Problem A
Hidden Words — Problem Statistics

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Submissions	2015
Accepted submissions	536
Submission ratio	26.60%
Authors	324
Full solves [?]	231
Full solve Ratio	71.30%

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	C	2019-04-15 03:13:49
2	Amar Topalovic	0.10 s	C	2019-05-15 08:13:52
3	Ivan Petrov	0.24 s	C	2019-11-04 15:54:27
4	Hidden user	0.35 s	C	2023-11-20 20:17:38

#	User	Runtime	Language	Date
1	Arnav Sastry	0.02 s	C++	2018-12-17 03:45:52
2	Mohammad Sadeghi	0.02 s	C++	2019-08-12 10:32:26
3	Kadin Tang	0.05 s	C++	2022-01-30 20:32:50
4	Kenneth Langedal	0.06 s	C++	2019-11-28 00:39:47
5	Gabriel Chai	0.06 s	C++	2022-02-05 22:47:34
6	npucfy	0.06 s	C++	2022-02-13 19:47:41
7	Duarte Nóbrega	0.07 s	C++	2019-08-29 18:11:27
8	Moses Xu	0.07 s	C++	2022-02-05 22:04:37
9	Robert Lee	0.07 s	C++	2022-02-07 00:13:42
10	Ian DeHaan	0.08 s	C++	2022-02-05 19:53:30

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.14 s	Java	2020-02-08 19:01:00
2	Mike Nguyen	0.28 s	Java	2022-01-30 20:27:21
3	Jakob Kallestad	0.34 s	Java	2019-03-09 17:14:10
4	Bjørn Dons	0.37 s	Java	2018-12-28 20:36:51
5	Petter Daae	0.37 s	Java	2019-05-20 13:17:50
6	Vetle Håland Bergstad	0.39 s	Java	2019-05-21 11:03:17
7	Joachim Morken	0.45 s	Java	2019-05-30 16:49:22
8	Benjamin Reidys	0.61 s	Java	2019-07-11 16:43:53
9	Sébastien Paumier	0.71 s	Java	2018-11-10 14:52:14
10	Hidden user	0.71 s	Java	2019-05-19 22:37:55

#	User	Runtime	Language	Date
1	Phường Lên	0.58 s	Kotlin	2020-05-21 08:15:28
2	Nicholas Johnson	1.11 s	Kotlin	2022-02-05 20:54:56

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.41 s	Python 2	2020-02-08 19:21:33
2	Hidden user	0.58 s	Python 2	2019-04-11 22:10:29
3	Andreas Björklund	0.77 s	Python 2	2018-12-23 17:53:33
4	Panteon Panteon	0.88 s	Python 2	2021-03-20 10:34:01
5	Hidden user	0.88 s	Python 2	2021-03-20 10:57:05
6	Oskar Haarklou Veileborg	0.98 s	Python 2	2019-11-22 13:33:09
7	Øyvind Haarberg	1.37 s	Python 2	2018-11-11 21:56:03
8	Hidden user	1.53 s	Python 2	2018-12-08 20:22:07
9	Greg Hamerly	1.59 s	Python 2	2019-01-23 22:09:14
10	Erik Tjøswold	1.99 s	Python 2	2018-12-03 22:30:41

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.47 s	Python 3	2020-02-08 19:20:52
2	Brandon Young	0.64 s	Python 3	2022-01-30 21:42:03
3	Duoduo Zhao	0.71 s	Python 3	2025-08-11 19:26:50
4	Jacob Molin	0.75 s	Python 3	2025-04-28 16:32:08
5	crapcode	0.88 s	Python 3	2022-05-04 17:04:05
6	Rachel Krohn	0.88 s	Python 3	2025-09-09 01:21:31
7	Adin Ilfeld	0.89 s	Python 3	2022-02-05 21:00:49
8	Hidden user	0.91 s	Python 3	2024-05-25 03:51:36
9	Braydon Hunt	0.98 s	Python 3	2022-02-16 03:22:33
10	Hidden user	1.00 s	Python 3	2021-08-25 02:49:22

#	User	Runtime	Language	Date
1	Rasmus Andersson	0.07 s	Rust	2024-03-27 10:19:55
2	Hidden user	0.10 s	Rust	2019-12-11 02:41:24
3	Iker Lissarrague	0.16 s	Rust	2023-10-09 01:55:42
4	Emil Hultcrantz	0.16 s	Rust	2025-03-24 14:53:51
5	Vincent Lagerros	0.19 s	Rust	2024-05-24 01:46:11
6	Christoffer Andersson	0.48 s	Rust	2024-03-26 11:31:15
7	Fiat Driver	0.52 s	Rust	2023-07-01 18:44:06
8	Nicolas Costes	1.35 s	Rust	2019-10-30 11:46:24

#	User	Length	Language	Date
1	Amar Topalovic	1848	C	2019-04-23 10:01:12
2	Ivan Petrov	1903	C	2019-11-04 15:54:27
3	Hidden user	1909	C	2023-11-20 20:17:38
4	Hidden user	2004	C	2019-04-14 23:10:40

#	User	Length	Language	Date
1	Mohammad Sadeghi	710	C++	2024-05-16 13:50:38
2	Johan Wind	799	C++	2018-11-14 15:03:13
3	2076 - Mahmodol Hassan Monna	836	C++	2024-09-16 15:06:17
4	David Zheng	850	C++	2018-12-08 03:20:00
5	Nguyễn Thành Minh	931	C++	2022-02-05 23:10:59
6	Marian Dietz	944	C++	2022-02-05 19:52:39
7	Matt	952	C++	2021-10-19 17:40:49
8	Vlad Negoita	972	C++	2021-10-19 17:35:05
9	Ernest Ng Zi Xuan	1003	C++	2024-07-05 03:40:55
10	Thiago Felipe Bastos da Silva	1086	C++	2021-08-28 21:42:24

#	User	Length	Language	Date
1	Hidden user	1249	Java	2019-08-22 07:23:42
2	Doug Goodman	1499	Java	2019-05-01 19:50:52
3	Suhas T. Nagar	1648	Java	2022-02-06 23:51:13
4	Benjamin Reidys	1900	Java	2019-07-11 16:43:53
5	Troels Bjerre Lund	2153	Java	2020-02-08 19:01:00
6	Sam Zheng	2231	Java	2022-02-05 21:20:11
7	chirurg	2861	Java	2025-03-26 20:32:13
8	Petter Daae	2948	Java	2019-05-20 13:17:50
9	André Berge	3056	Java	2018-11-11 11:56:44
10	Roger Wisnes	3916	Java	2019-05-06 14:58:22

#	User	Length	Language	Date
1	Phường Lên	3300	Kotlin	2020-05-21 08:15:28
2	Nicholas Johnson	4853	Kotlin	2022-02-05 20:54:56

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	658	Python 2	2019-11-22 13:33:09
2	Andreas Björklund	678	Python 2	2018-12-23 17:53:33
3	Hidden user	714	Python 2	2018-12-08 20:22:07
4	Panteon Panteon	748	Python 2	2021-03-20 10:34:01
5	Troels Bjerre Lund	1023	Python 2	2020-02-08 12:53:29
6	Hidden user	1055	Python 2	2019-04-11 22:10:29
7	Hidden user	1141	Python 2	2021-03-20 10:57:05
8	Øyvind Haarberg	1630	Python 2	2018-11-11 21:56:03
9	Greg Hamerly	1686	Python 2	2019-01-23 22:09:14
10	Erik Tjøswold	1961	Python 2	2018-12-03 22:30:41

#	User	Length	Language	Date
1	Hidden user	562	Python 3	2024-05-25 03:51:36
2	Oskar Haarklou Veileborg	688	Python 3	2019-11-22 13:32:27
3	UPT_Ed_Edd_n_Eddy	693	Python 3	2021-03-20 08:57:26
4	Victor Song	845	Python 3	2024-07-10 10:59:48
5	Ole Vik Lysne	885	Python 3	2024-07-08 01:27:11
6	Jonatan Nilsson	897	Python 3	2021-09-09 18:35:20
7	Troels Bjerre Lund	980	Python 3	2020-02-08 02:26:31
8	Hidden user	1006	Python 3	2021-08-25 02:49:22
9	Måns Magnusson	1092	Python 3	2021-09-09 17:51:38
10	Maj Stenmark	1092	Python 3	2021-09-30 19:41:27

#	User	Length	Language	Date
1	Rasmus Andersson	2043	Rust	2024-03-26 23:03:03
2	Fiat Driver	2324	Rust	2023-07-01 18:44:50
3	Hidden user	2948	Rust	2019-11-25 19:12:00
4	Iker Lissarrague	3332	Rust	2023-10-09 01:55:42
5	Emil Hultcrantz	4670	Rust	2025-03-24 14:53:51
6	Nicolas Costes	5979	Rust	2019-10-30 11:46:24
7	Vincent Lagerros	6217	Rust	2024-05-24 01:36:26
8	Christoffer Andersson	9998	Rust	2024-03-26 11:31:15

Solution running time distribution