Problem D
Polynomial Multiplication 1 — Problem Statistics

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Submissions	3196
Accepted submissions	1784
Submission ratio	55.82%
Authors	1414
Full solves [?]	1330
Full solve Ratio	94.06%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2016-07-05 09:09:16
2	Merih Bora Poçan	0.00 s	C	2024-09-30 18:25:08
3	Mats Linander	0.01 s	C	2006-11-28 08:12:04
4	John Eriksson	0.01 s	C	2015-09-19 16:03:19
5	Adam Evans	0.01 s	C	2015-09-20 22:08:09
6	Wouter van Veelen	0.01 s	C	2015-11-24 02:36:46
7	Đinh Phạm Đăng Khoa	0.01 s	C	2016-03-15 13:59:47
8	Paul Gunawan	0.01 s	C	2016-08-07 19:51:25
9	Peter Piwowarski	0.01 s	C	2016-09-08 04:50:43
10	Othmane Mahfoud	0.01 s	C	2016-09-16 22:05:36

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.04 s	C#	2015-12-08 19:13:18
2	Michael Snyder	0.04 s	C#	2017-09-08 19:56:39
3	Mads Storm Hansen	0.05 s	C#	2015-07-20 15:58:56
4	Sampath Vuyyuru	0.05 s	C#	2017-12-09 13:16:12
5	Petra Marc	0.06 s	C#	2016-12-09 21:23:08
6	Victor Hultén Mattsson	0.06 s	C#	2021-06-15 18:46:43
7	Göran Andersson	0.06 s	C#	2022-05-18 19:13:41
8	Rickard Bemm	0.07 s	C#	2021-09-08 11:47:13
9	Krzysztof Magda	0.07 s	C#	2023-07-28 01:27:53
10	Robert Low	0.08 s	C#	2016-07-26 16:32:03

#	User	Runtime	Language	Date
1	Grae Yeandle	0.00 s	C++	2016-12-04 18:02:38
2	Agis Daniels	0.00 s	C++	2017-10-25 03:23:16
3	Hidden user	0.01 s	C++	2006-11-28 17:22:04
4	Henrik Ygge	0.01 s	C++	2006-11-29 14:43:32
5	Hidden user	0.01 s	C++	2006-11-30 01:29:49
6	Joakim Eriksson	0.01 s	C++	2006-12-04 12:43:42
7	Hidden user	0.01 s	C++	2006-12-06 15:35:38
8	Ulf Lundström	0.01 s	C++	2006-12-22 21:26:28
9	Emil Lenngren	0.01 s	C++	2013-04-23 00:26:28
10	Bjarki Ágúst Guðmundsson	0.01 s	C++	2014-01-04 21:56:29

#	User	Runtime	Language	Date
1	David Cawthon	0.07 s	Common Lisp	2020-06-28 17:35:45

#	User	Runtime	Language	Date
1	Simon Echers	0.11 s	F#	2022-01-22 02:20:04

#	User	Runtime	Language	Date
1	Thomas	0.06 s	Go	2024-01-09 19:28:18
2	Norbert Voelker	0.09 s	Go	2021-04-27 23:13:24
3	Eric Martin	0.11 s	Go	2019-01-06 04:54:05
4	Aleksander Jan Mistewicz	0.23 s	Go	2019-02-07 14:18:18
5	Lucas Costa Oliveira	0.45 s	Go	2020-01-31 21:11:10

#	User	Runtime	Language	Date
1	Christian Leipe	0.02 s	Haskell	2022-01-27 14:04:52
2	Steinar Simonnes	0.02 s	Haskell	2024-02-04 17:57:46
3	Jan Hrček	0.03 s	Haskell	2021-03-13 13:06:56
4	Tim Put	0.07 s	Haskell	2020-10-22 02:42:02
5	David Wärn	0.09 s	Haskell	2016-06-13 11:02:19
6	Qi Ji	0.14 s	Haskell	2019-03-01 17:50:34
7	Hidden user	0.14 s	Haskell	2019-08-31 21:27:52
8	Hamish Starling	0.28 s	Haskell	2021-08-10 21:13:23
9	Chan Ken	0.49 s	Haskell	2021-08-08 09:17:45
10	Joeri	0.60 s	Haskell	2023-06-22 20:04:20

#	User	Runtime	Language	Date
1	Jan Štola	0.11 s	Java	2015-05-07 18:01:12
2	Simon Klein	0.14 s	Java	2013-04-16 19:17:17
3	Björn Holm	0.14 s	Java	2014-09-28 00:51:00
4	Hidden user	0.14 s	Java	2016-09-22 08:46:34
5	Liam Keliher	0.14 s	Java	2020-09-28 04:30:44
6	Richard Nysäter	0.15 s	Java	2014-04-12 12:58:43
7	Dennis Ang	0.15 s	Java	2015-10-05 15:25:20
8	Hidden user	0.15 s	Java	2016-02-05 19:47:10
9	Nick Wu	0.15 s	Java	2016-03-24 18:10:43
10	Pranav Murugappan	0.15 s	Java	2016-07-26 08:58:40

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	JavaScript (Node.js)	2024-10-26 05:38:22
2	Andoko Chandra	0.46 s	JavaScript (Node.js)	2020-10-18 09:57:23
3	Chris Wong	0.50 s	JavaScript (Node.js)	2021-03-18 16:39:11

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2016-02-24 23:25:16
2	Peter Kedemo	0.03 s	JavaScript (SpiderMonkey)	2016-04-10 22:42:51
3	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2022-09-10 23:22:46
4	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-01-15 17:05:16
5	Zach Tschetter	0.04 s	JavaScript (SpiderMonkey)	2023-06-25 22:12:03
6	Samuel Jefferis	0.05 s	JavaScript (SpiderMonkey)	2021-08-21 23:38:46

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.24 s	Kotlin	2020-04-24 01:47:33
2	Phường Lên	0.41 s	Kotlin	2020-01-09 22:41:33
3	Jacob Huebner	0.46 s	Kotlin	2020-04-24 05:03:53
4	Emil Wihlander	0.47 s	Kotlin	2024-07-22 00:13:46
5	Adam Rankin	0.50 s	Kotlin	2023-09-12 06:04:05
6	Chris Johnson	0.59 s	Kotlin	2023-05-03 00:12:56
7	Jesper Bech Christensen	0.69 s	Kotlin	2023-10-25 10:54:56
8	Neil Harmon	0.74 s	Kotlin	2019-05-23 14:23:20

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2017-08-09 11:14:43

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.04 s	Python 2	2015-05-11 21:18:57
2	Sigurður Jens Albertsson	0.04 s	Python 2	2017-12-03 21:29:08
3	Haggai Liu	0.04 s	Python 2	2018-12-29 08:17:45
4	Hidden user	0.05 s	Python 2	2015-09-20 18:16:39
5	Hidden user	0.05 s	Python 2	2015-09-23 15:35:36
6	Ciara Godwin	0.05 s	Python 2	2017-07-26 17:01:32
7	Johann Ly	0.05 s	Python 2	2018-10-16 06:57:25
8	Giorgos Trogadas	0.05 s	Python 2	2019-04-03 01:05:39
9	Johan Lyts	0.05 s	Python 2	2019-06-14 15:00:22
10	Andreas Björklund	0.05 s	Python 2	2019-08-24 15:35:48

#	User	Runtime	Language	Date
1	Jiaming Kong	0.05 s	Python 3	2025-07-18 10:54:15
2	ro011110ot	0.05 s	Python 3	2025-09-08 09:58:43
3	Guillermo Hernández	0.06 s	Python 3	2022-09-11 18:41:09
4	Wernher To	0.06 s	Python 3	2022-09-28 07:54:10
5	lankan01	0.06 s	Python 3	2024-10-14 11:06:26
6	Sander Oppen	0.06 s	Python 3	2024-11-13 23:20:22
7	Lasse Letager Hansen	0.06 s	Python 3	2024-11-22 18:33:14
8	Joseph Calabro	0.06 s	Python 3	2024-12-06 02:47:35
9	Hidden user	0.06 s	Python 3	2024-12-06 08:53:40
10	Rebecca Jackson	0.06 s	Python 3	2025-01-04 06:21:52

#	User	Runtime	Language	Date
1	Macdara mac an tSionnaigh	0.23 s	Ruby	2019-09-17 18:47:51
2	Kok Dith	0.26 s	Ruby	2021-08-20 06:35:05
3	Thomas Feld	0.47 s	Ruby	2025-08-26 13:19:11

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-08-19 02:45:26
2	Blake Hyde	0.01 s	Rust	2019-11-18 13:54:29
3	Eric Pinter	0.01 s	Rust	2020-05-18 22:59:12
4	Joshua Ji	0.01 s	Rust	2020-11-04 09:22:56
5	David Rasch	0.01 s	Rust	2021-01-29 15:38:12
6	Atli Fannar Franklín	0.01 s	Rust	2021-03-13 16:38:33
7	Freek van Keulen	0.01 s	Rust	2021-12-20 19:05:34
8	Bas Dirks	0.01 s	Rust	2022-02-17 09:49:35
9	Raphaël Gauthier	0.01 s	Rust	2022-07-26 10:12:25
10	Aaron Lengyel	0.01 s	Rust	2022-08-22 12:19:09

#	User	Length	Language	Date
1	Hidden user	619	C	2017-06-05 16:32:39
2	Velvet	633	C	2021-07-30 16:07:34
3	Johan Öhlin	644	C	2017-09-26 10:29:38
4	Olle Eriksson	682	C	2016-11-13 22:16:18
5	Mirel Cosulschi	696	C	2023-01-04 15:01:51
6	Hidden user	711	C	2020-04-09 21:14:51
7	Wouter van Veelen	718	C	2015-11-24 02:36:46
8	Naswan Nashir Ramadhan	726	C	2023-11-14 05:37:03
9	Alexei Fedotov	730	C	2017-08-03 16:54:13
10	Đinh Phạm Đăng Khoa	744	C	2016-03-15 13:59:47

#	User	Length	Language	Date
1	Thomas Norris	1043	C#	2019-11-04 17:51:18
2	Krzysztof Magda	1227	C#	2023-07-28 01:27:53
3	Denys Vega	1282	C#	2021-04-07 10:05:16
4	Hidden user	1350	C#	2020-07-08 18:25:23
5	Udgin Pyl	1510	C#	2015-09-22 21:21:31
6	Mads Storm Hansen	1533	C#	2015-07-20 15:58:56
7	Göran Andersson	1579	C#	2022-05-18 19:13:41
8	Robert Low	1702	C#	2016-07-26 16:32:03
9	Adam Imbert	1718	C#	2020-12-16 23:13:43
10	Michael Snyder	1728	C#	2017-09-08 19:56:39

#	User	Length	Language	Date
1	Said Lakhfif	464	C++	2016-11-22 23:23:46
2	Herman Karlsson	470	C++	2015-05-27 11:45:55
3	Ganapathy Sanath Balaji	478	C++	2019-08-09 16:19:04
4	Way Tan	486	C++	2018-11-27 05:42:19
5	Jacob Pfeifer	490	C++	2023-11-20 13:46:07
6	Andres Leonel Juarez Careaga	519	C++	2020-08-22 17:24:15
7	Johan Wind	535	C++	2015-11-28 17:49:22
8	Nguyen Tran Huu Duc	535	C++	2022-01-12 09:42:51
9	Nguyễn Phước Quý Tín	536	C++	2016-03-15 07:24:36
10	Quanmeng Wang	541	C++	2015-11-16 13:05:46

#	User	Length	Language	Date
1	David Cawthon	766	Common Lisp	2020-06-28 17:35:45

#	User	Length	Language	Date
1	Simon Echers	538	F#	2022-01-22 02:20:04

#	User	Length	Language	Date
1	Eric Martin	1089	Go	2019-01-06 04:54:05
2	Lucas Costa Oliveira	1393	Go	2020-01-31 21:11:10
3	Norbert Voelker	1439	Go	2021-04-27 23:13:24
4	Thomas	1786	Go	2024-01-09 19:28:18
5	Aleksander Jan Mistewicz	3520	Go	2019-02-07 14:07:19

#	User	Length	Language	Date
1	Bjarki Baldursson Harksen	572	Haskell	2021-11-09 13:25:03
2	Joeri	632	Haskell	2023-06-22 20:04:20
3	David Wärn	670	Haskell	2016-06-13 11:02:19
4	Qi Ji	801	Haskell	2019-03-01 17:50:34
5	obshidian	1055	Haskell	2020-05-12 19:59:55
6	Steinar Simonnes	1075	Haskell	2024-02-04 17:56:36
7	Johan Meier	1088	Haskell	2017-01-07 04:58:54
8	Hamish Starling	1088	Haskell	2021-08-10 21:13:23
9	Chan Ken	1126	Haskell	2021-08-08 09:17:45
10	Lim Ming Yean	1231	Haskell	2019-03-09 02:52:32

#	User	Length	Language	Date
1	Mark Joseph Kuebel	725	Java	2017-09-06 00:09:06
2	Hidden user	738	Java	2019-02-09 03:39:19
3	Caeden Whitaker	738	Java	2020-07-27 05:46:54
4	Kevin Kauffman	781	Java	2022-01-03 03:32:58
5	Huang Jingnan	786	Java	2018-08-08 14:30:16
6	Ada Clevinger	795	Java	2018-08-11 23:59:26
7	George Badea	798	Java	2017-05-15 21:37:38
8	Jesse Moore	823	Java	2015-10-13 17:28:31
9	Umesh Ravuru	849	Java	2016-03-24 18:03:24
10	Jacob Striebel	917	Java	2015-10-12 03:13:44

#	User	Length	Language	Date
1	Chris Wong	963	JavaScript (Node.js)	2021-03-18 16:39:11
2	Hidden user	975	JavaScript (Node.js)	2024-10-26 05:47:58
3	Andoko Chandra	1224	JavaScript (Node.js)	2020-10-18 09:57:23

#	User	Length	Language	Date
1	Jimmy Gustafsson	338	JavaScript (SpiderMonkey)	2022-09-10 23:22:46
2	Zach Tschetter	512	JavaScript (SpiderMonkey)	2023-06-25 22:12:03
3	Peter Kedemo	513	JavaScript (SpiderMonkey)	2016-04-10 22:42:51
4	Christian Pilegaard Cederquist	682	JavaScript (SpiderMonkey)	2023-01-15 17:05:16
5	Bjørn Chr. Soltvedt	701	JavaScript (SpiderMonkey)	2016-02-24 23:25:16
6	Samuel Jefferis	903	JavaScript (SpiderMonkey)	2021-08-21 23:38:46

#	User	Length	Language	Date
1	Emil Wihlander	618	Kotlin	2024-07-22 00:13:46
2	Jacob Huebner	754	Kotlin	2020-04-27 04:41:26
3	Phường Lên	937	Kotlin	2020-01-09 22:41:33
4	Adam Rankin	973	Kotlin	2023-09-12 06:04:05
5	Chris Johnson	1222	Kotlin	2023-05-03 00:12:56
6	Neil Harmon	1331	Kotlin	2019-05-23 14:23:20
7	Nicholas Johnson	1602	Kotlin	2020-04-24 01:50:55
8	Jesper Bech Christensen	2028	Kotlin	2023-10-25 10:54:56

#	User	Length	Language	Date
1	Ingemar Ragnemalm	750	Pascal	2017-08-09 11:14:43

#	User	Length	Language	Date
1	Thomas Feld	305	Python 2	2019-09-12 15:58:13
2	Haggai Liu	311	Python 2	2018-12-29 08:17:45
3	Andreas Björklund	342	Python 2	2019-08-24 15:35:48
4	Sigurður Jens Albertsson	367	Python 2	2017-12-03 21:29:08
5	Johan Lyts	371	Python 2	2019-06-14 15:00:22
6	Johann Ly	379	Python 2	2018-10-16 06:57:25
7	Çağdaş Öztekin	390	Python 2	2017-09-08 18:01:03
8	Jonas Kylling	392	Python 2	2015-05-09 12:42:42
9	Ciara Godwin	415	Python 2	2017-07-26 17:01:32
10	Hidden user	470	Python 2	2019-11-21 09:39:46

#	User	Length	Language	Date
1	Tom Chauvel	201	Python 3	2023-12-31 22:24:46
2	Lawry Sorenson	202	Python 3	2023-08-04 00:01:08
3	Guk Yi Siong	211	Python 3	2023-05-14 11:08:29
4	Gustav Elmqvist	226	Python 3	2023-01-27 21:10:51
5	Eduardo Vicente Petry	226	Python 3	2023-03-06 11:34:25
6	Ahmed Chamseddine	252	Python 3	2024-07-22 16:29:47
7	Farzam Abrishami	264	Python 3	2025-05-05 01:29:05
8	Hidden user	269	Python 3	2020-08-04 01:43:36
9	Frank Shin	287	Python 3	2021-05-30 11:48:10
10	David Aldenbro	287	Python 3	2025-02-26 22:26:56

#	User	Length	Language	Date
1	Thomas Feld	120	Ruby	2025-08-26 13:19:11
2	Kok Dith	378	Ruby	2021-08-20 06:35:05
3	Macdara mac an tSionnaigh	427	Ruby	2019-09-17 18:47:51

#	User	Length	Language	Date
1	Artur Khuziakhmetov	678	Rust	2023-08-08 14:57:54
2	Freek van Keulen	945	Rust	2021-12-20 19:05:34
3	David Rasch	1038	Rust	2021-01-29 15:38:12
4	Atli Fannar Franklín	1064	Rust	2021-03-13 16:38:33
5	Eric Pinter	1079	Rust	2020-05-18 22:59:12
6	Bas Dirks	1106	Rust	2022-02-17 09:49:35
7	Pankajkumar Patro	1132	Rust	2024-11-01 16:48:27
8	Raphaël Gauthier	1235	Rust	2022-07-26 10:12:25
9	Simon Grünwald	1296	Rust	2023-07-16 02:46:22
10	Joshua Ji	1604	Rust	2020-11-04 09:22:56

Solution running time distribution