Problem B
Are You Listening? — Problem Statistics

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Submissions	4738
Accepted submissions	1533
Submission ratio	32.36%
Authors	1510
Full solves [?]	1325
Full solve Ratio	87.75%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-16 14:23:36

#	User	Runtime	Language	Date
1	Brian Liang	0.02 s	C#	2019-02-13 13:04:50
2	Matthew Martin	0.02 s	C#	2019-02-25 15:07:22
3	Shakib Absar	0.02 s	C#	2019-09-14 01:29:49
4	Gustaf Ahlner	0.02 s	C#	2022-03-01 11:28:50
5	Yuwono Bangun Nagoro	0.03 s	C#	2020-09-17 18:41:34
6	Mikael Fiala-Lundström	0.03 s	C#	2021-07-15 01:02:24
7	Robert Warnestam	0.03 s	C#	2021-10-16 10:57:13
8	Göran Andersson	0.03 s	C#	2022-06-07 22:14:35
9	Asger Lysdahl	0.05 s	C#	2023-06-03 20:27:17
10	Ahmed Mahmood	0.05 s	C#	2024-09-11 13:36:45

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-12-25 11:05:33

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Go	2019-03-11 10:51:57
2	Markus Weller	0.07 s	Go	2019-03-29 03:21:08
3	Norbert Voelker	0.07 s	Go	2021-07-27 23:07:09
4	Jimmy Nejtron	0.08 s	Go	2019-08-21 19:39:13
5	Hidden user	0.08 s	Go	2019-09-23 13:52:40

#	User	Runtime	Language	Date
1	Erik Persson	0.00 s	Haskell	2022-08-29 13:46:13
2	Hidden user	0.00 s	Haskell	2022-12-25 13:08:52
3	Daniel Brännvall	0.00 s	Haskell	2023-06-26 08:18:42
4	Steinar Simonnes	0.00 s	Haskell	2025-01-01 20:59:37
5	Brent Yorgey	0.01 s	Haskell	2018-11-17 18:13:43
6	obshidian	0.01 s	Haskell	2020-03-30 19:07:20
7	Jan Hrček	0.01 s	Haskell	2021-04-23 14:42:36
8	Hidden user	0.01 s	Haskell	2021-06-26 14:11:42
9	Agus Sentosa Hermawan	0.01 s	Haskell	2021-11-02 23:26:50

#	User	Runtime	Language	Date
1	Ludvig Dahlberg	0.04 s	Java	2025-07-03 07:02:34
2	Andreas Lindgren	0.05 s	Java	2024-09-21 19:41:25
3	Achim Ahlers	0.05 s	Java	2024-10-06 08:02:18
4	Nguyen Do	0.06 s	Java	2018-12-09 17:17:33
5	Jiayi Lee	0.06 s	Java	2020-05-21 04:06:01
6	Andreas Guldborg Hansen	0.06 s	Java	2021-12-05 13:59:35
7	Sven Rönnbäck	0.06 s	Java	2022-12-03 21:28:37
8	Frank Liu	0.06 s	Java	2023-02-17 23:24:21
9	Ranjith M	0.06 s	Java	2023-04-20 02:49:22
10	Axel Nilsson	0.06 s	Java	2023-06-24 15:40:17

#	User	Runtime	Language	Date
1	Hunter Tseng	0.40 s	JavaScript (Node.js)	2019-08-07 06:54:39
2	Marzuk Kabir	0.40 s	JavaScript (Node.js)	2019-09-14 00:48:02
3	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-29 11:51:21

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-22 17:21:05
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-28 08:14:13
3	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2018-12-30 16:16:48
4	Zachary DeStefano	0.03 s	JavaScript (SpiderMonkey)	2019-10-14 15:50:18
5	Dylan Mcdougall	0.03 s	JavaScript (SpiderMonkey)	2019-12-10 20:27:11

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2024-06-01 03:16:57
2	Eric Fung	0.66 s	Julia	2024-09-12 00:17:31
3	Danny Robinson	0.73 s	Julia	2023-10-30 20:27:54

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2021-05-29 04:35:16
2	Daniel Taco Törbacka	0.14 s	Kotlin	2018-12-14 17:40:37
3	Roy Liu	0.18 s	Kotlin	2023-06-23 10:58:25
4	Hidden user	0.19 s	Kotlin	2019-10-24 19:36:42
5	Bradley Richards	0.19 s	Kotlin	2023-03-08 08:15:03
6	Eric Sjöström	0.19 s	Kotlin	2023-06-28 16:25:11
7	Phường Lên	0.20 s	Kotlin	2019-10-25 17:48:28
8	Adam Rankin	0.20 s	Kotlin	2023-10-26 18:56:41
9	Eric Huynh	0.21 s	Kotlin	2019-03-19 18:09:54
10	Merih Bora Poçan	0.21 s	Kotlin	2020-08-26 01:11:38

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.00 s	Lua	2023-11-14 22:22:03

#	User	Runtime	Language	Date
1	Joel Newman	0.00 s	OCaml	2023-11-23 00:26:23

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-05-27 10:36:37
2	David Connolly	0.04 s	Pascal	2021-12-02 16:47:34

#	User	Runtime	Language	Date
1	Anders Larsson	0.01 s	PHP	2020-03-30 10:59:42
2	Renate Fiala-Lundström	0.01 s	PHP	2021-07-15 00:13:56

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2025-02-01 08:45:14

#	User	Runtime	Language	Date
1	Jimmy Wu	0.03 s	Python 2	2018-11-10 05:14:41
2	Zander Thannhauser	0.03 s	Python 2	2018-11-10 05:27:55
3	Max Holmberg	0.03 s	Python 2	2018-11-12 11:07:22
4	Mark van Helvoort	0.03 s	Python 2	2018-11-14 15:33:26
5	Klas af Geijerstam	0.03 s	Python 2	2018-11-18 00:08:11
6	Oskar Haarklou Veileborg	0.03 s	Python 2	2018-11-21 09:48:25
7	Hidden user	0.03 s	Python 2	2018-12-10 23:07:01
8	Johann Ly	0.03 s	Python 2	2018-12-31 08:21:16
9	Chase Hinesman	0.03 s	Python 2	2019-01-18 22:02:48
10	William Ogletree	0.03 s	Python 2	2019-01-18 23:25:35

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 3	2018-11-14 14:16:17
2	Erlend Syljuåsen	0.02 s	Python 3	2018-11-24 21:15:17
3	Chocs	0.02 s	Python 3	2018-11-26 14:51:17
4	Hidden user	0.02 s	Python 3	2018-12-06 13:35:06
5	Trung Nguyen	0.02 s	Python 3	2018-12-17 05:55:30
6	Catalin Popa	0.02 s	Python 3	2018-12-26 01:53:48
7	Vincent Tandya	0.02 s	Python 3	2018-12-28 12:15:30
8	Georgia Weisz	0.02 s	Python 3	2019-01-02 17:26:16
9	Domenico Salvagnin	0.02 s	Python 3	2019-01-09 15:20:01
10	Simon Nilsson	0.02 s	Python 3	2019-01-09 21:39:44

#	User	Runtime	Language	Date
1	Mridula Prabhu	0.05 s	Ruby	2019-04-04 18:05:28
2	Dylan Mcdougall	0.05 s	Ruby	2019-12-09 21:48:14
3	Thomas Feld	0.06 s	Ruby	2023-06-02 13:58:56
4	Clement Oh	0.07 s	Ruby	2024-01-03 08:34:54

#	User	Runtime	Language	Date
1	Loïc CARR	0.00 s	Rust	2019-04-02 20:05:16
2	Adam Gausmann	0.00 s	Rust	2019-09-13 18:02:59
3	Anthony Audoin	0.00 s	Rust	2021-01-23 15:07:26
4	Bas Dirks	0.00 s	Rust	2022-01-18 13:04:39
5	Oskar Lindén	0.00 s	Rust	2022-06-22 20:42:54
6	David Rasch	0.00 s	Rust	2022-10-29 13:02:06
7	Isak Jägberg	0.00 s	Rust	2023-03-22 16:10:49
8	Melker Forsberg	0.00 s	Rust	2023-06-22 13:50:09
9	Behos	0.00 s	Rust	2024-10-02 18:52:49
10	Vincent Lagerros	0.00 s	Rust	2024-12-09 22:12:31

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	TypeScript	2024-10-06 09:54:23
2	Joel Martelleur	0.05 s	TypeScript	2024-05-02 13:19:04

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.06 s	Visual Basic	2025-11-02 19:52:22

#	User	Length	Language	Date
1	Chenzhang Hu	1610	Bash	2024-04-16 14:23:36

#	User	Length	Language	Date
1	Fredrik Karlberg	442	C	2023-06-28 20:30:33
2	Ivan Petrov	696	C	2019-09-07 15:45:51
3	Warren Mazmur	728	C	2019-09-20 15:21:54
4	Axel Delbom	745	C	2021-04-11 20:38:59
5	Chang Jie Leong	804	C	2019-05-05 08:13:22
6	Ravi Shankar Reddy Kanakaveeti	835	C	2018-12-12 09:56:24
7	Ioannis Br	877	C	2024-12-20 22:21:22
8	Johan Larsson	879	C	2022-06-29 06:43:07
9	Hidden user	1035	C	2019-05-05 07:27:44
10	Fernando Darren Rachman	1038	C	2024-09-13 12:21:51

#	User	Length	Language	Date
1	Erick Whatcott	630	C#	2025-01-24 00:36:51
2	Göran Andersson	813	C#	2022-06-07 22:14:35
3	Matthew Martin	1101	C#	2019-02-25 15:07:22
4	Brian Liang	1427	C#	2019-02-13 13:04:50
5	Shakib Absar	1675	C#	2019-09-14 01:29:49
6	Annie Yang	1905	C#	2025-04-19 16:15:54
7	Yuwono Bangun Nagoro	1907	C#	2020-09-17 18:41:34
8	Ahmed Mahmood	2278	C#	2024-09-11 13:36:45
9	Gustaf Ahlner	2433	C#	2022-02-19 19:56:56
10	Mikael Fiala-Lundström	2649	C#	2021-07-15 01:02:24

#	User	Length	Language	Date
1	Nathan Duncan	270	C++	2024-02-17 20:38:16
2	Mic Rey	291	C++	2025-12-18 04:03:33
3	Way Tan	327	C++	2018-12-04 08:29:15
4	Johan Wind	330	C++	2018-11-10 22:50:41
5	Pavan Motupalli	359	C++	2022-04-05 15:18:17
6	Vifill Sverrisson	368	C++	2018-11-16 18:43:09
7	Quinn Flavel	373	C++	2022-01-06 01:01:44
8	Kevin Wei	374	C++	2024-11-07 22:49:58
9	Slimlix	376	C++	2022-05-21 14:46:33
10	Ephemeral Rhythm	377	C++	2024-09-16 12:27:56

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	868	F#	2022-12-25 11:05:33

#	User	Length	Language	Date
1	Hidden user	479	Go	2019-03-11 10:51:57
2	Markus Weller	744	Go	2019-03-29 03:21:08
3	Hidden user	846	Go	2019-09-23 13:52:40
4	Norbert Voelker	889	Go	2021-07-27 23:07:09
5	Jimmy Nejtron	1605	Go	2019-08-21 19:39:13

#	User	Length	Language	Date
1	Erik Persson	351	Haskell	2022-08-29 13:48:58
2	Agus Sentosa Hermawan	457	Haskell	2021-11-02 23:26:50
3	Steinar Simonnes	689	Haskell	2025-01-01 21:02:11
4	Jan Hrček	696	Haskell	2021-04-23 14:42:36
5	Brent Yorgey	876	Haskell	2018-11-17 18:13:43
6	Hidden user	930	Haskell	2022-12-25 13:08:52
7	Daniel Brännvall	945	Haskell	2023-06-26 08:18:42
8	obshidian	972	Haskell	2020-03-30 19:07:20
9	Hidden user	14536	Haskell	2021-06-26 14:11:42

#	User	Length	Language	Date
1	Duncan Page	566	Java	2020-03-02 22:45:46
2	Ng Yong Xiang	594	Java	2021-12-05 09:00:53
3	Dylan Smith	612	Java	2019-06-14 01:47:27
4	Marcus Der	624	Java	2019-03-08 06:45:20
5	Doug Goodman	634	Java	2019-01-02 20:57:21
6	Hoàng Minh	637	Java	2019-09-13 23:52:25
7	Hunter Mullen	640	Java	2025-02-24 05:50:20
8	Yifan Sun	641	Java	2021-02-12 20:31:06
9	Calvin Godfrey	659	Java	2019-05-03 18:37:54
10	Mason Wiedow	665	Java	2024-09-28 16:52:44

#	User	Length	Language	Date
1	Peter Kedemo	545	JavaScript (Node.js)	2019-12-29 11:51:21
2	Marzuk Kabir	987	JavaScript (Node.js)	2019-09-14 00:48:02
3	Hunter Tseng	1235	JavaScript (Node.js)	2019-08-07 06:54:39

#	User	Length	Language	Date
1	Jimmy Gustafsson	258	JavaScript (SpiderMonkey)	2022-06-22 17:21:05
2	Christian Pilegaard Cederquist	375	JavaScript (SpiderMonkey)	2023-03-28 08:14:13
3	Zachary DeStefano	405	JavaScript (SpiderMonkey)	2019-10-14 15:50:18
4	Bjørn Chr. Soltvedt	455	JavaScript (SpiderMonkey)	2018-12-30 16:16:48
5	Dylan Mcdougall	1208	JavaScript (SpiderMonkey)	2019-12-10 20:27:11

#	User	Length	Language	Date
1	Danny Robinson	119	Julia	2023-10-30 20:27:54
2	Eric Fung	386	Julia	2024-09-12 00:48:15
3	Timothy Gaede	1401	Julia	2024-06-01 03:16:57

#	User	Length	Language	Date
1	Eric Sjöström	432	Kotlin	2023-06-28 16:25:11
2	Merih Bora Poçan	649	Kotlin	2020-08-26 01:11:38
3	Eric Huynh	703	Kotlin	2019-03-19 18:09:54
4	Phường Lên	784	Kotlin	2019-10-25 17:48:28
5	Bradley Richards	832	Kotlin	2023-03-08 08:15:03
6	Hidden user	1013	Kotlin	2019-10-24 19:36:42
7	Jacob Huebner	1225	Kotlin	2021-05-29 04:35:16
8	Jonathan Soo	1280	Kotlin	2019-08-20 08:54:58
9	Adam Rankin	1330	Kotlin	2023-10-26 18:56:41
10	Roy Liu	1471	Kotlin	2023-06-23 10:58:25

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	1011	Lua	2023-11-14 22:22:03

#	User	Length	Language	Date
1	Joel Newman	11424	OCaml	2023-11-23 00:26:23

#	User	Length	Language	Date
1	Ingemar Ragnemalm	826	Pascal	2019-05-27 10:36:37
2	David Connolly	1381	Pascal	2021-12-02 16:47:34

#	User	Length	Language	Date
1	Renate Fiala-Lundström	386	PHP	2021-07-15 00:13:56
2	Anders Larsson	567	PHP	2020-03-30 10:59:42

#	User	Length	Language	Date
1	Andriy Zyevakov	3933	Prolog	2025-02-01 08:45:14

#	User	Length	Language	Date
1	Thomas Feld	220	Python 2	2019-10-11 12:46:11
2	Klas af Geijerstam	234	Python 2	2018-11-18 00:08:11
3	Johan Lyts	249	Python 2	2019-07-09 12:40:10
4	Justin Su	250	Python 2	2019-10-09 11:42:33
5	Jesper Öqvist	270	Python 2	2019-02-26 11:47:35
6	Zander Thannhauser	292	Python 2	2018-11-10 05:27:55
7	Deepu Pillai	305	Python 2	2022-05-05 11:54:58
8	Chase Hinesman	345	Python 2	2019-01-18 22:02:48
9	Brandon Sovran	352	Python 2	2022-03-30 22:48:25
10	emma barbisan	354	Python 2	2021-04-12 21:51:40

#	User	Length	Language	Date
1	Simon Hellsten	116	Python 3	2023-06-25 20:57:51
2	Isak Nyberg	120	Python 3	2023-06-27 16:22:59
3	Benjamin Z White	123	Python 3	2023-05-08 09:36:25
4	Jakob Fredby	135	Python 3	2025-07-03 02:59:42
5	Daniel Bogorad	140	Python 3	2025-12-19 00:00:53
6	Ahmed Chamseddine	158	Python 3	2025-03-26 15:58:56
7	Timothy Baeckelant	173	Python 3	2023-12-18 00:27:13
8	Hamza Rashid	185	Python 3	2024-11-27 23:48:54
9	Juan Pablo Morales	186	Python 3	2025-05-03 16:58:38
10	Rohith Narayanan. S	187	Python 3	2020-11-06 18:01:21

#	User	Length	Language	Date
1	Thomas Feld	86	Ruby	2023-06-02 14:01:17
2	Clement Oh	151	Ruby	2024-01-03 08:34:54
3	Dylan Mcdougall	1232	Ruby	2019-12-09 21:48:14
4	Mridula Prabhu	1533	Ruby	2019-04-04 18:05:28

#	User	Length	Language	Date
1	Vincent Lagerros	646	Rust	2024-12-09 22:13:22
2	David Rasch	877	Rust	2022-10-29 13:02:06
3	Bas Dirks	878	Rust	2022-01-18 13:04:39
4	Behos	893	Rust	2024-10-02 18:52:49
5	Oskar Lindén	925	Rust	2022-06-22 20:42:54
6	Adam Gausmann	1395	Rust	2019-09-13 18:02:59
7	Melker Forsberg	1580	Rust	2023-06-22 13:53:40
8	Isak Jägberg	1799	Rust	2023-03-22 16:10:49
9	Loïc CARR	1874	Rust	2019-04-02 20:05:16
10	Anthony Audoin	1917	Rust	2021-01-23 15:07:26

#	User	Length	Language	Date
1	Hidden user	1105	TypeScript	2024-10-06 09:54:23
2	Joel Martelleur	3941	TypeScript	2024-05-02 13:19:04

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	621	Visual Basic	2025-11-02 19:52:22

Solution running time distribution