Problem A
Hidden Words — Problem Statistics

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Submissions	2090
Accepted submissions	555
Submission ratio	26.56%
Authors	336
Full solves [?]	239
Full solve Ratio	71.13%

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	C	2019-04-15 01:13:49
2	Amar Topalovic	0.10 s	C	2019-05-15 06:13:52
3	Ivan Petrov	0.24 s	C	2019-11-04 14:54:27
4	Mirel Cosulschi	0.35 s	C	2023-11-20 19:17:38

#	User	Runtime	Language	Date
1	Arnav Sastry	0.02 s	C++	2018-12-17 02:45:52
2	Mohammad Sadeghi	0.02 s	C++	2019-08-12 08:32:26
3	Kadin Tang	0.05 s	C++	2022-01-30 19:32:50
4	Kenneth Langedal	0.06 s	C++	2019-11-27 23:39:47
5	Gabriel Chai	0.06 s	C++	2022-02-05 21:47:34
6	npucfy	0.06 s	C++	2022-02-13 18:47:41
7	Duarte Nóbrega	0.07 s	C++	2019-08-29 16:11:27
8	Moses Xu	0.07 s	C++	2022-02-05 21:04:37
9	Robert Lee	0.07 s	C++	2022-02-06 23:13:42
10	Ian DeHaan	0.08 s	C++	2022-02-05 18:53:30

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.14 s	Java	2020-02-08 18:01:00
2	Mike Nguyen	0.28 s	Java	2022-01-30 19:27:21
3	Jakob Kallestad	0.34 s	Java	2019-03-09 16:14:10
4	Bjørn Dons	0.37 s	Java	2018-12-28 19:36:51
5	Petter Daae	0.37 s	Java	2019-05-20 11:17:50
6	Joachim Morken	0.45 s	Java	2019-05-30 14:49:22
7	Benjamin Reidys	0.61 s	Java	2019-07-11 14:43:53
8	Sébastien Paumier	0.71 s	Java	2018-11-10 13:52:14
9	Hidden user	0.71 s	Java	2019-05-19 20:37:55
10	Daniel Lansdaal	0.79 s	Java	2019-05-08 14:11:53

#	User	Runtime	Language	Date
1	Phường Lên	0.58 s	Kotlin	2020-05-21 06:15:28
2	Nicholas Johnson	1.11 s	Kotlin	2022-02-05 19:54:56

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.41 s	Python 2	2020-02-08 18:21:33
2	Hidden user	0.58 s	Python 2	2019-04-11 20:10:29
3	Andreas Björklund	0.77 s	Python 2	2018-12-23 16:53:33
4	Panteon Panteon	0.88 s	Python 2	2021-03-20 09:34:01
5	Hidden user	0.88 s	Python 2	2021-03-20 09:57:05
6	Oskar Haarklou Veileborg	0.98 s	Python 2	2019-11-22 12:33:09
7	Øyvind Haarberg	1.37 s	Python 2	2018-11-11 20:56:03
8	Hidden user	1.53 s	Python 2	2018-12-08 19:22:07
9	Greg Hamerly	1.59 s	Python 2	2019-01-23 21:09:14
10	Erik Tjøswold	1.99 s	Python 2	2018-12-03 21:30:41

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.47 s	Python 3	2020-02-08 18:20:52
2	Brandon Young	0.64 s	Python 3	2022-01-30 20:42:03
3	Jacob Molin	0.75 s	Python 3	2025-04-28 14:32:08
4	crapcode	0.88 s	Python 3	2022-05-04 15:04:05
5	Rachel Krohn	0.88 s	Python 3	2025-09-08 23:21:31
6	Adin Ilfeld	0.89 s	Python 3	2022-02-05 20:00:49
7	Nicholas Russell Saerang	0.91 s	Python 3	2024-05-25 01:51:36
8	Braydon Hunt	0.98 s	Python 3	2022-02-16 02:22:33
9	Hidden user	1.00 s	Python 3	2021-08-25 00:49:22
10	UPT_Ed_Edd_n_Eddy	1.04 s	Python 3	2021-03-20 07:58:17

#	User	Runtime	Language	Date
1	Rasmus Andersson	0.07 s	Rust	2024-03-27 09:19:55
2	Hidden user	0.10 s	Rust	2019-12-11 01:41:24
3	Iker Lissarrague	0.16 s	Rust	2023-10-08 23:55:42
4	Emil Hultcrantz	0.16 s	Rust	2025-03-24 13:53:51
5	Vincent Lagerros	0.19 s	Rust	2024-05-23 23:46:11
6	Hidden user	0.24 s	Rust	2025-09-19 18:34:09
7	Christoffer Andersson	0.48 s	Rust	2024-03-26 10:31:15
8	Fiat Driver	0.52 s	Rust	2023-07-01 16:44:06
9	Nicolas Costes	1.35 s	Rust	2019-10-30 10:46:24

#	User	Length	Language	Date
1	Amar Topalovic	1848	C	2019-04-23 08:01:12
2	Ivan Petrov	1903	C	2019-11-04 14:54:27
3	Mirel Cosulschi	1909	C	2023-11-20 19:17:38
4	Hidden user	2004	C	2019-04-14 21:10:40

#	User	Length	Language	Date
1	Mohammad Sadeghi	710	C++	2024-05-16 11:50:38
2	Johan Wind	799	C++	2018-11-14 14:03:13
3	2076 - Mahmodol Hassan Monna	836	C++	2024-09-16 13:06:17
4	David Zheng	850	C++	2018-12-08 02:20:00
5	Nguyễn Thành Minh	931	C++	2022-02-05 22:10:59
6	Marian Dietz	944	C++	2022-02-05 18:52:39
7	Matt	952	C++	2021-10-19 15:40:49
8	Md Ahad	952	C++	2025-11-12 18:06:38
9	Vlad Negoita	972	C++	2021-10-19 15:35:05
10	Ernest Ng Zi Xuan	1003	C++	2024-07-05 01:40:55

#	User	Length	Language	Date
1	Hidden user	1249	Java	2019-08-22 05:23:42
2	Doug Goodman	1499	Java	2019-05-01 17:50:52
3	Suhas T. Nagar	1648	Java	2022-02-06 22:51:13
4	Mason Wiedow	1875	Java	2025-09-16 22:15:33
5	Benjamin Reidys	1900	Java	2019-07-11 14:43:53
6	Troels Bjerre Lund	2153	Java	2020-02-08 18:01:00
7	Sam Zheng	2231	Java	2022-02-05 20:20:11
8	chirurg	2861	Java	2025-03-26 19:32:13
9	Petter Daae	2948	Java	2019-05-20 11:17:50
10	André Berge	3056	Java	2018-11-11 10:56:44

#	User	Length	Language	Date
1	Phường Lên	3300	Kotlin	2020-05-21 06:15:28
2	Nicholas Johnson	4853	Kotlin	2022-02-05 19:54:56

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	658	Python 2	2019-11-22 12:33:09
2	Andreas Björklund	678	Python 2	2018-12-23 16:53:33
3	Hidden user	714	Python 2	2018-12-08 19:22:07
4	Panteon Panteon	748	Python 2	2021-03-20 09:34:01
5	Troels Bjerre Lund	1023	Python 2	2020-02-08 11:53:29
6	Hidden user	1055	Python 2	2019-04-11 20:10:29
7	Hidden user	1141	Python 2	2021-03-20 09:57:05
8	Øyvind Haarberg	1630	Python 2	2018-11-11 20:56:03
9	Greg Hamerly	1686	Python 2	2019-01-23 21:09:14
10	Erik Tjøswold	1961	Python 2	2018-12-03 21:30:41

#	User	Length	Language	Date
1	Nicholas Russell Saerang	562	Python 3	2024-05-25 01:51:36
2	Oskar Haarklou Veileborg	688	Python 3	2019-11-22 12:32:27
3	UPT_Ed_Edd_n_Eddy	693	Python 3	2021-03-20 07:57:26
4	Mark Joseph Kenny	744	Python 3	2025-09-16 21:33:11
5	Victor Song	845	Python 3	2024-07-10 08:59:48
6	Ole Vik Lysne	885	Python 3	2024-07-07 23:27:11
7	Jonatan Nilsson	897	Python 3	2021-09-09 16:35:20
8	Troels Bjerre Lund	980	Python 3	2020-02-08 01:26:31
9	Hidden user	1006	Python 3	2021-08-25 00:49:22
10	Måns Magnusson	1092	Python 3	2021-09-09 15:51:38

#	User	Length	Language	Date
1	Rasmus Andersson	2043	Rust	2024-03-26 22:03:03
2	Fiat Driver	2324	Rust	2023-07-01 16:44:50
3	Hidden user	2948	Rust	2019-11-25 18:12:00
4	Iker Lissarrague	3332	Rust	2023-10-08 23:55:42
5	Emil Hultcrantz	4670	Rust	2025-03-24 13:53:51
6	Nicolas Costes	5979	Rust	2019-10-30 10:46:24
7	Vincent Lagerros	6217	Rust	2024-05-23 23:36:26
8	Christoffer Andersson	9998	Rust	2024-03-26 10:31:15
9	Hidden user	13494	Rust	2025-09-19 18:34:09

Solution running time distribution