Problem A
An I for an Eye — Problem Statistics

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Submissions	2732
Accepted submissions	743
Submission ratio	27.20%
Authors	818
Full solves [?]	607
Full solve Ratio	74.21%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2018-11-16 15:25:55
2	Sindri Frostason	0.00 s	C	2019-01-17 23:14:57
3	Andrea Sigurðardóttir	0.00 s	C	2019-01-21 00:48:29
4	Khang Trần	0.00 s	C	2019-08-01 04:02:16
5	Seth Carter	0.00 s	C	2019-09-30 23:10:55
6	Hidden user	0.00 s	C	2019-11-27 18:03:45
7	Ioannis Br	0.00 s	C	2024-12-18 21:20:49
8	Oliver Degnemark Larsen	0.00 s	C	2025-04-21 15:04:50

#	User	Runtime	Language	Date
1	Håvard Stuberg	0.02 s	C#	2019-05-18 21:50:40
2	Adam Imbert	0.02 s	C#	2021-07-26 00:09:05
3	Yuwono Bangun Nagoro	0.02 s	C#	2022-09-08 18:42:22
4	Alexander Yoshida	0.03 s	C#	2020-03-11 22:53:18
5	Miguel Fernando Tansingco	0.03 s	C#	2020-10-25 18:40:07
6	Ahmad Barhamje	0.03 s	C#	2022-12-08 13:12:56
7	Jan Matthiessen	0.05 s	C#	2020-07-25 22:47:50
8	Matthew Tingum	0.06 s	C#	2019-11-26 19:38:36
9	Narod Gars Garabedian	0.06 s	C#	2023-06-04 16:13:43
10	Michael Damsgaard	0.07 s	C#	2024-11-25 23:58:16

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Go	2021-12-09 17:01:20

#	User	Runtime	Language	Date
1	Øyvind Almli	0.00 s	Haskell	2021-11-18 13:04:12
2	Hidden user	0.00 s	Haskell	2023-01-02 22:17:12
3	Hidden user	0.01 s	Haskell	2019-01-20 11:33:15
4	Anders Christiansen Sørby	0.01 s	Haskell	2019-12-06 22:33:11
5	Brent Yorgey	0.01 s	Haskell	2020-12-27 22:35:29

#	User	Runtime	Language	Date
1	Ranjith M	0.04 s	Java	2025-10-20 01:25:25
2	Danniel Alcantara	0.06 s	Java	2024-02-19 01:48:49
3	Steven Cheng	0.07 s	Java	2020-05-29 22:11:15
4	Hidden user	0.08 s	Java	2020-05-29 21:47:54
5	Rene Argento	0.08 s	Java	2021-06-03 00:37:41
6	Bjørn Dons	0.09 s	Java	2018-12-25 20:50:28
7	Kevin Lim Yong Shen	0.09 s	Java	2020-12-10 03:43:20
8	Aston Wiggin	0.09 s	Java	2024-09-28 19:48:17
9	Andrew Polizzotto	0.10 s	Java	2021-01-05 01:20:33
10	Ishtiaq Hussain Naqi	0.10 s	Java	2023-01-09 19:14:04

#	User	Runtime	Language	Date
1	Peter Kedemo	0.42 s	JavaScript (Node.js)	2022-01-13 16:20:33

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-08-17 23:50:07
2	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2019-12-22 10:41:53

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2021-05-29 06:12:26
2	Henning Koehler	0.19 s	Kotlin	2018-11-11 06:21:58
3	Nicholas Johnson	0.25 s	Kotlin	2020-03-13 00:27:04

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Perl	2025-07-16 22:57:21

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	Prolog	2025-12-25 09:02:53

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.03 s	Python 2	2018-11-10 14:41:25
2	Oskar Haarklou Veileborg	0.03 s	Python 2	2018-11-21 11:01:50
3	Eoin Davey	0.03 s	Python 2	2018-11-30 03:44:14
4	Garðar Ingvarsson	0.03 s	Python 2	2019-01-14 14:59:05
5	Guan Yang Ze	0.03 s	Python 2	2020-02-11 18:19:33
6	Yanmarshus Bachtiar	0.03 s	Python 2	2020-10-11 07:38:46
7	Mikhail Andrenkov	0.04 s	Python 2	2018-11-10 04:57:13
8	Vifill Sverrisson	0.04 s	Python 2	2018-11-14 22:09:18
9	Johann Ly	0.04 s	Python 2	2019-01-13 19:57:12
10	Hidden user	0.04 s	Python 2	2019-10-23 01:24:43

#	User	Runtime	Language	Date
1	Keegan Poon	0.02 s	Python 3	2018-11-10 04:48:36
2	Patrick Devaney	0.02 s	Python 3	2018-11-13 02:29:36
3	Adam Vandolder	0.02 s	Python 3	2018-11-13 21:30:18
4	Christofer Ohlsson	0.02 s	Python 3	2018-11-15 14:09:05
5	Mark van Helvoort	0.02 s	Python 3	2018-11-21 12:41:36
6	Ram Basnet	0.02 s	Python 3	2018-11-25 22:37:21
7	Fríða Snædís Jóhannesdóttir	0.02 s	Python 3	2019-01-16 11:46:21
8	Andreja Lapajne	0.02 s	Python 3	2019-03-13 21:01:04
9	Chaitanya Baranwal	0.02 s	Python 3	2019-05-10 11:59:02
10	Joel Ottosson	0.02 s	Python 3	2019-07-07 13:31:02

#	User	Runtime	Language	Date
1	Christofer Nolander	0.00 s	Rust	2018-11-27 18:53:01
2	Hidden user	0.00 s	Rust	2019-12-11 02:14:13
3	Pahlevi Fikri Auliya	0.00 s	Rust	2020-11-03 00:56:22
4	Bas Dirks	0.00 s	Rust	2022-05-08 17:54:41
5	Daniel Anker Hermansen	0.00 s	Rust	2023-06-24 13:27:12
6	Gibransyah	0.00 s	Rust	2025-06-11 14:19:59
7	Artur Khuziakhmetov	0.00 s	Rust	2025-11-19 15:10:01

#	User	Runtime	Language	Date
1	Danial Haseeb	0.01 s	Swift	2023-09-29 09:49:26

#	User	Length	Language	Date
1	Seth Carter	1609	C	2019-09-30 23:10:55
2	Ioannis Br	2216	C	2024-12-18 21:20:49
3	Andrea Sigurðardóttir	2262	C	2019-01-21 00:48:29
4	Sindri Frostason	2715	C	2019-01-17 23:14:57
5	Hidden user	5372	C	2019-11-27 18:03:45
6	Khang Trần	7583	C	2019-08-01 04:02:16
7	Bergur Snorrason	9063	C	2018-11-16 15:25:55
8	Oliver Degnemark Larsen	10470	C	2025-04-21 15:04:50

#	User	Length	Language	Date
1	Matthew Tingum	1486	C#	2019-11-26 19:38:36
2	Alexander Yoshida	1576	C#	2020-03-11 22:53:18
3	Ahmad Barhamje	2053	C#	2022-12-08 13:12:56
4	Narod Gars Garabedian	2094	C#	2023-06-04 16:13:43
5	Michael Damsgaard	2759	C#	2024-11-25 23:58:16
6	Miguel Fernando Tansingco	2804	C#	2020-10-25 18:40:07
7	Yuwono Bangun Nagoro	4310	C#	2022-09-08 18:42:22
8	Håvard Stuberg	6792	C#	2019-05-18 21:50:40
9	Adam Imbert	7433	C#	2021-07-26 00:09:05
10	Jan Matthiessen	7972	C#	2020-07-25 22:47:50

#	User	Length	Language	Date
1	Hyunjun Lee	886	C++	2022-11-11 07:05:33
2	David Zheng	970	C++	2018-12-22 22:15:03
3	Johan Wind	989	C++	2018-11-10 23:29:42
4	Hải Minh	1012	C++	2020-02-01 11:36:16
5	Armen Andreasyan	1053	C++	2019-06-02 15:35:43
6	Hidden user	1116	C++	2020-03-21 23:56:09
7	Neal Zane	1122	C++	2019-01-06 22:03:53
8	Hidden user	1180	C++	2019-09-01 15:57:21
9	Simon Lindholm	1240	C++	2020-09-15 23:59:57
10	Ryan Kells	1272	C++	2025-02-22 04:57:13

#	User	Length	Language	Date
1	Hidden user	1172	Go	2021-12-09 17:01:20

#	User	Length	Language	Date
1	Øyvind Almli	1690	Haskell	2021-11-18 13:04:12
2	Hidden user	1920	Haskell	2019-01-20 11:33:15
3	Anders Christiansen Sørby	2065	Haskell	2019-12-06 22:33:11
4	Brent Yorgey	2486	Haskell	2020-12-27 22:35:29
5	Hidden user	5742	Haskell	2023-01-02 22:17:12

#	User	Length	Language	Date
1	Anton Sandin	1263	Java	2022-05-03 11:07:45
2	niketa p	1276	Java	2021-04-03 19:57:26
3	Doug Goodman	1320	Java	2018-12-31 16:27:35
4	Ben Blodgett	1345	Java	2023-06-05 15:28:54
5	Sarmed Ahmed Usmani	1354	Java	2022-12-17 10:05:04
6	Helgi Sigtryggsson	1576	Java	2019-01-15 15:23:04
7	Yahya Fati Haji	1972	Java	2019-08-24 07:41:26
8	Aung Minn Khant	1997	Java	2019-01-09 16:48:05
9	Ian Carpenter-Suhy	2125	Java	2022-11-02 00:51:14
10	Samarth Upadhya	2340	Java	2021-10-15 20:20:25

#	User	Length	Language	Date
1	Peter Kedemo	1529	JavaScript (Node.js)	2022-01-13 16:20:33

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1115	JavaScript (SpiderMonkey)	2023-08-17 23:50:07
2	Bjørn Chr. Soltvedt	1282	JavaScript (SpiderMonkey)	2019-12-22 10:41:53

#	User	Length	Language	Date
1	Nicholas Johnson	1456	Kotlin	2020-03-13 00:27:04
2	Henning Koehler	1499	Kotlin	2018-11-11 06:21:58
3	Jacob Huebner	7634	Kotlin	2021-05-29 06:12:26

#	User	Length	Language	Date
1	Javier Gómez Díaz	256	Perl	2025-07-16 23:12:50

#	User	Length	Language	Date
1	Andriy Zyevakov	6055	Prolog	2025-12-25 09:02:53

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	716	Python 2	2018-11-21 11:01:50
2	Hidden user	734	Python 2	2019-10-23 01:26:10
3	Klas af Geijerstam	975	Python 2	2018-11-10 14:41:25
4	Sivasankaran D	985	Python 2	2026-02-02 06:58:23
5	Guan Yang Ze	1046	Python 2	2020-02-11 18:19:33
6	Gibransyah	1058	Python 2	2022-03-21 00:26:04
7	Yanmarshus Bachtiar	1292	Python 2	2020-10-11 07:38:46
8	Garðar Ingvarsson	1474	Python 2	2019-01-14 14:59:05
9	Johann Ly	1577	Python 2	2019-01-13 19:57:12
10	Mikhail Andrenkov	1794	Python 2	2018-11-10 04:57:13

#	User	Length	Language	Date
1	Theo Coyne Morgan	353	Python 3	2023-04-11 15:47:02
2	Stephen Hoag	399	Python 3	2022-11-02 01:51:40
3	Isaac Saffold	416	Python 3	2024-04-18 19:26:29
4	Charles Ancheta	460	Python 3	2023-04-19 22:02:08
5	Si Jie Tan	499	Python 3	2026-01-10 02:21:39
6	Kyle Wells	611	Python 3	2025-02-19 03:13:50
7	Jason Clarke	631	Python 3	2024-06-13 22:44:58
8	Joey Tribianni	649	Python 3	2022-09-07 21:09:35
9	Yohannes Melese	649	Python 3	2022-09-07 21:10:06
10	Carl Forsinge	736	Python 3	2024-10-29 03:20:51

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1398	Rust	2025-11-19 15:10:01
2	Bas Dirks	3054	Rust	2022-05-08 17:54:41
3	Gibransyah	3464	Rust	2025-06-11 14:19:59
4	Pahlevi Fikri Auliya	3691	Rust	2020-11-03 00:56:22
5	Christofer Nolander	4623	Rust	2018-11-27 18:53:01
6	Hidden user	6073	Rust	2019-12-11 02:14:38
7	Daniel Anker Hermansen	24257	Rust	2023-06-24 13:27:12

#	User	Length	Language	Date
1	Danial Haseeb	1449	Swift	2023-09-29 10:03:32

Solution running time distribution