Problem A
Cracking The Safe — Problem Statistics

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Submissions	1030
Accepted submissions	557
Submission ratio	54.08%
Authors	498
Full solves [?]	442
Full solve Ratio	88.76%

#	User	Runtime	Language	Date
1	Agis Daniels	0.00 s	C	2022-02-16 18:20:43
2	Mirel Cosulschi	0.00 s	C	2025-02-18 16:49:56
3	Bergur Snorrason	0.01 s	C	2019-04-11 13:37:00
4	Raymond Yang	0.01 s	C	2021-10-16 05:45:28
5	Teikn Smith	0.01 s	C	2022-08-11 04:39:17

#	User	Runtime	Language	Date
1	Jie Fan	0.02 s	C#	2022-07-20 21:09:31
2	Matias Suarez	0.36 s	C#	2025-06-26 15:17:01
3	Brandon	0.36 s	C#	2025-06-26 15:40:39

#	User	Runtime	Language	Date
1	Norbert Voelker	0.10 s	Go	2021-09-18 00:42:46

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.02 s	Haskell	2024-09-29 21:19:46

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.06 s	Java	2024-11-28 00:06:35
2	Steven Cheng	0.07 s	Java	2020-05-01 02:46:20
3	Jayson Rook	0.08 s	Java	2016-10-07 20:35:51
4	Anthony Pagnotta	0.08 s	Java	2025-03-29 06:57:09
5	Micah Stairs	0.09 s	Java	2016-07-09 06:41:44
6	Eduardo Howard Torres	0.09 s	Java	2016-09-22 20:44:56
7	Hidden user	0.09 s	Java	2017-08-31 15:03:22
8	Brent Yorgey	0.09 s	Java	2020-04-28 13:21:45
9	William Fiset	0.10 s	Java	2016-10-25 15:17:21
10	Intrets	0.10 s	Java	2020-06-14 21:25:03

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.14 s	JavaScript (SpiderMonkey)	2017-10-09 21:21:02
2	Christian Pilegaard Cederquist	0.21 s	JavaScript (SpiderMonkey)	2023-05-30 02:53:09

#	User	Runtime	Language	Date
1	Timothy Gaede	0.57 s	Julia	2025-05-27 15:35:16

#	User	Runtime	Language	Date
1	Frederik Bjørn Groben Nielsen	0.29 s	Kotlin	2018-09-11 17:52:08
2	Adam Rankin	0.46 s	Kotlin	2023-09-20 19:45:38
3	Sara Valentina	0.60 s	Kotlin	2024-05-15 07:27:40

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.13 s	Python 2	2019-03-19 14:32:52
2	Andreas Björklund	0.13 s	Python 2	2021-04-12 19:07:43
3	Godmar Back	0.21 s	Python 2	2019-01-01 03:14:48
4	Trí Thức	0.22 s	Python 2	2019-09-24 23:52:31
5	Taeho Kim	0.23 s	Python 2	2021-01-25 08:44:07
6	Hermon Mulat	0.30 s	Python 2	2017-01-25 04:25:49
7	Lars Åström	0.41 s	Python 2	2019-09-19 08:38:30
8	Johann Ly	0.68 s	Python 2	2018-12-27 08:09:30

#	User	Runtime	Language	Date
1	Ryan O'Hara	0.05 s	Python 3	2023-11-13 02:37:31
2	Lawry Sorenson	0.06 s	Python 3	2024-11-15 02:37:03
3	Prateek Bhakta	0.06 s	Python 3	2025-09-11 00:52:52
4	James Hamm	0.08 s	Python 3	2018-04-10 19:21:47
5	Hidden user	0.12 s	Python 3	2020-06-14 20:25:49
6	HeroHFM	0.12 s	Python 3	2022-12-11 22:10:13
7	Andrew Ferguson	0.13 s	Python 3	2022-10-12 05:59:44
8	Joseph Kang	0.13 s	Python 3	2023-04-08 20:49:21
9	Hidden user	0.13 s	Python 3	2023-08-16 10:52:01
10	Ku Hyeon Seo	0.13 s	Python 3	2024-12-03 14:10:27

#	User	Runtime	Language	Date
1	Erik Magnusson	0.01 s	Rust	2024-06-13 10:32:31
2	Bas Dirks	0.02 s	Rust	2022-05-03 16:14:28

#	User	Length	Language	Date
1	Teikn Smith	784	C	2022-08-11 04:39:17
2	Raymond Yang	940	C	2021-10-16 05:45:28
3	Agis Daniels	1804	C	2022-02-16 18:18:36
4	Mirel Cosulschi	2347	C	2025-02-18 16:49:56
5	Bergur Snorrason	2625	C	2019-04-11 13:40:15

#	User	Length	Language	Date
1	Brandon	1663	C#	2025-06-26 15:40:39
2	Matias Suarez	1725	C#	2025-06-26 15:17:01
3	Jie Fan	3533	C#	2022-07-20 21:09:31

#	User	Length	Language	Date
1	Ragur Krishnan	704	C++	2018-06-26 20:01:20
2	William Gan	735	C++	2018-12-04 15:19:01
3	Johan Wind	769	C++	2016-10-01 13:17:47
4	Allen Hu	800	C++	2020-04-24 16:53:45
5	Sean Wei	814	C++	2020-04-24 17:20:33
6	Alex Dai	832	C++	2016-08-10 10:30:31
7	成俊宏	837	C++	2020-11-25 15:29:41
8	Jerome Leow	861	C++	2020-11-16 03:23:31
9	Theo Ebenhoech	873	C++	2019-05-09 02:41:14
10	Mugeon Kim	889	C++	2025-02-25 05:59:24

#	User	Length	Language	Date
1	Norbert Voelker	1741	Go	2021-09-18 00:42:46

#	User	Length	Language	Date
1	Steinar Simonnes	1696	Haskell	2024-09-29 21:14:04

#	User	Length	Language	Date
1	Matthew Worley	1351	Java	2016-09-24 17:06:42
2	Jayson Rook	1423	Java	2016-10-07 20:35:51
3	Paul Boddington	1466	Java	2017-01-28 00:43:47
4	Hidden user	1513	Java	2018-12-25 20:59:13
5	Shawn Hatchwell	1568	Java	2017-02-03 20:37:30
6	Danniel Alcantara	1654	Java	2023-05-17 02:59:23
7	Marc Dominic San Pedro	1668	Java	2019-12-12 11:32:24
8	Doug Goodman	1764	Java	2017-09-25 04:13:47
9	Crystal Sharpe	1771	Java	2020-05-31 01:37:15
10	Andrew Lyubovsky	1908	Java	2017-12-09 06:10:41

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1133	JavaScript (SpiderMonkey)	2023-05-30 02:53:09
2	Bjørn Chr. Soltvedt	1920	JavaScript (SpiderMonkey)	2017-10-09 21:21:02

#	User	Length	Language	Date
1	Timothy Gaede	1468	Julia	2025-05-27 15:35:16

#	User	Length	Language	Date
1	Adam Rankin	1200	Kotlin	2023-09-20 19:45:38
2	Frederik Bjørn Groben Nielsen	1505	Kotlin	2018-09-11 18:20:27
3	Sara Valentina	1525	Kotlin	2024-05-15 07:27:40

#	User	Length	Language	Date
1	Andreas Björklund	549	Python 2	2021-04-12 19:07:43
2	Lars Åström	973	Python 2	2019-09-19 08:38:30
3	Jesper Öqvist	979	Python 2	2019-03-19 14:32:52
4	Johann Ly	1188	Python 2	2018-12-27 08:09:30
5	Taeho Kim	1377	Python 2	2021-01-25 08:44:07
6	Godmar Back	1723	Python 2	2019-01-01 03:14:48
7	Trí Thức	1725	Python 2	2019-09-24 23:52:31
8	Hermon Mulat	1875	Python 2	2017-01-25 04:21:28

#	User	Length	Language	Date
1	Benjamin Z White	281	Python 3	2023-05-13 16:16:16
2	Charles Ancheta	365	Python 3	2023-04-13 09:10:12
3	Ahmed Chamseddine	458	Python 3	2025-05-16 13:14:47
4	Ryan O'Hara	460	Python 3	2024-05-29 07:43:17
5	Joe Little	507	Python 3	2023-11-02 23:43:24
6	Brandon Foong	518	Python 3	2023-04-07 16:32:14
7	Casper Rysgaard	519	Python 3	2020-01-08 15:19:16
8	Naveen Kumar S	584	Python 3	2025-12-20 16:03:38
9	Benjamin Whitsett	628	Python 3	2022-03-18 17:30:54
10	Nicholas Russell Saerang	630	Python 3	2022-12-18 20:44:22

#	User	Length	Language	Date
1	Bas Dirks	1619	Rust	2022-05-03 16:14:28
2	Erik Magnusson	5014	Rust	2024-06-13 10:32:31

Solution running time distribution