Problem A
Zagrade — Problem Statistics

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Submissions	2698
Accepted submissions	931
Submission ratio	34.51%
Authors	875
Accepted authors	756
Author ratio	86.40%

#	User	Runtime	Language	Date
1	Sanjiv Dinakar	0.00 s	C	2019-10-24 04:27:58
2	Max McGinty	0.00 s	C	2025-02-27 00:08:21

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.04 s	C#	2019-07-27 12:12:03

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-26 11:22:47

#	User	Runtime	Language	Date
1	Norbert Voelker	0.07 s	Go	2021-11-11 22:56:53

#	User	Runtime	Language	Date
1	Benjamin Ownby	0.01 s	Haskell	2024-03-27 18:49:39
2	Steinar Simonnes	0.01 s	Haskell	2025-05-28 15:42:59
3	Brent Yorgey	0.02 s	Haskell	2018-05-05 04:31:48
4	Jan Hrček	0.02 s	Haskell	2019-05-01 17:45:18
5	Mason Barnhill	0.03 s	Haskell	2023-07-24 06:42:49

#	User	Runtime	Language	Date
1	Nick Wu	0.08 s	Java	2016-06-13 02:50:22
2	Martijn Muijsers	0.08 s	Java	2016-10-10 22:33:31
3	Michel Langeveld	0.08 s	Java	2016-12-17 17:09:14
4	Liam Keliher	0.08 s	Java	2018-07-15 09:33:44
5	Graeme Zinck	0.08 s	Java	2018-07-20 02:15:26
6	Mehdi Maick	0.09 s	Java	2016-08-08 23:41:26
7	James Black	0.09 s	Java	2018-07-20 01:30:02
8	Simon Xue	0.10 s	Java	2016-04-30 01:08:56
9	Kevin Lim Yong Shen	0.10 s	Java	2021-12-24 06:47:09
10	Taras Romanyuk	0.10 s	Java	2024-04-03 20:56:13

#	User	Runtime	Language	Date
1	tannal	0.06 s	JavaScript (Node.js)	2025-06-15 06:22:57
2	Stephanie Keck	0.45 s	JavaScript (Node.js)	2020-02-08 01:17:08

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2016-07-29 03:55:03
2	Peter Kedemo	0.04 s	JavaScript (SpiderMonkey)	2016-09-26 21:36:16
3	Christian Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-07-31 18:53:17

#	User	Runtime	Language	Date
1	Timothy Gaede	0.52 s	Julia	2025-03-28 07:55:52

#	User	Runtime	Language	Date
1	Hidden user	0.23 s	Kotlin	2020-03-23 04:51:05
2	Johnny Baloney	0.25 s	Kotlin	2022-02-22 22:22:47
3	Kelly Dance	0.27 s	Kotlin	2022-11-14 04:31:22
4	Adam Rankin	0.32 s	Kotlin	2023-09-09 03:52:55
5	Adam Koprowski	0.35 s	Kotlin	2020-11-23 22:21:20

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2018-02-24 13:54:45
2	Christofer Ohlsson	0.04 s	Python 2	2015-05-24 18:44:56
3	Bridger Howell	0.04 s	Python 2	2016-09-08 05:33:27
4	Ivica Huk	0.04 s	Python 2	2018-04-13 11:20:39
5	Lars Åström	0.04 s	Python 2	2018-07-27 12:38:19
6	Jesper Öqvist	0.04 s	Python 2	2018-11-09 00:37:34
7	Thomas Feld	0.04 s	Python 2	2019-10-11 14:39:27
8	Greg Hamerly	0.05 s	Python 2	2015-10-14 13:33:11
9	Frederik Højholt	0.05 s	Python 2	2015-10-28 21:47:32
10	red@macacm.org	0.05 s	Python 2	2016-08-07 22:12:46

#	User	Runtime	Language	Date
1	Mikael Florén	0.02 s	Python 3	2014-11-24 15:21:17
2	Patrik Lilja	0.02 s	Python 3	2016-06-07 20:44:33
3	James Hamm	0.02 s	Python 3	2017-12-27 20:32:00
4	Hidden user	0.02 s	Python 3	2018-02-17 18:24:43
5	Johan Wind	0.02 s	Python 3	2018-05-10 17:45:08
6	João Victor Fernandes Silva	0.02 s	Python 3	2018-06-08 21:28:39
7	Hidden user	0.02 s	Python 3	2018-06-08 21:28:55
8	SANTIAGO LAGUNA ALTAMIRANO	0.02 s	Python 3	2018-12-06 04:57:44
9	Aaron Dunigan AtLee	0.02 s	Python 3	2019-01-12 14:38:07
10	Jakob Hansen	0.02 s	Python 3	2019-09-06 20:08:39

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.00 s	Rust	2020-10-09 11:17:16
2	Pahlevi Fikri Auliya	0.00 s	Rust	2021-02-28 00:10:18
3	Bas Dirks	0.00 s	Rust	2022-06-08 09:52:51
4	Jack Augenstine	0.00 s	Rust	2025-01-24 05:34:05
5	Chris Seager	0.00 s	Rust	2025-03-26 14:30:03

#	User	Length	Language	Date
1	Max McGinty	1516	C	2025-02-27 00:08:21
2	Sanjiv Dinakar	2529	C	2019-10-24 04:27:58

#	User	Length	Language	Date
1	Andriy Zyevakov	8445	C#	2019-07-27 12:12:03

#	User	Length	Language	Date
1	Leo Lee	480	C++	2025-01-27 04:38:41
2	Emmanuel Anaya	488	C++	2020-11-02 02:04:00
3	Noah Weninger	569	C++	2018-12-19 00:56:56
4	Hidden user	622	C++	2024-03-29 03:56:33
5	Anna Roczek	635	C++	2023-08-23 12:11:57
6	Way Tan	650	C++	2020-10-04 14:21:51
7	Josenildo Silva	652	C++	2018-08-04 02:50:57
8	Markus Mathiasen	662	C++	2022-01-20 13:10:51
9	Howard Cheng	682	C++	2023-09-20 17:22:21
10	Eimhin McDonald	691	C++	2018-04-26 09:59:31

#	User	Length	Language	Date
1	Hidden user	1039	Common Lisp	2019-07-26 11:22:47

#	User	Length	Language	Date
1	Norbert Voelker	1155	Go	2021-11-11 22:58:47

#	User	Length	Language	Date
1	Brent Yorgey	572	Haskell	2018-05-05 04:31:48
2	Benjamin Ownby	698	Haskell	2024-03-27 18:52:09
3	Mason Barnhill	750	Haskell	2023-07-24 06:43:46
4	Steinar Simonnes	935	Haskell	2025-05-28 15:42:59
5	Jan Hrček	1632	Haskell	2019-05-01 17:45:18

#	User	Length	Language	Date
1	Doug Goodman	1013	Java	2018-06-19 19:08:05
2	Micah Stairs	1210	Java	2016-11-07 14:36:01
3	Mehdi Maick	1359	Java	2016-08-08 23:41:26
4	Finn Lidbetter	1395	Java	2018-07-29 00:37:37
5	Jan Štola	1405	Java	2015-05-29 09:42:07
6	Ada Clevinger	1450	Java	2018-07-20 01:14:14
7	HyperPsych	1476	Java	2024-09-25 01:50:57
8	Samarth Upadhya	1521	Java	2021-02-04 14:37:18
9	Jack Alvarez	1536	Java	2025-02-20 21:11:29
10	James Black	1539	Java	2018-07-20 01:30:02

#	User	Length	Language	Date
1	tannal	4808	JavaScript (Node.js)	2025-06-15 06:22:57
2	Stephanie Keck	7233	JavaScript (Node.js)	2020-02-08 01:17:08

#	User	Length	Language	Date
1	Christian Cederquist	987	JavaScript (SpiderMonkey)	2023-07-31 18:53:17
2	Peter Kedemo	1192	JavaScript (SpiderMonkey)	2016-09-26 21:36:16
3	Bjørn Chr. Soltvedt	1764	JavaScript (SpiderMonkey)	2016-07-29 03:55:03

#	User	Length	Language	Date
1	Timothy Gaede	981	Julia	2025-03-28 07:55:52

#	User	Length	Language	Date
1	Adam Koprowski	959	Kotlin	2020-11-23 22:21:20
2	Kelly Dance	1045	Kotlin	2022-11-14 03:46:36
3	Johnny Baloney	1257	Kotlin	2022-02-22 22:22:47
4	Adam Rankin	1272	Kotlin	2023-09-09 03:52:55
5	Hidden user	1454	Kotlin	2020-03-23 04:51:05

#	User	Length	Language	Date
1	Thomas Feld	262	Python 2	2019-10-11 14:39:27
2	Jesper Öqvist	419	Python 2	2018-11-09 00:37:34
3	red@macacm.org	555	Python 2	2016-08-07 22:12:46
4	Hermon Mulat	587	Python 2	2019-02-27 22:58:10
5	Lars Åström	605	Python 2	2018-07-27 12:38:19
6	Joakim Uddholm	626	Python 2	2014-11-24 16:32:13
7	Sivasankaran D	632	Python 2	2025-08-16 14:57:24
8	Juliang Li	672	Python 2	2018-02-17 17:37:45
9	Ivica Huk	770	Python 2	2018-04-29 23:03:14
10	Hidden user	797	Python 2	2018-02-24 13:54:45

#	User	Length	Language	Date
1	Ahmed Chamseddine	256	Python 3	2025-07-08 17:20:34
2	Benjamin Z White	260	Python 3	2023-04-09 20:06:58
3	Jason Clarke	337	Python 3	2024-04-15 22:40:32
4	Hidden user	353	Python 3	2021-11-10 17:18:17
5	Noszály Csaba	358	Python 3	2025-03-02 21:27:49
6	Hidden user	390	Python 3	2021-05-05 09:50:21
7	Oskar Haarklou Veileborg	394	Python 3	2021-01-24 12:15:01
8	Bjørn Dons	402	Python 3	2020-04-30 21:48:10
9	Yong Mao	416	Python 3	2023-09-23 22:55:45
10	Nicholas Russell Saerang	423	Python 3	2023-08-28 10:52:47

#	User	Length	Language	Date
1	Chris Seager	1458	Rust	2025-03-26 14:30:03
2	Bas Dirks	2304	Rust	2022-06-08 09:52:51
3	Pahlevi Fikri Auliya	2880	Rust	2021-02-28 00:10:18
4	Jack Augenstine	5728	Rust	2025-01-24 05:34:05
5	Klas af Geijerstam	6379	Rust	2020-10-09 11:17:16

Solution running time distribution