Problem A
Primary X-Subfactor Series — Problem Statistics

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Submissions	392
Accepted submissions	114
Submission ratio	29.08%
Authors	144
Full solves [?]	101
Full solve Ratio	70.14%

#	User	Runtime	Language	Date
1	Sanjiv Dinakar	0.13 s	C	2023-06-26 18:29:25
2	a_b__c	0.14 s	C	2021-02-03 07:48:37
3	Ivan Petrov	0.28 s	C	2019-09-06 10:39:30

#	User	Runtime	Language	Date
1	Tdyx	0.05 s	C#	2022-08-23 08:11:57
2	John Bagsby	0.12 s	C#	2016-10-29 21:24:23

#	User	Runtime	Language	Date
1	Wen Li Looi	0.00 s	C++	2015-09-19 19:59:23
2	Hiếu Lăng	0.00 s	C++	2015-09-19 20:09:46
3	Giuseppe Vietri	0.00 s	C++	2015-09-19 22:04:55
4	Jd Dantes	0.00 s	C++	2016-09-03 11:28:37
5	Miorel Palii	0.00 s	C++	2018-01-10 01:36:02
6	Noah Alexander Brubaker	0.00 s	C++	2020-05-26 06:16:03
7	Clarence Chew	0.00 s	C++	2020-12-14 05:12:51
8	Arnav Sastry	0.00 s	C++	2023-07-23 04:57:49
9	Lew Choon Hean	0.00 s	C++	2025-01-08 07:44:40
10	Rachel Krohn	0.01 s	C++	2015-09-19 21:12:51

#	User	Runtime	Language	Date
1	Andrew Polizzotto	0.09 s	Java	2020-10-06 21:07:55
2	Chris Wu	0.14 s	Java	2016-08-31 05:12:47
3	Hassan Almas	0.15 s	Java	2015-09-19 20:45:51
4	Benjamin Scott Pruett	0.16 s	Java	2015-09-19 21:09:39
5	Ho Lyun Jeong	0.16 s	Java	2021-11-15 02:20:18
6	Joel Viklund	0.18 s	Java	2015-10-01 17:17:24
7	Kevin Kauffman	0.18 s	Java	2022-01-04 04:19:58
8	Micah Stairs	0.20 s	Java	2015-09-19 21:11:57
9	Doug Goodman	0.20 s	Java	2020-09-13 18:11:31
10	Roger Ballard	0.21 s	Java	2015-09-19 22:49:01

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2024-07-25 13:23:26
2	J M	0.12 s	JavaScript (SpiderMonkey)	2020-07-04 13:56:41

#	User	Runtime	Language	Date
1	gulinazha	0.10 s	Python 3	2026-03-09 09:46:54
2	Chris Jones	0.11 s	Python 3	2019-07-09 08:27:31
3	Oskar Haarklou Veileborg	0.11 s	Python 3	2021-03-31 22:21:19
4	Max Rishøj Pedersen	0.13 s	Python 3	2021-12-01 22:32:09
5	Arihant Jain	0.16 s	Python 3	2021-11-15 02:07:35
6	Casper Rysgaard	0.21 s	Python 3	2023-01-22 12:29:18
7	Sonny Chan	0.27 s	Python 3	2020-06-07 00:04:24
8	Hugo Moeller Nielsen	0.29 s	Python 3	2024-04-29 17:07:09
9	Russell Zhu	0.30 s	Python 3	2023-01-28 22:24:20
10	Sam Le	0.40 s	Python 3	2023-01-31 22:19:08

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.02 s	Rust	2024-02-03 16:20:17
2	Ole Johan Walderhaug	0.36 s	Rust	2020-08-02 16:45:45

#	User	Length	Language	Date
1	a_b__c	1177	C	2021-02-03 07:48:37
2	Ivan Petrov	2043	C	2019-09-06 10:39:30
3	Sanjiv Dinakar	9626	C	2023-06-26 18:29:25

#	User	Length	Language	Date
1	John Bagsby	2759	C#	2016-10-29 21:24:23
2	Tdyx	3852	C#	2022-08-23 08:11:57

#	User	Length	Language	Date
1	Elias Lolck	866	C++	2023-11-29 22:40:05
2	Daniel Chang	1086	C++	2022-01-25 04:10:19
3	Joakim Blikstad	1164	C++	2020-12-29 18:51:49
4	Nikolas Anderson	1169	C++	2015-09-25 03:38:31
5	Matteo Zappia	1193	C++	2021-11-22 23:51:03
6	Trần Cảnh Nam	1210	C++	2024-10-04 08:02:08
7	Kelly Milla	1266	C++	2015-09-19 20:51:09
8	Wen Li Looi	1273	C++	2015-09-19 19:59:23
9	Teikn Smith	1286	C++	2023-03-03 00:06:40
10	Caeden Whitaker	1312	C++	2021-03-05 00:23:40

#	User	Length	Language	Date
1	Kevin Kauffman	1613	Java	2022-01-04 04:19:58
2	Andrew Polizzotto	1688	Java	2020-10-06 21:07:55
3	Josenildo Silva	1818	Java	2017-07-12 01:25:38
4	David Griffin	2228	Java	2015-09-22 19:15:49
5	Yonghe Zhao	2549	Java	2019-09-21 20:48:23
6	Hassan Almas	3012	Java	2015-09-20 16:30:58
7	Nick Wu	3193	Java	2015-10-13 23:23:42
8	Benjamin Scott Pruett	3242	Java	2015-09-19 21:09:39
9	Doug Goodman	3623	Java	2020-09-13 18:11:31
10	Micah Stairs	3749	Java	2015-09-19 21:11:57

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1671	JavaScript (SpiderMonkey)	2024-07-25 13:23:26
2	J M	3137	JavaScript (SpiderMonkey)	2020-07-04 13:56:41

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	695	Python 3	2021-03-31 22:21:19
2	Russell Zhu	777	Python 3	2023-01-28 22:24:20
3	Quark Wei	871	Python 3	2017-09-30 22:34:56
4	Casper Rysgaard	1013	Python 3	2023-01-22 12:29:18
5	Hidden user	1070	Python 3	2024-06-05 22:17:16
6	Sonny Chan	1089	Python 3	2020-06-07 00:04:24
7	Chris Jones	1128	Python 3	2019-07-09 08:27:31
8	Max Rishøj Pedersen	1179	Python 3	2021-12-02 15:35:59
9	Ahmed Siadomar	1281	Python 3	2023-06-03 03:04:34
10	Nicholas Russell Saerang	1368	Python 3	2023-07-12 12:43:02

#	User	Length	Language	Date
1	Ole Johan Walderhaug	4941	Rust	2020-08-02 16:45:45
2	Daniel Anker Hermansen	27985	Rust	2024-02-03 16:20:17

Solution running time distribution