Problem I
RATS — Problem Statistics

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Submissions	870
Accepted submissions	211
Submission ratio	24.25%
Authors	224
Full solves [?]	173
Full solve Ratio	77.23%

#	User	Runtime	Language	Date
1	Pablo Rivas Perea	0.00 s	C	2017-11-25 00:12:18
2	Ivan Petrov	0.00 s	C	2019-07-29 16:28:06
3	Mirel Cosulschi	0.00 s	C	2025-01-11 12:36:59

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Common Lisp	2019-06-24 00:21:00

#	User	Runtime	Language	Date
1	Isaac Arvestad	0.01 s	Haskell	2020-08-27 10:28:14
2	Brent Yorgey	0.02 s	Haskell	2017-11-01 15:43:16

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.07 s	Java	2016-10-29 22:51:56
2	Jonathan Hartnett	0.10 s	Java	2017-10-31 00:54:10
3	Doug Goodman	0.11 s	Java	2017-06-16 16:52:33
4	Taras Romanyuk	0.12 s	Java	2024-09-25 22:56:17
5	Jeffrey Xiao	0.13 s	Java	2016-10-16 21:24:27
6	Josenildo Silva	0.13 s	Java	2017-07-08 16:52:29
7	Terrence Park	0.14 s	Java	2016-12-11 02:25:53
8	Felix Park	0.15 s	Java	2018-10-19 00:58:12
9	Chris Wu	0.16 s	Java	2016-10-16 22:21:33
10	Benjamin Laurence Erickson	0.16 s	Java	2016-10-17 23:46:51

#	User	Runtime	Language	Date
1	Sean Purcell	0.05 s	Python 2	2016-10-16 20:51:04
2	Mustafa Serdar Şanlı	0.05 s	Python 2	2017-10-08 22:39:53
3	Dmitry Lyubshin	0.05 s	Python 2	2018-06-21 12:42:34
4	Seyoon Ragavan	0.05 s	Python 2	2018-11-09 17:42:11
5	Johan Lyts	0.05 s	Python 2	2020-02-21 21:20:46
6	Bjarki Ágúst Guðmundsson	0.06 s	Python 2	2016-10-16 20:54:33
7	Dan Chen	0.06 s	Python 2	2016-10-18 04:44:47
8	Tomás Cariño	0.06 s	Python 2	2017-11-21 06:04:27
9	Ben Tan	0.06 s	Python 2	2019-04-04 20:36:22
10	Haochen Chen	0.13 s	Python 2	2016-10-16 21:56:59

#	User	Runtime	Language	Date
1	Ofri Harlev	0.02 s	Python 3	2016-10-25 08:59:03
2	Arvind Sontha	0.02 s	Python 3	2016-10-25 08:59:47
3	Zack Terry	0.02 s	Python 3	2017-09-09 09:39:38
4	Sharan Magavi	0.02 s	Python 3	2019-10-01 23:16:13
5	Hidden user	0.03 s	Python 3	2016-10-20 22:54:23
6	Kevin Wang	0.03 s	Python 3	2016-10-24 08:48:32
7	Tan Chee Heng	0.03 s	Python 3	2017-11-23 15:28:50
8	William Gan	0.03 s	Python 3	2018-04-13 10:33:50
9	Timothy Han	0.03 s	Python 3	2018-10-18 03:28:10
10	Catalin Popa	0.03 s	Python 3	2018-12-12 02:26:41

#	User	Runtime	Language	Date
1	Dalton Parker Caron	0.06 s	Ruby	2019-01-02 07:48:33

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-07-26 03:56:34
2	Artur Khuziakhmetov	0.00 s	Rust	2025-11-12 10:17:41

#	User	Length	Language	Date
1	Mirel Cosulschi	3597	C	2025-01-11 12:36:59
2	Ivan Petrov	5601	C	2019-07-29 16:28:06
3	Pablo Rivas Perea	7617	C	2017-11-25 00:12:18

#	User	Length	Language	Date
1	Hidden user	1093	C++	2024-11-15 19:53:13
2	Leo Lee	1387	C++	2026-02-03 19:30:10
3	Gergely Dániel Péter	1420	C++	2024-11-02 13:46:11
4	Hubert Teo	1467	C++	2016-10-23 23:39:56
5	Nguyễn Minh Tú	1482	C++	2016-11-23 17:08:32
6	Nikita Kiselov	1486	C++	2026-02-05 05:53:23
7	Zhen Li	1547	C++	2019-10-12 02:38:07
8	Hidden user	1651	C++	2024-03-21 15:35:41
9	Antonio Molina Lovett	1664	C++	2016-10-16 22:48:01
10	Renato Ferreira	1687	C++	2016-10-16 20:49:03

#	User	Length	Language	Date
1	Hidden user	2204	Common Lisp	2019-06-24 00:21:00

#	User	Length	Language	Date
1	Brent Yorgey	1375	Haskell	2017-11-01 15:43:16
2	Isaac Arvestad	1802	Haskell	2020-08-27 10:28:14

#	User	Length	Language	Date
1	Hidden user	1342	Java	2018-12-30 18:02:08
2	Benjamin Laurence Erickson	1425	Java	2016-10-17 23:46:51
3	Martin Wan	1454	Java	2017-07-19 08:22:43
4	Michael LeKander	1549	Java	2016-10-16 22:02:50
5	Saujas Nandi	1554	Java	2018-08-10 02:18:33
6	Ben Tan	1554	Java	2019-04-04 20:35:40
7	parth sarthi	1554	Java	2019-10-04 08:45:51
8	Matthew Garrison	1591	Java	2017-05-24 23:17:49
9	Doug Goodman	1771	Java	2017-06-16 16:52:33
10	Finn Lidbetter	1884	Java	2017-07-14 00:59:09

#	User	Length	Language	Date
1	Sean Purcell	694	Python 2	2016-10-16 20:51:04
2	Dmitry Lyubshin	839	Python 2	2018-06-21 12:42:34
3	Dan Chen	861	Python 2	2016-10-18 04:44:47
4	Johan Lyts	866	Python 2	2020-02-21 21:25:23
5	Mustafa Serdar Şanlı	916	Python 2	2017-10-08 22:39:53
6	Bjarki Ágúst Guðmundsson	928	Python 2	2016-10-16 20:54:33
7	Seyoon Ragavan	1148	Python 2	2018-11-09 17:42:11
8	Tomás Cariño	1336	Python 2	2017-11-21 06:04:27
9	Ben Tan	1439	Python 2	2019-04-04 20:36:22
10	Haochen Chen	1524	Python 2	2016-10-16 21:56:59

#	User	Length	Language	Date
1	Artur Khuziakhmetov	439	Python 3	2025-11-11 18:23:07
2	Christian Yongwhan Lim	529	Python 3	2024-05-20 18:31:32
3	William Gan	554	Python 3	2018-04-13 10:33:50
4	Leonardo Blanger	632	Python 3	2021-01-29 00:32:33
5	Ahmed Hibet	632	Python 3	2021-07-14 13:28:34
6	Umesh kumar	645	Python 3	2022-09-18 17:37:35
7	Hidden user	688	Python 3	2016-10-20 22:54:23
8	Felipe Fernandes Teixeira	690	Python 3	2025-08-20 22:05:02
9	Markus Mathiasen	704	Python 3	2023-08-25 08:52:46
10	Godmar Back	704	Python 3	2023-10-14 00:55:11

#	User	Length	Language	Date
1	Dalton Parker Caron	1622	Ruby	2019-01-02 07:48:33

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1710	Rust	2025-11-12 10:17:41
2	Vincent Lagerros	45848	Rust	2024-07-26 03:56:34

Solution running time distribution