Problem I
Semi-prime H-numbers — Problem Statistics

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Submissions	1448
Accepted submissions	504
Submission ratio	34.81%
Authors	438
Full solves [?]	359
Full solve Ratio	81.96%

#	User	Runtime	Language	Date
1	Henrik Sandström	0.00 s	C	2009-11-14 15:57:39
2	Johannes Svensson	0.00 s	C	2009-11-15 01:50:37
3	Per Almquist	0.00 s	C	2009-11-15 22:41:59
4	David Björklund	0.01 s	C	2009-11-13 21:54:03
5	Thomas Mailund	0.01 s	C	2020-11-17 06:40:46
6	Oscar Cusin	0.01 s	C	2024-04-11 14:56:59
7	Hidden user	0.06 s	C	2018-03-24 08:26:58
8	Ivan Petrov	0.06 s	C	2020-01-14 09:25:51
9	Bergur Snorrason	0.07 s	C	2018-12-25 04:07:34

#	User	Runtime	Language	Date
1	Edvin Mako	0.07 s	C#	2020-05-23 15:14:40

#	User	Runtime	Language	Date
1	Johannes Svensson	0.00 s	C++	2009-11-15 01:47:21
2	Per Almquist	0.00 s	C++	2009-11-15 22:19:58
3	Alexander Kravberg	0.00 s	C++	2023-03-01 01:04:27
4	Håkan Terelius	0.01 s	C++	2006-11-17 10:24:58
5	Henrik Ygge	0.01 s	C++	2006-11-17 11:24:44
6	Hidden user	0.01 s	C++	2007-11-15 21:58:14
7	Ludvig Strigeus	0.01 s	C++	2007-11-18 23:56:39
8	Hidden user	0.01 s	C++	2007-11-20 01:08:42
9	Mark Bartish	0.01 s	C++	2008-11-15 01:34:47
10	Jonas Moberg	0.01 s	C++	2008-11-15 16:47:11

#	User	Runtime	Language	Date
1	Nathan Lee	0.06 s	Go	2025-11-20 16:22:27

#	User	Runtime	Language	Date
1	Stian	0.11 s	Haskell	2020-04-29 19:39:17
2	Juan Miguel Vilar	0.20 s	Haskell	2020-08-31 10:55:00
3	Albert Lai	0.29 s	Haskell	2021-09-17 03:09:25

#	User	Runtime	Language	Date
1	Simon Klein	0.09 s	Java	2011-11-17 16:30:52
2	Staffan Rydström	0.11 s	Java	2011-11-24 07:39:04
3	Bjørn Dons	0.11 s	Java	2023-01-20 21:22:52
4	Hanif Farahmand Mokarremi	0.12 s	Java	2011-11-19 22:00:08
5	Crystal Sharpe	0.13 s	Java	2021-04-18 22:07:45
6	Ashkan Jahanbakhsh	0.14 s	Java	2011-11-20 18:50:30
7	Liam Keliher	0.14 s	Java	2017-12-03 11:41:39
8	Hidden user	0.15 s	Java	2007-11-18 16:24:10
9	Samuel Klingström	0.15 s	Java	2020-09-05 00:10:39
10	Marcus Öman	0.17 s	Java	2009-11-14 15:56:17

#	User	Runtime	Language	Date
1	Jacob Huebner	0.27 s	Kotlin	2023-02-01 00:17:23
2	Sam Keyser	0.44 s	Kotlin	2022-07-01 18:59:29

#	User	Runtime	Language	Date
1	Hermon Mulat	0.06 s	Python 2	2018-01-05 00:46:42
2	Josenildo Silva	0.08 s	Python 2	2018-07-21 04:38:28
3	Johan Lyts	0.08 s	Python 2	2020-09-19 14:01:49
4	Andreas Björklund	0.09 s	Python 2	2021-11-19 07:21:04
5	Lars Åström	0.23 s	Python 2	2018-10-09 14:29:18
6	Agis Daniels	0.38 s	Python 2	2020-06-07 19:15:58

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Python 3	2025-04-27 06:59:58
2	Ocram Esah	0.09 s	Python 3	2022-02-26 22:01:40
3	Ram Basnet	0.09 s	Python 3	2023-03-25 03:55:20
4	Hidden user	0.09 s	Python 3	2025-05-02 22:36:30
5	Oskar Haarklou Veileborg	0.10 s	Python 3	2021-01-29 09:52:31
6	Hidden user	0.10 s	Python 3	2025-04-27 05:42:29
7	Hidden user	0.10 s	Python 3	2026-02-14 13:29:50
8	Tellev Sundt	0.11 s	Python 3	2020-05-10 23:37:11
9	Benjamin Z White	0.11 s	Python 3	2023-08-02 21:55:25
10	Hidden user	0.11 s	Python 3	2025-04-22 23:06:33

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.01 s	Rust	2021-04-01 22:09:46
2	Isak Jägberg	0.02 s	Rust	2022-01-08 18:52:15
3	Yoeri Otten	0.02 s	Rust	2022-05-08 03:55:28
4	Daniel Anker Hermansen	0.02 s	Rust	2024-08-06 11:24:45
5	Reent Schlegel	0.03 s	Rust	2021-10-12 10:16:32
6	Vincent Lagerros	0.22 s	Rust	2024-04-11 18:23:17

#	User	Length	Language	Date
1	Ivan Petrov	758	C	2020-01-14 09:25:51
2	David Björklund	826	C	2009-11-13 21:54:03
3	Hidden user	1706	C	2018-03-24 08:26:58
4	Thomas Mailund	1823	C	2020-11-17 06:40:46
5	Bergur Snorrason	5292	C	2018-12-25 04:07:34
6	Oscar Cusin	13787	C	2024-04-11 14:56:59
7	Henrik Sandström	1486821	C	2009-11-14 15:57:39
8	Johannes Svensson	5948647	C	2009-11-15 01:50:37
9	Per Almquist	6046822	C	2009-11-15 22:41:59

#	User	Length	Language	Date
1	Edvin Mako	2357	C#	2020-05-23 15:24:15

#	User	Length	Language	Date
1	Montgomery Bohde	369	C++	2024-04-23 20:34:10
2	Alexander Skidanov	416	C++	2024-11-21 21:19:38
3	Ivan	430	C++	2024-11-21 21:18:14
4	Andreas Grigorjew	519	C++	2018-12-20 15:27:16
5	Leonardo Gagliardoni	542	C++	2021-10-10 23:37:18
6	Hang Damthu	556	C++	2021-10-01 19:42:35
7	Tuukka Korhonen	568	C++	2022-05-08 11:13:48
8	Anshil Gandhi	585	C++	2019-10-22 08:47:00
9	Jimmy Dinh	600	C++	2026-02-03 23:51:04
10	Zac Friggstad	611	C++	2018-09-26 19:16:27

#	User	Length	Language	Date
1	Nathan Lee	1532	Go	2025-11-20 16:22:27

#	User	Length	Language	Date
1	Juan Miguel Vilar	684	Haskell	2020-08-31 10:55:00
2	Stian	1285	Haskell	2020-04-29 19:39:17
3	Albert Lai	3055	Haskell	2021-09-17 03:09:25

#	User	Length	Language	Date
1	Aurko Routh	871	Java	2024-04-28 22:28:27
2	Staffan Rydström	948	Java	2011-11-24 07:39:04
3	Nick Wu	1102	Java	2022-03-15 02:28:35
4	Doug Goodman	1151	Java	2018-04-28 18:01:32
5	Crystal Sharpe	1154	Java	2021-04-18 22:07:45
6	Abdelrahman Mokbel	1154	Java	2022-09-17 00:59:07
7	Hanif Farahmand Mokarremi	1191	Java	2011-11-19 22:00:08
8	Tal Belkind	1334	Java	2025-03-18 22:01:40
9	Collin Jakubik	1360	Java	2022-09-17 23:14:21
10	Andrew Polizzotto	1363	Java	2020-10-01 23:00:32

#	User	Length	Language	Date
1	Jacob Huebner	842	Kotlin	2023-02-01 00:17:23
2	Sam Keyser	2865	Kotlin	2022-07-01 18:59:29

#	User	Length	Language	Date
1	Andreas Björklund	358	Python 2	2021-11-19 07:21:04
2	Johan Lyts	570	Python 2	2020-09-19 13:57:56
3	Josenildo Silva	574	Python 2	2018-07-21 04:38:28
4	Lars Åström	719	Python 2	2018-10-09 14:29:18
5	Agis Daniels	736	Python 2	2020-06-07 19:15:58
6	Hermon Mulat	1435	Python 2	2018-01-05 00:48:10

#	User	Length	Language	Date
1	Benjamin Z White	213	Python 3	2023-08-02 22:07:11
2	Rachel Krohn	290	Python 3	2025-03-16 21:34:24
3	Hrant Hovhannisyan	406	Python 3	2026-01-21 06:26:21
4	Thomas Bolf	464	Python 3	2025-04-26 23:15:10
5	Jayden Pahukula	474	Python 3	2023-06-12 22:15:23
6	Oskar Haarklou Veileborg	491	Python 3	2021-01-28 22:02:21
7	Nicholas Russell Saerang	496	Python 3	2023-08-05 12:14:35
8	Iman Khodadi	501	Python 3	2024-02-14 14:25:48
9	Tony Martin	578	Python 3	2025-03-23 04:03:04
10	Hidden user	618	Python 3	2024-04-29 05:28:08

#	User	Length	Language	Date
1	Vincent Lagerros	1569	Rust	2024-04-11 18:23:17
2	Reent Schlegel	1682	Rust	2021-10-11 18:25:43
3	Yoeri Otten	2975	Rust	2022-05-09 02:05:11
4	Isak Jägberg	3421	Rust	2022-01-08 18:52:15
5	Muhammad Rais Fathin Mudzakir	6710	Rust	2021-04-01 22:09:46
6	Daniel Anker Hermansen	27604	Rust	2024-08-06 11:24:45

Solution running time distribution