Problem A
Horror List — Problem Statistics

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Submissions	5274
Accepted submissions	2277
Submission ratio	43.17%
Authors	1947
Full solves [?]	1710
Full solve Ratio	87.83%

#	User	Runtime	Language	Date
1	Hidden user	0.30 s	APL	2024-04-18 17:27:19

#	User	Runtime	Language	Date
1	Saito Ta	0.06 s	Bash	2024-04-15 01:49:24
2	Chenzhang Hu	0.09 s	Bash	2024-04-15 11:12:41

#	User	Runtime	Language	Date
1	Dan Kral	0.00 s	C	2013-10-01 19:10:04
2	Jesper Öqvist	0.00 s	C	2018-03-28 05:20:21
3	Ivan Petrov	0.00 s	C	2019-06-19 08:22:22
4	Bergur Snorrason	0.00 s	C	2020-01-23 14:49:16
5	Johan Larsson	0.00 s	C	2022-06-10 00:08:26
6	Xiaochi Wang	0.00 s	C	2022-07-20 09:56:54
7	Mirel Cosulschi	0.00 s	C	2022-12-12 20:15:08
8	Naveen Kumar S	0.00 s	C	2025-05-01 09:39:33
9	Dan Rubery	0.01 s	C	2015-04-12 17:23:54
10	Samuel Deutsch	0.01 s	C	2020-09-01 03:28:03

#	User	Runtime	Language	Date
1	Łukasz Organiściak	0.02 s	C#	2017-03-12 14:23:37
2	Lukasz	0.02 s	C#	2017-03-12 14:24:23
3	Tomasz Masternak	0.03 s	C#	2013-09-30 20:26:56
4	Stefan Pedersen	0.03 s	C#	2013-10-01 10:17:46
5	Thomas Heder	0.03 s	C#	2014-09-29 16:12:30
6	Benjamin Bilbeau	0.03 s	C#	2017-03-08 02:41:17
7	Gustav Kalander	0.03 s	C#	2018-08-19 10:32:21
8	Casper Christensen	0.03 s	C#	2019-06-01 17:45:08
9	Andriy Zyevakov	0.03 s	C#	2019-06-22 07:51:09
10	Владимир Хилько	0.03 s	C#	2020-02-07 16:54:44

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Common Lisp	2019-07-13 22:56:41

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.07 s	F#	2023-04-08 07:30:52

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-09-10 14:39:03

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Haskell	2022-04-26 10:50:20
2	Steinar Simonnes	0.01 s	Haskell	2024-04-25 14:47:02
3	Ulrik Hansen	0.37 s	Haskell	2023-01-23 17:06:34

#	User	Runtime	Language	Date
1	José Vander Meulen	0.07 s	Java	2018-10-25 14:11:15
2	Jan Štola	0.08 s	Java	2015-05-20 09:59:39
3	Bjørn Dons	0.08 s	Java	2018-12-17 19:35:33
4	Yan Yan	0.08 s	Java	2020-09-01 19:53:10
5	Derek Thomson	0.08 s	Java	2022-01-19 21:15:38
6	Sparsh Sanchorawala	0.08 s	Java	2022-10-28 21:37:25
7	Bhavey Jain	0.09 s	Java	2021-08-30 21:02:33
8	Madhav Maheshwari	0.09 s	Java	2022-04-07 18:36:33
9	Hidden user	0.10 s	Java	2013-09-28 22:06:12
10	Caleb Ahn	0.10 s	Java	2021-09-01 02:51:30

#	User	Runtime	Language	Date
1	Michael Laszlo	0.02 s	JavaScript (SpiderMonkey)	2017-12-28 05:51:55
2	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2022-06-10 09:19:33
3	Christian Pilegaard Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-05-27 07:25:46
4	Bjørn Chr. Soltvedt	0.79 s	JavaScript (SpiderMonkey)	2024-01-06 09:18:00

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.22 s	Kotlin	2021-02-23 01:27:29
2	Hidden user	0.26 s	Kotlin	2019-12-02 22:11:36
3	Roy Liu	0.33 s	Kotlin	2023-06-13 21:32:12
4	Adam Rankin	0.33 s	Kotlin	2023-09-15 16:16:47
5	Brent Yorgey	0.34 s	Kotlin	2020-04-27 12:05:13
6	Aksel Holbek Sørbye	0.36 s	Kotlin	2025-06-08 09:20:07
7	Phường Lên	0.42 s	Kotlin	2019-12-03 17:04:03

#	User	Runtime	Language	Date
1	Peter Hairatidis	0.01 s	Lua	2025-10-28 21:21:05

#	User	Runtime	Language	Date
1	Artemis Ngoh	0.02 s	OCaml	2024-04-14 13:25:17

#	User	Runtime	Language	Date
1	Saito Ta	0.05 s	Perl	2024-04-15 01:44:10

#	User	Runtime	Language	Date
1	Paweł Widera	0.04 s	Python 2	2013-10-03 20:31:54
2	Ciara Godwin	0.04 s	Python 2	2018-03-30 12:14:55
3	Andreas Argelius	0.05 s	Python 2	2013-10-02 15:31:13
4	Asger Hautop Drewsen	0.05 s	Python 2	2017-09-30 10:02:30
5	Lars Åström	0.05 s	Python 2	2018-03-26 21:28:03
6	Maj Stenmark	0.05 s	Python 2	2018-03-27 11:29:22
7	Linus Karlsson	0.05 s	Python 2	2018-03-27 19:32:33
8	Alexander Hansson	0.05 s	Python 2	2018-04-01 19:53:15
9	Maya Saietz	0.06 s	Python 2	2013-10-02 13:37:47
10	Mathias Bundgaard Svensson	0.06 s	Python 2	2013-10-02 15:16:54

#	User	Runtime	Language	Date
1	Ciara Godwin	0.03 s	Python 3	2018-03-30 12:19:27
2	Isaac Saffold	0.03 s	Python 3	2018-06-15 08:59:50
3	Alex Loiko	0.04 s	Python 3	2013-10-04 11:40:46
4	Hidden user	0.04 s	Python 3	2017-09-30 10:30:37
5	Cian Ruane	0.04 s	Python 3	2018-03-28 10:55:00
6	Andre Pratama	0.04 s	Python 3	2018-04-13 13:20:28
7	Kasra Ghodsi	0.04 s	Python 3	2018-09-15 20:08:17
8	Matthew Kan	0.04 s	Python 3	2019-04-09 07:31:16
9	Jacob Gummesson Atroshi	0.04 s	Python 3	2019-04-12 14:39:00
10	Louise Westin	0.04 s	Python 3	2019-05-06 18:50:59

#	User	Runtime	Language	Date
1	Thomas Feld	0.08 s	Ruby	2023-08-21 10:37:56
2	Hidden user	0.09 s	Ruby	2019-10-04 16:38:02

#	User	Runtime	Language	Date
1	Jakub Jagiello	0.00 s	Rust	2020-07-13 12:49:52
2	Klas af Geijerstam	0.00 s	Rust	2020-08-06 11:36:51
3	Stephen Atwood	0.00 s	Rust	2022-03-09 09:37:36
4	Mikail Khan	0.00 s	Rust	2022-04-08 03:26:14
5	Nicholas	0.00 s	Rust	2023-06-12 10:55:38
6	Melker Forsberg	0.00 s	Rust	2023-06-13 01:19:48
7	Daniel Anker Hermansen	0.00 s	Rust	2023-09-11 08:29:09
8	Isak Jägberg	0.00 s	Rust	2023-12-21 08:31:00
9	gard heine kalland	0.00 s	Rust	2024-06-17 10:03:24
10	Egor Kulikov	0.00 s	Rust	2025-02-06 11:50:13

#	User	Runtime	Language	Date
1	Vemahk	0.00 s	Zig	2024-04-21 01:52:21

#	User	Length	Language	Date
1	Hidden user	113	APL	2024-04-18 17:16:55

#	User	Length	Language	Date
1	Chenzhang Hu	590	Bash	2024-04-15 11:12:41
2	Saito Ta	847	Bash	2024-04-15 01:49:24

#	User	Length	Language	Date
1	Dan Kral	1013	C	2013-10-01 19:10:04
2	Yucheng Niu	1090	C	2018-04-16 15:06:36
3	Raymond Yang	1152	C	2018-04-14 18:24:15
4	Ron Joshi	1154	C	2018-06-11 03:22:34
5	Dan Rubery	1212	C	2015-04-12 17:23:54
6	Mirel Cosulschi	1572	C	2022-12-12 20:15:08
7	hyunjoon kang	1612	C	2024-10-13 16:31:55
8	Xiaochi Wang	1631	C	2022-07-20 09:56:54
9	Samuel Deutsch	1706	C	2020-09-01 03:28:03
10	Johan Larsson	1735	C	2022-06-10 00:35:06

#	User	Length	Language	Date
1	traxex	1151	C#	2024-05-15 13:47:03
2	Stefan Pedersen	1738	C#	2013-10-01 10:17:46
3	Casper Christensen	1752	C#	2019-06-01 17:45:08
4	Gustav Kalander	1875	C#	2018-08-19 10:32:21
5	Pontus Lidholm	2112	C#	2023-06-13 17:09:47
6	Thomas Heder	2378	C#	2014-09-29 16:12:30
7	Benjamin Bilbeau	3475	C#	2017-03-08 02:41:17
8	Tomasz Masternak	3792	C#	2013-09-30 20:26:56
9	Bryan Shiffman	4812	C#	2022-01-06 18:40:23
10	Владимир Хилько	5772	C#	2020-02-07 16:36:19

#	User	Length	Language	Date
1	Alexander Skidanov	547	C++	2024-11-02 13:16:32
2	Ivan	565	C++	2024-11-02 13:15:03
3	Josenildo Silva	587	C++	2017-02-23 02:15:53
4	Herman Karlsson	628	C++	2015-05-25 11:33:03
5	Hidden user	641	C++	2025-01-22 16:46:57
6	Roger Chen	647	C++	2023-01-04 04:12:59
7	Emmanuel Anaya	658	C++	2020-10-21 17:22:53
8	Liu Peize	659	C++	2019-04-27 13:37:15
9	Ragur Krishnan	668	C++	2018-08-29 17:26:02
10	Wen Li Looi	684	C++	2015-04-11 17:30:36

#	User	Length	Language	Date
1	Hidden user	1716	Common Lisp	2019-07-13 23:04:55

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1558	F#	2023-04-08 07:30:52

#	User	Length	Language	Date
1	Norbert Voelker	6763	Go	2021-09-10 14:39:03

#	User	Length	Language	Date
1	Steinar Simonnes	1631	Haskell	2024-04-25 14:48:06
2	Ulrik Hansen	2291	Haskell	2023-01-23 17:06:34
3	Hidden user	2670	Haskell	2022-04-26 10:50:20

#	User	Length	Language	Date
1	Måns Magnusson	1019	Java	2016-03-09 20:35:49
2	Doug Goodman	1057	Java	2017-12-21 20:36:12
3	Ricardo Ruiz	1070	Java	2022-10-25 19:45:23
4	Timothy Buzzelli	1108	Java	2019-01-03 19:11:04
5	Malte Larsson	1109	Java	2018-03-26 17:43:48
6	Marco Vincenzo Karaan	1110	Java	2016-02-06 06:27:13
7	Félix Robitaille	1111	Java	2020-11-08 20:36:53
8	Harrison Weigel	1153	Java	2015-04-11 17:28:47
9	Alia Martyn	1161	Java	2015-04-11 20:07:27
10	Cole Peterson	1172	Java	2017-09-20 00:23:06

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	890	JavaScript (SpiderMonkey)	2023-05-27 07:25:46
2	Jimmy Gustafsson	983	JavaScript (SpiderMonkey)	2022-06-10 09:19:33
3	Michael Laszlo	1261	JavaScript (SpiderMonkey)	2017-12-28 05:51:55
4	Bjørn Chr. Soltvedt	19745	JavaScript (SpiderMonkey)	2024-01-06 09:33:21

#	User	Length	Language	Date
1	Phường Lên	904	Kotlin	2019-12-03 17:04:03
2	Brent Yorgey	1074	Kotlin	2020-04-27 12:05:13
3	Hidden user	1634	Kotlin	2019-12-02 22:11:36
4	Adam Rankin	1892	Kotlin	2023-09-15 16:16:47
5	Roy Liu	2178	Kotlin	2023-06-13 21:32:12
6	Nicholas Johnson	2354	Kotlin	2021-02-23 01:27:29
7	Aksel Holbek Sørbye	6104	Kotlin	2025-06-08 09:16:48

#	User	Length	Language	Date
1	Peter Hairatidis	1767	Lua	2025-10-28 21:21:05

#	User	Length	Language	Date
1	Artemis Ngoh	3808	OCaml	2024-04-14 13:25:17

#	User	Length	Language	Date
1	Saito Ta	391	Perl	2024-04-15 01:44:10

#	User	Length	Language	Date
1	William Gan	391	Python 2	2017-12-27 11:13:26
2	Thomas Feld	462	Python 2	2019-12-09 11:06:34
3	Andreas Björklund	567	Python 2	2019-04-15 16:00:38
4	Mathias Bundgaard Svensson	600	Python 2	2013-10-02 15:16:54
5	Hidden user	632	Python 2	2019-08-06 17:58:32
6	Maya Saietz	690	Python 2	2013-10-02 13:37:47
7	Lars Åström	702	Python 2	2018-03-26 21:28:03
8	Michael Laszlo	706	Python 2	2017-12-28 05:23:18
9	Maj Stenmark	709	Python 2	2018-03-27 11:29:22
10	Brandon Sovran	713	Python 2	2022-02-23 15:51:04

#	User	Length	Language	Date
1	Simon Hellsten	204	Python 3	2023-07-09 18:02:50
2	Isak Nyberg	249	Python 3	2023-06-14 19:13:55
3	Michael Goldwasser	297	Python 3	2023-11-21 01:29:52
4	Tommi Järvenpää	330	Python 3	2024-04-02 12:03:58
5	Nino Bašić	337	Python 3	2023-01-10 16:44:05
6	Sam Chen	342	Python 3	2025-10-29 16:04:01
7	Peter Stauder	384	Python 3	2022-10-08 19:09:28
8	Ahmed Chamseddine	395	Python 3	2025-05-02 10:48:40
9	Oskar Haarklou Veileborg	397	Python 3	2020-10-30 15:13:25
10	Asger Hautop Drewsen	397	Python 3	2020-11-01 22:03:10

#	User	Length	Language	Date
1	Thomas Feld	188	Ruby	2023-08-21 10:55:15
2	Hidden user	551	Ruby	2019-10-04 16:38:02

#	User	Length	Language	Date
1	Mikail Khan	1465	Rust	2022-04-08 03:26:14
2	Bas Dirks	1739	Rust	2022-03-02 08:27:21
3	Melker Forsberg	2175	Rust	2023-06-13 01:19:48
4	Stephen Atwood	2229	Rust	2022-03-09 09:37:36
5	Louis Bouchard	2589	Rust	2024-10-27 03:23:50
6	Jakub Jagiello	3080	Rust	2020-07-13 12:49:52
7	Nicholas	3352	Rust	2023-06-12 10:55:38
8	James Felder	3405	Rust	2024-02-19 23:27:07
9	Klas af Geijerstam	3407	Rust	2020-08-06 11:36:51
10	Hidden user	3775	Rust	2023-06-13 09:54:12

#	User	Length	Language	Date
1	Vemahk	5672	Zig	2024-04-21 01:52:21

Solution running time distribution