Problem A
Eko — Problem Statistics

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Submissions	1660
Accepted submissions	504
Submission ratio	30.36%
Authors	435
Full solves [?]	349
Full solve Ratio	80.23%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.04 s	C	2019-10-18 13:09:09
2	Ivan Petrov	0.12 s	C	2020-01-14 09:13:26
3	Josenildo Silva	0.13 s	C	2021-06-12 19:55:15
4	Lars Kirkholt Melhus	0.21 s	C	2018-10-04 21:32:59
5	Eyleifur Bjarkason	0.66 s	C	2019-10-19 21:39:07

#	User	Runtime	Language	Date
1	Peter Cederqvist	0.25 s	C#	2025-08-18 19:43:41
2	Fredrik Baldhagen	0.41 s	C#	2024-10-09 00:16:09
3	Viktor Wesström	0.53 s	C#	2018-09-30 18:47:03
4	Hamdanil Rasyid	0.63 s	C#	2025-01-10 18:42:33
5	Shiyi Du	0.76 s	C#	2019-09-17 06:20:12

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	C++	2019-02-24 11:16:58
2	Hans Tananda	0.05 s	C++	2019-12-28 08:02:30
3	Frank Endriss	0.05 s	C++	2021-10-21 11:41:51
4	Leif Eriksson	0.05 s	C++	2023-03-27 15:36:17
5	Quanwen Chen	0.06 s	C++	2022-09-30 12:06:23
6	Theodor Beskow	0.06 s	C++	2023-10-31 12:28:30
7	Teh Nian Fei	0.10 s	C++	2019-04-11 12:36:21
8	Jay Lim	0.10 s	C++	2019-04-23 10:55:12
9	Miska Kananen	0.11 s	C++	2018-09-29 11:10:02
10	Björn Martinsson	0.11 s	C++	2018-09-29 11:43:39

#	User	Runtime	Language	Date
1	Luana	0.73 s	F#	2022-08-12 07:55:49

#	User	Runtime	Language	Date
1	Andriy Zyevakov	1.96 s	Go	2019-07-11 12:50:09

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.31 s	Haskell	2025-02-06 14:50:41

#	User	Runtime	Language	Date
1	Choo Jun Inn Darren	0.22 s	Java	2024-12-09 17:01:46
2	Herman Appelgren	0.35 s	Java	2018-09-29 11:38:37
3	Magnar Myrtveit	0.36 s	Java	2018-10-05 08:33:27
4	Antony Lee	0.43 s	Java	2018-10-05 11:13:45
5	Cameron Bedard	0.43 s	Java	2019-09-17 03:29:35
6	manuel alejandro sierra garzon	0.43 s	Java	2025-03-22 21:09:42
7	Darrin Wiley	0.44 s	Java	2019-10-17 23:06:01
8	Shreyas Jamadagni	0.44 s	Java	2024-09-24 11:23:53
9	Lim Shao Qi	0.45 s	Java	2024-10-01 10:27:53
10	Benjamin Reidys	0.50 s	Java	2019-12-21 17:03:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.35 s	JavaScript (SpiderMonkey)	2019-04-02 19:20:10

#	User	Runtime	Language	Date
1	Timothy Gaede	1.03 s	Julia	2024-07-30 07:58:55

#	User	Runtime	Language	Date
1	Adam Rankin	1.80 s	Kotlin	2023-10-26 04:27:42

#	User	Runtime	Language	Date
1	Kevin Tang	0.32 s	Python 2	2019-12-31 01:41:42
2	David Lolck	0.33 s	Python 2	2018-09-29 11:21:37
3	Frederik Højholt	0.33 s	Python 2	2018-09-29 11:49:15
4	Øyvind Haarberg	0.33 s	Python 2	2018-10-05 15:06:51
5	Andreas Björklund	0.35 s	Python 2	2019-08-22 08:55:00
6	Lars Åström	0.35 s	Python 2	2019-10-16 15:00:27
7	Fatima Afzali	0.37 s	Python 2	2018-09-29 19:29:34
8	Hermon Mulat	0.37 s	Python 2	2019-02-26 00:25:18
9	Björn Magnusson	0.40 s	Python 2	2018-10-05 09:06:17
10	Firat Kiyak	0.42 s	Python 2	2018-09-29 13:22:44

#	User	Runtime	Language	Date
1	Enrique Javier Cobo Jimenez	0.37 s	Python 3	2024-09-28 19:37:16
2	Klara Liaaen Aronsen	0.38 s	Python 3	2024-04-17 11:52:20
3	Praket Chavan	0.39 s	Python 3	2022-09-30 14:06:59
4	Paulius Dovidaitis	0.39 s	Python 3	2022-09-30 14:35:28
5	Nicholas Russell Saerang	0.39 s	Python 3	2024-04-30 08:01:04
6	crapcode	0.40 s	Python 3	2022-05-07 14:33:23
7	Noah Hessen Bjerke	0.40 s	Python 3	2024-04-17 10:36:32
8	Nestor “NestorXD” Ortiz	0.40 s	Python 3	2025-03-22 21:31:52
9	Angel Lara Saenz	0.40 s	Python 3	2025-07-28 04:16:06
10	Casey Devet	0.40 s	Python 3	2025-11-27 21:10:12

#	User	Runtime	Language	Date
1	Thomas Feld	0.69 s	Ruby	2023-06-30 11:22:18

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.04 s	Rust	2024-07-28 00:28:25
2	Mathias Svensson	0.17 s	Rust	2019-09-20 12:40:51
3	Arnav Sastry	0.18 s	Rust	2022-03-28 04:24:07

#	User	Length	Language	Date
1	Josenildo Silva	402	C	2021-06-12 19:55:15
2	Ivan Petrov	542	C	2020-01-14 09:13:26
3	Lars Kirkholt Melhus	1161	C	2018-10-04 21:32:59
4	Bergur Snorrason	1743	C	2019-10-18 13:07:32
5	Eyleifur Bjarkason	5111	C	2019-10-19 21:39:07

#	User	Length	Language	Date
1	Hamdanil Rasyid	998	C#	2025-01-10 18:42:33
2	Fredrik Baldhagen	1187	C#	2024-10-09 00:16:09
3	Shiyi Du	1323	C#	2019-09-17 06:20:12
4	Viktor Wesström	1455	C#	2018-09-30 18:47:03
5	Peter Cederqvist	2399	C#	2025-08-18 19:43:41

#	User	Length	Language	Date
1	anh Nguyen	361	C++	2019-04-06 04:40:51
2	Henrik Lievonen	377	C++	2018-09-29 11:34:25
3	Phúc Nguyễn Trí	386	C++	2019-04-06 03:43:33
4	Nam Tạ Công	419	C++	2019-04-06 03:33:16
5	Jalvin Chan Jia Xiang	431	C++	2020-03-30 18:18:16
6	Wei Quan Lai	437	C++	2022-03-05 06:42:53
7	Johan Wind	449	C++	2018-10-02 13:18:01
8	Hải Minh	462	C++	2020-04-06 03:54:27
9	Yupeng Gu	469	C++	2019-04-13 01:06:27
10	Clement Oh	470	C++	2024-01-11 09:05:43

#	User	Length	Language	Date
1	Luana	601	F#	2022-08-12 07:55:49

#	User	Length	Language	Date
1	Andriy Zyevakov	1834	Go	2019-07-11 12:50:09

#	User	Length	Language	Date
1	Steinar Simonnes	921	Haskell	2025-02-06 14:52:28

#	User	Length	Language	Date
1	Crystal Sharpe	817	Java	2020-06-06 02:36:11
2	Casey Devet	857	Java	2025-11-27 22:22:30
3	Doug Goodman	910	Java	2019-01-18 21:36:47
4	Choo Jun Inn Darren	930	Java	2024-09-27 13:31:31
5	Antony Lee	938	Java	2018-10-05 11:13:45
6	Sagar Pandey	1080	Java	2024-07-03 11:23:42
7	Hidden user	1090	Java	2018-10-23 01:16:48
8	Pratyush Rai	1111	Java	2024-07-03 11:27:06
9	Noel Lim	1121	Java	2024-09-06 06:28:46
10	shrestha sengupta	1123	Java	2024-07-03 10:50:26

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	688	JavaScript (SpiderMonkey)	2019-04-02 19:20:10

#	User	Length	Language	Date
1	Timothy Gaede	789	Julia	2024-07-30 07:58:55

#	User	Length	Language	Date
1	Adam Rankin	940	Kotlin	2023-10-26 04:27:42

#	User	Length	Language	Date
1	Lars Åström	299	Python 2	2019-10-16 15:00:27
2	Andreas Björklund	302	Python 2	2019-08-22 08:55:00
3	David Lolck	311	Python 2	2018-09-29 11:21:37
4	Björn Magnusson	323	Python 2	2018-10-05 09:06:17
5	Kevin Tang	344	Python 2	2019-12-31 01:39:55
6	Fatima Afzali	445	Python 2	2018-09-29 19:29:34
7	Frederik Højholt	455	Python 2	2018-09-29 11:49:15
8	Felix Balthasar Berief	475	Python 2	2018-09-29 12:47:44
9	Øyvind Haarberg	521	Python 2	2018-10-05 15:06:51
10	Hermon Mulat	571	Python 2	2019-02-26 00:26:09

#	User	Length	Language	Date
1	Benjamin Z White	147	Python 3	2023-06-24 15:43:20
2	Yong Mao	164	Python 3	2023-07-01 02:34:19
3	Timothy Baeckelant	170	Python 3	2024-04-21 18:38:59
4	Lennart Meyling	176	Python 3	2024-06-21 12:38:28
5	Clement Oh	208	Python 3	2023-09-26 14:07:57
6	Gustav Elmqvist	210	Python 3	2023-03-27 22:58:38
7	Teikn Smith	223	Python 3	2022-07-13 06:47:18
8	Junghoo Kim	233	Python 3	2019-04-12 20:57:16
9	Thibault Ea	246	Python 3	2023-03-13 23:31:30
10	poppyer	250	Python 3	2021-07-06 06:28:31

#	User	Length	Language	Date
1	Thomas Feld	86	Ruby	2023-06-30 11:28:53

#	User	Length	Language	Date
1	Mathias Svensson	851	Rust	2019-09-20 12:40:51
2	Arnav Sastry	2862	Rust	2022-03-28 04:24:07
3	Vincent Lagerros	10912	Rust	2024-07-28 00:29:50

Solution running time distribution