Problem C
Are You Listening? — Problem Statistics

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Submissions	4705
Accepted submissions	1516
Submission ratio	32.22%
Authors	1491
Full solves [?]	1308
Full solve Ratio	87.73%

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

#	User	Runtime	Language	Date
1	Brian Liang	0.02 s	C#	2019-02-13 14:04:50
2	Matthew Martin	0.02 s	C#	2019-02-25 16:07:22
3	Shakib Absar	0.02 s	C#	2019-09-14 03:29:49
4	Gustaf Ahlner	0.02 s	C#	2022-03-01 12:28:50
5	Yuwono Bangun Nagoro	0.03 s	C#	2020-09-17 20:41:34
6	Mikael Fiala-Lundström	0.03 s	C#	2021-07-15 03:02:24
7	Robert Warnestam	0.03 s	C#	2021-10-16 12:57:13
8	Göran Andersson	0.03 s	C#	2022-06-08 00:14:35
9	Asger Lysdahl	0.05 s	C#	2023-06-03 22:27:17
10	Ahmed Mahmood	0.05 s	C#	2024-09-11 15:36:45

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

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Go	2019-03-11 11:51:57
2	Markus Weller	0.07 s	Go	2019-03-29 04:21:08
3	Norbert Voelker	0.07 s	Go	2021-07-28 01:07:09
4	Jimmy Nejtron	0.08 s	Go	2019-08-21 21:39:13
5	Hidden user	0.08 s	Go	2019-09-23 15:52:40

#	User	Runtime	Language	Date
1	Erik Persson	0.00 s	Haskell	2022-08-29 15:46:13
2	Hidden user	0.00 s	Haskell	2022-12-25 14:08:52
3	Daniel Brännvall	0.00 s	Haskell	2023-06-26 10:18:42
4	Steinar Simonnes	0.00 s	Haskell	2025-01-01 21:59:37
5	Brent Yorgey	0.01 s	Haskell	2018-11-17 19:13:43
6	obshidian	0.01 s	Haskell	2020-03-30 21:07:20
7	Jan Hrček	0.01 s	Haskell	2021-04-23 16:42:36
8	Hidden user	0.01 s	Haskell	2021-06-26 16:11:42
9	Agus Sentosa Hermawan	0.01 s	Haskell	2021-11-03 00:26:50

#	User	Runtime	Language	Date
1	Ludvig Dahlberg	0.04 s	Java	2025-07-03 09:02:34
2	Andreas Lindgren	0.05 s	Java	2024-09-21 21:41:25
3	Achim Ahlers	0.05 s	Java	2024-10-06 10:02:18
4	Nguyen Do	0.06 s	Java	2018-12-09 18:17:33
5	Jiayi Lee	0.06 s	Java	2020-05-21 06:06:01
6	Andreas Guldborg Hansen	0.06 s	Java	2021-12-05 14:59:35
7	Sven Rönnbäck	0.06 s	Java	2022-12-03 22:28:37
8	Frank Liu	0.06 s	Java	2023-02-18 00:24:21
9	Ranjith M	0.06 s	Java	2023-04-20 04:49:22
10	Axel Nilsson	0.06 s	Java	2023-06-24 17:40:17

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

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-22 19:21:05
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-28 10:14:13
3	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2018-12-30 17:16:48
4	Zachary DeStefano	0.03 s	JavaScript (SpiderMonkey)	2019-10-14 17:50:18
5	Dylan Mcdougall	0.03 s	JavaScript (SpiderMonkey)	2019-12-10 21:27:11

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2024-06-01 05:16:57
2	Eric Fung	0.66 s	Julia	2024-09-12 02:17:31
3	Danny Robinson	0.73 s	Julia	2023-10-30 21:27:54

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2021-05-29 06:35:16
2	Daniel Taco Törbacka	0.14 s	Kotlin	2018-12-14 18:40:37
3	Roy Liu	0.18 s	Kotlin	2023-06-23 12:58:25
4	Hidden user	0.19 s	Kotlin	2019-10-24 21:36:42
5	Bradley Richards	0.19 s	Kotlin	2023-03-08 09:15:03
6	Eric Sjöström	0.19 s	Kotlin	2023-06-28 18:25:11
7	Phường Lên	0.20 s	Kotlin	2019-10-25 19:48:28
8	Adam Rankin	0.20 s	Kotlin	2023-10-26 20:56:41
9	Eric Huynh	0.21 s	Kotlin	2019-03-19 19:09:54
10	Merih Bora Poçan	0.21 s	Kotlin	2020-08-26 03:11:38

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.00 s	Lua	2023-11-14 23:22:03

#	User	Runtime	Language	Date
1	Joel Newman	0.00 s	OCaml	2023-11-23 01:26:23

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-05-27 12:36:37
2	David Connolly	0.04 s	Pascal	2021-12-02 17:47:34

#	User	Runtime	Language	Date
1	Anders Larsson	0.01 s	PHP	2020-03-30 12:59:42
2	Renate	0.01 s	PHP	2021-07-15 02:13:56

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2025-02-01 09:45:14

#	User	Runtime	Language	Date
1	Jimmy Wu	0.03 s	Python 2	2018-11-10 06:14:41
2	Zander Thannhauser	0.03 s	Python 2	2018-11-10 06:27:55
3	Max Holmberg	0.03 s	Python 2	2018-11-12 12:07:22
4	Mark van Helvoort	0.03 s	Python 2	2018-11-14 16:33:26
5	Klas af Geijerstam	0.03 s	Python 2	2018-11-18 01:08:11
6	Oskar Haarklou Veileborg	0.03 s	Python 2	2018-11-21 10:48:25
7	Hidden user	0.03 s	Python 2	2018-12-11 00:07:01
8	Johann Ly	0.03 s	Python 2	2018-12-31 09:21:16
9	Chase Hinesman	0.03 s	Python 2	2019-01-18 23:02:48
10	William Ogletree	0.03 s	Python 2	2019-01-19 00:25:35

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 3	2018-11-14 15:16:17
2	Erlend Syljuåsen	0.02 s	Python 3	2018-11-24 22:15:17
3	Chocs	0.02 s	Python 3	2018-11-26 15:51:17
4	Hidden user	0.02 s	Python 3	2018-12-06 14:35:06
5	Trung Nguyen	0.02 s	Python 3	2018-12-17 06:55:30
6	Catalin Popa	0.02 s	Python 3	2018-12-26 02:53:48
7	Vincent Tandya	0.02 s	Python 3	2018-12-28 13:15:30
8	Georgia Weisz	0.02 s	Python 3	2019-01-02 18:26:16
9	Domenico Salvagnin	0.02 s	Python 3	2019-01-09 16:20:01
10	Simon Nilsson	0.02 s	Python 3	2019-01-09 22:39:44

#	User	Runtime	Language	Date
1	Mridula Prabhu	0.05 s	Ruby	2019-04-04 20:05:28
2	Dylan Mcdougall	0.05 s	Ruby	2019-12-09 22:48:14
3	Thomas Feld	0.06 s	Ruby	2023-06-02 15:58:56
4	Clement Oh	0.07 s	Ruby	2024-01-03 09:34:54

#	User	Runtime	Language	Date
1	Loïc CARR	0.00 s	Rust	2019-04-02 22:05:16
2	Adam Gausmann	0.00 s	Rust	2019-09-13 20:02:59
3	Anthony Audoin	0.00 s	Rust	2021-01-23 16:07:26
4	Bas Dirks	0.00 s	Rust	2022-01-18 14:04:39
5	Oskar Lindén	0.00 s	Rust	2022-06-22 22:42:54
6	David Rasch	0.00 s	Rust	2022-10-29 15:02:06
7	Isak Jägberg	0.00 s	Rust	2023-03-22 17:10:49
8	Melker Forsberg	0.00 s	Rust	2023-06-22 15:50:09
9	Behos	0.00 s	Rust	2024-10-02 20:52:49
10	Vincent Lagerros	0.00 s	Rust	2024-12-09 23:12:31

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	TypeScript	2024-10-06 11:54:23
2	Joel Martelleur	0.05 s	TypeScript	2024-05-02 15:19:04

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.06 s	Visual Basic	2025-11-02 20:52:22

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

#	User	Length	Language	Date
1	Fredrik Karlberg	442	C	2023-06-28 22:30:33
2	Ivan Petrov	696	C	2019-09-07 17:45:51
3	Warren Mazmur	728	C	2019-09-20 17:21:54
4	Axel Delbom	745	C	2021-04-11 22:38:59
5	Chang Jie Leong	804	C	2019-05-05 10:13:22
6	Ravi Shankar Reddy Kanakaveeti	835	C	2018-12-12 10:56:24
7	Ioannis Br	877	C	2024-12-20 23:21:22
8	Johan Larsson	879	C	2022-06-29 08:43:07
9	Hidden user	1035	C	2019-05-05 09:27:44
10	Fernando Darren Rachman	1038	C	2024-09-13 14:21:51

#	User	Length	Language	Date
1	Erick Whatcott	630	C#	2025-01-24 01:36:51
2	Göran Andersson	813	C#	2022-06-08 00:14:35
3	Matthew Martin	1101	C#	2019-02-25 16:07:22
4	Brian Liang	1427	C#	2019-02-13 14:04:50
5	Shakib Absar	1675	C#	2019-09-14 03:29:49
6	Annie Yang	1905	C#	2025-04-19 18:15:54
7	Yuwono Bangun Nagoro	1907	C#	2020-09-17 20:41:34
8	Ahmed Mahmood	2278	C#	2024-09-11 15:36:45
9	Gustaf Ahlner	2433	C#	2022-02-19 20:56:56
10	Mikael Fiala-Lundström	2649	C#	2021-07-15 03:02:24

#	User	Length	Language	Date
1	Nathan Duncan	270	C++	2024-02-17 21:38:16
2	Way Tan	327	C++	2018-12-04 09:29:15
3	Johan Wind	330	C++	2018-11-10 23:50:41
4	Pavan Motupalli	359	C++	2022-04-05 17:18:17
5	Vifill Sverrisson	368	C++	2018-11-16 19:43:09
6	Quinn Flavel	373	C++	2022-01-06 02:01:44
7	Kevin Wei	374	C++	2024-11-07 23:49:58
8	Slimlix	376	C++	2022-05-21 16:46:33
9	Ephemeral Rhythm	377	C++	2024-09-16 14:27:56
10	Andrew Blackwell	379	C++	2025-10-16 17:56:26

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

#	User	Length	Language	Date
1	Hidden user	479	Go	2019-03-11 11:51:57
2	Markus Weller	744	Go	2019-03-29 04:21:08
3	Hidden user	846	Go	2019-09-23 15:52:40
4	Norbert Voelker	889	Go	2021-07-28 01:07:09
5	Jimmy Nejtron	1605	Go	2019-08-21 21:39:13

#	User	Length	Language	Date
1	Erik Persson	351	Haskell	2022-08-29 15:48:58
2	Agus Sentosa Hermawan	457	Haskell	2021-11-03 00:26:50
3	Steinar Simonnes	689	Haskell	2025-01-01 22:02:11
4	Jan Hrček	696	Haskell	2021-04-23 16:42:36
5	Brent Yorgey	876	Haskell	2018-11-17 19:13:43
6	Hidden user	930	Haskell	2022-12-25 14:08:52
7	Daniel Brännvall	945	Haskell	2023-06-26 10:18:42
8	obshidian	972	Haskell	2020-03-30 21:07:20
9	Hidden user	14536	Haskell	2021-06-26 16:11:42

#	User	Length	Language	Date
1	Duncan Page	566	Java	2020-03-02 23:45:46
2	Ng Yong Xiang	594	Java	2021-12-05 10:00:53
3	Dylan Smith	612	Java	2019-06-14 03:47:27
4	Marcus Der	624	Java	2019-03-08 07:45:20
5	Doug Goodman	634	Java	2019-01-02 21:57:21
6	Hoàng Minh	637	Java	2019-09-14 01:52:25
7	Hunter Mullen	640	Java	2025-02-24 06:50:20
8	Yifan Sun	641	Java	2021-02-12 21:31:06
9	Calvin Godfrey	659	Java	2019-05-03 20:37:54
10	Mason Wiedow	665	Java	2024-09-28 18:52:44

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

#	User	Length	Language	Date
1	Jimmy Gustafsson	258	JavaScript (SpiderMonkey)	2022-06-22 19:21:05
2	Christian Pilegaard Cederquist	375	JavaScript (SpiderMonkey)	2023-03-28 10:14:13
3	Zachary DeStefano	405	JavaScript (SpiderMonkey)	2019-10-14 17:50:18
4	Bjørn Chr. Soltvedt	455	JavaScript (SpiderMonkey)	2018-12-30 17:16:48
5	Dylan Mcdougall	1208	JavaScript (SpiderMonkey)	2019-12-10 21:27:11

#	User	Length	Language	Date
1	Danny Robinson	119	Julia	2023-10-30 21:27:54
2	Eric Fung	386	Julia	2024-09-12 02:48:15
3	Timothy Gaede	1401	Julia	2024-06-01 05:16:57

#	User	Length	Language	Date
1	Eric Sjöström	432	Kotlin	2023-06-28 18:25:11
2	Merih Bora Poçan	649	Kotlin	2020-08-26 03:11:38
3	Eric Huynh	703	Kotlin	2019-03-19 19:09:54
4	Phường Lên	784	Kotlin	2019-10-25 19:48:28
5	Bradley Richards	832	Kotlin	2023-03-08 09:15:03
6	Hidden user	1013	Kotlin	2019-10-24 21:36:42
7	Jacob Huebner	1225	Kotlin	2021-05-29 06:35:16
8	Jonathan Soo	1280	Kotlin	2019-08-20 10:54:58
9	Adam Rankin	1330	Kotlin	2023-10-26 20:56:41
10	Roy Liu	1471	Kotlin	2023-06-23 12:58:25

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	1011	Lua	2023-11-14 23:22:03

#	User	Length	Language	Date
1	Joel Newman	11424	OCaml	2023-11-23 01:26:23

#	User	Length	Language	Date
1	Ingemar Ragnemalm	826	Pascal	2019-05-27 12:36:37
2	David Connolly	1381	Pascal	2021-12-02 17:47:34

#	User	Length	Language	Date
1	Renate	386	PHP	2021-07-15 02:13:56
2	Anders Larsson	567	PHP	2020-03-30 12:59:42

#	User	Length	Language	Date
1	Andriy Zyevakov	3933	Prolog	2025-02-01 09:45:14

#	User	Length	Language	Date
1	Thomas Feld	220	Python 2	2019-10-11 14:46:11
2	Klas af Geijerstam	234	Python 2	2018-11-18 01:08:11
3	Johan Lyts	249	Python 2	2019-07-09 14:40:10
4	Justin Su	250	Python 2	2019-10-09 13:42:33
5	Jesper Öqvist	270	Python 2	2019-02-26 12:47:35
6	Zander Thannhauser	292	Python 2	2018-11-10 06:27:55
7	Deepu Pillai	305	Python 2	2022-05-05 13:54:58
8	Chase Hinesman	345	Python 2	2019-01-18 23:02:48
9	Brandon Sovran	352	Python 2	2022-03-31 00:48:25
10	emma barbisan	354	Python 2	2021-04-12 23:51:40

#	User	Length	Language	Date
1	Simon Hellsten	116	Python 3	2023-06-25 22:57:51
2	Isak Nyberg	120	Python 3	2023-06-27 18:22:59
3	Benjamin Z White	123	Python 3	2023-05-08 11:36:25
4	Jakob Fredby	135	Python 3	2025-07-03 04:59:42
5	Ahmed Chamseddine	158	Python 3	2025-03-26 16:58:56
6	Timothy Baeckelant	173	Python 3	2023-12-18 01:27:13
7	Hamza Rashid	185	Python 3	2024-11-28 00:48:54
8	Juan Pablo Morales	186	Python 3	2025-05-03 18:58:38
9	Rohith Narayanan. S	187	Python 3	2020-11-06 19:01:21
10	Hidden user	187	Python 3	2022-06-21 06:23:50

#	User	Length	Language	Date
1	Thomas Feld	86	Ruby	2023-06-02 16:01:17
2	Clement Oh	151	Ruby	2024-01-03 09:34:54
3	Dylan Mcdougall	1232	Ruby	2019-12-09 22:48:14
4	Mridula Prabhu	1533	Ruby	2019-04-04 20:05:28

#	User	Length	Language	Date
1	Vincent Lagerros	646	Rust	2024-12-09 23:13:22
2	David Rasch	877	Rust	2022-10-29 15:02:06
3	Bas Dirks	878	Rust	2022-01-18 14:04:39
4	Behos	893	Rust	2024-10-02 20:52:49
5	Oskar Lindén	925	Rust	2022-06-22 22:42:54
6	Adam Gausmann	1395	Rust	2019-09-13 20:02:59
7	Melker Forsberg	1580	Rust	2023-06-22 15:53:40
8	Isak Jägberg	1799	Rust	2023-03-22 17:10:49
9	Loïc CARR	1874	Rust	2019-04-02 22:05:16
10	Anthony Audoin	1917	Rust	2021-01-23 16:07:26

#	User	Length	Language	Date
1	Hidden user	1105	TypeScript	2024-10-06 11:54:23
2	Joel Martelleur	3941	TypeScript	2024-05-02 15:19:04

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	621	Visual Basic	2025-11-02 20:52:22

Solution running time distribution