Problem A
Factovisors — Problem Statistics

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Submissions	8975
Accepted submissions	1515
Submission ratio	16.88%
Authors	1340
Full solves [?]	926
Full solve Ratio	69.10%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-16 16:53:03

#	User	Runtime	Language	Date
1	Linus Eklund	0.00 s	C	2015-12-04 02:39:06
2	Henrik Lindström	0.00 s	C	2019-05-01 22:08:49
3	Patrick Losique	0.00 s	C	2019-09-18 04:20:54
4	Isaac Pashenkov	0.00 s	C	2020-09-01 12:23:29
5	TheACEofTrump	0.00 s	C	2022-11-15 11:30:10
6	Mirel Cosulschi	0.00 s	C	2025-03-29 17:02:57
7	Marcus Larsson	0.01 s	C	2013-04-24 21:12:45
8	Ayoub Chegraoui	0.01 s	C	2018-03-10 20:17:52
9	Arseniy Kouzmenkov	0.01 s	C	2020-03-27 23:48:56
10	pengin	0.01 s	C	2021-10-05 12:55:59

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-06-11 23:27:27
2	Thang Le Huu	0.02 s	C#	2021-05-03 02:40:37
3	Aman Choudhary	0.05 s	C#	2025-04-30 22:16:25

#	User	Runtime	Language	Date
1	Vilhelm Melkstam	0.02 s	Go	2022-04-18 18:35:37

#	User	Runtime	Language	Date
1	Juan Miguel Vilar	0.00 s	Haskell	2025-07-29 12:10:10
2	Brent Yorgey	0.01 s	Haskell	2019-02-26 04:19:11
3	Hidden user	0.01 s	Haskell	2023-01-06 16:16:13
4	TJ Takei	0.01 s	Haskell	2025-03-16 07:36:59
5	Ghaith Abou Dan	0.02 s	Haskell	2021-02-21 18:33:18
6	Hidden user	0.02 s	Haskell	2022-02-08 02:07:22
7	Udo Stenzel	0.08 s	Haskell	2023-04-16 16:46:25

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Java	2007-11-16 21:15:35
2	Alexandre Loiko	0.06 s	Java	2013-04-19 07:53:26
3	Martin Berntsson	0.06 s	Java	2013-04-23 19:29:48
4	Kai Widell Niigata	0.06 s	Java	2014-04-11 16:44:30
5	Jonas Haglund	0.06 s	Java	2014-04-20 14:46:46
6	Daniel Hollsten	0.06 s	Java	2014-11-25 19:13:06
7	Ludvig Jansson	0.06 s	Java	2015-11-21 21:23:48
8	Daniel Millevik	0.06 s	Java	2015-11-26 23:25:09
9	Liam Keliher	0.06 s	Java	2016-05-06 05:57:12
10	Finn Lidbetter	0.06 s	Java	2016-05-31 17:12:11

#	User	Runtime	Language	Date
1	Roman Yasinovskyy	0.44 s	JavaScript (Node.js)	2021-08-06 21:03:58

#	User	Runtime	Language	Date
1	Max Wang	0.04 s	JavaScript (SpiderMonkey)	2017-03-28 11:42:58
2	Christian Pilegaard Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-03-17 14:21:07

#	User	Runtime	Language	Date
1	Hidden user	0.47 s	Julia	2025-09-04 20:00:11
2	Timothy Gaede	0.65 s	Julia	2024-07-09 17:28:28
3	Hidden user	0.99 s	Julia	2024-01-06 13:42:21

#	User	Runtime	Language	Date
1	Phường Lên	0.25 s	Kotlin	2020-04-26 08:26:00
2	Adam Koprowski	0.26 s	Kotlin	2021-05-07 12:12:14
3	Ali M. Nekoh	0.26 s	Kotlin	2025-05-21 20:36:46
4	Adam Rankin	0.27 s	Kotlin	2023-10-13 17:51:36
5	Min-Zheng Shieh	0.37 s	Kotlin	2021-03-24 13:37:52

#	User	Runtime	Language	Date
1	asfaf dfs	0.03 s	Python 2	2016-05-12 12:28:19
2	Benny Feng	0.03 s	Python 2	2016-05-12 12:30:37
3	Patrik Odqvist	0.03 s	Python 2	2016-05-21 08:50:17
4	Sigurd Kittilsen	0.03 s	Python 2	2016-09-02 15:35:13
5	Øyvind Haarberg	0.03 s	Python 2	2017-05-05 22:48:45
6	Robin Sandström	0.03 s	Python 2	2017-05-16 21:49:21
7	Hermon Mulat	0.03 s	Python 2	2018-09-02 01:03:56
8	Andreas Serra	0.04 s	Python 2	2013-05-03 23:22:26
9	Zak Peters	0.04 s	Python 2	2017-02-18 06:49:01
10	Ethan Arnold	0.04 s	Python 2	2017-08-26 04:12:00

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2018-04-25 21:03:12
2	Jeremy Tuloup	0.03 s	Python 3	2015-08-12 14:43:05
3	Isaac Lee	0.03 s	Python 3	2016-05-31 01:46:22
4	Christian Lindeström	0.04 s	Python 3	2016-08-18 21:05:25
5	Fred Bloggs	0.04 s	Python 3	2019-03-16 17:56:30
6	Nam Nguyen Vu	0.04 s	Python 3	2025-01-31 23:38:45
7	Aron Cullberg	0.04 s	Python 3	2025-02-27 12:57:18
8	Canfyn Marie	0.04 s	Python 3	2025-03-15 12:19:55
9	Karl Sorsell	0.04 s	Python 3	2025-03-30 13:07:51
10	Gabby Kooima	0.04 s	Python 3	2025-04-17 18:57:08

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Ruby	2019-05-29 18:24:12

#	User	Runtime	Language	Date
1	Christofer Nolander	0.00 s	Rust	2019-10-19 20:31:42
2	Hidden user	0.00 s	Rust	2020-03-16 02:08:58
3	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2021-06-14 21:45:51
4	Artur Khuziakhmetov	0.00 s	Rust	2023-08-17 16:54:31
5	Vincent Lagerros	0.00 s	Rust	2024-05-16 22:29:55
6	Alexander Berntsson	0.00 s	Rust	2025-04-19 23:37:10
7	HuaiYuan Jing	0.00 s	Rust	2025-10-22 00:43:06
8	Eskil Queseth	0.01 s	Rust	2020-09-06 14:12:55
9	Ole Johan Walderhaug	0.01 s	Rust	2020-12-17 00:19:44
10	Mckinley Xie	0.01 s	Rust	2025-04-29 23:48:13

#	User	Length	Language	Date
1	Chenzhang Hu	1600	Bash	2024-04-16 16:53:03

#	User	Length	Language	Date
1	pengin	736	C	2021-10-05 12:55:59
2	Patrick Losique	796	C	2019-09-18 04:20:54
3	Marcus Larsson	849	C	2013-04-24 21:12:45
4	Caeden Whitaker	856	C	2021-12-23 23:25:48
5	Mirel Cosulschi	877	C	2025-03-29 17:02:57
6	Ayoub Chegraoui	1015	C	2018-03-10 20:17:52
7	TheACEofTrump	1233	C	2022-11-15 11:28:20
8	Dan Kral	1235	C	2014-11-29 20:43:24
9	Henrik Lindström	1372	C	2019-05-01 22:08:49
10	Isaac Pashenkov	1473	C	2020-09-01 12:23:29

#	User	Length	Language	Date
1	Thang Le Huu	1576	C#	2021-05-03 02:42:40
2	Aman Choudhary	1793	C#	2025-04-30 22:16:25
3	Simon Ståhlberg	7549	C#	2014-06-11 23:28:18

#	User	Length	Language	Date
1	Josenildo Silva	460	C++	2017-04-10 04:48:40
2	Mathias Gernez	500	C++	2023-08-28 23:24:25
3	Jackson Abascal	521	C++	2017-10-04 18:05:31
4	Mugeon Kim	536	C++	2024-07-31 02:50:59
5	Gözde Yasar	561	C++	2018-04-18 14:23:26
6	Yeung Man Tsung	567	C++	2022-12-05 19:00:52
7	Jonathan Grimes	579	C++	2018-04-29 06:19:59
8	Kiên Nguyễn Tiến Trung	580	C++	2017-03-16 10:09:35
9	Kawther Ahmed Abed	584	C++	2018-04-25 14:30:19
10	Ismael Al-Shawi	585	C++	2018-04-17 18:28:58

#	User	Length	Language	Date
1	Vilhelm Melkstam	1833	Go	2022-04-18 18:35:37

#	User	Length	Language	Date
1	Hidden user	952	Haskell	2023-01-06 16:16:13
2	Hidden user	1064	Haskell	2022-02-08 02:07:22
3	Ghaith Abou Dan	1676	Haskell	2021-02-21 18:33:18
4	Udo Stenzel	1792	Haskell	2023-04-16 16:46:25
5	TJ Takei	1933	Haskell	2025-03-16 07:36:59
6	Brent Yorgey	1963	Haskell	2019-02-26 04:19:11
7	Juan Miguel Vilar	3210	Haskell	2025-07-29 12:10:10

#	User	Length	Language	Date
1	Kang Purichaya Lee	898	Java	2017-05-01 18:24:00
2	Marcin Stelmaszyk	899	Java	2018-04-26 19:33:11
3	Michael Liu	937	Java	2018-05-18 00:09:06
4	Tianyu Liu	937	Java	2018-05-24 18:09:55
5	Patryk Salwa	953	Java	2018-04-26 11:41:27
6	Frederik Wörmann	967	Java	2018-05-02 20:53:54
7	Hidden user	1018	Java	2017-10-12 21:55:59
8	Tuệ Lâm	1021	Java	2023-11-06 23:03:59
9	Mosgun Mahdere	1029	Java	2020-02-02 22:26:46
10	Phu Nguyen Phuoc Thien	1057	Java	2023-11-06 23:04:32

#	User	Length	Language	Date
1	Roman Yasinovskyy	1607	JavaScript (Node.js)	2021-08-06 21:03:58

#	User	Length	Language	Date
1	Max Wang	1625	JavaScript (SpiderMonkey)	2017-03-28 11:42:58
2	Christian Pilegaard Cederquist	2779	JavaScript (SpiderMonkey)	2023-03-17 14:21:07

#	User	Length	Language	Date
1	Hidden user	294	Julia	2025-09-04 20:32:50
2	Timothy Gaede	2278	Julia	2024-07-09 17:28:28
3	Hidden user	3260	Julia	2024-01-06 13:42:21

#	User	Length	Language	Date
1	Min-Zheng Shieh	1513	Kotlin	2021-03-24 13:37:52
2	Ali M. Nekoh	1535	Kotlin	2025-05-21 20:36:46
3	Phường Lên	1537	Kotlin	2020-04-26 08:26:00
4	Adam Rankin	2598	Kotlin	2023-10-13 17:51:36
5	Adam Koprowski	5561	Kotlin	2021-05-07 12:12:14

#	User	Length	Language	Date
1	Thomas Feld	574	Python 2	2020-08-18 10:06:14
2	Johan Lyts	694	Python 2	2021-01-06 14:33:04
3	Hidden user	721	Python 2	2018-09-30 11:40:08
4	Maj Stenmark	721	Python 2	2018-09-30 15:41:52
5	Lars Åström	749	Python 2	2019-06-23 23:26:21
6	Ethan Arnold	779	Python 2	2017-08-26 04:12:00
7	Zak Peters	871	Python 2	2017-02-18 06:49:01
8	Jordan James	907	Python 2	2018-04-28 18:06:34
9	Jordan James	973	Python 2	2018-04-27 23:53:59
10	asfaf dfs	979	Python 2	2016-05-12 12:28:19

#	User	Length	Language	Date
1	Michael Goldwasser	291	Python 3	2024-11-01 07:53:07
2	Benjamin Z White	294	Python 3	2023-06-01 23:49:58
3	Jorge EstradaMartinez	336	Python 3	2025-04-24 03:29:51
4	Nguyên Khôi Đỗ	441	Python 3	2025-05-31 15:38:58
5	Fredrik Niemelä	483	Python 3	2025-05-29 02:46:52
6	Naganithin Manne	536	Python 3	2019-09-11 20:34:48
7	Zhang Ivan	536	Python 3	2022-02-28 21:04:48
8	Lim Hong Hui Eugene	591	Python 3	2020-11-10 08:52:58
9	Lego Haryanto	610	Python 3	2024-10-29 23:06:41
10	Caleb Dastrup	629	Python 3	2024-10-04 21:45:08

#	User	Length	Language	Date
1	Hidden user	412	Ruby	2019-05-29 18:24:12

#	User	Length	Language	Date
1	Eskil Queseth	1124	Rust	2020-09-06 14:12:55
2	HuaiYuan Jing	1254	Rust	2025-10-22 00:43:06
3	Hidden user	1331	Rust	2020-03-16 02:08:58
4	Artur Khuziakhmetov	1427	Rust	2023-08-17 16:54:31
5	Mckinley Xie	2793	Rust	2025-04-29 23:48:13
6	Ole Johan Walderhaug	2994	Rust	2020-12-17 00:19:44
7	Christofer Nolander	5347	Rust	2019-10-19 20:31:42
8	Alexander Berntsson	5481	Rust	2025-04-19 23:37:10
9	Vincent Lagerros	6119	Rust	2024-05-16 22:29:55
10	Muhammad Rais Fathin Mudzakir	8030	Rust	2021-06-14 21:45:51

Solution running time distribution