Problem A
Positive Divisors — Problem Statistics

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Submissions	2400
Accepted submissions	605
Submission ratio	25.21%
Authors	503
Full solves [?]	422
Full solve Ratio	83.90%

#	User	Runtime	Language	Date
1	Vraj Patel	0.25 s	C	2026-01-22 02:36:32
2	Dilan Hamid	0.27 s	C	2026-01-20 23:21:19
3	Matthew Hartono	0.28 s	C	2022-10-26 18:40:43
4	Eyleifur Bjarkason	0.29 s	C	2023-07-17 16:40:27
5	Mirel Cosulschi	0.29 s	C	2025-03-23 17:15:03
6	Matthew Lewis	0.32 s	C	2026-01-16 17:29:15
7	Jason Yap	0.35 s	C	2026-01-21 21:56:42
8	Bergur Snorrason	0.57 s	C	2022-08-16 19:23:05
9	linda zakhama	0.58 s	C	2023-04-20 01:35:17

#	User	Runtime	Language	Date
1	Benny Antonsson	0.35 s	C#	2022-08-03 11:22:42
2	Michael Damsgaard	0.52 s	C#	2025-01-02 12:53:42

#	User	Runtime	Language	Date
1	Joshua Andersson	0.00 s	C++	2022-09-25 04:03:39
2	Christian Mattsson	0.00 s	C++	2022-09-25 04:05:31
3	Max Nilsson	0.00 s	C++	2023-08-25 22:42:46
4	C3Speedrun2024	0.00 s	C++	2024-12-10 10:46:16
5	C3Speedrun2025	0.00 s	C++	2025-06-07 19:10:13
6	Alexander Kravberg	0.00 s	C++	2025-09-26 21:22:10
7	Bryan Juniano	0.04 s	C++	2025-05-04 17:22:11
8	Mikael K Eriksson	0.13 s	C++	2022-11-02 07:09:36
9	Arnar Bjarni Arnarson	0.21 s	C++	2023-04-05 19:11:00
10	Nihal Zuhayar Parash Miaji	0.23 s	C++	2023-03-05 07:26:48

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.37 s	F#	2023-03-18 13:56:14

#	User	Runtime	Language	Date
1	Ronas Jacob Coban Olsen	0.36 s	Go	2025-04-17 16:45:19
2	Norbert Voelker	1.47 s	Go	2022-10-09 01:02:55

#	User	Runtime	Language	Date
1	Brent Yorgey	0.05 s	Haskell	2023-08-21 20:52:13

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.19 s	Java	2024-12-15 12:33:08
2	Sven Rönnbäck	0.39 s	Java	2023-08-20 14:47:33
3	Joshua Chin	0.41 s	Java	2025-06-09 11:45:54
4	Issa Issack	0.49 s	Java	2023-08-27 01:18:09
5	Doug Goodman	0.52 s	Java	2022-08-04 22:46:31
6	Mack Wong Yoong Yee	0.56 s	Java	2024-04-21 13:24:27
7	Stela Palii	0.56 s	Java	2024-12-10 03:33:36
8	Heidreb Tahamid	0.60 s	Java	2026-01-16 17:17:11
9	Tyler Wheelhouse	0.61 s	Java	2026-01-21 15:51:56
10	Christopher Udeh	0.63 s	Java	2022-09-23 00:52:45

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.16 s	JavaScript (Node.js)	2022-09-06 17:34:35
2	Hidden user	0.51 s	JavaScript (Node.js)	2023-03-18 01:48:28

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.77 s	JavaScript (SpiderMonkey)	2022-09-06 20:12:29

#	User	Runtime	Language	Date
1	Timothy Gaede	0.99 s	Julia	2024-06-13 04:39:40

#	User	Runtime	Language	Date
1	Adam Rankin	0.67 s	Kotlin	2023-05-10 20:44:19

#	User	Runtime	Language	Date
1	Isaac Lee	0.07 s	Python 3	2022-11-07 03:55:48
2	Yong Mao	0.07 s	Python 3	2023-01-24 14:51:59
3	Kattis Speedrun2026	0.09 s	Python 3	2026-01-03 18:09:00
4	Rasmus Hulthe	0.09 s	Python 3	2026-01-04 14:12:11
5	Angel Lara Saenz	0.28 s	Python 3	2025-07-28 01:48:36
6	Jake Paul	0.28 s	Python 3	2026-01-16 17:25:31
7	Thomas Feld	0.31 s	Python 3	2023-07-31 10:45:27
8	Nick Cunard	0.38 s	Python 3	2025-09-23 00:57:00
9	Zach Tschetter	0.39 s	Python 3	2022-09-18 19:30:04
10	Abel Zeleke	0.40 s	Python 3	2022-09-07 15:45:03

#	User	Runtime	Language	Date
1	Thomas Feld	0.89 s	Ruby	2023-07-31 11:03:29

#	User	Runtime	Language	Date
1	Ng Tek In	0.27 s	Rust	2022-10-08 19:02:14
2	Erik Magnusson	0.28 s	Rust	2024-02-04 09:09:15
3	Artur Khuziakhmetov	0.28 s	Rust	2025-01-26 12:45:04
4	Isak Jägberg	0.28 s	Rust	2025-12-29 22:34:08
5	Bas Dirks	0.29 s	Rust	2024-01-11 21:48:16
6	David Rasch	0.42 s	Rust	2022-09-24 10:52:39

#	User	Runtime	Language	Date
1	David Kozel	0.48 s	TypeScript	2026-01-17 03:23:53

#	User	Length	Language	Date
1	Eyleifur Bjarkason	460	C	2023-07-17 16:40:27
2	linda zakhama	499	C	2023-04-20 01:35:17
3	Mirel Cosulschi	709	C	2025-03-23 17:15:03
4	Jason Yap	726	C	2026-01-21 21:56:42
5	Matthew Lewis	780	C	2026-01-16 17:29:15
6	Vraj Patel	852	C	2026-01-22 02:36:32
7	Dilan Hamid	853	C	2026-01-20 23:21:19
8	Matthew Hartono	1323	C	2022-10-26 18:40:43
9	Bergur Snorrason	1536	C	2022-08-16 19:23:05

#	User	Length	Language	Date
1	Michael Damsgaard	604	C#	2025-01-02 12:53:42
2	Benny Antonsson	2781	C#	2022-08-03 11:22:42

#	User	Length	Language	Date
1	Ernest Ng Zi Xuan	258	C++	2026-03-18 08:42:35
2	Turcu Andrei	267	C++	2023-11-17 13:49:37
3	masum ahmed	278	C++	2023-03-18 05:27:55
4	Giovanni Gaio	289	C++	2023-08-20 17:45:26
5	Christian Yongwhan Lim	295	C++	2023-06-06 01:02:20
6	053 thousand	296	C++	2024-12-11 08:25:04
7	Hidden user	297	C++	2024-12-11 08:20:14
8	Gaelan McMillan	302	C++	2022-11-05 16:31:01
9	Nicholas Foo Chuan Le	306	C++	2022-10-03 08:05:42
10	Ц. Батхуяг	311	C++	2024-12-11 08:25:39

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1204	F#	2023-03-18 13:56:14

#	User	Length	Language	Date
1	Ronas Jacob Coban Olsen	815	Go	2025-04-17 16:45:19
2	Norbert Voelker	1832	Go	2022-10-09 01:02:55

#	User	Length	Language	Date
1	Brent Yorgey	5604	Haskell	2023-08-21 20:52:13

#	User	Length	Language	Date
1	Drew Munter	399	Java	2022-09-19 19:31:20
2	Dakota South	461	Java	2022-09-19 18:47:15
3	Isaac Lai Yin Chung	496	Java	2023-09-24 11:08:33
4	Aditya Bhagavatula	506	Java	2022-09-09 20:35:06
5	BHARATHI S	526	Java	2025-03-31 06:31:32
6	Samantha Quan	545	Java	2026-01-17 17:53:33
7	Alan Pons	557	Java	2026-01-16 17:40:51
8	Adam Fu	567	Java	2024-10-08 20:31:50
9	Arunav Perumandla	578	Java	2025-09-23 00:22:47
10	Christopher Udeh	579	Java	2022-09-15 04:40:37

#	User	Length	Language	Date
1	Hidden user	649	JavaScript (Node.js)	2023-03-18 02:06:59
2	Bjørn Chr. Soltvedt	22811	JavaScript (Node.js)	2022-09-06 17:34:35

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	22693	JavaScript (SpiderMonkey)	2022-09-06 20:12:29

#	User	Length	Language	Date
1	Timothy Gaede	2253	Julia	2024-06-13 04:39:40

#	User	Length	Language	Date
1	Adam Rankin	754	Kotlin	2023-05-10 20:44:19

#	User	Length	Language	Date
1	Benjamin Z White	98	Python 3	2023-07-23 02:04:59
2	Lee Isaac	111	Python 3	2023-05-11 16:14:51
3	David Aldenbro	114	Python 3	2025-10-20 09:25:26
4	Zac Friggstad	145	Python 3	2022-10-30 17:18:41
5	Peter Stauder	158	Python 3	2022-10-28 21:14:00
6	Hidden user	161	Python 3	2022-09-13 23:30:50
7	ali fallahpour	166	Python 3	2023-02-28 09:48:36
8	Rafael Kristoforus Yanto	166	Python 3	2025-05-09 16:01:48
9	Vincent Tandya	167	Python 3	2023-03-17 20:58:14
10	Zach Tschetter	168	Python 3	2022-09-18 19:33:06

#	User	Length	Language	Date
1	Thomas Feld	95	Ruby	2023-07-31 11:08:34

#	User	Length	Language	Date
1	David Rasch	474	Rust	2022-09-24 10:52:39
2	Artur Khuziakhmetov	493	Rust	2025-01-26 12:15:25
3	Isak Jägberg	505	Rust	2025-12-29 22:34:08
4	Ng Tek In	631	Rust	2022-10-08 19:02:14
5	Bas Dirks	825	Rust	2024-01-11 21:48:16
6	Erik Magnusson	3673	Rust	2024-02-04 09:09:15

#	User	Length	Language	Date
1	David Kozel	609	TypeScript	2026-01-17 03:23:53

Solution running time distribution