Problem A
Hardware — Problem Statistics

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Submissions	1167
Accepted submissions	612
Submission ratio	52.44%
Authors	599
Full solves [?]	535
Full solve Ratio	89.32%

#	User	Runtime	Language	Date
1	Ehsan Shoja	0.00 s	C	2018-06-06 04:41:23
2	Ivan Petrov	0.00 s	C	2019-09-10 16:02:21
3	Sambit Palit	0.00 s	C	2020-09-15 20:06:03
4	PhilCampbell	0.00 s	C	2021-02-18 13:55:31
5	Mikael K Eriksson	0.00 s	C	2021-04-05 12:42:49
6	Max Nilsson	0.00 s	C	2022-05-04 17:44:04
7	Mirel Cosulschi	0.00 s	C	2025-03-28 22:50:25

#	User	Runtime	Language	Date
1	Göran Andersson	0.02 s	C#	2022-05-19 17:16:29
2	Mikael Fiala-Lundström	0.03 s	C#	2021-06-07 00:02:21
3	Gustav Junedahl	0.03 s	C#	2022-04-25 15:03:46

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2021-01-16 07:16:24
2	Hidden user	0.02 s	Common Lisp	2019-06-13 04:40:02

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-10-16 10:49:45

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-05-13 20:28:59

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2018-01-07 05:16:28
2	Hidden user	0.00 s	Haskell	2023-01-19 12:08:33
3	Ola Berglund	0.00 s	Haskell	2023-10-12 22:45:00
4	Steinar Simonnes	0.00 s	Haskell	2024-05-23 15:13:26
5	Hidden user	0.01 s	Haskell	2019-10-07 09:46:03
6	Jan Hrček	0.01 s	Haskell	2021-03-19 15:44:55

#	User	Runtime	Language	Date
1	Steven Cheng	0.06 s	Java	2018-05-21 19:12:26
2	Charley Sheaffer	0.06 s	Java	2018-10-17 17:59:23
3	Sven Rönnbäck	0.06 s	Java	2022-02-04 22:36:56
4	Doug Goodman	0.08 s	Java	2017-12-19 19:22:57
5	Tan Wang Leng	0.08 s	Java	2018-07-08 10:03:09
6	Crystal Sharpe	0.08 s	Java	2020-01-01 21:43:22
7	pothyne	0.08 s	Java	2026-01-20 11:24:16
8	Kyle Kelly	0.09 s	Java	2018-05-30 15:44:47
9	Victor A Martynov	0.09 s	Java	2018-09-05 16:15:06
10	Mike Nguyen	0.09 s	Java	2021-10-09 20:07:57

#	User	Runtime	Language	Date
1	LÊ QUANG ANH TUẤN	0.04 s	JavaScript (Node.js)	2025-01-02 14:43:51
2	Gurpartap Singh Bhatti	0.06 s	JavaScript (Node.js)	2019-06-18 06:52:17
3	Peter Kedemo	0.42 s	JavaScript (Node.js)	2020-01-06 19:48:44
4	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-24 19:35:32

#	User	Runtime	Language	Date
1	Fredrik Ekholm	0.01 s	JavaScript (SpiderMonkey)	2017-11-21 19:43:33
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-02-02 23:30:12
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-25 10:40:53
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-12 12:35:50
5	Samuel Jefferis	0.03 s	JavaScript (SpiderMonkey)	2020-10-22 23:18:18
6	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-10-12 14:06:09

#	User	Runtime	Language	Date
1	Timothy Gaede	0.72 s	Julia	2024-05-19 03:37:48

#	User	Runtime	Language	Date
1	Hidden user	0.16 s	Kotlin	2019-12-16 18:36:32
2	Ola Sundell	0.19 s	Kotlin	2018-08-30 13:51:12
3	Adam Rankin	0.19 s	Kotlin	2023-09-15 22:41:04
4	Neil Harmon	0.21 s	Kotlin	2019-07-11 12:21:51
5	Martijn Muijsers	0.21 s	Kotlin	2024-06-02 16:54:11

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-02-22 08:23:09

#	User	Runtime	Language	Date
1	Alexander Westberg-Bladh	0.03 s	Python 2	2017-11-22 16:37:38
2	Johan Wind	0.03 s	Python 2	2018-03-29 20:22:42
3	Nick Wu	0.03 s	Python 2	2018-08-04 03:26:49
4	Jesper Öqvist	0.03 s	Python 2	2018-10-27 10:33:05
5	Andreas Björklund	0.03 s	Python 2	2019-03-10 18:33:03
6	Thomas Feld	0.03 s	Python 2	2019-09-16 08:49:13
7	Justin Su	0.03 s	Python 2	2019-09-28 01:12:07
8	Yanmarshus Bachtiar	0.03 s	Python 2	2020-08-18 15:12:19
9	Johan Lyts	0.03 s	Python 2	2020-12-27 22:08:39

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2017-11-21 18:46:39
2	Nathan Helgeson	0.02 s	Python 3	2017-11-21 21:29:01
3	Ciara Godwin	0.02 s	Python 3	2017-11-23 18:10:49
4	James Hamm	0.02 s	Python 3	2017-12-17 18:23:13
5	Ram Basnet	0.02 s	Python 3	2017-12-31 08:04:48
6	Martin Seiler	0.02 s	Python 3	2018-01-01 10:24:11
7	Hidden user	0.02 s	Python 3	2018-01-20 21:13:01
8	Ryan Beck	0.02 s	Python 3	2018-02-20 23:47:51
9	Noah Ó Donnaile	0.02 s	Python 3	2018-04-11 14:52:04
10	Ranald Lam	0.02 s	Python 3	2018-04-25 08:18:20

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-08-25 15:45:00

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-01-07 05:48:48

#	User	Length	Language	Date
1	Mikael K Eriksson	1054	C	2021-04-05 12:42:49
2	PhilCampbell	1284	C	2021-02-18 13:55:31
3	Ivan Petrov	1376	C	2019-09-10 16:02:21
4	Mirel Cosulschi	1597	C	2025-03-28 22:50:25
5	Ehsan Shoja	1923	C	2018-06-06 04:41:23
6	Sambit Palit	1985	C	2020-09-15 20:06:03
7	Max Nilsson	2631	C	2022-05-04 17:44:04

#	User	Length	Language	Date
1	Göran Andersson	1382	C#	2022-05-19 17:16:29
2	Gustav Junedahl	2204	C#	2022-04-25 15:03:46
3	Mikael Fiala-Lundström	2570	C#	2021-06-07 00:02:21

#	User	Length	Language	Date
1	Duarte Nóbrega	819	C++	2019-03-08 17:30:40
2	Markus Mathiasen	841	C++	2021-09-24 10:06:08
3	William Gan	859	C++	2018-04-25 08:34:16
4	Đoàn Công Chính	908	C++	2018-12-11 10:06:40
5	Grae Yeandle	911	C++	2018-04-03 18:17:45
6	Hyunjun Lee	924	C++	2022-11-10 04:59:27
7	Wen Hao	943	C++	2022-11-19 07:26:00
8	人外沙耶	955	C++	2020-11-03 10:35:45
9	Austin Fernandez	966	C++	2019-08-08 17:53:18
10	Hidden user	982	C++	2018-04-24 04:46:06

#	User	Length	Language	Date
1	David Cawthon	1188	Common Lisp	2021-01-16 07:16:24
2	Hidden user	1470	Common Lisp	2019-06-13 04:40:02

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	2546	F#	2022-10-16 10:49:45

#	User	Length	Language	Date
1	Norbert Voelker	2126	Go	2021-05-13 20:28:59

#	User	Length	Language	Date
1	Hidden user	1284	Haskell	2023-01-19 12:08:33
2	Jan Hrček	1458	Haskell	2021-03-19 15:44:55
3	Ola Berglund	1665	Haskell	2023-10-12 22:45:00
4	Brent Yorgey	2049	Haskell	2018-01-07 05:16:28
5	Steinar Simonnes	2154	Haskell	2024-05-23 15:13:26
6	Hidden user	9124	Haskell	2019-10-07 09:46:03

#	User	Length	Language	Date
1	Doug Goodman	1087	Java	2017-12-19 19:22:57
2	Caeden Whitaker	1114	Java	2020-07-27 16:22:44
3	Jared Rivera	1326	Java	2023-03-17 06:21:57
4	Raymond Arrington	1339	Java	2024-06-30 20:52:03
5	Leo Westerberg	1423	Java	2019-07-03 16:33:05
6	Nanda Thant Sin	1436	Java	2019-08-08 12:53:34
7	Garrison Hatcher	1465	Java	2019-10-27 21:49:17
8	Victor Nguyen	1485	Java	2020-06-21 20:58:34
9	Victor A Martynov	1553	Java	2018-09-05 16:15:06
10	Leon Fong	1573	Java	2021-12-22 04:44:48

#	User	Length	Language	Date
1	Peter Kedemo	1501	JavaScript (Node.js)	2020-01-06 19:48:44
2	Gurpartap Singh Bhatti	1629	JavaScript (Node.js)	2019-06-18 06:52:17
3	LÊ QUANG ANH TUẤN	1974	JavaScript (Node.js)	2025-01-02 14:43:51
4	Andoko Chandra	2138	JavaScript (Node.js)	2020-10-24 19:35:32

#	User	Length	Language	Date
1	Jimmy Gustafsson	404	JavaScript (SpiderMonkey)	2024-08-12 12:37:32
2	Peter Menyes	751	JavaScript (SpiderMonkey)	2021-10-12 14:06:09
3	Bjørn Chr. Soltvedt	774	JavaScript (SpiderMonkey)	2018-02-02 23:30:12
4	Christian Pilegaard Cederquist	924	JavaScript (SpiderMonkey)	2023-01-25 10:40:53
5	Fredrik Ekholm	1177	JavaScript (SpiderMonkey)	2017-11-21 19:43:33
6	Samuel Jefferis	1913	JavaScript (SpiderMonkey)	2020-10-22 23:18:18

#	User	Length	Language	Date
1	Timothy Gaede	1642	Julia	2024-05-19 03:37:48

#	User	Length	Language	Date
1	Adam Rankin	1118	Kotlin	2023-09-15 22:41:04
2	Martijn Muijsers	1643	Kotlin	2024-06-02 16:54:11
3	Hidden user	1840	Kotlin	2019-12-16 18:36:32
4	Neil Harmon	2035	Kotlin	2019-07-11 12:21:51
5	Ola Sundell	2466	Kotlin	2018-08-30 13:51:12

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2638	Pascal	2018-02-22 08:23:09

#	User	Length	Language	Date
1	Thomas Feld	414	Python 2	2019-09-16 08:49:13
2	Justin Su	564	Python 2	2019-09-28 01:12:24
3	Johan Wind	656	Python 2	2018-03-29 20:22:42
4	Andreas Björklund	674	Python 2	2019-03-10 18:33:03
5	Jesper Öqvist	707	Python 2	2018-10-27 10:33:05
6	Johan Lyts	840	Python 2	2020-12-27 22:08:39
7	Nick Wu	940	Python 2	2018-08-04 03:26:49
8	Yanmarshus Bachtiar	1238	Python 2	2020-08-18 15:12:19
9	Alexander Westberg-Bladh	1269	Python 2	2017-11-22 16:37:38

#	User	Length	Language	Date
1	Si Jie Tan	472	Python 3	2026-01-20 09:43:00
2	Thibault Raffaillac	486	Python 3	2020-02-25 15:11:33
3	Yong Mao	501	Python 3	2023-12-08 10:46:05
4	Hidden user	510	Python 3	2020-08-09 01:54:34
5	Yohannes Melese	546	Python 3	2021-09-14 09:48:05
6	Alexei Fedotov	558	Python 3	2019-01-24 13:17:16
7	Ahmed Chamseddine	575	Python 3	2024-12-07 00:08:44
8	Hidden user	602	Python 3	2020-10-20 19:02:42
9	Jason Cannon	612	Python 3	2019-11-21 21:19:32
10	Lim Hong Hui Eugene	625	Python 3	2021-07-06 10:39:26

#	User	Length	Language	Date
1	Kok Dith	641	Ruby	2021-08-25 15:45:00

#	User	Length	Language	Date
1	Bas Dirks	2012	Rust	2022-01-07 05:48:48

Solution running time distribution