Problem Y
False Sense of Security — Problem Statistics

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Submissions	3013
Accepted submissions	1735
Submission ratio	57.58%
Authors	1537
Accepted authors	1447
Author ratio	94.14%

#	User	Runtime	Language	Date
1	Matthew Johnson	0.00 s	C	2015-07-15 06:31:09
2	Martin Wass	0.00 s	C	2017-11-17 16:49:43
3	Bergur Snorrason	0.00 s	C	2018-09-26 15:16:16
4	Johan Öhlin	0.01 s	C	2017-08-22 10:51:50
5	Lieu Vu	0.01 s	C	2017-08-29 20:05:14
6	Adam Evans	0.01 s	C	2018-01-09 05:40:33
7	Seth Carter	0.01 s	C	2018-02-07 00:36:50
8	Thomas	0.01 s	C	2018-09-09 12:16:05
9	Sambit Palit	0.01 s	C	2020-10-14 19:50:30
10	Matthew Weston	0.01 s	C	2022-01-15 18:55:06

#	User	Runtime	Language	Date
1	masosz	0.04 s	C#	2015-04-18 10:02:28
2	Bas te Kolste	0.04 s	C#	2015-07-28 11:58:54
3	Hidden user	0.04 s	C#	2017-06-16 21:37:28
4	Kunwei Zhang	0.04 s	C#	2018-02-12 10:43:52
5	Eric Bäckhage	0.05 s	C#	2019-02-23 22:12:31
6	Khin Nyunt	0.06 s	C#	2016-04-09 14:40:17
7	Jon Wiggins	0.07 s	C#	2019-01-20 19:45:52
8	traxex	0.07 s	C#	2024-05-27 02:19:11
9	Göran Andersson	0.08 s	C#	2022-05-15 15:56:02
10	Jacob Lewinski	0.12 s	C#	2016-01-28 04:07:08

#	User	Runtime	Language	Date
1	Grae Yeandle	0.00 s	C++	2016-11-14 19:25:38
2	Seet Yew Siang	0.00 s	C++	2017-02-11 17:51:41
3	Hidden user	0.00 s	C++	2017-05-08 06:19:06
4	Nonthakit Chaiwong	0.00 s	C++	2020-06-30 16:49:21
5	Simon Lindholm	0.01 s	C++	2015-03-31 17:42:38
6	Aron Granberg	0.01 s	C++	2015-03-31 17:48:56
7	Emanuel Gedin	0.01 s	C++	2015-03-31 17:49:05
8	Mårten Wiman	0.01 s	C++	2015-03-31 17:56:07
9	Anton Grensjö	0.01 s	C++	2015-03-31 19:25:42
10	Xiaoyuan Suo	0.01 s	C++	2015-04-01 06:30:40

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.10 s	F#	2022-09-03 09:00:10

#	User	Runtime	Language	Date
1	Norbert Voelker	0.04 s	Go	2021-04-20 19:27:43
2	Thomas	0.04 s	Go	2024-01-11 20:14:04
3	Shehab Ahmed Hatem	0.06 s	Go	2023-11-26 18:53:33
4	Krzysztof Gibuła	0.15 s	Go	2019-01-19 19:02:58
5	Jack Kryger Sørensen	0.21 s	Go	2022-01-26 14:49:27
6	Alexandru Bonini	0.25 s	Go	2018-04-03 22:32:10
7	Adam Smith	1.35 s	Go	2017-04-08 01:59:36

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.02 s	Haskell	2024-06-03 16:04:06
2	Tobias Glimmerfors	0.03 s	Haskell	2020-01-26 10:56:15
3	Lars Tveito	0.04 s	Haskell	2015-07-03 07:25:27
4	Hidden user	0.04 s	Haskell	2015-07-07 09:15:57
5	John Grzechowiak	0.04 s	Haskell	2017-03-24 15:39:27
6	Simen Endsjø	0.04 s	Haskell	2017-11-12 13:01:20
7	Håkon Flatval	0.04 s	Haskell	2018-08-20 16:19:53
8	Daniel German	0.05 s	Haskell	2018-06-30 20:20:16
9	Hidden user	0.05 s	Haskell	2023-01-19 00:05:32
10	Lieven Marchand	0.06 s	Haskell	2017-09-10 18:11:47

#	User	Runtime	Language	Date
1	José Vander Meulen	0.08 s	Java	2018-10-14 21:01:37
2	Sven Rönnbäck	0.08 s	Java	2022-12-02 22:16:57
3	Liam Keliher	0.10 s	Java	2017-07-03 04:45:03
4	Martijn Muijsers	0.15 s	Java	2016-09-25 20:26:57
5	Michael Sullivan	0.16 s	Java	2015-12-26 14:24:54
6	Ed Brook	0.17 s	Java	2017-01-13 18:17:24
7	Hidden user	0.17 s	Java	2018-03-10 01:47:08
8	Łukasz Antkowiak	0.18 s	Java	2015-12-24 23:46:24
9	Micah Stairs	0.18 s	Java	2016-05-29 18:05:31
10	Stela Palii	0.18 s	Java	2017-12-03 05:58:47

#	User	Runtime	Language	Date
1	Ngan Nguyen	0.12 s	JavaScript (Node.js)	2018-08-28 02:13:00
2	Carl Sundvall	0.14 s	JavaScript (Node.js)	2018-11-16 10:03:46
3	Christoffer Karlsson	0.42 s	JavaScript (Node.js)	2018-07-22 16:12:35
4	Ricardo Velasco Guachalla	0.46 s	JavaScript (Node.js)	2023-10-21 01:03:13
5	Andoko Chandra	0.48 s	JavaScript (Node.js)	2020-10-10 11:49:18
6	Niamh Limerick	0.48 s	JavaScript (Node.js)	2022-02-06 16:42:16
7	Khin Nyunt	0.50 s	JavaScript (Node.js)	2021-10-03 12:08:07
8	madanlal arora	0.59 s	JavaScript (Node.js)	2020-12-28 15:41:51
9	Farris Billy	0.59 s	JavaScript (Node.js)	2021-03-15 08:49:16
10	Chris Wong	0.82 s	JavaScript (Node.js)	2021-02-09 03:10:44

#	User	Runtime	Language	Date
1	Oskar	0.04 s	JavaScript (SpiderMonkey)	2015-09-15 23:18:59
2	Peter Kedemo	0.05 s	JavaScript (SpiderMonkey)	2015-12-19 20:04:40
3	Peter Menyes	0.06 s	JavaScript (SpiderMonkey)	2017-08-25 17:34:02
4	Christian Cederquist	0.07 s	JavaScript (SpiderMonkey)	2023-01-23 16:38:30
5	Jimmy Gustafsson	0.07 s	JavaScript (SpiderMonkey)	2024-07-16 21:50:46
6	J M	0.12 s	JavaScript (SpiderMonkey)	2017-02-17 04:18:27
7	Omar Al-Khashab	0.15 s	JavaScript (SpiderMonkey)	2018-04-24 07:03:02
8	Nicklas Utgaard	0.15 s	JavaScript (SpiderMonkey)	2018-06-26 13:42:35
9	Bjørn Chr. Soltvedt	0.19 s	JavaScript (SpiderMonkey)	2016-01-13 13:26:45
10	Alan Delaney	0.28 s	JavaScript (SpiderMonkey)	2017-04-21 00:39:37

#	User	Runtime	Language	Date
1	Timothy Gaede	0.83 s	Julia	2024-06-04 08:29:57

#	User	Runtime	Language	Date
1	Hidden user	0.32 s	Kotlin	2017-12-09 18:26:08
2	Neil Harmon	0.33 s	Kotlin	2019-04-11 14:38:51
3	Troy Warmboe	0.57 s	Kotlin	2020-02-08 00:38:40
4	Adam Rankin	0.60 s	Kotlin	2023-09-16 23:19:07
5	Emil Wihlander	0.67 s	Kotlin	2024-07-31 00:31:11
6	Einar Kjellback	0.72 s	Kotlin	2019-12-03 17:47:18
7	Zaw Myat	0.74 s	Kotlin	2023-12-21 13:39:56

#	User	Runtime	Language	Date
1	Gabriella	0.03 s	OCaml	2025-05-07 17:55:28
2	Brandon Tang	0.04 s	OCaml	2023-07-17 09:17:00

#	User	Runtime	Language	Date
1	Renate	0.03 s	PHP	2021-07-05 01:01:18
2	Susanne Ragnemalm	0.07 s	PHP	2018-03-23 23:01:43
3	Steven D. Wilson	0.08 s	PHP	2016-11-25 06:05:33
4	Frank Farkas	0.11 s	PHP	2016-01-20 13:12:40

#	User	Runtime	Language	Date
1	Danny Robinson	0.62 s	Prolog	2023-10-22 02:50:00

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.05 s	Python 2	2015-05-05 23:37:21
2	Erik Odenman	0.05 s	Python 2	2015-09-12 16:51:43
3	Team Baud	0.05 s	Python 2	2015-09-29 18:31:42
4	Asger Hautop Drewsen	0.05 s	Python 2	2015-11-18 17:31:19
5	Oskar Haarklou Veileborg	0.05 s	Python 2	2015-12-11 11:47:36
6	Urban Pettersson	0.05 s	Python 2	2016-01-17 17:27:59
7	Hasan Ramezani	0.05 s	Python 2	2016-06-18 12:22:41
8	Hidden user	0.05 s	Python 2	2016-07-31 10:25:33
9	Erik Sillén	0.05 s	Python 2	2016-08-07 17:53:37
10	Miguel Alfageme Sanchez	0.05 s	Python 2	2017-02-06 06:59:48

#	User	Runtime	Language	Date
1	Francisco Martín Mateos	0.05 s	Python 3	2017-03-26 22:52:48
2	Wayne	0.06 s	Python 3	2016-01-24 16:31:36
3	Денис Соболев	0.06 s	Python 3	2017-07-07 15:23:44
4	Jean Niklas L'orange	0.06 s	Python 3	2018-04-22 20:38:37
5	Carina Nilsson	0.06 s	Python 3	2018-04-25 09:59:16
6	Alex Wice	0.06 s	Python 3	2018-11-19 06:19:30
7	Andrew Groeneveldt	0.06 s	Python 3	2019-03-26 06:49:18
8	Emil Palmblad	0.06 s	Python 3	2019-05-10 14:20:37
9	John Kuroda	0.06 s	Python 3	2019-05-19 09:41:12
10	Mark Peschel	0.06 s	Python 3	2019-08-02 20:09:09

#	User	Runtime	Language	Date
1	Lasse Berglund	0.08 s	Ruby	2016-04-01 06:58:57
2	Kellen Watt	0.12 s	Ruby	2016-07-06 03:50:57
3	Lim Ming Yean	0.15 s	Ruby	2018-11-23 23:54:43
4	Casper Christensen	0.24 s	Ruby	2016-01-05 11:53:45
5	Erik Rydbert	0.41 s	Ruby	2016-07-15 08:50:53
6	Joy Cantimbuhan	0.60 s	Ruby	2017-06-07 09:53:04

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-25 19:47:18
2	Hidden user	0.01 s	Rust	2019-09-28 01:08:09
3	Isak Jägberg	0.01 s	Rust	2019-10-26 14:24:30
4	David Rasch	0.01 s	Rust	2021-04-23 17:49:07
5	Ming Kang	0.01 s	Rust	2025-06-08 08:42:38
6	Pankajkumar Patro	0.02 s	Rust	2024-12-16 19:57:17
7	Kok Dith	0.03 s	Rust	2021-08-13 05:36:00
8	Bas Dirks	0.03 s	Rust	2022-01-04 19:26:10

#	User	Length	Language	Date
1	Einar Indridason	1587	C	2017-06-08 18:33:28
2	Hidden user	1640	C	2025-04-21 15:08:48
3	Hidden user	1756	C	2022-09-26 20:56:06
4	Adam Evans	1837	C	2018-01-09 05:40:33
5	Matthew Weston	2153	C	2022-01-15 18:55:06
6	PhilCampbell	2273	C	2021-01-03 11:32:34
7	Jaedon Kee Shaowei	2418	C	2019-08-12 08:16:35
8	Seth Carter	2494	C	2018-02-07 00:36:50
9	Lieu Vu	2767	C	2017-08-30 10:04:54
10	Anton Haglund	2937	C	2016-12-05 15:44:41

#	User	Length	Language	Date
1	Göran Andersson	1163	C#	2022-05-15 15:56:02
2	traxex	1249	C#	2024-05-27 02:19:11
3	Khin Nyunt	1276	C#	2016-04-09 14:40:17
4	Alireza Nasrollahzadeh	1501	C#	2018-06-28 23:15:35
5	Kunwei Zhang	1763	C#	2018-02-12 10:43:52
6	Eric Bäckhage	1867	C#	2019-02-23 22:12:31
7	Robert Low	2000	C#	2016-07-14 16:14:06
8	Alex Telon	2361	C#	2018-07-19 23:01:16
9	Hidden user	2476	C#	2020-12-14 18:31:04
10	Raja Sanjeev Kumar Nakka	2542	C#	2016-06-01 19:47:48

#	User	Length	Language	Date
1	Wispu	872	C++	2017-11-21 08:28:36
2	Lawrence Li	878	C++	2018-03-06 18:18:42
3	Hyunjun Lee	880	C++	2022-10-20 09:03:54
4	人外沙耶	972	C++	2020-05-27 08:03:28
5	Xingzhi Lu	973	C++	2024-06-14 15:38:21
6	Antonio Molina Lovett	976	C++	2016-08-06 00:17:05
7	Liu Xinan	979	C++	2017-01-17 05:49:43
8	Hidden user	995	C++	2020-03-14 18:53:19
9	Markus Mathiasen	1025	C++	2021-08-11 12:25:51
10	William Gan	1026	C++	2017-01-01 16:25:11

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1645	F#	2022-09-03 09:00:10

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	1136	Go	2023-11-26 18:53:33
2	Krzysztof Gibuła	1323	Go	2019-01-19 19:02:58
3	Alexandru Bonini	1449	Go	2018-04-03 22:32:10
4	Jack Kryger Sørensen	1605	Go	2022-01-26 14:49:27
5	Thomas	1764	Go	2024-01-11 20:14:04
6	Norbert Voelker	2015	Go	2021-04-20 19:27:43
7	Adam Smith	3911	Go	2017-04-08 01:59:36

#	User	Length	Language	Date
1	Håkon Flatval	919	Haskell	2018-08-20 16:19:53
2	Brent Yorgey	949	Haskell	2017-10-12 04:57:30
3	Lars Tveito	979	Haskell	2015-07-03 07:25:27
4	David Zacek	979	Haskell	2021-06-01 20:14:56
5	Lieven Marchand	1201	Haskell	2017-09-10 18:11:47
6	Carl Agrell	1220	Haskell	2016-09-29 19:41:41
7	Hidden user	1296	Haskell	2019-08-22 18:42:42
8	Andreas Ländle	1327	Haskell	2020-07-12 11:12:01
9	Caleb Surovik	1391	Haskell	2021-07-04 19:51:04
10	Ricky Elrod	1479	Haskell	2018-01-16 08:07:02

#	User	Length	Language	Date
1	Darrin Wiley	1029	Java	2016-01-05 04:35:20
2	Prakash Sanyasi	1082	Java	2017-04-08 05:53:51
3	Mark van Helvoort	1252	Java	2018-10-03 16:48:05
4	Samuel Klingström	1328	Java	2017-03-05 02:01:26
5	Sven Bergius	1344	Java	2018-03-22 13:25:11
6	Kevin Flynn	1381	Java	2018-11-23 13:20:49
7	Kyar Nyo Aye	1394	Java	2018-04-27 18:25:31
8	Doug Goodman	1395	Java	2017-11-20 22:05:24
9	Jerome Tujague	1410	Java	2017-09-27 04:45:22
10	Pedro Contipelli	1411	Java	2016-05-07 19:58:53

#	User	Length	Language	Date
1	Christoffer Karlsson	1163	JavaScript (Node.js)	2018-07-22 16:12:35
2	Khin Nyunt	1271	JavaScript (Node.js)	2021-10-03 12:08:07
3	Ricardo Velasco Guachalla	1404	JavaScript (Node.js)	2023-10-21 01:03:13
4	Ngan Nguyen	1523	JavaScript (Node.js)	2018-08-28 02:13:00
5	madanlal arora	1556	JavaScript (Node.js)	2020-12-28 15:41:51
6	Carl Sundvall	1955	JavaScript (Node.js)	2018-11-16 10:03:46
7	Chris Wong	1957	JavaScript (Node.js)	2021-02-09 03:10:44
8	Andoko Chandra	1967	JavaScript (Node.js)	2020-10-10 11:49:18
9	Farris Billy	2043	JavaScript (Node.js)	2021-03-15 08:49:16
10	Niamh Limerick	7558	JavaScript (Node.js)	2022-02-06 16:42:16

#	User	Length	Language	Date
1	Jimmy Gustafsson	420	JavaScript (SpiderMonkey)	2024-07-16 21:50:46
2	Christian Cederquist	846	JavaScript (SpiderMonkey)	2023-01-23 16:38:30
3	Omar Al-Khashab	917	JavaScript (SpiderMonkey)	2018-04-24 07:03:02
4	Bjørn Chr. Soltvedt	995	JavaScript (SpiderMonkey)	2016-01-13 13:26:45
5	Peter Menyes	1224	JavaScript (SpiderMonkey)	2017-08-25 17:34:02
6	J M	1300	JavaScript (SpiderMonkey)	2017-02-17 04:18:27
7	Peter Kedemo	1324	JavaScript (SpiderMonkey)	2015-12-19 20:04:40
8	Oskar	1350	JavaScript (SpiderMonkey)	2015-09-15 23:29:04
9	Alhasan Ahmed Abd	1683	JavaScript (SpiderMonkey)	2018-04-24 02:46:31
10	Alan Delaney	1752	JavaScript (SpiderMonkey)	2017-04-21 00:39:37

#	User	Length	Language	Date
1	Timothy Gaede	1166	Julia	2024-06-04 08:29:57

#	User	Length	Language	Date
1	Emil Wihlander	1167	Kotlin	2024-07-31 00:31:11
2	Hidden user	1215	Kotlin	2017-12-09 18:26:08
3	Einar Kjellback	1314	Kotlin	2019-12-03 17:47:18
4	Adam Rankin	1316	Kotlin	2023-09-16 23:19:07
5	Neil Harmon	1642	Kotlin	2019-04-11 14:38:51
6	Troy Warmboe	1981	Kotlin	2020-02-08 00:38:40
7	Zaw Myat	2091	Kotlin	2023-12-21 13:39:56

#	User	Length	Language	Date
1	Gabriella	2276	OCaml	2025-05-07 17:55:28
2	Brandon Tang	2278	OCaml	2023-07-17 09:17:00

#	User	Length	Language	Date
1	Renate	1118	PHP	2021-07-05 01:01:18
2	Steven D. Wilson	1185	PHP	2016-11-25 06:05:33
3	Frank Farkas	2610	PHP	2016-01-20 13:12:40
4	Susanne Ragnemalm	2883	PHP	2018-03-23 23:01:43

#	User	Length	Language	Date
1	Danny Robinson	984	Prolog	2023-10-22 02:50:00

#	User	Length	Language	Date
1	Thomas Feld	399	Python 2	2019-08-28 14:53:14
2	Hubert Teo	492	Python 2	2017-02-20 21:02:02
3	Andreas Eisele	559	Python 2	2018-10-19 17:52:06
4	Andreas Björklund	589	Python 2	2021-03-31 15:38:16
5	Haggai Liu	617	Python 2	2017-01-09 23:23:00
6	Haggai Liu	617	Python 2	2017-01-20 09:00:44
7	Jesper Öqvist	636	Python 2	2018-10-20 12:47:57
8	Asger Hautop Drewsen	651	Python 2	2015-11-18 17:31:19
9	Johan Wind	654	Python 2	2015-09-16 18:19:32
10	Frederik Højholt	681	Python 2	2015-11-22 21:41:15

#	User	Length	Language	Date
1	Robert Nix	308	Python 3	2023-10-30 22:42:48
2	Błażej Dariusz Roszkowski	343	Python 3	2024-03-31 19:44:18
3	Ahmed Chamseddine	413	Python 3	2024-07-25 12:43:45
4	Sebastian Finley	415	Python 3	2023-10-30 23:22:55
5	Tai Tze Kin	459	Python 3	2024-05-05 20:03:29
6	Vedran Čačić	470	Python 3	2019-01-20 19:36:44
7	Simon Baeckelant	514	Python 3	2024-12-02 07:36:15
8	Alan Zhou	526	Python 3	2025-03-01 08:20:59
9	Farzam Abrishami	543	Python 3	2024-01-21 17:04:15
10	Timothy White	547	Python 3	2023-03-25 03:47:34

#	User	Length	Language	Date
1	Lim Ming Yean	790	Ruby	2018-11-23 23:54:43
2	Kellen Watt	856	Ruby	2016-07-06 03:50:57
3	Erik Rydbert	871	Ruby	2016-07-15 08:50:53
4	Joy Cantimbuhan	1049	Ruby	2017-06-07 09:53:04
5	Lasse Berglund	1474	Ruby	2016-04-01 06:58:57
6	Casper Christensen	1620	Ruby	2016-01-05 11:53:45

#	User	Length	Language	Date
1	David Rasch	1267	Rust	2021-04-23 17:49:07
2	Pankajkumar Patro	1410	Rust	2024-12-16 19:57:17
3	Ming Kang	1600	Rust	2025-06-08 08:42:38
4	Kok Dith	1900	Rust	2021-08-13 05:36:00
5	Isak Jägberg	2845	Rust	2019-10-26 14:24:30
6	Bas Dirks	2882	Rust	2022-01-04 19:26:10
7	Hidden user	4495	Rust	2019-09-28 01:08:09
8	Vincent Lagerros	53408	Rust	2025-05-25 19:47:18

Solution running time distribution