Problem I
Quantum Superposition — Problem Statistics

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Submissions	4084
Accepted submissions	1295
Submission ratio	31.71%
Authors	1168
Accepted authors	971
Author ratio	83.13%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C	2019-09-11 12:01:55
2	Hidden user	0.01 s	C	2023-11-04 16:10:12
3	Bergur Snorrason	0.10 s	C	2022-02-17 17:14:05

#	User	Runtime	Language	Date
1	Erik Nyström	0.24 s	C#	2020-06-17 21:26:07

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2022-05-13 14:35:56

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.14 s	Haskell	2025-07-04 08:24:56
2	Brent Yorgey	0.49 s	Haskell	2024-07-15 21:52:03

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.09 s	Java	2020-07-08 18:39:44
2	Dylan Smith	0.17 s	Java	2022-01-24 04:07:42
3	Randy G	0.17 s	Java	2023-01-24 00:37:22
4	Daniel Moyer	0.18 s	Java	2017-10-14 23:26:48
5	Ariana Herbst	0.18 s	Java	2017-10-14 23:50:23
6	Charlotte Li	0.20 s	Java	2022-07-19 04:15:40
7	Finn Lidbetter	0.21 s	Java	2017-10-14 21:44:44
8	Nathaniel Lahn	0.21 s	Java	2017-10-14 22:15:43
9	Jerry Zhou	0.23 s	Java	2023-08-02 19:53:58
10	Jiru Xu	0.24 s	Java	2017-10-15 00:40:48

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.26 s	JavaScript (SpiderMonkey)	2023-09-23 20:55:34
2	Christian Cederquist	0.43 s	JavaScript (SpiderMonkey)	2023-10-31 16:52:16

#	User	Runtime	Language	Date
1	Josenildo Silva	0.09 s	Python 2	2018-03-24 03:36:04
2	Eric Williamson	0.11 s	Python 2	2017-10-14 21:50:57
3	Cian Ruane	0.11 s	Python 2	2017-10-15 01:34:20
4	Sergio Vieri	0.11 s	Python 2	2018-03-20 13:48:44
5	Victor Zheng	0.13 s	Python 2	2018-12-03 22:06:47
6	Andreas Björklund	0.14 s	Python 2	2019-07-30 18:19:56
7	Måns Magnusson	0.16 s	Python 2	2019-09-25 19:17:45
8	Björn Magnusson	0.16 s	Python 2	2019-09-25 19:18:12
9	Lars Åström	0.16 s	Python 2	2019-09-25 20:37:28
10	Maj Stenmark	0.16 s	Python 2	2019-09-25 22:03:34

#	User	Runtime	Language	Date
1	Akash Melethil	0.11 s	Python 3	2017-10-29 03:14:59
2	Victor Zheng	0.11 s	Python 3	2018-12-03 21:48:34
3	Oskar Haarklou Veileborg	0.11 s	Python 3	2022-09-24 14:08:47
4	crapcode	0.11 s	Python 3	2022-09-25 23:55:20
5	Jed Yang	0.13 s	Python 3	2025-01-03 05:18:09
6	Gv Bin	0.13 s	Python 3	2025-06-29 06:32:33
7	Jiaming Liu	0.14 s	Python 3	2023-05-30 17:42:03
8	William Volen	0.14 s	Python 3	2023-10-22 22:20:55
9	Ahmed Chamseddine	0.14 s	Python 3	2025-05-07 13:44:49
10	Cole Dewis	0.15 s	Python 3	2023-10-05 22:52:20

#	User	Runtime	Language	Date
1	Muhammad Irham Rasyidi	0.02 s	Rust	2019-07-29 13:34:43
2	Lasse Møldrup	0.06 s	Rust	2022-09-24 15:07:14
3	Bas Dirks	0.07 s	Rust	2024-02-24 14:01:27

#	User	Length	Language	Date
1	Hidden user	2454	C	2023-11-04 16:10:12
2	Hidden user	2538	C	2019-09-11 12:01:55
3	Bergur Snorrason	2538	C	2022-02-17 17:14:05

#	User	Length	Language	Date
1	Erik Nyström	4832	C#	2020-06-17 21:26:07

#	User	Length	Language	Date
1	Guan Han Li	663	C++	2022-10-04 00:16:52
2	Mathias Gernez	806	C++	2023-08-29 20:03:00
3	Ragur Krishnan	886	C++	2019-06-04 07:19:20
4	Teikn Smith	901	C++	2024-05-25 20:30:20
5	我谔谔	915	C++	2022-02-19 17:05:00
6	Peeranat Kongkijpipat	947	C++	2022-02-02 04:50:41
7	zengmaoyuan	950	C++	2024-05-03 08:59:10
8	Bảo Toàn Nguyễn Ngọc	952	C++	2024-10-28 03:21:30
9	eymen kara	972	C++	2025-01-27 18:14:23
10	Zac Friggstad	980	C++	2017-10-15 00:39:11

#	User	Length	Language	Date
1	Norbert Voelker	2207	Go	2022-05-13 14:35:56

#	User	Length	Language	Date
1	Steinar Simonnes	785	Haskell	2025-07-04 08:39:33
2	Brent Yorgey	9739	Haskell	2024-07-15 21:52:03

#	User	Length	Language	Date
1	Jiru Xu	1324	Java	2017-10-15 00:40:48
2	Doug Goodman	1445	Java	2018-04-12 00:02:08
3	Avery Whitaker	1717	Java	2017-10-14 23:09:59
4	Peter Steele	1777	Java	2017-10-14 20:47:56
5	Malte Larsson	1897	Java	2020-11-15 20:38:12
6	Suhas T. Nagar	1979	Java	2022-10-14 01:04:58
7	Paul Chen	2306	Java	2023-09-11 03:58:43
8	Ethan Li	2308	Java	2021-01-10 17:14:10
9	Crystal Sharpe	2383	Java	2020-07-08 18:29:42
10	Randy G	2399	Java	2023-01-24 00:37:22

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	523	JavaScript (SpiderMonkey)	2023-09-23 23:03:09
2	Christian Cederquist	1677	JavaScript (SpiderMonkey)	2023-10-31 16:52:16

#	User	Length	Language	Date
1	Victor Zheng	813	Python 2	2018-12-03 22:18:05
2	Jeff Robertson	884	Python 2	2017-10-15 00:58:23
3	Björn Magnusson	905	Python 2	2019-09-25 19:18:12
4	Lars Åström	905	Python 2	2019-09-25 20:37:28
5	Sergio Vieri	1004	Python 2	2018-03-20 13:48:44
6	Måns Magnusson	1073	Python 2	2019-09-25 19:17:45
7	Maj Stenmark	1073	Python 2	2019-09-25 22:03:34
8	Josenildo Silva	1103	Python 2	2018-03-24 03:36:04
9	Andreas Björklund	1154	Python 2	2019-07-30 18:19:56
10	Cian Ruane	1180	Python 2	2017-10-15 01:34:20

#	User	Length	Language	Date
1	Ahmed Chamseddine	460	Python 3	2025-05-07 13:44:49
2	Hidden user	681	Python 3	2025-06-15 18:18:52
3	Thomas Vu	786	Python 3	2018-03-17 07:46:21
4	Victor Zheng	793	Python 3	2018-12-03 22:17:48
5	Kelly Dance	824	Python 3	2023-04-10 02:22:41
6	Krish S	834	Python 3	2025-05-22 23:41:38
7	Zongliang Ji	877	Python 3	2017-10-14 23:37:10
8	Joshua Chin	879	Python 3	2017-10-14 21:39:47
9	Casper Rysgaard	913	Python 3	2022-09-24 14:20:58
10	Daniel Mitchell	929	Python 3	2017-10-15 00:33:29

#	User	Length	Language	Date
1	Lasse Møldrup	2273	Rust	2022-09-24 15:07:14
2	Bas Dirks	3945	Rust	2024-02-24 14:19:40
3	Muhammad Irham Rasyidi	4369	Rust	2019-07-29 13:34:43

Solution running time distribution