Problem A
ABC String — Problem Statistics

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Submissions	2026
Accepted submissions	521
Submission ratio	25.72%
Authors	570
Accepted authors	374
Author ratio	65.61%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.14 s	Bash	2024-06-30 17:59:54
2	Gaelan McMillan	0.29 s	Bash	2024-10-04 04:56:18

#	User	Runtime	Language	Date
1	Perry Weller (student)	0.00 s	C	2024-03-07 21:10:50
2	Hidden user	0.00 s	C	2024-06-06 13:10:26
3	Jack Gurdin	0.00 s	C	2024-11-01 19:44:27

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2024-09-11 23:52:38
2	Joshua Hammer	0.38 s	Go	2024-02-26 15:54:52

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2024-03-08 20:40:51
2	Hidden user	0.07 s	Haskell	2024-02-29 11:32:16

#	User	Runtime	Language	Date
1	Pierre Erard	0.10 s	Java	2024-03-01 05:10:22
2	Mattias Gustafsson	0.10 s	Java	2025-01-24 17:46:01
3	Bjørn Dons	0.11 s	Java	2024-02-24 23:53:10
4	Liam Keliher	0.11 s	Java	2024-03-03 04:36:42
5	Jonathan de Koning	0.12 s	Java	2024-02-25 00:09:09
6	Coleton Wheeler	0.12 s	Java	2024-02-26 16:52:02
7	Kaleb Cole	0.12 s	Java	2024-03-18 20:41:20
8	Mark Sturtevant	0.12 s	Java	2024-06-17 04:29:09
9	Ranjith M	0.15 s	Java	2024-02-28 20:59:55
10	Caleb Frankenberger	0.15 s	Java	2024-03-18 19:17:29

#	User	Runtime	Language	Date
1	Caleb Early	0.07 s	JavaScript (Node.js)	2024-02-28 08:57:54

#	User	Runtime	Language	Date
1	Evan Magill	0.03 s	JavaScript (SpiderMonkey)	2024-05-09 21:35:24
2	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2024-02-25 19:24:35

#	User	Runtime	Language	Date
1	Danny Mittal	0.29 s	Kotlin	2024-02-24 20:15:20
2	Stephen Atwood	0.41 s	Kotlin	2024-05-09 19:29:37

#	User	Runtime	Language	Date
1	John Hershey	0.06 s	Python 3	2024-02-26 01:27:59
2	Dennis Kaydalov	0.06 s	Python 3	2024-10-02 02:05:33
3	Ahmed Chamseddine	0.06 s	Python 3	2025-06-03 08:53:36
4	Nicholas Russell Saerang	0.06 s	Python 3	2025-06-05 08:27:12
5	Ole Vik Lysne	0.06 s	Python 3	2025-06-07 11:16:51
6	Firman Syah	0.06 s	Python 3	2025-08-20 03:59:32
7	Hidden user	0.07 s	Python 3	2024-02-24 21:19:44
8	Christopher Hinton	0.07 s	Python 3	2024-02-24 23:18:52
9	Hidden user	0.07 s	Python 3	2024-02-25 05:47:09
10	Benjamin Ye	0.07 s	Python 3	2024-02-25 23:47:03

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Ruby	2024-06-30 18:01:16
2	Thomas Feld	0.10 s	Ruby	2024-09-05 09:55:45

#	User	Runtime	Language	Date
1	Daniel Williams	0.00 s	Rust	2024-09-06 22:58:34
2	Daniel Anker Hermansen	0.01 s	Rust	2024-04-02 20:56:49

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-06-30 17:59:54
2	Gaelan McMillan	89	Bash	2024-10-04 05:02:42

#	User	Length	Language	Date
1	Perry Weller (student)	519	C	2024-03-07 21:14:19
2	Hidden user	536	C	2024-06-06 13:10:26
3	Jack Gurdin	1132	C	2024-11-01 19:44:27

#	User	Length	Language	Date
1	Buste Alin	207	C++	2025-08-15 23:16:40
2	Paul Wild	276	C++	2024-02-24 20:34:32
3	Nitit Jongsawatsataporn	313	C++	2024-02-24 20:28:45
4	Steven Tan	319	C++	2024-02-24 20:28:00
5	Kevin Sun	321	C++	2024-02-24 20:21:25
6	Cameron Custer	324	C++	2024-03-04 15:52:21
7	Shehran Rahman	326	C++	2024-03-03 22:56:30
8	Adrien	335	C++	2024-05-25 00:03:18
9	Leonard Gofman	341	C++	2024-03-02 20:37:18
10	Vlad Kurgankin	343	C++	2024-03-06 18:59:04

#	User	Length	Language	Date
1	Joshua Hammer	803	Go	2024-02-26 15:54:52
2	Norbert Voelker	804	Go	2024-09-11 23:52:38

#	User	Length	Language	Date
1	Hidden user	882	Haskell	2024-02-29 11:32:16
2	Brent Yorgey	1119	Haskell	2024-03-08 20:40:51

#	User	Length	Language	Date
1	Pierre Erard	367	Java	2024-03-01 04:44:59
2	John Hershey	376	Java	2024-02-26 00:26:36
3	Jonathan de Koning	481	Java	2024-02-25 00:09:09
4	HyperPsych	566	Java	2025-07-17 07:51:19
5	Anh Pham	660	Java	2024-04-22 14:27:46
6	Alex Englert	665	Java	2024-02-24 23:22:17
7	Arup Ratan Guha	712	Java	2024-02-24 23:38:37
8	Nick Wu	717	Java	2024-02-27 00:26:52
9	Mattias Gustafsson	753	Java	2025-01-24 17:46:01
10	Gao Henry	833	Java	2024-02-24 20:36:22

#	User	Length	Language	Date
1	Caleb Early	686	JavaScript (Node.js)	2024-02-28 08:57:54

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	138	JavaScript (SpiderMonkey)	2024-02-25 19:35:22
2	Evan Magill	254	JavaScript (SpiderMonkey)	2024-05-09 21:35:24

#	User	Length	Language	Date
1	Stephen Atwood	322	Kotlin	2024-05-09 19:29:37
2	Danny Mittal	563	Kotlin	2024-02-24 20:15:20

#	User	Length	Language	Date
1	George Zhang	74	Python 3	2024-10-04 20:06:06
2	Gaelan McMillan	75	Python 3	2024-10-04 19:40:09
3	Peter Ton	76	Python 3	2024-10-04 17:10:28
4	Ethan Lu	76	Python 3	2024-04-19 16:54:21
5	Chris Kopp	77	Python 3	2024-05-27 06:44:54
6	Yong Mao	78	Python 3	2024-07-10 02:34:41
7	Noah Hessen Bjerke	81	Python 3	2024-03-17 14:30:32
8	Edvard Walde Heimdal	83	Python 3	2024-03-17 14:29:17
9	Alexandre Charland	103	Python 3	2025-05-22 04:54:10
10	Sander Oppen	104	Python 3	2024-10-26 19:42:42

#	User	Length	Language	Date
1	Thomas Feld	54	Ruby	2024-09-05 09:59:50
2	Chenzhang Hu	58	Ruby	2024-06-30 18:01:16

#	User	Length	Language	Date
1	Daniel Williams	2477	Rust	2024-09-06 22:58:34
2	Daniel Anker Hermansen	27351	Rust	2024-04-02 20:56:49

Solution running time distribution