Problem A
Repetitive Song — Problem Statistics

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Submissions	516
Accepted submissions	235
Submission ratio	45.54%
Authors	224
Accepted authors	196
Author ratio	87.50%

#	User	Runtime	Language	Date
1	Hiep Trinh	0.03 s	C++	2023-03-01 22:34:00
2	Matt Korfhage	0.04 s	C++	2023-02-25 22:54:53
3	Cameron Custer	0.04 s	C++	2023-02-27 00:24:05
4	Rishi Saran Vijayarajan	0.04 s	C++	2023-03-03 07:51:55
5	Jasmine Lea	0.04 s	C++	2023-03-03 08:11:39
6	Andrew Polizzotto	0.04 s	C++	2023-03-05 05:32:14
7	Christoffer Jakob Romild Woldbye	0.04 s	C++	2023-03-10 17:37:20
8	Zac Friggstad	0.04 s	C++	2023-04-05 04:02:14
9	Richard Wang	0.04 s	C++	2023-06-02 03:23:22
10	Max Nilsson	0.04 s	C++	2023-08-13 01:47:08

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2023-03-09 12:42:37

#	User	Runtime	Language	Date
1	Brent Yorgey	0.25 s	Haskell	2023-02-26 16:07:50
2	Mason Barnhill	0.83 s	Haskell	2023-06-05 06:46:26

#	User	Runtime	Language	Date
1	Andrew Fergel	0.23 s	Java	2023-02-25 22:04:17
2	Nick Wu	0.23 s	Java	2023-02-26 03:35:20
3	Doug Goodman	0.23 s	Java	2023-02-26 17:29:22
4	Bjørn Dons	0.23 s	Java	2023-03-05 19:39:38
5	Ian Riley	0.23 s	Java	2023-06-05 00:50:59
6	Mack Wong Yoong Yee	0.23 s	Java	2025-06-08 10:27:45
7	Dylan Smith	0.27 s	Java	2023-03-02 04:37:27
8	Ranjith M	0.31 s	Java	2023-03-04 04:29:41
9	Marco Troltsch	0.31 s	Java	2024-06-19 18:21:47
10	Conor O	0.47 s	Java	2023-02-25 22:23:43

#	User	Runtime	Language	Date
1	Christian Cederquist	0.12 s	JavaScript (SpiderMonkey)	2023-03-12 07:06:03
2	Bjørn Chr. Soltvedt	0.14 s	JavaScript (SpiderMonkey)	2023-07-27 12:04:50

#	User	Runtime	Language	Date
1	Sam Keyser	0.30 s	Kotlin	2023-02-28 01:58:46
2	Adam Rankin	0.40 s	Kotlin	2023-08-30 03:45:27

#	User	Runtime	Language	Date
1	Julia Scheaffer	0.10 s	Python 3	2023-02-26 22:16:28
2	Ahmed Siadomar	0.10 s	Python 3	2023-03-04 04:38:55
3	Hidden user	0.10 s	Python 3	2023-04-13 18:56:28
4	Nicholas Russell Saerang	0.10 s	Python 3	2023-07-27 08:21:55
5	Hidden user	0.10 s	Python 3	2023-08-13 15:48:17
6	Duy Nguyen	0.11 s	Python 3	2023-02-25 20:15:45
7	Hidden user	0.12 s	Python 3	2024-11-29 03:31:41
8	Ahmed Chamseddine	0.13 s	Python 3	2025-05-17 23:41:05
9	ShengyuanWang	0.14 s	Python 3	2023-02-25 19:52:26
10	Theo Demetriades	0.14 s	Python 3	2023-02-25 20:27:55

#	User	Runtime	Language	Date
1	Thomas Feld	0.14 s	Ruby	2023-03-16 15:16:15
2	Clement Oh	0.16 s	Ruby	2024-01-28 05:20:08

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-10-12 16:16:40
2	Bas Dirks	0.02 s	Rust	2024-01-21 20:14:41
3	Alice Ryhl	0.03 s	Rust	2023-03-10 16:26:19
4	Ian Riley	0.03 s	Rust	2023-06-05 00:54:16
5	Hidden user	0.03 s	Rust	2025-01-27 20:28:28

#	User	Length	Language	Date
1	Jasmine Lea	166	C++	2023-03-03 09:42:28
2	Rishi Saran Vijayarajan	171	C++	2023-03-03 07:54:32
3	Miguel Ortiz	308	C++	2025-05-07 22:13:13
4	Ivan Solovyev	318	C++	2023-12-07 07:54:21
5	Chenghao Wang	342	C++	2023-05-18 23:41:41
6	Dmitry Lyubshin	347	C++	2023-04-07 15:48:35
7	Gustav Bille Gørtz	351	C++	2023-03-10 16:42:14
8	Alex Dai	366	C++	2023-06-22 09:59:55
9	Yiming Gao	368	C++	2024-11-03 23:10:54
10	Anatol Coen	379	C++	2023-12-07 06:57:04

#	User	Length	Language	Date
1	Norbert Voelker	626	Go	2023-03-09 12:42:37

#	User	Length	Language	Date
1	Mason Barnhill	417	Haskell	2023-06-05 06:46:26
2	Brent Yorgey	9840	Haskell	2023-02-26 16:07:50

#	User	Length	Language	Date
1	Nick Wu	546	Java	2023-02-26 03:35:20
2	Sohom Dutta	596	Java	2023-09-28 01:35:33
3	Benjamin TheilmannGohr	616	Java	2023-02-25 22:16:56
4	Josh Henderson	640	Java	2023-02-25 20:25:42
5	Erik Rauer	684	Java	2023-02-25 21:21:39
6	Sam Ewert	731	Java	2023-02-26 20:21:37
7	Samuel Ewert	731	Java	2023-02-26 20:19:20
8	Conor O	740	Java	2023-02-25 22:23:43
9	Ian Riley	770	Java	2023-06-05 00:50:59
10	Andrew Fergel	791	Java	2023-02-25 22:04:17

#	User	Length	Language	Date
1	Christian Cederquist	227	JavaScript (SpiderMonkey)	2023-03-12 07:06:03
2	Bjørn Chr. Soltvedt	331	JavaScript (SpiderMonkey)	2023-07-27 12:10:47

#	User	Length	Language	Date
1	Adam Rankin	424	Kotlin	2023-08-30 03:45:27
2	Sam Keyser	499	Kotlin	2023-02-28 01:58:46

#	User	Length	Language	Date
1	Benjamin Z White	94	Python 3	2023-07-21 20:04:29
2	Ahmed Chamseddine	97	Python 3	2025-05-17 23:41:05
3	Peter Stauder	101	Python 3	2023-03-07 21:56:02
4	Grayden Price	112	Python 3	2023-03-03 18:55:10
5	Josh Taylor	119	Python 3	2023-03-01 22:24:17
6	Hidden user	119	Python 3	2023-05-20 03:18:28
7	Rafael Kristoforus Yanto	124	Python 3	2025-02-24 21:59:22
8	Andreas Björklund	133	Python 3	2023-04-09 09:33:40
9	Jonas Ryssel	135	Python 3	2023-03-10 16:46:11
10	Asmus Tørsleff	135	Python 3	2023-03-10 17:54:04

#	User	Length	Language	Date
1	Thomas Feld	66	Ruby	2023-03-16 15:18:37
2	Clement Oh	144	Ruby	2024-01-28 05:20:08

#	User	Length	Language	Date
1	Bas Dirks	1038	Rust	2024-01-21 20:14:41
2	Alice Ryhl	1123	Rust	2023-03-10 16:26:19
3	Hidden user	1181	Rust	2025-01-27 20:28:28
4	Ian Riley	1640	Rust	2023-06-05 00:54:16
5	Vincent Lagerros	19642	Rust	2024-10-12 16:16:40

Solution running time distribution