Problem D
Erdős Numbers — Problem Statistics

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Submissions	1605
Accepted submissions	473
Submission ratio	29.47%
Authors	406
Full solves [?]	319
Full solve Ratio	78.57%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C	2016-06-26 08:17:10
2	Alexander Bilde Pedersen	0.08 s	C	2025-03-13 21:53:54

#	User	Runtime	Language	Date
1	Emil Lenngren	0.03 s	C#	2016-03-30 17:33:00
2	Tommaso Bianchi	0.08 s	C#	2017-08-31 18:27:11

#	User	Runtime	Language	Date
1	Ludo Pulles	0.01 s	C++	2016-03-22 03:35:13
2	Tomas Lagland	0.01 s	C++	2016-03-22 23:01:02
3	Muhammad Irham Rasyidi	0.01 s	C++	2017-12-09 07:03:33
4	Qing Hao Chu	0.01 s	C++	2018-03-09 17:09:32
5	Herman Karlsson	0.01 s	C++	2018-05-29 23:35:03
6	Ragur Krishnan	0.01 s	C++	2018-07-05 18:26:16
7	Michael Zündorf	0.01 s	C++	2019-01-07 01:51:21
8	Matteo Destro	0.01 s	C++	2019-03-22 21:30:16
9	Herman Appelgren	0.01 s	C++	2019-04-23 23:04:13
10	Carlos Ngo	0.01 s	C++	2019-12-22 09:57:27

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.14 s	Java	2024-01-05 19:56:11
2	Danniel Alcantara	0.15 s	Java	2024-07-22 00:35:01
3	Martijn Muijsers	0.16 s	Java	2017-05-15 04:11:57
4	Bjørn Dons	0.16 s	Java	2018-12-09 18:25:59
5	Bryan Jin	0.18 s	Java	2018-08-14 23:23:03
6	Nick Wu	0.19 s	Java	2016-07-10 06:55:19
7	Micah Stairs	0.20 s	Java	2016-04-09 17:40:57
8	Micah Stairs	0.20 s	Java	2016-04-09 18:04:56
9	Liam Keliher	0.20 s	Java	2016-06-23 15:26:24
10	William Fiset	0.22 s	Java	2016-03-31 14:07:52

#	User	Runtime	Language	Date
1	Simon Hallefält	0.11 s	JavaScript (Node.js)	2025-03-28 23:25:36

#	User	Runtime	Language	Date
1	Michael Laszlo	0.06 s	JavaScript (SpiderMonkey)	2016-11-04 23:43:33
2	Christian Cederquist	0.07 s	JavaScript (SpiderMonkey)	2025-06-06 13:47:47

#	User	Runtime	Language	Date
1	Witte, Chet	0.23 s	Kotlin	2022-04-13 19:34:04
2	Jacob Huebner	0.23 s	Kotlin	2022-04-19 00:06:37
3	Sam Keyser	0.28 s	Kotlin	2022-10-16 07:21:26
4	Philip Lewander	0.43 s	Kotlin	2024-03-07 06:42:56
5	Adam Rankin	0.50 s	Kotlin	2023-10-12 04:59:35

#	User	Runtime	Language	Date
1	Lars Åström	0.07 s	Python 2	2018-10-15 12:47:57
2	Hidden user	0.08 s	Python 2	2016-08-02 17:02:00
3	Josenildo Silva	0.08 s	Python 2	2017-05-06 21:47:37
4	Henry Wang	0.08 s	Python 2	2020-01-13 07:35:31
5	Agis Daniels	0.08 s	Python 2	2021-12-22 12:07:52
6	Johann Ly	0.12 s	Python 2	2018-12-10 08:20:18
7	Andreas Björklund	0.12 s	Python 2	2021-11-20 13:44:59
8	Christofer Ohlsson	0.21 s	Python 2	2016-05-10 07:39:37

#	User	Runtime	Language	Date
1	Wayne	0.04 s	Python 3	2016-03-29 21:47:12
2	Ram Basnet	0.04 s	Python 3	2019-09-25 00:11:47
3	Jonathan Ha	0.04 s	Python 3	2019-10-29 10:16:14
4	Dylan Kast	0.04 s	Python 3	2019-11-05 23:01:11
5	Noah Ó Donnaile	0.05 s	Python 3	2018-02-27 20:31:01
6	Cian Ruane	0.05 s	Python 3	2018-02-27 20:41:54
7	James Hamm	0.05 s	Python 3	2018-05-08 16:49:21
8	Pavlo Bulanchuk	0.05 s	Python 3	2018-07-10 19:36:55
9	Gabriele Masina	0.05 s	Python 3	2019-03-22 22:53:44
10	Francesco Lotito	0.05 s	Python 3	2019-03-23 14:43:44

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-07-12 14:41:14
2	Niklas Sandén	0.02 s	Rust	2022-09-08 17:48:50
3	Simon Hallefält	0.03 s	Rust	2025-03-27 20:29:18

#	User	Length	Language	Date
1	Hidden user	3660	C	2016-06-26 08:17:10
2	Alexander Bilde Pedersen	9601	C	2025-03-13 21:53:54

#	User	Length	Language	Date
1	Tommaso Bianchi	2200	C#	2017-08-31 18:27:11
2	Emil Lenngren	3384	C#	2016-03-30 17:33:00

#	User	Length	Language	Date
1	Ghazal Rabiei	833	C++	2020-06-20 15:23:56
2	Mohsen Dehbashi	929	C++	2020-08-08 08:54:44
3	Andrew Roberts	937	C++	2021-04-01 09:10:02
4	William Gan	961	C++	2018-01-16 03:30:28
5	Joel Niemelä	966	C++	2022-01-05 04:12:47
6	Wang Zhi Jian	971	C++	2018-03-13 18:49:50
7	Johan Wind	974	C++	2018-09-19 00:36:45
8	Alexander Skidanov	988	C++	2024-12-25 19:19:50
9	Way Tan	1002	C++	2019-03-28 18:02:35
10	Aymane Moutei	1003	C++	2025-05-09 10:01:13

#	User	Length	Language	Date
1	Andrew Eveld	1287	Java	2019-09-19 04:08:25
2	Doug Goodman	1495	Java	2018-08-12 17:30:01
3	Michael Liu	1563	Java	2018-07-08 05:43:21
4	Tobi Pristupin	1633	Java	2018-11-26 03:13:15
5	Arup Ratan Guha	1927	Java	2019-02-22 16:27:02
6	Crystal Sharpe	1996	Java	2020-07-09 06:20:17
7	Danniel Alcantara	2014	Java	2024-07-22 00:35:01
8	Martijn Muijsers	2053	Java	2017-05-15 04:11:57
9	Finn Lidbetter	2070	Java	2016-04-12 15:41:07
10	Jerry Keith	2074	Java	2024-03-06 21:26:27

#	User	Length	Language	Date
1	Simon Hallefält	2281	JavaScript (Node.js)	2025-03-28 23:25:36

#	User	Length	Language	Date
1	Christian Cederquist	949	JavaScript (SpiderMonkey)	2025-06-06 13:47:47
2	Michael Laszlo	2186	JavaScript (SpiderMonkey)	2016-11-04 23:43:33

#	User	Length	Language	Date
1	Witte, Chet	1319	Kotlin	2022-04-13 19:34:04
2	Jacob Huebner	1319	Kotlin	2022-04-19 00:06:37
3	Adam Rankin	1466	Kotlin	2023-10-12 04:59:35
4	Sam Keyser	1827	Kotlin	2022-10-16 07:21:26
5	Philip Lewander	2640	Kotlin	2024-03-07 06:42:02

#	User	Length	Language	Date
1	Hidden user	755	Python 2	2016-08-02 17:02:00
2	Andreas Björklund	826	Python 2	2021-11-20 13:44:59
3	Agis Daniels	923	Python 2	2021-12-22 12:07:52
4	Lars Åström	940	Python 2	2018-10-15 12:47:57
5	Henry Wang	945	Python 2	2020-01-13 07:35:31
6	Johann Ly	971	Python 2	2018-12-10 08:20:18
7	Christofer Ohlsson	1036	Python 2	2016-05-10 07:39:37
8	Josenildo Silva	1383	Python 2	2017-05-06 21:47:37

#	User	Length	Language	Date
1	Benjamin Z White	261	Python 3	2023-08-05 13:47:08
2	Gustav Elmqvist	262	Python 3	2023-03-28 00:30:50
3	Iman Khodadi	369	Python 3	2024-06-04 13:48:46
4	Oskar Haarklou Veileborg	468	Python 3	2021-06-09 14:42:27
5	Johan Sannemo	478	Python 3	2021-10-30 11:46:43
6	Kelly Dance	536	Python 3	2022-06-29 18:36:18
7	Gustav Kalander	546	Python 3	2025-02-23 12:57:10
8	Jack Fox	557	Python 3	2021-01-24 07:22:33
9	David Engström	579	Python 3	2022-09-08 18:26:20
10	Lawry Sorenson	581	Python 3	2023-09-22 04:17:38

#	User	Length	Language	Date
1	Simon Hallefält	2992	Rust	2025-03-27 20:29:18
2	Niklas Sandén	19047	Rust	2022-09-08 17:48:50
3	Vincent Lagerros	72525	Rust	2025-07-12 14:42:32

Solution running time distribution