Problem I
ISBN Conversion — Problem Statistics

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Submissions	1407
Accepted submissions	385
Submission ratio	27.36%
Authors	281
Accepted authors	222
Author ratio	79.00%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.03 s	Bash	2023-10-31 12:04:58

#	User	Runtime	Language	Date
1	Joyce Ma	0.00 s	C	2024-11-16 15:57:06

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2024-03-22 15:02:44

#	User	Runtime	Language	Date
1	Sriniketh Vangaru	0.04 s	Java	2024-10-19 20:05:49
2	Mark Sturtevant	0.06 s	Java	2024-01-18 07:55:57
3	Joshua Chin	0.06 s	Java	2025-05-17 15:54:13
4	Issa Issack	0.07 s	Java	2024-10-13 15:19:45
5	Hidden user	0.07 s	Java	2024-10-25 23:48:45
6	Aarush Patil	0.11 s	Java	2024-10-19 23:30:14
7	Liam Keliher	0.13 s	Java	2023-11-16 18:02:11
8	Ayden Coughlin	0.15 s	Java	2023-10-29 18:29:27
9	Taehoon Hwang	0.16 s	Java	2023-10-29 19:26:42
10	Patrick Lu	0.17 s	Java	2023-11-06 01:09:39

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-10-29 22:04:29

#	User	Runtime	Language	Date
1	Timothy Gaede	0.51 s	Julia	2025-05-10 07:21:46

#	User	Runtime	Language	Date
1	Finn Lidbetter	0.19 s	Kotlin	2023-11-01 02:35:32
2	Anton Trygub	0.20 s	Kotlin	2023-10-29 16:48:25

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-03-28 13:41:00

#	User	Runtime	Language	Date
1	Tan Tiong Guan	0.04 s	Python 3	2024-09-20 14:25:45
2	Jesse Silverberg	0.04 s	Python 3	2024-10-09 06:11:07
3	Jacob Vanluven	0.04 s	Python 3	2024-10-10 22:21:03
4	Benjamin MacDougall	0.04 s	Python 3	2024-10-19 20:51:51
5	Godmar Back	0.04 s	Python 3	2024-10-19 21:05:25
6	Patrick Zhang	0.04 s	Python 3	2024-10-26 00:47:34
7	Radvilas Rumšas	0.04 s	Python 3	2024-10-26 14:21:14
8	Jason Jee	0.04 s	Python 3	2024-11-02 21:20:08
9	John Zheng	0.04 s	Python 3	2024-11-03 21:49:26
10	Prateek Bhakta	0.04 s	Python 3	2024-11-10 21:03:49

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 16:03:55

#	User	Length	Language	Date
1	Joyce Ma	2723	C	2024-11-16 15:57:06

#	User	Length	Language	Date
1	Frans Meulenbroeks	382	C++	2025-02-22 17:16:41
2	Alexander Skidanov	947	C++	2024-12-29 09:25:29
3	Chris Trevisan	1102	C++	2023-10-29 17:20:34
4	Hiep Trinh	1148	C++	2023-10-29 17:21:35
5	Nguyen An Thinh	1170	C++	2025-01-08 18:20:17
6	Dhiraj Pritham Bomma	1237	C++	2024-02-03 23:45:48
7	Damian Ho	1326	C++	2023-10-29 17:36:13
8	Kevin Sun	1339	C++	2023-10-29 17:06:44
9	Shukai Zhang	1368	C++	2024-10-26 01:10:33
10	Luka Meladze	1385	C++	2025-01-08 12:55:33

#	User	Length	Language	Date
1	Brent Yorgey	1155	Haskell	2024-03-22 15:02:44

#	User	Length	Language	Date
1	Antonio Blanca	1780	Java	2023-11-06 04:21:12
2	Hidden user	2019	Java	2024-10-25 23:48:45
3	Yassine Mimet	2709	Java	2023-10-29 20:49:44
4	Aarush Patil	2834	Java	2024-10-19 23:30:14
5	Eli Pardalis	2847	Java	2023-10-29 18:10:08
6	Joshua Chin	2935	Java	2025-05-17 15:54:13
7	Patrick Lu	3111	Java	2023-11-06 01:09:39
8	Mark Sturtevant	3256	Java	2024-01-18 07:55:57
9	Ayden Coughlin	3301	Java	2023-10-29 18:29:27
10	Taehoon Hwang	3302	Java	2023-10-29 19:26:42

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	365	JavaScript (SpiderMonkey)	2023-10-30 09:04:21

#	User	Length	Language	Date
1	Timothy Gaede	1884	Julia	2025-05-10 07:21:46

#	User	Length	Language	Date
1	Anton Trygub	1329	Kotlin	2023-10-29 16:48:25
2	Finn Lidbetter	1641	Kotlin	2023-11-01 02:35:32

#	User	Length	Language	Date
1	Saito Ta	6	Perl	2024-03-29 06:57:12

#	User	Length	Language	Date
1	Kevin Gomez	206	Python 3	2024-03-21 02:50:24
2	Ben Zydney	217	Python 3	2023-11-01 05:46:56
3	Chris Kopp	253	Python 3	2023-10-31 01:44:54
4	David Llorens	522	Python 3	2025-04-20 21:28:06
5	Nicholas Russell Saerang	524	Python 3	2023-11-11 02:44:13
6	Leah Le	600	Python 3	2024-02-16 02:22:56
7	George Zhang	640	Python 3	2023-10-29 18:05:06
8	Chenzhang Hu	676	Python 3	2023-10-31 12:03:34
9	Patrick Zhang	713	Python 3	2024-10-26 00:47:34
10	David Qiao	757	Python 3	2024-03-04 00:01:51

Solution running time distribution