Problem I
Disastrous Downtime — Problem Statistics

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Submissions	10667
Accepted submissions	3586
Submission ratio	33.62%
Authors	3065
Accepted authors	2616
Author ratio	85.35%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-01-27 17:14:48
2	Anton Siderud	0.00 s	C	2020-04-01 18:43:11
3	Samuel Wirajaya	0.01 s	C	2015-12-14 06:30:54
4	Christian Lindeström	0.01 s	C	2016-08-15 02:35:59
5	Olav Røthe Bakken	0.01 s	C	2018-01-03 13:56:09
6	Seth Carter	0.01 s	C	2018-02-24 01:11:16
7	Ulises García	0.01 s	C	2018-02-27 00:47:12
8	Grayce Zhu	0.01 s	C	2018-09-30 23:27:34
9	Andree Kaba	0.01 s	C	2018-10-12 22:56:18
10	Andreas Björklund	0.01 s	C	2018-12-06 17:02:51

#	User	Runtime	Language	Date
1	Gunnar Kreitz	0.05 s	C#	2015-10-10 10:30:37
2	Sergey Atrashkevich	0.05 s	C#	2015-10-10 14:35:01
3	Linda Hansson	0.05 s	C#	2015-10-13 17:05:19
4	Lukas Polacek	0.05 s	C#	2016-11-19 17:30:29
5	Victor Öman	0.05 s	C#	2017-05-31 13:22:56
6	Henrik Forsberg	0.05 s	C#	2017-05-31 13:35:12
7	Linus Yng	0.05 s	C#	2017-05-31 13:37:48
8	Michael Gulliksen	0.05 s	C#	2017-06-07 16:02:29
9	Marius Løkketangen	0.05 s	C#	2017-06-07 16:20:57
10	Fredrik Nystad	0.05 s	C#	2017-11-17 15:59:50

#	User	Runtime	Language	Date
1	Albert Leung	0.05 s	Go	2024-08-14 03:53:40
2	Norbert Voelker	0.08 s	Go	2021-11-12 16:20:44
3	Kjell Erik Reed Anda	0.09 s	Go	2018-12-13 15:39:31
4	Krzysztof Gibuła	0.09 s	Go	2021-03-28 16:22:23
5	Neal McCarthy	0.11 s	Go	2019-04-10 21:07:10
6	Johannes Larsson	0.11 s	Go	2019-06-08 15:56:59
7	Anna Winters	0.12 s	Go	2016-10-17 16:17:14
8	Hidden user	0.14 s	Go	2015-10-10 14:18:28
9	n k	0.74 s	Go	2025-01-27 20:58:42
10	Eddy Wu	0.89 s	Go	2018-12-22 02:40:10

#	User	Runtime	Language	Date
1	Matthew Gvasalia	0.03 s	Haskell	2024-05-18 01:39:24
2	Steinar Simonnes	0.03 s	Haskell	2024-10-25 06:28:22
3	Zach Tschetter	0.04 s	Haskell	2021-04-24 23:52:02
4	Brent Yorgey	0.10 s	Haskell	2018-10-27 16:25:14
5	Frank Staals	0.18 s	Haskell	2015-10-11 21:15:07
6	Hidden user	0.21 s	Haskell	2020-05-02 23:44:12
7	Hidden user	0.25 s	Haskell	2022-01-23 06:23:19
8	Sanjay Singh	0.31 s	Haskell	2024-11-10 02:14:46
9	Rudy Matela	0.37 s	Haskell	2023-09-10 12:44:33
10	Matthew Craven	0.42 s	Haskell	2020-08-29 18:35:39

#	User	Runtime	Language	Date
1	Shreyas Jamadagni	0.05 s	Java	2024-10-20 16:08:34
2	Paul Boddington	0.07 s	Java	2016-05-04 01:43:01
3	Khánh Nguyễn Tiến	0.07 s	Java	2018-08-13 18:14:21
4	TestingFunny	0.07 s	Java	2018-08-13 19:20:23
5	Sven Rönnbäck	0.07 s	Java	2021-11-21 08:04:37
6	Santiago Gutierrez Alzate	0.08 s	Java	2015-10-31 19:43:00
7	Pradyumn Agrawal	0.08 s	Java	2017-11-04 12:18:26
8	Dat Vo Nguyen Tien	0.08 s	Java	2022-01-21 06:54:03
9	Sparsh Sanchorawala	0.08 s	Java	2022-11-04 23:17:36
10	Anders Hagward	0.09 s	Java	2015-10-31 20:36:40

#	User	Runtime	Language	Date
1	Serena Lynas	0.17 s	JavaScript (Node.js)	2025-03-29 19:30:19
2	Imran Syed	0.45 s	JavaScript (Node.js)	2019-11-24 16:02:20
3	Suryakant Kumar	0.47 s	JavaScript (Node.js)	2021-04-24 15:46:16
4	Yupeng Gu	0.47 s	JavaScript (Node.js)	2020-04-21 20:46:50
5	Samuel Larsson	0.51 s	JavaScript (Node.js)	2021-05-26 13:47:17

#	User	Runtime	Language	Date
1	Nicklas Utgaard	0.05 s	JavaScript (SpiderMonkey)	2017-06-07 16:09:14
2	Nguyễn Hùng Cường	0.05 s	JavaScript (SpiderMonkey)	2018-08-15 08:44:21
3	Christian Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-06-09 16:45:27
4	Srimaan	0.06 s	JavaScript (SpiderMonkey)	2021-05-26 06:11:51
5	Bjørn Chr. Soltvedt	0.19 s	JavaScript (SpiderMonkey)	2020-08-27 12:29:07

#	User	Runtime	Language	Date
1	Noszály Csaba	0.44 s	Julia	2025-04-11 06:55:47
2	Timothy Gaede	0.96 s	Julia	2024-08-07 11:35:36

#	User	Runtime	Language	Date
1	Johnny Baloney	0.21 s	Kotlin	2021-12-26 16:28:43
2	Daniel Taco Törbacka	0.26 s	Kotlin	2018-04-24 08:16:42
3	Ravisai Tiruvuri	0.26 s	Kotlin	2024-04-28 16:47:44
4	Adam Rankin	0.36 s	Kotlin	2023-09-20 06:53:13
5	Dayan Ruben Gonzalez	0.42 s	Kotlin	2020-10-08 03:40:37
6	Adam Koprowski	0.45 s	Kotlin	2020-08-17 22:44:02
7	Aaron Lamoreaux	0.45 s	Kotlin	2021-06-28 03:27:13
8	Στέλιος Γάκης	0.55 s	Kotlin	2020-10-30 01:33:55

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	OCaml	2024-01-10 19:40:55

#	User	Runtime	Language	Date
1	crapcode	0.03 s	PHP	2022-06-05 02:36:10
2	Susanne Ragnemalm	0.66 s	PHP	2018-06-10 23:18:20

#	User	Runtime	Language	Date
1	LiU Extra 3	0.04 s	Python 2	2015-10-10 11:25:10
2	Oskar Haarklou Veileborg	0.04 s	Python 2	2015-10-10 22:42:52
3	Christofer Ohlsson	0.04 s	Python 2	2015-10-11 15:45:42
4	Asger Hautop Drewsen	0.04 s	Python 2	2015-10-11 18:49:42
5	Mikael Hedin	0.04 s	Python 2	2015-10-22 16:27:01
6	Gustaf Blomqvist	0.04 s	Python 2	2019-07-04 15:18:39
7	Urban Pettersson	0.05 s	Python 2	2015-10-11 16:38:20
8	Hidden user	0.05 s	Python 2	2015-10-11 18:38:02
9	Sindre Magnussen	0.05 s	Python 2	2016-04-15 15:42:19
10	Josenildo Silva	0.05 s	Python 2	2017-03-31 17:26:33

#	User	Runtime	Language	Date
1	Gustaf Blomqvist	0.05 s	Python 3	2019-07-04 14:14:15
2	Will Belote	0.06 s	Python 3	2019-11-12 16:21:58
3	Yi-Min Seah	0.06 s	Python 3	2022-09-27 15:48:14
4	Spencer Tran	0.06 s	Python 3	2024-10-12 20:11:22
5	Florian ten Napel	0.06 s	Python 3	2025-03-12 11:38:43
6	Eric Yu	0.06 s	Python 3	2025-04-03 23:05:50
7	Diego Randolp Quispe Apaza	0.06 s	Python 3	2025-05-09 21:25:30
8	Ming Peng	0.07 s	Python 3	2019-02-04 15:54:31
9	Christian Lebeda	0.07 s	Python 3	2021-02-10 21:48:09
10	Danil Braun	0.07 s	Python 3	2022-02-09 03:19:16

#	User	Runtime	Language	Date
1	Reed Harris	0.09 s	Ruby	2018-03-19 20:24:10
2	Uğurcan Eser	0.10 s	Ruby	2018-11-07 07:59:01
3	Thomas Feld	0.72 s	Ruby	2023-05-04 10:34:23
4	Krzysztof Hasinski	2.51 s	Ruby	2022-03-13 15:58:59

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-05-17 19:30:04
2	Adam Gausmann	0.01 s	Rust	2019-03-15 12:20:36
3	Gustaf Blomqvist	0.01 s	Rust	2019-07-04 00:17:57
4	André Palmborg	0.01 s	Rust	2020-03-31 01:13:59
5	Pahlevi Fikri Auliya	0.01 s	Rust	2020-10-23 01:24:26
6	Reis Faar	0.01 s	Rust	2023-04-08 14:57:53
7	Zheyu Shen	0.01 s	Rust	2024-02-09 14:05:07
8	jaswanth	0.01 s	Rust	2024-06-17 14:56:30
9	Руслан Правосуд	0.01 s	Rust	2024-11-04 08:45:07
10	Egor Kulikov	0.01 s	Rust	2024-12-27 15:22:53

#	User	Length	Language	Date
1	Florian ten Napel	186	C	2025-03-12 04:13:50
2	Christian Lindeström	275	C	2016-08-15 02:35:59
3	sicupu	372	C	2020-09-27 16:23:21
4	Martin Vonheim Larsen	455	C	2015-10-10 17:53:46
5	klimisnotmilk	457	C	2024-04-02 04:18:16
6	Marcus Blücher	461	C	2020-04-07 12:59:57
7	Ulises García	476	C	2018-02-27 00:47:12
8	Samuel Wirajaya	483	C	2015-12-14 06:30:54
9	Seth Carter	514	C	2018-02-24 01:11:16
10	Ivan Petrov	615	C	2019-07-04 09:38:39

#	User	Length	Language	Date
1	Marius Løkketangen	645	C#	2017-06-07 16:20:57
2	Alex Laurila	764	C#	2023-05-21 13:18:46
3	Michael Gulliksen	788	C#	2017-06-07 16:02:29
4	Gunnar Kreitz	887	C#	2015-10-10 10:30:37
5	Lukas Polacek	887	C#	2016-11-19 17:30:29
6	Christoffer Lundqvist	890	C#	2021-04-10 14:15:58
7	Tom Ilestrand	922	C#	2019-02-14 14:42:28
8	Sanny	942	C#	2021-03-26 07:11:06
9	Linus Yng	950	C#	2017-05-31 13:37:48
10	KARTTIK PAL	954	C#	2019-04-14 12:05:38

#	User	Length	Language	Date
1	Ajay Theetharappan	196	C++	2020-02-16 11:10:41
2	oy9r	246	C++	2024-03-31 07:25:14
3	Manshant Singh Kohli	259	C++	2016-05-28 07:53:36
4	Hidden user	275	C++	2024-02-17 14:15:28
5	Elias Lolck	285	C++	2023-08-17 01:16:22
6	Gerth Stølting Brodal	286	C++	2015-10-11 16:30:39
7	Nickir Tay	295	C++	2017-11-19 10:34:20
8	Francisco Bruno Dias Ribeiro da Silva	299	C++	2021-11-22 21:09:04
9	Ganapathy Sanath Balaji	300	C++	2019-08-09 16:42:14
10	Lee Zheng Han	303	C++	2022-12-09 18:40:28

#	User	Length	Language	Date
1	Mehmet Salih Kemaloğlu	447	Go	2020-04-05 17:17:54
2	Hidden user	447	Go	2020-04-05 17:14:28
3	Norbert Voelker	673	Go	2021-11-12 16:20:44
4	Krzysztof Gibuła	777	Go	2021-03-28 16:22:23
5	Eddy Wu	861	Go	2018-12-22 05:48:33
6	Markus Weller	963	Go	2019-04-02 19:28:33
7	Albert Leung	1176	Go	2021-06-20 16:52:35
8	Johannes Larsson	1214	Go	2019-06-08 15:56:59
9	Neal McCarthy	1252	Go	2019-04-10 21:07:10
10	Kjell Erik Reed Anda	1253	Go	2018-12-13 15:39:31

#	User	Length	Language	Date
1	Matthew Craven	353	Haskell	2020-08-29 18:35:39
2	Hidden user	501	Haskell	2022-01-23 06:23:19
3	Lars Lønne	621	Haskell	2016-09-30 15:09:45
4	Rudy Matela	782	Haskell	2023-09-10 12:44:33
5	Steinar Simonnes	895	Haskell	2024-10-25 06:28:22
6	Sanjay Singh	900	Haskell	2024-11-10 06:37:24
7	Hidden user	907	Haskell	2020-05-02 23:44:12
8	Frank Staals	951	Haskell	2015-10-11 21:15:07
9	Zach Tschetter	1010	Haskell	2021-04-24 23:52:02
10	Brent Yorgey	1042	Haskell	2018-10-27 16:25:14

#	User	Length	Language	Date
1	Yeung Man Tsung	426	Java	2022-06-22 09:43:47
2	Natalie Longtin	440	Java	2018-01-08 20:48:31
3	Doug Goodman	483	Java	2017-07-28 15:55:28
4	Austin Legatt	534	Java	2022-09-16 17:38:22
5	Michela Vieri	538	Java	2020-10-29 07:00:36
6	Swetha Ranga	544	Java	2023-01-26 07:35:10
7	Jonas Sjöstrand	551	Java	2015-10-18 00:32:15
8	Tiffani Slutsky	557	Java	2018-01-10 02:41:42
9	Manisha Chandran	560	Java	2022-04-17 02:10:57
10	Mayur Suresh	566	Java	2022-01-17 22:30:33

#	User	Length	Language	Date
1	Yupeng Gu	808	JavaScript (Node.js)	2020-04-21 20:46:50
2	Imran Syed	819	JavaScript (Node.js)	2019-11-24 16:02:20
3	Serena Lynas	822	JavaScript (Node.js)	2025-03-29 19:30:19
4	Samuel Larsson	885	JavaScript (Node.js)	2021-05-26 13:47:17
5	Suryakant Kumar	1167	JavaScript (Node.js)	2021-04-24 15:46:16

#	User	Length	Language	Date
1	Christian Cederquist	362	JavaScript (SpiderMonkey)	2023-06-09 16:47:53
2	Nguyễn Hùng Cường	372	JavaScript (SpiderMonkey)	2018-08-15 08:44:21
3	Bjørn Chr. Soltvedt	393	JavaScript (SpiderMonkey)	2020-08-27 12:29:07
4	Srimaan	490	JavaScript (SpiderMonkey)	2021-05-26 06:11:51
5	Nicklas Utgaard	509	JavaScript (SpiderMonkey)	2017-06-07 16:09:14

#	User	Length	Language	Date
1	Noszály Csaba	151	Julia	2025-04-11 07:04:01
2	Timothy Gaede	2015	Julia	2024-08-07 12:30:49

#	User	Length	Language	Date
1	Aaron Lamoreaux	343	Kotlin	2021-06-28 03:27:13
2	Adam Koprowski	485	Kotlin	2020-08-17 22:44:02
3	Dayan Ruben Gonzalez	503	Kotlin	2020-10-08 03:40:37
4	Adam Rankin	553	Kotlin	2023-09-20 06:53:13
5	Johnny Baloney	825	Kotlin	2021-12-26 16:58:23
6	Στέλιος Γάκης	1014	Kotlin	2020-10-30 01:35:33
7	Daniel Taco Törbacka	3795	Kotlin	2018-04-24 08:16:42
8	Ravisai Tiruvuri	5861	Kotlin	2024-04-28 16:47:44

#	User	Length	Language	Date
1	Hidden user	917	OCaml	2024-01-10 19:49:02

#	User	Length	Language	Date
1	crapcode	241	PHP	2022-06-05 02:31:01
2	Susanne Ragnemalm	1288	PHP	2018-06-10 23:18:20

#	User	Length	Language	Date
1	Thomas Feld	176	Python 2	2019-08-27 15:53:35
2	LiU Extra 3	184	Python 2	2015-10-10 11:17:59
3	Eoin Davey	228	Python 2	2017-10-16 18:10:26
4	Jesper Öqvist	250	Python 2	2018-05-24 10:47:03
5	Johannes Agestam	266	Python 2	2015-10-14 14:14:47
6	Vifill Sverrisson	268	Python 2	2017-12-26 19:07:49
7	Oskar Haarklou Veileborg	273	Python 2	2015-10-10 22:42:52
8	Asger Hautop Drewsen	273	Python 2	2015-10-11 18:49:42
9	Ragur Krishnan	291	Python 2	2018-01-14 03:35:30
10	Lars Åström	305	Python 2	2018-04-09 22:04:07

#	User	Length	Language	Date
1	Shashank Bhatt	140	Python 3	2024-06-24 21:14:31
2	Florian ten Napel	157	Python 3	2025-03-12 11:44:08
3	Guk Yi Siong	170	Python 3	2024-12-19 08:53:32
4	Ahmed Chamseddine	171	Python 3	2024-12-29 23:38:28
5	Ritesh Chhabra	172	Python 3	2018-01-12 14:37:52
6	Hidden user	174	Python 3	2023-05-05 01:22:56
7	Hidden user	176	Python 3	2020-04-05 17:08:38
8	Suryakant Baluni	184	Python 3	2019-08-20 09:29:36
9	Hidden user	184	Python 3	2019-12-19 23:08:58
10	Oussama	184	Python 3	2019-12-19 23:52:37

#	User	Length	Language	Date
1	Thomas Feld	105	Ruby	2023-05-04 10:35:05
2	Uğurcan Eser	385	Ruby	2018-11-07 07:59:01
3	Reed Harris	476	Ruby	2018-03-19 20:24:10
4	Krzysztof Hasinski	746	Ruby	2022-03-13 15:58:59

#	User	Length	Language	Date
1	Gustaf Blomqvist	601	Rust	2019-09-29 04:10:00
2	Florian ten Napel	635	Rust	2025-03-11 16:09:39
3	Adam Gausmann	775	Rust	2019-03-15 12:20:36
4	Bas Dirks	891	Rust	2022-01-15 18:52:45
5	André Palmborg	994	Rust	2020-03-31 01:13:59
6	Zheyu Shen	1001	Rust	2024-02-09 14:05:07
7	Hidden user	1085	Rust	2024-12-30 07:46:12
8	Hidden user	1193	Rust	2025-03-10 15:43:39
9	Jonathan Jiang	1194	Rust	2021-04-19 17:51:34
10	Nicolas Bliss-Carrascosa	1212	Rust	2025-03-25 00:59:16

Solution running time distribution