Problem A
Multiplication Table — Problem Statistics

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Submissions	2180
Accepted submissions	711
Submission ratio	32.61%
Authors	483
Full solves [?]	384
Full solve Ratio	79.50%

#	User	Score	Language	Date
1	Bergur Snorrason	2	C	2022-08-17 10:36:36
2	Kang Ming Chen	2	C	2022-08-18 04:43:02
3	Arnav Sastry	2	C	2022-10-06 03:14:34
4	Eyleifur Bjarkason	2	C	2023-03-11 03:35:37
5	Mikael K Eriksson	2	C	2023-04-14 09:21:59
6	Alexander Bilde Pedersen	2	C	2023-09-22 15:24:34
7	Asmus Tørsleff	2	C	2023-12-03 20:16:28
8	Mirel Cosulschi	2	C	2024-10-27 23:17:48
9	August Danell Håkansson	1	C	2023-01-07 02:58:37
10	Dominikus Sebastian Ramli	1	C	2023-12-10 15:09:08

#	User	Score	Language	Date
1	T Steenhuis	2	C#	2025-08-26 16:32:14

#	User	Score	Language	Date
1	Tingjie Zhong	2	Common Lisp	2025-11-06 22:10:10

#	User	Score	Language	Date
1	Norbert Voelker	2	Go	2022-08-24 13:06:58
2	Eidan Cohen	2	Go	2023-01-13 18:00:27
3	Johann Yvetot	1	Go	2025-05-22 13:19:11

#	User	Score	Language	Date
1	Brent Yorgey	2	Haskell	2022-08-04 20:42:22
2	Hidden user	2	Haskell	2022-08-28 14:35:36
3	Ng Tek In	2	Haskell	2022-09-17 04:53:32
4	Noa Torstensvik	2	Haskell	2023-01-03 16:43:25
5	Åsmund Kløvstad	2	Haskell	2024-10-22 13:54:44
6	Shinji Koshida	2	Haskell	2025-03-28 20:11:10
7	Fabian Mitterwallner	2	Haskell	2025-09-08 22:52:52
8	Steinar Simonnes	2	Haskell	2025-10-05 21:28:50

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	2	JavaScript (SpiderMonkey)	2022-08-25 04:30:49
2	Christian Pilegaard Cederquist	2	JavaScript (SpiderMonkey)	2023-01-13 22:03:57

#	User	Score	Language	Date
1	Timothy Gaede	2	Julia	2025-04-08 09:29:14

#	User	Score	Language	Date
1	Sam Keyser	2	Kotlin	2022-08-07 06:27:28
2	Adam Rankin	1	Kotlin	2023-05-12 03:42:52

#	User	Score	Language	Date
1	Andriy Zyevakov	2	Prolog	2024-12-21 03:54:56

#	User	Score	Language	Date
1	Johan Lyts	2	Python 2	2022-08-19 14:24:33
2	Kurt Kobjald	2	Python 2	2023-08-17 03:43:55

#	User	Score	Language	Date
1	Thomas Feld	2	Ruby	2023-04-12 00:15:10

#	User	Score	Language	Date
1	David Rasch	2	Rust	2022-11-21 14:28:31
2	Daniel Anker Hermansen	2	Rust	2023-10-10 12:31:33
3	Artur Khuziakhmetov	2	Rust	2025-01-26 13:28:14
4	Jiaye Will Wang	2	Rust	2025-09-24 06:55:35
5	Krish Lal	2	Rust	2025-11-15 00:16:49
6	Logan Travis	2	Rust	2025-11-15 02:33:44

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2022-08-17 10:36:36
2	Kang Ming Chen	0.01 s	C	2022-08-18 04:43:02
3	Arnav Sastry	0.01 s	C	2022-10-06 03:14:34
4	Eyleifur Bjarkason	0.01 s	C	2023-03-11 03:35:37
5	Mikael K Eriksson	0.01 s	C	2023-04-14 09:21:59
6	Alexander Bilde Pedersen	0.01 s	C	2023-09-22 15:24:34
7	Asmus Tørsleff	0.01 s	C	2023-12-03 20:16:28
8	Mirel Cosulschi	0.01 s	C	2024-10-27 23:17:48

#	User	Runtime	Language	Date
1	T Steenhuis	0.06 s	C#	2025-08-26 16:32:14

#	User	Runtime	Language	Date
1	Max Nilsson	0.00 s	C++	2023-06-26 16:04:16
2	Ignacio Castellano Vega	0.00 s	C++	2023-08-08 20:41:25
3	Johan Sannemo	0.01 s	C++	2022-08-03 06:50:35
4	Frank Endriss	0.01 s	C++	2022-08-04 09:52:35
5	Alberto Basaglia	0.01 s	C++	2022-08-10 18:57:32
6	Armen Andreasyan	0.01 s	C++	2022-08-21 09:11:47
7	Teikn Smith	0.01 s	C++	2022-08-24 05:46:32
8	Leslie Yip	0.01 s	C++	2022-08-24 14:47:44
9	Sigurd Huse	0.01 s	C++	2022-08-26 20:14:33
10	Rob LeGrand	0.01 s	C++	2022-08-27 00:55:45

#	User	Runtime	Language	Date
1	Tingjie Zhong	0.03 s	Common Lisp	2025-11-06 22:10:10

#	User	Runtime	Language	Date
1	Eidan Cohen	0.03 s	Go	2023-01-13 18:00:27
2	Norbert Voelker	0.05 s	Go	2022-08-24 13:06:58

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Haskell	2022-08-28 14:51:32
2	Fabian Mitterwallner	0.01 s	Haskell	2025-09-08 22:58:30
3	Åsmund Kløvstad	0.02 s	Haskell	2024-10-22 14:06:20
4	Ng Tek In	0.05 s	Haskell	2022-09-17 04:53:32
5	Steinar Simonnes	0.21 s	Haskell	2025-10-05 21:28:50
6	Noa Torstensvik	0.25 s	Haskell	2023-01-03 16:43:25
7	Shinji Koshida	0.51 s	Haskell	2025-03-28 20:11:10
8	Brent Yorgey	0.57 s	Haskell	2022-08-04 20:42:22

#	User	Runtime	Language	Date
1	Joshua Chin	0.05 s	Java	2025-06-09 11:38:01
2	Bjørn Dons	0.07 s	Java	2023-04-18 20:07:18
3	Aaron Zhou	0.08 s	Java	2023-04-07 06:24:34
4	Sven Rönnbäck	0.08 s	Java	2023-08-20 14:12:15
5	Hang We Hong	0.08 s	Java	2023-11-29 11:07:50
6	Charles	0.09 s	Java	2023-03-02 01:05:33
7	Hidden user	0.10 s	Java	2023-06-09 23:59:37
8	Doug Goodman	0.11 s	Java	2022-08-05 23:32:20
9	Hidden user	0.11 s	Java	2022-08-17 12:55:59
10	Testi Test	0.11 s	Java	2022-09-21 14:41:25

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2022-08-25 04:30:49
2	Christian Pilegaard Cederquist	0.10 s	JavaScript (SpiderMonkey)	2023-01-13 22:03:57

#	User	Runtime	Language	Date
1	Timothy Gaede	0.50 s	Julia	2025-04-08 09:29:14

#	User	Runtime	Language	Date
1	Sam Keyser	0.18 s	Kotlin	2022-08-07 06:27:28

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.17 s	Prolog	2024-12-21 03:54:56

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2022-08-19 14:24:33
2	Kurt Kobjald	0.04 s	Python 2	2023-08-17 03:43:55

#	User	Runtime	Language	Date
1	Johan Lyts	0.05 s	Python 3	2022-08-19 20:59:21
2	Alvin Ng Yong Han	0.05 s	Python 3	2022-08-23 13:59:25
3	Lex Janssens	0.05 s	Python 3	2022-08-26 12:57:36
4	Ryan Tan	0.05 s	Python 3	2022-08-27 12:38:39
5	Guillermo Hernández	0.05 s	Python 3	2022-09-01 16:28:30
6	Hidden user	0.05 s	Python 3	2022-10-13 11:49:46
7	Victor Song	0.05 s	Python 3	2022-10-27 05:45:17
8	Isaac Lee	0.05 s	Python 3	2022-11-11 20:19:46
9	Hidden user	0.05 s	Python 3	2024-08-31 14:51:43
10	Malo	0.05 s	Python 3	2024-11-06 21:06:33

#	User	Runtime	Language	Date
1	Thomas Feld	0.21 s	Ruby	2023-04-12 00:15:10

#	User	Runtime	Language	Date
1	David Rasch	0.01 s	Rust	2022-11-21 14:28:31
2	Daniel Anker Hermansen	0.01 s	Rust	2023-10-10 12:31:33
3	Artur Khuziakhmetov	0.01 s	Rust	2025-01-26 13:28:14
4	Jiaye Will Wang	0.01 s	Rust	2025-09-24 06:55:35
5	Krish Lal	0.01 s	Rust	2025-11-15 00:16:49
6	Logan Travis	0.01 s	Rust	2025-11-15 02:33:44

#	User	Length	Language	Date
1	Mikael K Eriksson	319	C	2023-04-14 09:21:59
2	Arnav Sastry	338	C	2022-10-06 03:14:34
3	Mirel Cosulschi	350	C	2024-10-27 23:17:48
4	Alexander Bilde Pedersen	563	C	2023-09-22 15:24:34
5	Kang Ming Chen	666	C	2022-08-18 04:43:02
6	Asmus Tørsleff	737	C	2023-12-03 20:16:28
7	Bergur Snorrason	1680	C	2022-08-17 10:36:36
8	Eyleifur Bjarkason	7555	C	2023-03-11 03:35:37

#	User	Length	Language	Date
1	T Steenhuis	584	C#	2025-08-26 16:32:14

#	User	Length	Language	Date
1	Tan Chee Heng	151	C++	2022-12-03 10:50:28
2	Jesper Bech Christensen	164	C++	2022-09-14 10:58:04
3	Nicholas Foo Chuan Le	174	C++	2022-09-22 21:57:22
4	Giovanni Gaio	222	C++	2023-08-21 16:44:56
5	Elias Lolck	242	C++	2022-09-10 17:38:26
6	Victor Vatn	254	C++	2022-09-25 01:07:36
7	Nicklas Elyoenai Imbiri	255	C++	2023-03-12 12:05:03
8	Hidden user	258	C++	2024-02-25 19:48:54
9	Mustefa Kamil	260	C++	2022-09-16 10:01:01
10	Armen Andreasyan	268	C++	2022-08-21 09:11:47

#	User	Length	Language	Date
1	Tingjie Zhong	185	Common Lisp	2025-11-06 22:10:10

#	User	Length	Language	Date
1	Norbert Voelker	1792	Go	2022-08-24 13:06:58
2	Eidan Cohen	2388	Go	2023-01-13 18:00:27

#	User	Length	Language	Date
1	Fabian Mitterwallner	534	Haskell	2025-09-08 23:08:48
2	Åsmund Kløvstad	614	Haskell	2024-10-22 14:15:22
3	Ng Tek In	740	Haskell	2022-09-17 04:53:32
4	Hidden user	813	Haskell	2022-08-28 14:35:36
5	Shinji Koshida	1196	Haskell	2025-03-28 20:11:10
6	Steinar Simonnes	1250	Haskell	2025-10-05 21:29:58
7	Noa Torstensvik	1591	Haskell	2023-01-03 16:43:25
8	Brent Yorgey	9647	Haskell	2022-08-04 20:42:22

#	User	Length	Language	Date
1	William Liu	547	Java	2023-06-23 17:21:20
2	Hidden user	571	Java	2023-03-11 16:59:33
3	Jason Liu	573	Java	2023-03-20 02:52:21
4	Aarav Bansal	595	Java	2023-04-20 17:20:11
5	Joshua Chin	660	Java	2025-06-09 11:38:01
6	Hidden user	664	Java	2022-08-17 12:55:59
7	Aaron Zhou	679	Java	2023-04-07 06:24:34
8	Anh Pham	710	Java	2024-01-27 01:29:35
9	Testi Test	773	Java	2022-09-21 14:41:25
10	Andrea	824	Java	2023-06-07 08:25:17

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	213	JavaScript (SpiderMonkey)	2023-04-10 08:59:51
2	Bjørn Chr. Soltvedt	22843	JavaScript (SpiderMonkey)	2022-08-25 07:39:38

#	User	Length	Language	Date
1	Timothy Gaede	3283	Julia	2025-04-08 09:29:14

#	User	Length	Language	Date
1	Sam Keyser	628	Kotlin	2022-08-07 06:27:28

#	User	Length	Language	Date
1	Andriy Zyevakov	3010	Prolog	2024-12-21 03:54:56

#	User	Length	Language	Date
1	Kurt Kobjald	204	Python 2	2023-08-17 03:54:42
2	Johan Lyts	767	Python 2	2022-08-19 14:24:33

#	User	Length	Language	Date
1	Benjamin Z White	108	Python 3	2023-05-30 23:17:38
2	Edvard Walde Heimdal	116	Python 3	2024-08-19 10:50:39
3	Wenhao You	125	Python 3	2023-09-22 03:52:51
4	Lee Isaac	134	Python 3	2023-05-11 16:07:57
5	Jonathan Dastrup	137	Python 3	2024-11-13 03:03:21
6	Elijah Satrom	138	Python 3	2022-10-17 18:58:08
7	Zach Tschetter	144	Python 3	2023-07-30 21:33:19
8	Aryan Swaminath	147	Python 3	2023-03-16 06:19:41
9	Rafael Kristoforus Yanto	155	Python 3	2025-02-25 18:55:26
10	Kurt Kobjald	157	Python 3	2023-08-17 04:38:49

#	User	Length	Language	Date
1	Thomas Feld	72	Ruby	2023-08-29 13:49:16

#	User	Length	Language	Date
1	Artur Khuziakhmetov	482	Rust	2025-01-26 13:28:14
2	David Rasch	568	Rust	2022-11-21 14:28:31
3	Jiaye Will Wang	885	Rust	2025-09-24 06:55:35
4	Krish Lal	1364	Rust	2025-11-15 00:16:49
5	Logan Travis	1512	Rust	2025-11-15 02:33:44
6	Daniel Anker Hermansen	26514	Rust	2023-10-10 12:31:33

Solution running time distribution