Problem B
Spam Filter — Problem Statistics

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Submissions	1096
Accepted submissions	131
Submission ratio	11.95%
Authors	147
Full solves [?]	73
Full solve Ratio	49.66%

#	User	Runtime	Language	Date
1	Lin Lee	0.02 s	C	2022-04-09 17:02:06

#	User	Runtime	Language	Date
1	Lukas Polacek	0.05 s	C#	2014-11-24 13:48:05
2	Charith Madushanka	0.13 s	C#	2021-11-06 02:44:31

#	User	Runtime	Language	Date
1	Joshua Andersson	0.00 s	C++	2024-06-26 22:33:46
2	Muhammad Irham Rasyidi	0.01 s	C++	2017-04-20 10:35:45
3	Per Persson	0.01 s	C++	2017-06-28 17:14:46
4	Atli Fannar Franklín	0.01 s	C++	2022-05-16 23:37:04
5	Anders Tellström	0.01 s	C++	2022-09-20 23:15:13
6	Hidden user	0.01 s	C++	2024-12-31 06:38:24
7	C3Speedrun2025	0.01 s	C++	2025-06-07 23:40:19
8	Emanuel Gedin	0.02 s	C++	2014-03-23 20:03:57
9	Bjarki Ágúst Guðmundsson	0.02 s	C++	2014-04-11 01:43:54
10	Patrik Lilja	0.02 s	C++	2015-04-20 09:09:57

#	User	Runtime	Language	Date
1	Hidden user	0.21 s	Go	2024-05-05 21:22:31

#	User	Runtime	Language	Date
1	Sebastian Gedin	0.12 s	Java	2016-02-26 10:59:28
2	Josenildo Silva	0.12 s	Java	2017-12-25 02:32:59
3	Jimmy Mårdell	0.13 s	Java	2014-12-27 19:17:29
4	Hidden user	0.19 s	Java	2023-05-27 23:37:49
5	test sample simple	0.20 s	Java	2022-05-19 23:37:39
6	Bjørn Dons	0.20 s	Java	2023-08-06 21:59:13
7	Hossein Fakhraei	0.22 s	Java	2019-02-24 10:02:50
8	Doug Goodman	0.26 s	Java	2022-07-24 15:55:14
9	Felix Cederblad	0.27 s	Java	2025-02-22 19:50:55
10	Tamirys Coelho de Oliveira Pino	0.30 s	Java	2021-05-11 08:54:54

#	User	Runtime	Language	Date
1	Turnerware House	0.15 s	Python 2	2021-07-27 23:04:54
2	Mees de Vries	0.33 s	Python 2	2019-05-22 11:43:55

#	User	Runtime	Language	Date
1	Hrant Hovhannisyan	0.09 s	Python 3	2025-11-25 08:19:00
2	Marcus Lassila	0.12 s	Python 3	2021-02-08 17:49:32
3	Hidden user	0.12 s	Python 3	2026-02-13 03:28:21
4	Peter Stauder	0.13 s	Python 3	2024-02-18 10:58:36
5	Iiro Niemi	0.14 s	Python 3	2021-06-19 23:58:08
6	Liang Dai	0.15 s	Python 3	2024-05-06 11:37:39
7	Jonas Medin	0.24 s	Python 3	2024-08-12 14:58:48
8	Pol Del Aguila Pla	0.33 s	Python 3	2023-04-02 12:10:53
9	Lee Yi Heng	0.44 s	Python 3	2024-03-14 20:28:07

#	User	Length	Language	Date
1	Lin Lee	1309	C	2022-04-09 17:02:06

#	User	Length	Language	Date
1	Lukas Polacek	1675	C#	2014-11-24 13:48:05
2	Charith Madushanka	2321	C#	2021-11-06 02:44:31

#	User	Length	Language	Date
1	Daniel Rubery	535	C++	2017-05-23 23:20:44
2	Jeremy Lim	547	C++	2024-02-20 15:52:54
3	Simon Lindholm	603	C++	2015-09-16 21:51:14
4	Alexander Skidanov	642	C++	2024-10-17 15:30:25
5	Oskar Werkelin Ahlin	669	C++	2012-09-14 23:46:31
6	Erik Dackander	708	C++	2016-02-27 02:04:24
7	Hidden user	719	C++	2024-12-31 06:38:24
8	Alex Dai	739	C++	2017-12-02 03:09:55
9	Dmitry Lyubshin	762	C++	2023-05-26 23:31:38
10	Robert Welin-Berger	769	C++	2016-02-24 20:49:50

#	User	Length	Language	Date
1	Hidden user	1553	Go	2024-05-05 21:22:31

#	User	Length	Language	Date
1	Josenildo Silva	699	Java	2017-12-25 02:32:59
2	Hidden user	899	Java	2023-05-27 23:37:49
3	test sample simple	927	Java	2022-05-19 23:37:39
4	Hossein Fakhraei	955	Java	2019-02-24 10:02:50
5	Tamirys Coelho de Oliveira Pino	1469	Java	2021-05-11 08:54:54
6	Milad Badran	1745	Java	2022-05-27 11:33:45
7	Doug Goodman	1851	Java	2022-07-24 15:55:14
8	Daniel Petersson	1932	Java	2022-05-02 10:28:45
9	Felix Cederblad	1936	Java	2025-02-22 19:50:55

#	User	Length	Language	Date
1	Turnerware House	890	Python 2	2021-07-27 23:04:54
2	Mees de Vries	1814	Python 2	2019-05-22 11:43:55

#	User	Length	Language	Date
1	Peter Stauder	204	Python 3	2024-02-18 10:58:36
2	Hrant Hovhannisyan	355	Python 3	2025-11-25 08:19:00
3	Liang Dai	810	Python 3	2024-05-06 11:37:39
4	Iiro Niemi	1026	Python 3	2021-06-19 23:58:08
5	Marcus Lassila	1064	Python 3	2021-02-08 19:41:10
6	Jonas Medin	1394	Python 3	2024-08-12 14:58:48
7	Hidden user	1698	Python 3	2026-02-13 03:28:21
8	Lee Yi Heng	1741	Python 3	2024-03-14 20:28:07
9	Pol Del Aguila Pla	1775	Python 3	2023-04-02 12:10:53

Solution running time distribution