Problem C
Disastrous Doubling — Problem Statistics

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Submissions	2782
Accepted submissions	763
Submission ratio	27.43%
Authors	709
Full solves [?]	600
Full solve Ratio	84.63%

#	User	Runtime	Language	Date
1	Flep	0.01 s	C	2020-02-21 13:16:42
2	Hidden user	0.02 s	C	2019-04-13 07:02:42
3	Ivan Petrov	0.02 s	C	2019-07-10 06:22:12

#	User	Runtime	Language	Date
1	Andrzej Krajniak	0.08 s	C#	2017-11-08 18:08:24
2	Olivia Chen	0.52 s	C#	2025-10-19 18:33:35
3	Casper Christensen	1.13 s	C#	2019-05-25 17:22:59
4	Marek	1.23 s	C#	2017-11-08 18:16:29
5	Emil Nielsen	1.43 s	C#	2019-06-03 13:31:25
6	Jinghua Wang	1.46 s	C#	2019-06-03 13:34:42
7	Krzysztof Fryzlewicz	1.67 s	C#	2017-11-08 20:11:07

#	User	Runtime	Language	Date
1	Patrik Lilja	0.01 s	C++	2017-11-29 21:27:44
2	Henry Xia	0.01 s	C++	2020-03-11 04:37:11
3	Frank Endriss	0.01 s	C++	2021-02-26 17:15:09
4	freddy645645	0.01 s	C++	2022-07-20 13:24:26
5	Roy Makhlouf	0.01 s	C++	2022-09-22 14:12:43
6	Ho Lyun Jeong	0.01 s	C++	2022-12-13 22:41:42
7	Ethan Peng	0.01 s	C++	2022-12-14 01:00:54
8	Frederick Ivan Tan	0.01 s	C++	2023-02-04 07:12:51
9	Richard Wang	0.01 s	C++	2023-03-22 19:40:02
10	李连奇	0.01 s	C++	2024-01-18 06:12:04

#	User	Runtime	Language	Date
1	Norbert Voelker	0.03 s	Go	2023-03-28 21:46:57
2	Diamond	2.21 s	Go	2023-09-10 05:55:00

#	User	Runtime	Language	Date
1	Zach Tschetter	0.14 s	Haskell	2021-09-25 17:43:34
2	Brent Yorgey	0.21 s	Haskell	2018-01-14 06:28:48
3	Daniel Allendorf	0.43 s	Haskell	2018-03-26 08:19:59
4	Matthew Craven	0.43 s	Haskell	2018-09-15 14:51:02
5	Miguel Müller	0.50 s	Haskell	2017-11-29 17:04:38
6	Isaac Arvestad	0.50 s	Haskell	2019-10-12 14:45:38
7	Eoin Davey	0.51 s	Haskell	2017-12-02 22:08:31
8	Dominic Shillingford	1.28 s	Haskell	2018-02-11 22:57:38

#	User	Runtime	Language	Date
1	José Vander Meulen	0.15 s	Java	2018-02-20 16:25:26
2	Finn Lidbetter	0.17 s	Java	2018-02-19 14:22:15
3	Doug Goodman	0.17 s	Java	2018-09-23 14:29:52
4	Nick Wu	0.18 s	Java	2017-10-29 17:14:30
5	Jarik Karsten	0.18 s	Java	2018-09-27 16:41:44
6	Liam Keliher	0.20 s	Java	2017-12-11 20:56:21
7	Martin Jakobsson	0.21 s	Java	2017-10-31 21:05:56
8	Kadin Tang	0.24 s	Java	2020-09-23 05:02:01
9	Åke Wettergren	0.25 s	Java	2019-11-21 14:51:27
10	Clement Oh	0.25 s	Java	2022-12-27 16:20:55

#	User	Runtime	Language	Date
1	Bas Dirks	0.39 s	JavaScript (Node.js)	2024-01-21 21:09:07

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	1.60 s	JavaScript (SpiderMonkey)	2017-11-20 02:31:19
2	Christian Pilegaard Cederquist	1.67 s	JavaScript (SpiderMonkey)	2023-02-09 01:04:05

#	User	Runtime	Language	Date
1	Timothy Gaede	0.74 s	Julia	2024-09-18 09:07:43

#	User	Runtime	Language	Date
1	Jacob Huebner	0.21 s	Kotlin	2021-07-10 14:34:41
2	Phường Lên	0.95 s	Kotlin	2019-11-09 02:27:21
3	Hidden user	0.97 s	Kotlin	2017-11-25 22:58:53
4	Filip Belik	1.01 s	Kotlin	2019-11-09 03:09:46
5	Caden G	1.03 s	Kotlin	2019-11-11 15:05:04
6	Adam Rankin	1.05 s	Kotlin	2023-10-23 21:18:53
7	Magnus Tønnessen	1.13 s	Kotlin	2025-06-17 14:52:10

#	User	Runtime	Language	Date
1	Sigurður Jens Albertsson	0.05 s	Python 2	2017-11-28 12:11:00
2	Lars Åström	0.05 s	Python 2	2019-04-28 16:19:24
3	Jasmin Baniya	0.21 s	Python 2	2017-11-03 02:49:00
4	Muzakhir Amanzholov	0.21 s	Python 2	2017-11-03 18:50:05
5	Martin Wan	0.31 s	Python 2	2017-10-29 17:33:41
6	Lars Hummelgren	0.32 s	Python 2	2017-10-26 11:49:27
7	Hidden user	0.32 s	Python 2	2017-10-29 17:27:20
8	Adriaan de Vries	0.32 s	Python 2	2017-10-31 11:34:38
9	Hidden user	0.32 s	Python 2	2018-04-13 19:13:48
10	Alex Zhao	0.32 s	Python 2	2018-04-14 17:41:52

#	User	Runtime	Language	Date
1	Måns Magnusson	0.06 s	Python 3	2017-10-31 12:31:24
2	Rick van Rheenen	0.06 s	Python 3	2018-03-06 15:41:23
3	Aseman Raki	0.06 s	Python 3	2025-10-10 23:33:39
4	Abhishek Kumar	0.06 s	Python 3	2025-10-19 22:22:24
5	Ales Domjanic	0.07 s	Python 3	2019-04-17 09:05:17
6	Hidden user	0.07 s	Python 3	2022-08-07 18:56:33
7	Michael Goldwasser	0.07 s	Python 3	2024-08-29 02:05:24
8	Jeroen Op de Beek	0.07 s	Python 3	2024-09-23 23:17:36
9	Kelly Dance	0.07 s	Python 3	2024-09-25 14:24:14
10	Paco Criado	0.07 s	Python 3	2025-11-18 17:25:12

#	User	Runtime	Language	Date
1	Miorel Palii	0.08 s	Ruby	2017-12-19 08:06:35
2	Reshab Chhabra	0.45 s	Ruby	2018-03-02 22:32:31
3	Thomas Feld	0.59 s	Ruby	2023-03-28 10:00:25

#	User	Runtime	Language	Date
1	Joep Jansen	0.01 s	Rust	2021-01-31 13:14:02
2	Vincent Lagerros	0.01 s	Rust	2024-07-26 15:18:30
3	Hidden user	0.01 s	Rust	2025-02-04 17:10:39

#	User	Length	Language	Date
1	Ivan Petrov	649	C	2019-07-10 06:22:12
2	Hidden user	998	C	2019-04-13 07:02:42
3	Flep	1619	C	2020-02-21 13:16:42

#	User	Length	Language	Date
1	Olivia Chen	529	C#	2025-10-19 18:33:35
2	Casper Christensen	672	C#	2019-05-25 17:22:59
3	Marek	766	C#	2017-11-08 18:16:29
4	Krzysztof Fryzlewicz	846	C#	2017-11-08 20:11:07
5	Jinghua Wang	943	C#	2019-06-03 13:34:42
6	Emil Nielsen	1166	C#	2019-06-03 13:31:25
7	Andrzej Krajniak	9332	C#	2017-11-08 18:08:24

#	User	Length	Language	Date
1	Johan Wind	392	C++	2018-03-18 21:58:52
2	Hidden user	445	C++	2018-04-14 17:18:28
3	Kalea Sastra	454	C++	2023-05-06 00:04:02
4	Eric Hu	471	C++	2021-07-10 17:04:25
5	Timon Knigge	482	C++	2017-10-24 17:24:13
6	Ezra Furtado-Tiwari	499	C++	2025-10-19 18:23:33
7	Frederik Vase	515	C++	2025-10-12 22:51:55
8	Ho Phi Long	516	C++	2018-04-08 07:36:28
9	Armen Andreasyan	529	C++	2024-06-28 07:31:45
10	Xiaoyang Xu	530	C++	2025-10-19 22:31:06

#	User	Length	Language	Date
1	Diamond	614	Go	2023-09-10 05:55:00
2	Norbert Voelker	712	Go	2023-03-28 21:46:57

#	User	Length	Language	Date
1	Miguel Müller	267	Haskell	2017-11-29 17:04:38
2	Matthew Craven	285	Haskell	2018-09-15 14:51:02
3	Eoin Davey	316	Haskell	2017-12-02 22:08:31
4	Daniel Allendorf	363	Haskell	2018-03-26 08:19:59
5	Zach Tschetter	402	Haskell	2021-09-25 17:43:34
6	Isaac Arvestad	466	Haskell	2019-10-12 14:45:38
7	Dominic Shillingford	489	Haskell	2018-02-11 22:57:38
8	Brent Yorgey	1787	Haskell	2018-01-14 06:28:48

#	User	Length	Language	Date
1	Reuben James Loquinario	548	Java	2025-09-30 11:44:24
2	Lam Nguyen	612	Java	2019-11-09 02:25:57
3	Brendan Jones	643	Java	2022-12-01 04:09:34
4	Adam Teskey	674	Java	2018-02-20 21:45:46
5	Pedram Asadzadhe	677	Java	2018-04-26 22:20:17
6	Jiru Xu	685	Java	2017-10-30 20:46:04
7	Azael Zamora	685	Java	2020-03-10 03:37:58
8	Chris Sun	694	Java	2020-03-12 18:49:39
9	Kate Dempsey	710	Java	2020-01-30 00:51:30
10	Ernest Ng Zi Xuan	755	Java	2022-12-31 04:32:23

#	User	Length	Language	Date
1	Bas Dirks	568	JavaScript (Node.js)	2024-01-21 21:09:07

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	289	JavaScript (SpiderMonkey)	2023-02-09 01:00:41
2	Bjørn Chr. Soltvedt	18170	JavaScript (SpiderMonkey)	2017-11-20 02:31:19

#	User	Length	Language	Date
1	Timothy Gaede	733	Julia	2024-09-18 09:07:43

#	User	Length	Language	Date
1	Hidden user	462	Kotlin	2017-11-25 22:58:53
2	Magnus Tønnessen	465	Kotlin	2025-06-17 14:52:10
3	Filip Belik	496	Kotlin	2019-11-09 03:09:46
4	Caden G	496	Kotlin	2019-11-11 15:05:04
5	Adam Rankin	531	Kotlin	2023-10-23 21:18:53
6	Phường Lên	587	Kotlin	2019-11-09 02:27:21
7	Jacob Huebner	2156	Kotlin	2021-07-10 14:34:41

#	User	Length	Language	Date
1	Thomas Feld	139	Python 2	2019-08-16 13:00:39
2	Muzakhir Amanzholov	170	Python 2	2017-11-03 18:50:05
3	Wang Zhi Jian	192	Python 2	2019-04-20 16:16:41
4	Jasmin Baniya	195	Python 2	2017-11-03 02:49:00
5	Alex Zhao	206	Python 2	2018-04-14 17:41:52
6	Andreas Eisele	212	Python 2	2018-09-15 13:57:02
7	Adriaan de Vries	221	Python 2	2017-10-31 11:34:38
8	Eduardo Trujillo	226	Python 2	2018-08-12 16:52:12
9	Johan Lyts	232	Python 2	2021-01-15 21:07:44
10	Andreas Björklund	250	Python 2	2019-10-22 06:26:59

#	User	Length	Language	Date
1	Charles Ancheta	102	Python 3	2023-03-19 05:33:57
2	Clement Oh	104	Python 3	2023-07-06 19:32:00
3	Ahmed Chamseddine	105	Python 3	2024-03-13 09:19:33
4	Teikn Smith	114	Python 3	2024-02-01 15:30:17
5	Rafael Kristoforus Yanto	119	Python 3	2025-02-23 05:36:17
6	Jason Clarke	133	Python 3	2024-04-09 07:50:13
7	Michael Goldwasser	138	Python 3	2024-08-29 02:05:24
8	Farzam Abrishami	142	Python 3	2024-01-26 20:03:57
9	Hidden user	145	Python 3	2022-12-03 20:41:58
10	Victor Song	148	Python 3	2021-03-20 01:09:27

#	User	Length	Language	Date
1	Thomas Feld	67	Ruby	2023-03-28 10:01:05
2	Reshab Chhabra	236	Ruby	2018-03-02 22:32:31
3	Miorel Palii	344	Ruby	2017-12-19 08:06:35

#	User	Length	Language	Date
1	Joep Jansen	1616	Rust	2021-01-31 13:14:02
2	Hidden user	5935	Rust	2025-02-04 17:10:39
3	Vincent Lagerros	6004	Rust	2024-07-26 15:18:30

Solution running time distribution