0.30 s	Python 3	2026-03-07 02:11:41
2	Eduardo Alvarez Hernandez	0.31 s	Python 3	2025-03-12 20:47:21
3	Ruizhe Jiang	0.31 s	Python 3	2025-11-22 01:14:02
4	Lennart Meyling	0.32 s	Python 3	2025-11-03 23:01:57
5	Denil Bouafia	0.45 s	Python 3	2024-09-27 16:22:01
6	Hidden user	0.53 s	Python 3	2026-02-27 23:58:20
7	Ángel Óscar Cariño Hernández	0.54 s	Python 3	2026-02-16 14:36:17
8	Aarya Bookseller	0.55 s	Python 3	2026-02-27 23:26:22
9	Nicholas Russell Saerang	0.61 s	Python 3	2025-02-20 16:25:12
10	Axel Fontaine	0.61 s	Python 3	2026-03-11 20:10:51

#	User	Runtime	Language	Date
1	Egor Kulikov	0.07 s	Rust	2025-01-15 14:42:48
2	Jonathan Cederlund	0.23 s	Rust	2023-05-10 19:49:07

#	User	Length	Language	Date
1	Ivan Petrov	1187	C	2019-09-20 09:16:19
2	Jesper Öqvist	1861	C	2018-05-12 09:04:20

#	User	Length	Language	Date
1	Hidden user	877	C++	2019-04-26 05:56:25
2	Jannik Olbrich	891	C++	2019-05-31 11:22:58
3	Josenildo Silva	905	C++	2018-08-03 03:25:45
4	Sirawit Pongnakin	911	C++	2023-10-03 11:00:43
5	Luca Macchiaroli	939	C++	2017-11-28 01:08:05
6	Jakob Nogler	959	C++	2018-11-20 19:16:50
7	Chen Chongsong	965	C++	2017-09-02 08:54:09
8	Yeung Man Tsung	993	C++	2023-01-24 17:47:21
9	Lim An Jun	1015	C++	2023-01-24 04:03:26
10	Hidden user	1055	C++	2017-07-24 22:05:52

#	User	Length	Language	Date
1	Danielle Yoselevich	1686	Java	2017-06-03 22:22:24
2	Måns Magnusson	2040	Java	2017-12-05 14:13:14
3	Alexey Fekson	2586	Java	2017-06-03 18:13:19
4	Eden Cohen-Zagouri	2586	Java	2017-06-04 13:10:05
5	Chris Wu	3043	Java	2017-04-03 06:24:18
6	Benjamin Reidys	3293	Java	2019-06-09 01:05:33
7	Mark Sturtevant	3461	Java	2023-03-02 07:10:49
8	Hidden user	3908	Java	2020-11-25 19:59:42
9	Hidden user	4074	Java	2023-03-09 01:38:07
10	Martin Jakobsson	4489	Java	2018-05-12 13:55:13

#	User	Length	Language	Date
1	Andreas Björklund	1576	Python 2	2022-03-27 12:41:38

#	User	Length	Language	Date
1	Nicholas Russell Saerang	739	Python 3	2025-02-20 16:25:12
2	Lennart Meyling	924	Python 3	2025-11-03 23:01:57
3	Denil Bouafia	1068	Python 3	2024-09-27 16:22:01
4	Hidden user	1280	Python 3	2026-02-27 23:58:20
5	Hidden user	1342	Python 3	2025-03-02 05:06:27
6	Caleb Dastrup	1466	Python 3	2025-02-01 22:22:44
7	Laith Bohsali	1484	Python 3	2025-03-02 18:18:46
8	Ángel Óscar Cariño Hernández	1601	Python 3	2026-02-16 14:36:17
9	Hidden user	1619	Python 3	2026-03-07 02:11:41
10	Ruizhe Jiang	1623	Python 3	2025-11-22 01:14:02

#	User	Length	Language	Date
1	Jonathan Cederlund	5249	Rust	2023-05-10 19:49:07
2	Egor Kulikov	46211	Rust	2025-01-15 14:42:48

Solution running time distribution