Problem A
Illiteracy — Problem Statistics

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Submissions	834
Accepted submissions	406
Submission ratio	48.68%
Authors	313
Accepted authors	279
Author ratio	89.14%

#	User	Runtime	Language	Date
1	Hidden user	0.30 s	C	2024-11-01 21:28:53
2	Bergur Snorrason	0.42 s	C	2021-03-21 15:12:26
3	Ivan Petrov	3.25 s	C	2019-10-10 16:27:35

#	User	Runtime	Language	Date
1	Kjetil Berg	0.11 s	C++	2024-01-31 02:08:57
2	Bernard Teo	0.18 s	C++	2019-06-26 07:27:42
3	Chenzhang Hu	0.26 s	C++	2024-01-22 17:30:53
4	Hidden user	0.28 s	C++	2024-06-04 17:58:53
5	Michael Roberts	0.29 s	C++	2019-08-23 09:01:47
6	高宇	0.29 s	C++	2019-10-12 20:46:44
7	陳威達	0.29 s	C++	2020-04-24 14:53:24
8	鄧佰理	0.34 s	C++	2020-04-24 14:38:10
9	Agis Daniels	0.37 s	C++	2022-02-16 16:56:41
10	Muktaka Joshipura	0.41 s	C++	2018-11-09 02:42:51

#	User	Runtime	Language	Date
1	Norbert Voelker	2.98 s	Go	2021-09-13 21:55:38

#	User	Runtime	Language	Date
1	Steinar Simonnes	1.64 s	Haskell	2025-06-04 12:57:29

#	User	Runtime	Language	Date
1	Bjørn Dons	0.60 s	Java	2018-11-12 02:28:58
2	Taranpreet Singh	0.76 s	Java	2019-10-12 20:14:07
3	Terrence Park	0.83 s	Java	2018-12-12 23:00:02
4	Jacob Huebner	0.86 s	Java	2020-02-24 08:35:49
5	Steven Cheng	0.88 s	Java	2020-04-14 11:27:50
6	Benjamin Reidys	0.95 s	Java	2019-10-12 20:02:07
7	Ryan Looney	1.12 s	Java	2018-11-10 10:40:53
8	Crystal Sharpe	2.26 s	Java	2020-08-02 22:08:40
9	Brent Yorgey	2.47 s	Java	2019-11-27 03:53:49
10	Nicholas Johnson	2.58 s	Java	2022-03-14 02:37:51

#	User	Runtime	Language	Date
1	Bernard Perrin	1.76 s	JavaScript (SpiderMonkey)	2019-02-21 14:49:40
2	Christian Cederquist	8.84 s	JavaScript (SpiderMonkey)	2023-07-23 12:12:07

#	User	Runtime	Language	Date
1	Adam Rankin	8.58 s	Kotlin	2023-09-15 03:54:19

#	User	Runtime	Language	Date
1	Jesper Öqvist	2.65 s	Python 2	2018-11-10 01:38:35
2	Godmar Back	4.55 s	Python 2	2019-10-15 05:46:07
3	Jared Gillespie	4.71 s	Python 2	2018-11-04 16:15:28
4	Hermon Mulat	5.54 s	Python 2	2019-01-22 05:24:25
5	Thomas Feld	5.99 s	Python 2	2019-12-10 11:49:37
6	Johann Ly	6.48 s	Python 2	2019-01-14 05:27:42
7	Måns Magnusson	8.41 s	Python 2	2018-12-02 20:23:51

#	User	Runtime	Language	Date
1	Isaac Lee	2.11 s	Python 3	2021-11-29 05:13:15
2	Vegard Haugland	5.12 s	Python 3	2024-01-25 21:49:26
3	Gerth Stølting Brodal	5.16 s	Python 3	2021-03-06 13:35:51
4	Nhan Nguyen	5.57 s	Python 3	2020-10-04 20:53:08
5	Askild Heiret	5.57 s	Python 3	2024-01-30 15:57:05
6	Lars Haukland	5.72 s	Python 3	2024-02-01 12:40:24
7	Aljaz	5.78 s	Python 3	2024-06-20 15:55:07
8	Peter Stauder	6.16 s	Python 3	2023-03-10 21:00:30
9	Ludvik Olai Slipersæter	6.24 s	Python 3	2024-01-26 15:46:13
10	Hyungyo Seo	6.26 s	Python 3	2024-12-03 14:05:20

#	User	Runtime	Language	Date
1	Hovig Manjikian	0.07 s	Rust	2019-12-17 21:39:00
2	Hovig Manjikian	0.07 s	Rust	2019-12-22 15:04:49
3	Matias Frank Jensen	0.36 s	Rust	2021-03-06 13:38:31
4	Ole Vik Lysne	1.04 s	Rust	2024-01-28 17:12:13
5	Bas Dirks	1.14 s	Rust	2024-02-22 19:10:56
6	Sebastian Refsnes	1.88 s	Rust	2024-01-29 16:24:34
7	gard heine kalland	4.68 s	Rust	2024-02-11 13:42:15

#	User	Length	Language	Date
1	Bergur Snorrason	2773	C	2021-03-21 15:12:26
2	Hidden user	5329	C	2024-11-01 21:28:53
3	Ivan Petrov	8748	C	2019-10-10 16:27:35

#	User	Length	Language	Date
1	Johan Wind	1129	C++	2018-11-17 18:32:18
2	Hidden user	1335	C++	2021-03-06 13:48:26
3	Hidden user	1419	C++	2020-12-27 01:26:22
4	Markus Mathiasen	1449	C++	2021-03-06 14:54:49
5	Christian Yongwhan Lim	1462	C++	2024-12-30 04:59:12
6	Phillo Tunru	1529	C++	2023-10-27 05:04:53
7	Ryan McCampbell	1554	C++	2018-11-08 06:33:13
8	Michael Earl	1557	C++	2018-11-07 04:27:43
9	Nathan Leake	1557	C++	2018-11-09 02:31:28
10	Oskar Haarklou Veileborg	1612	C++	2021-03-06 12:34:15

#	User	Length	Language	Date
1	Norbert Voelker	2287	Go	2021-09-13 21:48:50

#	User	Length	Language	Date
1	Steinar Simonnes	3615	Haskell	2025-06-04 13:05:08

#	User	Length	Language	Date
1	Emil Bak-Møller	1644	Java	2021-08-03 02:00:35
2	Joey Woodson	1935	Java	2018-11-18 00:00:45
3	Ryan Looney	2200	Java	2018-11-10 10:40:53
4	Doug Goodman	2223	Java	2019-05-14 15:37:59
5	Benjamin Reidys	2414	Java	2019-10-12 20:02:07
6	Natalie Longtin	2604	Java	2018-11-08 00:28:26
7	Crystal Sharpe	2696	Java	2020-08-02 22:08:40
8	Brent Yorgey	2980	Java	2019-11-27 03:53:49
9	Brennan Cleland	3138	Java	2022-11-02 01:35:56
10	Matthew Tennyson	3214	Java	2018-11-07 05:01:39

#	User	Length	Language	Date
1	Bernard Perrin	2604	JavaScript (SpiderMonkey)	2019-01-30 11:45:28
2	Christian Cederquist	3202	JavaScript (SpiderMonkey)	2023-07-23 12:12:07

#	User	Length	Language	Date
1	Adam Rankin	3548	Kotlin	2023-09-15 03:54:19

#	User	Length	Language	Date
1	Thomas Feld	744	Python 2	2019-12-10 11:49:37
2	Hermon Mulat	1269	Python 2	2019-01-22 05:24:25
3	Måns Magnusson	1342	Python 2	2018-12-02 20:23:51
4	Jesper Öqvist	1770	Python 2	2018-11-10 01:38:35
5	Jared Gillespie	1772	Python 2	2018-11-04 16:15:28
6	Godmar Back	1874	Python 2	2019-10-15 05:46:07
7	Johann Ly	2510	Python 2	2019-01-14 05:27:42

#	User	Length	Language	Date
1	Michael Goldwasser	638	Python 3	2024-03-25 01:27:33
2	Peter Stauder	1082	Python 3	2023-03-10 21:12:31
3	Vegard Haugland	1086	Python 3	2024-01-25 22:41:19
4	Nicholas Russell Saerang	1246	Python 3	2023-08-25 12:29:19
5	Sidharth Sundar	1535	Python 3	2023-02-18 22:45:12
6	Simen Sørensen	1640	Python 3	2024-10-29 04:29:22
7	Julie Hodneland	1662	Python 3	2024-01-28 22:23:18
8	Gerth Stølting Brodal	1716	Python 3	2021-03-06 13:35:51
9	Ben Coverston	1725	Python 3	2020-10-04 07:44:06
10	August Tidemann Klevberg	1760	Python 3	2024-02-01 19:37:08

#	User	Length	Language	Date
1	Ole Vik Lysne	2638	Rust	2024-01-28 16:42:56
2	Sebastian Refsnes	3100	Rust	2024-01-29 16:24:34
3	Bas Dirks	3118	Rust	2024-02-22 19:10:56
4	gard heine kalland	3297	Rust	2024-02-11 13:43:00
5	Matias Frank Jensen	3987	Rust	2021-03-06 13:38:31
6	Hovig Manjikian	8664	Rust	2019-12-15 15:44:11
7	Hovig Manjikian	9215	Rust	2019-12-22 15:04:49

Solution running time distribution