Problem A
Nizovi — Problem Statistics

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Submissions	1296
Accepted submissions	520
Submission ratio	40.12%
Authors	503
Full solves [?]	442
Full solve Ratio	87.87%

#	User	Runtime	Language	Date
1	Arend van Erk	0.00 s	C	2016-10-09 16:21:45
2	Bernd Schmidt	0.00 s	C	2017-08-11 19:26:49
3	Jing Huang	0.00 s	C	2017-08-14 03:13:06
4	Bergur Snorrason	0.00 s	C	2020-01-02 12:11:18

#	User	Runtime	Language	Date
1	Daniel Materowski	0.02 s	C#	2016-10-13 18:30:05
2	Andrzej Krajniak	0.02 s	C#	2016-10-13 18:33:20
3	masosz	0.02 s	C#	2016-10-13 20:13:56
4	Iwan	0.02 s	C#	2016-12-01 15:50:21
5	Heracles	0.02 s	C#	2018-11-13 19:45:59
6	Marek	0.05 s	C#	2016-10-13 18:42:13
7	Aga Kisiel	0.06 s	C#	2016-10-13 19:30:06
8	Nathan Andrews	0.07 s	C#	2024-09-13 23:19:06

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2021-12-10 21:35:42

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2023-02-25 11:05:11
2	Mason Barnhill	0.00 s	Haskell	2023-07-15 00:33:44
3	Kristian Sørdal	0.01 s	Haskell	2023-01-29 17:46:59
4	Steinar Simonnes	0.01 s	Haskell	2025-05-19 13:27:48
5	Birk Tjelmeland	0.16 s	Haskell	2017-12-24 00:05:01
6	Brent Yorgey	0.23 s	Haskell	2018-09-22 22:51:41
7	Michał Grygierzec	0.40 s	Haskell	2016-10-16 23:01:30

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.05 s	Java	2024-07-21 22:12:37
2	Taras Romanyuk	0.05 s	Java	2024-10-15 21:57:42
3	Hidden user	0.06 s	Java	2016-04-29 20:04:41
4	Joachim Nybo	0.06 s	Java	2016-05-04 20:11:18
5	Paul Boddington	0.06 s	Java	2016-05-11 18:47:15
6	Simon Xue	0.06 s	Java	2016-06-01 03:50:09
7	Mehdi Maick	0.06 s	Java	2016-07-28 23:14:07
8	Micah Stairs	0.06 s	Java	2017-01-09 02:04:40
9	Bryan Jin	0.06 s	Java	2018-08-21 00:41:56
10	Liam Keliher	0.06 s	Java	2018-11-01 02:54:54

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-04-28 02:53:57
2	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2016-05-06 14:53:39
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-06-17 22:27:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2024-06-06 07:16:42

#	User	Runtime	Language	Date
1	Adam Rankin	0.21 s	Kotlin	2023-09-01 19:06:06

#	User	Runtime	Language	Date
1	Caleb Austin	0.04 s	Lua	2024-09-14 00:05:44

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	Prolog	2021-12-14 10:59:50

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.03 s	Python 2	2016-06-04 08:22:08
2	Hermon Mulat	0.03 s	Python 2	2017-01-24 06:06:19
3	James Hamm	0.03 s	Python 2	2017-12-17 19:40:05
4	Juho Lee	0.03 s	Python 2	2018-01-21 22:29:04
5	Ranald Lam	0.03 s	Python 2	2018-01-24 06:46:24
6	Hidden user	0.03 s	Python 2	2018-01-24 09:15:34
7	Lars Åström	0.03 s	Python 2	2019-06-18 14:19:55
8	Måns Magnusson	0.03 s	Python 2	2019-08-30 23:24:25
9	Yanmarshus Bachtiar	0.04 s	Python 2	2020-09-29 04:57:57

#	User	Runtime	Language	Date
1	Wayne	0.02 s	Python 3	2016-05-02 11:51:36
2	Zach Goldthorpe	0.02 s	Python 3	2016-05-20 23:45:07
3	Rick van Rheenen	0.02 s	Python 3	2016-10-19 09:40:59
4	Matt Ballard	0.02 s	Python 3	2017-06-05 22:47:05
5	Benzhu Xu	0.02 s	Python 3	2017-08-14 11:57:23
6	Akshay Gupta	0.02 s	Python 3	2017-10-30 11:03:39
7	Anas Limouri	0.02 s	Python 3	2017-11-18 10:32:24
8	Ciara Godwin	0.02 s	Python 3	2017-12-02 18:43:30
9	Cian Ruane	0.02 s	Python 3	2017-12-02 19:24:56
10	James Hamm	0.02 s	Python 3	2017-12-17 19:39:04

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-05-24 16:34:48

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-01-27 20:08:18
2	Vincent Lagerros	0.00 s	Rust	2024-09-30 16:04:13
3	Artur Khuziakhmetov	0.00 s	Rust	2025-12-26 16:03:06

#	User	Length	Language	Date
1	Bernd Schmidt	641	C	2017-08-11 19:26:49
2	Jing Huang	778	C	2017-08-14 03:13:06
3	Arend van Erk	967	C	2016-10-09 16:21:45
4	Bergur Snorrason	2067	C	2020-01-02 12:11:18

#	User	Length	Language	Date
1	Nathan Andrews	539	C#	2024-09-13 23:19:06
2	Daniel Materowski	1961	C#	2016-10-13 18:30:05
3	Aga Kisiel	1990	C#	2016-10-13 19:30:06
4	Heracles	2008	C#	2018-11-13 19:45:59
5	Andrzej Krajniak	2148	C#	2016-10-13 18:33:20
6	masosz	2444	C#	2016-10-13 20:13:56
7	Iwan	3567	C#	2016-12-01 15:50:21
8	Marek	3610	C#	2016-10-13 18:42:13

#	User	Length	Language	Date
1	a_b__c	350	C++	2021-04-01 18:59:57
2	Hidden user	350	C++	2024-11-26 19:31:08
3	Grae Yeandle	426	C++	2023-03-25 10:03:13
4	Hrant Hovhannisyan	507	C++	2017-04-14 16:12:45
5	Boyuan Gu	514	C++	2016-05-21 20:46:53
6	Hidden user	515	C++	2018-06-15 06:57:18
7	陳小宇	515	C++	2022-07-20 10:29:12
8	Josenildo Silva	517	C++	2017-01-10 12:33:41
9	Hidden user	527	C++	2021-01-29 21:52:18
10	戴予珩	545	C++	2022-07-20 10:25:45

#	User	Length	Language	Date
1	Norbert Voelker	1063	Go	2021-12-10 21:35:42

#	User	Length	Language	Date
1	Kristian Sørdal	727	Haskell	2023-01-29 17:46:59
2	Birk Tjelmeland	733	Haskell	2017-12-24 00:05:01
3	Brent Yorgey	833	Haskell	2018-09-22 22:51:41
4	Mason Barnhill	867	Haskell	2023-07-15 00:33:44
5	Hidden user	898	Haskell	2023-02-25 11:05:11
6	Steinar Simonnes	933	Haskell	2025-05-19 13:28:40
7	Michał Grygierzec	1718	Haskell	2016-10-16 23:01:30

#	User	Length	Language	Date
1	Stephen Young	886	Java	2023-01-14 00:30:30
2	Jens Kjærgaard Boldsen	914	Java	2016-11-14 09:09:41
3	Yifan Sun	987	Java	2021-01-29 23:15:42
4	Doug Goodman	988	Java	2018-03-06 15:50:36
5	Crystal Sharpe	1023	Java	2020-05-07 22:22:10
6	Leslie Yip	1028	Java	2023-06-22 04:21:00
7	Zarhane Adil	1030	Java	2016-07-29 00:28:21
8	SHABI Ilyas	1040	Java	2017-10-21 13:40:45
9	Mikey Aamir	1159	Java	2023-01-14 01:00:28
10	Bryan Jin	1175	Java	2018-08-21 00:41:56

#	User	Length	Language	Date
1	Peter Kedemo	344	JavaScript (SpiderMonkey)	2016-05-06 14:53:39
2	Bjørn Chr. Soltvedt	507	JavaScript (SpiderMonkey)	2016-04-28 02:53:57
3	Christian Pilegaard Cederquist	776	JavaScript (SpiderMonkey)	2023-06-17 22:27:48

#	User	Length	Language	Date
1	Timothy Gaede	840	Julia	2024-06-06 07:16:42

#	User	Length	Language	Date
1	Adam Rankin	1243	Kotlin	2023-09-01 19:06:06

#	User	Length	Language	Date
1	Caleb Austin	1094	Lua	2024-09-14 00:05:44

#	User	Length	Language	Date
1	Andriy Zyevakov	1143	Prolog	2021-12-14 10:59:50

#	User	Length	Language	Date
1	Juho Lee	278	Python 2	2018-01-21 22:29:04
2	Hidden user	293	Python 2	2018-01-24 09:15:34
3	James Hamm	431	Python 2	2017-12-17 19:40:05
4	Christofer Ohlsson	499	Python 2	2016-06-04 08:22:08
5	Lars Åström	632	Python 2	2019-06-18 14:19:55
6	Måns Magnusson	649	Python 2	2019-08-30 23:24:25
7	Yanmarshus Bachtiar	705	Python 2	2020-09-29 04:57:57
8	Ranald Lam	770	Python 2	2018-01-24 06:46:24
9	Hermon Mulat	949	Python 2	2017-01-24 06:06:19

#	User	Length	Language	Date
1	Bjørn Dons	178	Python 3	2018-11-03 21:03:53
2	David Aldenbro	239	Python 3	2025-10-24 13:14:46
3	Presley Graham	264	Python 3	2021-02-02 22:45:42
4	Zach Goldthorpe	280	Python 3	2016-05-20 23:45:07
5	Minh Phan Duc Nhat	299	Python 3	2018-01-22 06:15:26
6	Ahmed Chamseddine	307	Python 3	2025-05-13 23:51:01
7	Johan Wind	353	Python 3	2018-10-13 20:20:31
8	Yong Mao	403	Python 3	2023-05-03 01:00:24
9	Cheng Hang	412	Python 3	2018-01-19 11:35:47
10	Isaac Lee	419	Python 3	2025-06-23 03:36:35

#	User	Length	Language	Date
1	Thomas Feld	70	Ruby	2023-05-24 16:40:24

#	User	Length	Language	Date
1	Bas Dirks	940	Rust	2022-01-27 20:08:18
2	Artur Khuziakhmetov	1113	Rust	2025-12-26 16:03:06
3	Vincent Lagerros	1224	Rust	2024-09-30 16:04:13

Solution running time distribution