Problem A
Dvaput — Problem Statistics

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Submissions	4470
Accepted submissions	1367
Submission ratio	30.58%
Authors	1061
Full solves [?]	805
Full solve Ratio	75.87%

#	User	Runtime	Language	Date
1	Dan Rubery	0.03 s	C	2015-04-29 13:49:50
2	Hidden user	0.05 s	C	2017-07-12 18:45:51
3	Nick Shi	0.06 s	C	2014-02-13 13:21:02
4	Amad Askor	0.06 s	C	2016-08-11 16:10:12
5	Ivan Petrov	0.06 s	C	2019-08-09 11:29:04
6	Eyleifur Bjarkason	0.06 s	C	2025-09-23 16:50:57
7	Bergur Snorrason	0.07 s	C	2022-03-08 16:20:02
8	Jesper Öqvist	0.24 s	C	2018-08-24 21:52:40
9	Jainesh Patel	0.55 s	C	2016-10-21 19:04:11

#	User	Runtime	Language	Date
1	Andrzej Krajniak	0.19 s	C#	2016-09-13 09:11:51
2	Андрей Титов	0.36 s	C#	2016-03-24 18:06:42
3	Rafael Steffen Nguyen Jensen	0.42 s	C#	2025-04-01 12:49:17
4	jhoan marcos condori humeres	0.88 s	C#	2024-11-22 11:26:09

#	User	Runtime	Language	Date
1	Frank Endriss	0.02 s	C++	2020-10-26 13:13:10
2	Shuz*	0.02 s	C++	2021-12-14 10:10:12
3	Henrik Ahlinder	0.02 s	C++	2022-03-18 12:24:54
4	Nicholas Foo Chuan Le	0.02 s	C++	2022-03-29 18:54:31
5	Leif Eriksson	0.02 s	C++	2022-04-06 16:06:16
6	Anna Pohl Lundgren	0.02 s	C++	2022-04-10 13:11:32
7	Tan Kwang Thiag	0.02 s	C++	2024-04-05 20:03:17
8	Brandon Lau	0.02 s	C++	2025-04-02 16:23:26
9	Jeremy Lim	0.02 s	C++	2025-06-10 17:27:10
10	Hidden user	0.03 s	C++	2011-03-01 23:53:13

#	User	Runtime	Language	Date
1	Jakob Hansen	0.24 s	Go	2023-06-26 22:05:31

#	User	Runtime	Language	Date
1	William Fiset	0.18 s	Java	2017-05-09 20:07:31
2	Daniel Moyer	0.21 s	Java	2018-03-20 00:34:28
3	Jack Min Ong	0.25 s	Java	2020-04-06 13:42:20
4	John Kevin Tjahjadi	0.27 s	Java	2016-03-29 09:50:15
5	Pranav Murugappan	0.27 s	Java	2016-06-29 20:59:37
6	Simon Xue	0.30 s	Java	2016-05-31 15:21:07
7	Ankit Sharma	0.30 s	Java	2019-09-15 08:12:26
8	Quan Chau	0.32 s	Java	2017-08-07 17:24:53
9	Calum Bird	0.32 s	Java	2019-12-17 05:12:30
10	Simon Klein	0.33 s	Java	2013-02-04 14:22:58

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.83 s	JavaScript (SpiderMonkey)	2023-03-04 20:14:21

#	User	Runtime	Language	Date
1	Måns Magnusson	0.23 s	Python 2	2018-07-22 19:12:45
2	Lars Åström	0.25 s	Python 2	2018-07-22 20:48:21
3	Johan Lyts	0.26 s	Python 2	2019-12-07 13:56:14
4	Agis Daniels	0.26 s	Python 2	2020-06-05 16:54:44
5	Kuan Wei Heng	0.29 s	Python 2	2019-04-18 14:41:22
6	Andreas Serra	0.62 s	Python 2	2014-02-10 18:12:58
7	Hidden user	0.63 s	Python 2	2019-08-05 19:53:08
8	Maj Stenmark	0.77 s	Python 2	2018-07-31 18:32:52
9	Andreas Björklund	0.92 s	Python 2	2019-06-01 13:52:10

#	User	Runtime	Language	Date
1	Jejoon Ryu	0.14 s	Python 3	2022-10-20 03:50:55
2	Wouter Dijkstra	0.15 s	Python 3	2022-06-17 09:36:44
3	Hidden user	0.15 s	Python 3	2022-10-30 01:43:16
4	Ahmad Amali	0.15 s	Python 3	2022-10-31 06:20:28
5	Hidden user	0.15 s	Python 3	2022-10-31 21:04:17
6	Sanjeev Kotha	0.15 s	Python 3	2022-11-01 01:19:15
7	Shashank Bhatt	0.15 s	Python 3	2024-10-01 15:22:30
8	Ben Zydney	0.16 s	Python 3	2023-02-10 01:02:54
9	Agis Daniels	0.26 s	Python 3	2020-06-05 16:54:08
10	Daniel Vædele Egdal	0.27 s	Python 3	2022-03-31 17:36:56

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2024-04-03 00:10:16
2	Alexander Berntsson	0.09 s	Rust	2025-04-10 22:19:06
3	Leo Jarhede	0.09 s	Rust	2025-04-27 08:00:01
4	Isaac Foster	0.11 s	Rust	2026-03-20 13:27:53
5	Akemi Izuko	0.26 s	Rust	2022-10-24 19:37:48
6	Niklas Sandén	0.29 s	Rust	2023-01-25 19:34:26
7	Adrian Borup	0.41 s	Rust	2023-03-28 13:50:13
8	Iker Lissarrague	0.43 s	Rust	2023-09-27 03:19:58

#	User	Length	Language	Date
1	Nick Shi	1515	C	2014-02-13 13:21:02
2	Amad Askor	1515	C	2016-08-11 16:10:12
3	Ivan Petrov	1515	C	2019-08-09 11:29:04
4	Bergur Snorrason	2975	C	2022-03-08 16:20:47
5	Eyleifur Bjarkason	3266	C	2025-09-23 16:50:27
6	Dan Rubery	4408	C	2015-04-29 13:49:50
7	Jesper Öqvist	5415	C	2018-08-24 21:52:40
8	Hidden user	7266	C	2017-07-12 18:45:51
9	Jainesh Patel	11840	C	2016-10-21 19:04:11

#	User	Length	Language	Date
1	Rafael Steffen Nguyen Jensen	1307	C#	2025-04-01 12:49:17
2	jhoan marcos condori humeres	2677	C#	2024-11-22 11:26:09
3	Андрей Титов	4837	C#	2016-03-24 07:53:06
4	Andrzej Krajniak	9906	C#	2016-09-13 09:11:51

#	User	Length	Language	Date
1	Bruce C	642	C++	2023-05-13 05:43:39
2	Johan Wind	797	C++	2018-04-15 23:48:30
3	Kiên Nguyễn Tiến Trung	803	C++	2017-03-23 05:03:20
4	Simon Mauras	855	C++	2024-10-18 08:37:52
5	Evan Michael Bailey	868	C++	2024-02-14 21:58:45
6	James Rettie	894	C++	2023-01-19 02:05:35
7	Hidden user	963	C++	2024-01-27 12:32:45
8	William Li	1001	C++	2020-02-27 01:48:47
9	Heehyun Park	1005	C++	2020-04-17 14:12:22
10	Li Yao'an	1019	C++	2017-03-28 05:23:23

#	User	Length	Language	Date
1	Jakob Hansen	4617	Go	2023-06-26 22:09:26

#	User	Length	Language	Date
1	Zijian Zhou	1667	Java	2020-04-21 04:24:08
2	TASHI TOBGAY	1711	Java	2021-04-21 13:33:17
3	Karzey Dema	1711	Java	2021-04-21 16:26:51
4	Maj Stenmark	1776	Java	2021-11-10 22:05:41
5	Evan Partidas	1831	Java	2020-01-30 15:17:19
6	Antonio Blanca	1968	Java	2023-02-04 01:33:12
7	Ankit Sharma	2006	Java	2019-09-15 08:08:57
8	Axel	2029	Java	2021-04-17 22:25:43
9	Billy Quiroga	2071	Java	2018-11-30 17:38:37
10	Tolaba Daniel Tomás Simeón	2214	Java	2024-11-22 11:38:33

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1236	JavaScript (SpiderMonkey)	2023-03-04 20:14:21

#	User	Length	Language	Date
1	Måns Magnusson	568	Python 2	2018-07-22 19:12:45
2	Lars Åström	751	Python 2	2018-07-22 20:48:21
3	Maj Stenmark	791	Python 2	2018-07-31 18:32:52
4	Andreas Björklund	864	Python 2	2019-06-01 13:52:10
5	Johan Lyts	1696	Python 2	2019-12-07 14:11:38
6	Hidden user	1753	Python 2	2019-08-05 19:53:08
7	Kuan Wei Heng	1974	Python 2	2019-04-18 14:41:22
8	Andreas Serra	3212	Python 2	2014-02-10 18:11:45
9	Agis Daniels	3370	Python 2	2020-06-05 16:54:44

#	User	Length	Language	Date
1	Kana Arima	473	Python 3	2024-06-09 17:45:33
2	Joachim Borup	682	Python 3	2023-03-28 13:24:40
3	Benjamin Kugelberg	709	Python 3	2023-09-20 16:55:22
4	Jakob Israelsen	722	Python 3	2021-03-04 09:18:29
5	Gustav Nilsson Gisleskog	723	Python 3	2024-11-13 14:52:26
6	Bruno Martinovic	727	Python 3	2025-06-01 05:53:48
7	Ole Vik Lysne	742	Python 3	2026-03-16 17:05:47
8	Christian Emil Stender	743	Python 3	2023-03-28 12:39:06
9	crapcode	748	Python 3	2023-04-21 23:18:54
10	Jonathan Cederlund	763	Python 3	2023-01-25 18:28:48

#	User	Length	Language	Date
1	Adrian Borup	1904	Rust	2023-03-28 13:50:13
2	Isaac Foster	2805	Rust	2026-03-20 10:26:01
3	Iker Lissarrague	2831	Rust	2023-09-27 03:19:58
4	Leo Jarhede	4217	Rust	2025-04-27 08:00:01
5	Akemi Izuko	4917	Rust	2022-10-24 19:37:48
6	Alexander Berntsson	5871	Rust	2025-04-10 22:19:06
7	Vincent Lagerros	16648	Rust	2024-04-03 00:10:16
8	Niklas Sandén	30768	Rust	2023-01-25 19:22:27

Solution running time distribution