Problem A
A Cappella Recording — Problem Statistics

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Submissions	3128
Accepted submissions	1012
Submission ratio	32.35%
Authors	981
Accepted authors	803
Author ratio	81.86%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2024-03-05 14:05:03
2	Alexander Bilde Pedersen	0.02 s	C	2024-10-18 15:22:50
3	Kevin Sun	0.02 s	C	2025-01-27 20:31:47
4	Indah Mbah	0.02 s	C	2025-01-30 15:29:47
5	Batman Gaming	0.02 s	C	2025-02-04 03:03:47
6	Michael Mathy	0.02 s	C	2025-02-08 02:53:42
7	Jerry Chen	0.02 s	C	2025-02-08 04:04:45
8	shanmuga prasnna	0.02 s	C	2025-02-23 15:33:40
9	PRIYANKA S S	0.02 s	C	2025-02-25 06:32:47
10	Hidden user	0.02 s	C	2025-02-27 04:58:50

#	User	Runtime	Language	Date
1	Glen	0.06 s	C#	2024-07-17 19:31:02
2	Astrid Grytberg	0.06 s	C#	2025-03-18 17:51:15
3	Diogo Fusco	0.06 s	C#	2025-03-18 22:34:04
4	Diego Dell	0.06 s	C#	2025-04-03 15:28:54
5	Benjamin Bilbeau	0.07 s	C#	2024-07-18 18:40:10
6	Kaylee B	0.07 s	C#	2024-07-19 03:59:32
7	philip	0.07 s	C#	2024-09-22 18:11:31
8	Pedro Rodrigues	0.07 s	C#	2025-02-10 10:18:19
9	Callum Wilkinson	0.07 s	C#	2025-02-12 14:49:33
10	Alva Larsson	0.07 s	C#	2025-04-08 15:16:09

#	User	Runtime	Language	Date
1	Jonathan Hallström	0.00 s	C++	2024-02-28 13:41:27
2	Lawry Sorenson	0.01 s	C++	2024-09-15 02:29:43
3	Richie Tan	0.01 s	C++	2025-04-17 04:05:55
4	Hiep Pham	0.02 s	C++	2024-02-24 20:11:02
5	Mazin Karjikar	0.02 s	C++	2024-02-24 20:16:17
6	Anmol Choudhary	0.02 s	C++	2024-02-24 20:37:14
7	Aliyyiakbar Shirinli	0.02 s	C++	2024-02-24 20:50:13
8	Aayan ABK	0.02 s	C++	2024-02-24 21:07:35
9	Ahmedoviç Amamou	0.02 s	C++	2024-02-24 21:13:37
10	kabbo ghosh	0.02 s	C++	2024-02-24 23:32:57

#	User	Runtime	Language	Date
1	Magnus Baasch Langkilde	0.29 s	F#	2025-02-20 09:50:31

#	User	Runtime	Language	Date
1	Norbert Voelker	0.03 s	Go	2024-09-11 16:04:20
2	Sirpi Yugendar	0.03 s	Go	2025-02-21 20:18:01
3	Anthony Colin	0.03 s	Go	2025-03-07 20:44:40
4	Yamone Oo	0.03 s	Go	2025-04-21 11:45:28

#	User	Runtime	Language	Date
1	Brent Yorgey	0.20 s	Haskell	2024-02-28 16:24:42
2	ConnorFleischman	0.31 s	Haskell	2024-11-17 03:04:01
3	Alexandre Charland	0.39 s	Haskell	2025-02-24 15:30:31
4	Luciano Mattoli	0.40 s	Haskell	2024-11-17 21:09:19

#	User	Runtime	Language	Date
1	Bjørn Dons	0.17 s	Java	2024-02-27 20:19:08
2	Liam Keliher	0.21 s	Java	2024-03-03 22:10:20
3	John Lindstrom	0.21 s	Java	2024-08-18 18:59:08
4	Miorel Palii	0.22 s	Java	2024-02-26 06:32:57
5	Issa Issack	0.22 s	Java	2024-03-07 01:50:08
6	Amy Colpitts	0.22 s	Java	2024-03-07 02:15:35
7	Ranjith M	0.25 s	Java	2024-02-24 23:04:44
8	Ayush Rigal	0.25 s	Java	2024-10-30 14:35:33
9	Marc Dominic San Pedro	0.27 s	Java	2024-04-11 05:38:27
10	SHREYAS GIRISH JAMADAGNI	0.27 s	Java	2024-10-23 09:58:25

#	User	Runtime	Language	Date
1	jack	0.17 s	JavaScript (Node.js)	2024-12-29 00:14:11
2	Yamone Oo	0.22 s	JavaScript (Node.js)	2025-04-21 11:48:50
3	Aashish Anand	0.31 s	JavaScript (Node.js)	2025-03-01 21:59:01

#	User	Runtime	Language	Date
1	Christian Cederquist	0.06 s	JavaScript (SpiderMonkey)	2024-09-05 22:16:41
2	Bjørn Chr. Soltvedt	0.09 s	JavaScript (SpiderMonkey)	2024-02-25 01:34:26

#	User	Runtime	Language	Date
1	Winston Wu	0.56 s	Julia	2024-09-18 10:23:48
2	Timothy Gaede	0.60 s	Julia	2024-08-20 12:36:11

#	User	Runtime	Language	Date
1	Paul McBurney	0.51 s	Kotlin	2024-02-24 20:57:04

#	User	Runtime	Language	Date
1	Matthew Farshad	0.07 s	Lua	2025-02-05 21:24:01

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	OCaml	2024-06-10 00:12:07

#	User	Runtime	Language	Date
1	Kadriye Yildiz	0.07 s	Python 3	2024-08-28 16:00:53
2	Hidden user	0.07 s	Python 3	2024-09-01 11:38:01
3	Ole Vik Lysne	0.07 s	Python 3	2024-09-11 16:24:45
4	Charlie Eastin	0.07 s	Python 3	2024-11-05 00:16:18
5	Donovan Lim	0.07 s	Python 3	2024-11-10 15:32:30
6	Bikram Khanal	0.07 s	Python 3	2025-02-08 20:07:51
7	Astha Shrestha	0.07 s	Python 3	2025-02-23 22:05:03
8	Karthi V S	0.07 s	Python 3	2025-02-24 02:33:12
9	Ugur Turgut	0.07 s	Python 3	2025-03-06 02:16:11
10	Petr	0.07 s	Python 3	2025-03-23 15:13:56

#	User	Runtime	Language	Date
1	Thomas Feld	0.11 s	Ruby	2025-02-11 23:47:00

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-06-02 04:35:44
2	Bas Dirks	0.00 s	Rust	2025-02-19 19:02:28
3	Daniel Anker Hermansen	0.01 s	Rust	2024-03-29 23:36:56
4	Frank Endriss	0.01 s	Rust	2024-08-16 15:40:16
5	Artur Khuziakhmetov	0.01 s	Rust	2025-01-17 09:16:35
6	Erik Magnusson	0.02 s	Rust	2024-02-27 21:33:04
7	Carter Snook	0.02 s	Rust	2024-03-24 20:38:32
8	Winston Wu	0.02 s	Rust	2024-09-12 09:04:28

#	User	Length	Language	Date
1	ABISHEK G	475	C	2025-05-01 05:39:07
2	MUTHURAJAN G	552	C	2025-04-09 15:55:31
3	Owen Davis	561	C	2025-04-25 18:39:44
4	Jeevanna M	573	C	2025-04-22 15:20:44
5	ELAMATHI S	579	C	2025-04-14 12:47:29
6	Anavi Vyawhare	589	C	2025-04-19 08:09:14
7	Mauricio B	593	C	2025-04-25 16:14:29
8	Deebadarshan S	594	C	2025-04-18 16:11:46
9	Dylan Clark	610	C	2025-04-27 20:06:54
10	Michael Mathy	618	C	2025-02-08 02:53:42

#	User	Length	Language	Date
1	Alva Larsson	564	C#	2025-04-08 15:16:09
2	Callum Wilkinson	685	C#	2025-02-12 14:49:33
3	Benjamin Bilbeau	941	C#	2024-07-18 18:40:10
4	Brad Beise	957	C#	2024-07-17 16:32:25
5	Diogo Fusco	983	C#	2025-03-18 22:34:04
6	Diego Dell	1011	C#	2025-04-03 15:28:54
7	Astrid Grytberg	1084	C#	2025-03-18 17:52:19
8	Kaylee B	1250	C#	2024-07-19 03:59:32
9	philip	1342	C#	2024-09-22 18:11:31
10	Evan Revis	1465	C#	2024-07-16 22:08:38

#	User	Length	Language	Date
1	Abul Farhad Ibn Alam	259	C++	2024-03-03 11:32:11
2	Adrien	313	C++	2024-05-24 10:07:56
3	Al_02_34381	317	C++	2025-03-21 16:49:21
4	Jesús Pacheco Alonso	328	C++	2024-09-06 17:15:08
5	Rafael Kristoforus Yanto	339	C++	2025-02-17 08:30:16
6	A.J.M ISTIAQUE	340	C++	2024-03-03 12:12:38
7	Evan Michael Bailey	344	C++	2024-02-28 14:59:40
8	John Khoo	345	C++	2025-02-11 03:34:02
9	Mike Nguyen	349	C++	2024-02-28 03:09:58
10	Nguyen An Thinh	349	C++	2025-02-17 08:07:16

#	User	Length	Language	Date
1	Magnus Baasch Langkilde	795	F#	2025-02-20 09:50:31

#	User	Length	Language	Date
1	Yamone Oo	644	Go	2025-04-21 11:45:28
2	Norbert Voelker	657	Go	2024-09-11 16:04:20
3	Anthony Colin	1064	Go	2025-03-07 20:44:40
4	Sirpi Yugendar	4345	Go	2025-02-21 20:18:01

#	User	Length	Language	Date
1	Alexandre Charland	257	Haskell	2025-02-24 15:30:31
2	ConnorFleischman	858	Haskell	2024-11-17 03:04:01
3	Luciano Mattoli	1548	Haskell	2024-11-17 21:09:19
4	Brent Yorgey	8817	Haskell	2024-02-28 16:24:42

#	User	Length	Language	Date
1	John Hershey	411	Java	2024-02-26 19:36:24
2	Tristan Rush	447	Java	2024-02-24 22:55:15
3	Nick Wu	473	Java	2024-02-27 00:26:23
4	David Knoflíček	528	Java	2025-03-20 13:44:32
5	PandaAnnie	546	Java	2025-03-19 23:50:30
6	Shardul Dhongade	550	Java	2024-02-24 21:43:59
7	SARAVANARAJAN K	554	Java	2025-03-31 10:51:58
8	Hidden user	568	Java	2025-05-03 00:47:10
9	MADHIHA NISHAD Z	571	Java	2025-03-27 16:09:55
10	Charlie Chang	574	Java	2024-10-15 00:12:51

#	User	Length	Language	Date
1	Yamone Oo	729	JavaScript (Node.js)	2025-04-21 11:48:50
2	jack	876	JavaScript (Node.js)	2024-12-29 00:14:11
3	Aashish Anand	1325	JavaScript (Node.js)	2025-03-01 21:59:01

#	User	Length	Language	Date
1	Christian Cederquist	118	JavaScript (SpiderMonkey)	2024-09-05 22:37:38
2	Bjørn Chr. Soltvedt	200	JavaScript (SpiderMonkey)	2024-02-25 01:42:09

#	User	Length	Language	Date
1	Winston Wu	426	Julia	2024-09-18 10:23:48
2	Timothy Gaede	1808	Julia	2024-08-20 12:36:11

#	User	Length	Language	Date
1	Paul McBurney	479	Kotlin	2024-02-24 20:57:04

#	User	Length	Language	Date
1	Matthew Farshad	391	Lua	2025-02-05 21:24:01

#	User	Length	Language	Date
1	Hidden user	744	OCaml	2024-06-10 00:12:07

#	User	Length	Language	Date
1	Guk Yi Siong	105	Python 3	2024-12-27 16:40:35
2	Sander Oppen	108	Python 3	2024-11-08 14:32:28
3	Rachel Krohn	113	Python 3	2025-03-29 17:06:51
4	Ole Vik Lysne	115	Python 3	2024-09-11 16:41:14
5	Kristian Sørdal	115	Python 3	2024-04-22 18:59:34
6	Lukas Kerren	116	Python 3	2024-05-08 00:35:51
7	Iman Khodadi	119	Python 3	2024-03-11 12:53:49
8	Wernher To	121	Python 3	2025-01-21 06:09:38
9	Casper Rysgaard	121	Python 3	2024-02-27 13:10:42
10	Maximilien Vanhaverbeke	123	Python 3	2024-11-27 23:16:01

#	User	Length	Language	Date
1	Thomas Feld	63	Ruby	2025-02-11 23:43:35

#	User	Length	Language	Date
1	Artur Khuziakhmetov	461	Rust	2025-01-17 09:16:35
2	Bas Dirks	591	Rust	2025-01-26 06:59:52
3	Winston Wu	888	Rust	2024-09-12 09:04:28
4	Carter Snook	934	Rust	2024-03-24 20:38:32
5	Erik Magnusson	4288	Rust	2024-02-27 21:33:04
6	Vincent Lagerros	8959	Rust	2024-06-02 04:35:44
7	Frank Endriss	10795	Rust	2024-08-16 15:40:16
8	Daniel Anker Hermansen	26861	Rust	2024-03-29 23:36:56

Solution running time distribution