Problem A
Prime Path — Problem Statistics

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Submissions	2156
Accepted submissions	1316
Submission ratio	61.04%
Authors	977
Accepted authors	908
Author ratio	92.94%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-06-01 01:49:43
2	Ivan Petrov	0.01 s	C	2019-03-28 09:31:00
3	Hidden user	0.01 s	C	2022-11-30 08:41:40
4	Shriraam U V	0.01 s	C	2025-03-31 04:17:48
5	Dương Ý Nguyễn	0.01 s	C	2025-04-26 22:15:21
6	test	0.02 s	C	2025-02-27 18:55:29
7	Lijo Cyriac George	0.34 s	C	2016-09-19 08:25:58
8	Sambit Palit	0.55 s	C	2020-10-01 04:47:00

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-03-31 14:56:20
2	Dan	0.02 s	C#	2017-02-03 01:02:24
3	Johnson Ho	0.03 s	C#	2016-11-15 21:46:11
4	Daniel Hosseini	0.03 s	C#	2017-03-26 00:47:15
5	Andrzej Krajniak	0.05 s	C#	2016-08-31 20:20:15
6	Adam Grady	0.05 s	C#	2021-09-29 19:08:31
7	Sebastian Eriksson	0.07 s	C#	2024-09-01 15:33:24
8	Nicke Nyfiken	0.07 s	C#	2025-04-01 17:23:31
9	masosz	0.08 s	C#	2015-02-25 21:26:22
10	Deibi Franducardo Cruz Gomez	0.08 s	C#	2025-03-13 22:50:58

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.10 s	F#	2023-01-17 11:42:37

#	User	Runtime	Language	Date
1	Matthias Doepmann	0.01 s	Go	2025-04-13 17:24:35
2	Luis Henrique Pauleti Mendes	0.03 s	Go	2022-11-25 19:26:48
3	E N Martin	0.12 s	Go	2019-10-18 17:54:57
4	Norbert Voelker	0.17 s	Go	2021-07-04 01:39:33
5	Ola Dahl	0.18 s	Go	2022-11-22 22:19:53
6	Christoffer Danborg Irvall	0.19 s	Go	2019-05-06 13:43:33
7	Jonas Mittnacht	0.34 s	Go	2024-01-31 15:18:47
8	Izhari Ishak Aksa	0.60 s	Go	2021-08-24 18:53:01

#	User	Runtime	Language	Date
1	Morten Lohne	0.01 s	Haskell	2017-05-06 22:51:48
2	Hidden user	0.04 s	Haskell	2019-10-26 13:09:29
3	Jan Hlavacek	0.07 s	Haskell	2016-11-24 06:44:45
4	Ulrik Hansen	0.16 s	Haskell	2023-01-22 03:29:21

#	User	Runtime	Language	Date
1	Liam Keliher	0.06 s	Java	2016-06-23 16:52:04
2	Hans Gylling	0.08 s	Java	2009-11-28 23:15:50
3	Frank Ruskey	0.08 s	Java	2017-03-04 19:32:26
4	Isak Nordgren	0.08 s	Java	2020-11-13 00:33:24
5	Sven Rönnbäck	0.08 s	Java	2023-07-03 15:16:13
6	Jan Štola	0.09 s	Java	2015-05-21 11:38:35
7	Ilija Matoski	0.09 s	Java	2015-06-02 23:37:11
8	Alex Olsson	0.09 s	Java	2016-06-06 10:56:16
9	Ajmal Iqbal	0.09 s	Java	2016-06-06 21:10:40
10	Maurice zum Felde	0.09 s	Java	2016-11-01 13:46:18

#	User	Runtime	Language	Date
1	Jhadir Ormachea	0.34 s	JavaScript (Node.js)	2024-05-04 18:19:11
2	Michael Bond	0.53 s	JavaScript (Node.js)	2019-12-26 19:37:38

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2016-08-28 16:55:06
2	Jimmy Gustafsson	0.09 s	JavaScript (SpiderMonkey)	2024-08-19 12:23:11
3	Christian Cederquist	0.16 s	JavaScript (SpiderMonkey)	2023-03-17 16:13:43
4	Maryna Martynenko	0.43 s	JavaScript (SpiderMonkey)	2017-02-13 08:04:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.76 s	Julia	2024-04-24 07:59:55

#	User	Runtime	Language	Date
1	Adam Rankin	0.32 s	Kotlin	2023-05-02 05:35:43
2	Ali M. Nekoh	0.38 s	Kotlin	2025-04-22 21:44:43
3	Jonathan Soo	0.40 s	Kotlin	2019-08-04 14:53:33
4	Cheatahh	0.49 s	Kotlin	2025-04-21 15:25:16
5	Neil Harmon	0.61 s	Kotlin	2019-07-30 09:26:57

#	User	Runtime	Language	Date
1	Silvena Lam	0.19 s	PHP	2016-02-06 13:15:46

#	User	Runtime	Language	Date
1	Andreas Björklund	0.05 s	Python 2	2018-12-14 06:37:26
2	Erik Odenman	0.06 s	Python 2	2015-05-15 04:10:27
3	Bertrand Evertz	0.06 s	Python 2	2018-04-18 19:58:30
4	Jesper Öqvist	0.06 s	Python 2	2018-10-27 21:07:12
5	Johan Lyts	0.06 s	Python 2	2019-03-26 22:05:24
6	Paulo Bu	0.07 s	Python 2	2015-02-17 22:33:34
7	Mislav Bobesic	0.07 s	Python 2	2015-03-12 14:04:54
8	David Wetterau	0.07 s	Python 2	2016-02-28 06:20:23
9	Nasir Uddin	0.07 s	Python 2	2017-04-03 14:30:06
10	Adriaan de Vries	0.07 s	Python 2	2019-05-24 17:49:58

#	User	Runtime	Language	Date
1	James Elías Sigurðarson	0.04 s	Python 3	2015-06-04 22:23:30
2	Mikael Hedin	0.04 s	Python 3	2015-12-05 23:40:50
3	James Hamm	0.04 s	Python 3	2018-04-04 03:17:49
4	Conor McGovern	0.04 s	Python 3	2019-12-12 00:09:00
5	Petr	0.04 s	Python 3	2024-11-05 23:38:20
6	Sindre Nerdal	0.05 s	Python 3	2017-05-08 14:20:07
7	Gustaf Pihl	0.06 s	Python 3	2018-12-02 04:10:03
8	Damjan Polugic	0.06 s	Python 3	2019-12-16 18:18:35
9	lankan01	0.06 s	Python 3	2024-10-29 05:29:26
10	Hidden user	0.07 s	Python 3	2018-07-31 17:58:28

#	User	Runtime	Language	Date
1	Hidden user	0.81 s	Ruby	2019-12-17 00:48:25

#	User	Runtime	Language	Date
1	Louis Bouchard	0.00 s	Rust	2024-12-01 00:25:37
2	David Rasch	0.01 s	Rust	2021-04-02 17:28:02
3	Bas Dirks	0.02 s	Rust	2022-04-12 15:53:14
4	Ulrik Hansen	0.03 s	Rust	2023-02-02 22:17:57
5	Yoeri Otten	0.14 s	Rust	2021-09-06 01:01:13

#	User	Length	Language	Date
1	test	1709	C	2025-02-27 18:55:29
2	Shriraam U V	1780	C	2025-03-31 04:17:48
3	Lijo Cyriac George	2057	C	2016-09-19 08:25:58
4	Hidden user	2344	C	2017-06-01 00:55:52
5	Hidden user	2481	C	2022-11-30 08:41:40
6	Dương Ý Nguyễn	2614	C	2025-04-26 22:15:21
7	Ivan Petrov	3326	C	2019-03-28 09:31:00
8	Sambit Palit	3702	C	2020-10-01 04:47:00

#	User	Length	Language	Date
1	Daniel Hosseini	1947	C#	2017-03-26 00:47:15
2	Deibi Franducardo Cruz Gomez	1984	C#	2025-03-13 22:50:58
3	Denys Halachian	2086	C#	2019-02-16 21:35:29
4	Nicke Nyfiken	2302	C#	2025-04-01 17:23:31
5	Isaak Coleman	2307	C#	2023-11-06 03:57:32
6	Johnson Ho	2513	C#	2016-11-15 21:46:11
7	Carlos Palacios	2633	C#	2025-03-16 18:38:33
8	Sebastian Eriksson	2926	C#	2024-09-01 15:33:24
9	Atanas Trpceski	2951	C#	2015-06-14 11:10:48
10	Adam Grady	2956	C#	2021-09-29 19:08:31

#	User	Length	Language	Date
1	Håkon Tjeldnes	843	C++	2017-05-18 18:15:43
2	Nhi Lưu Yến	861	C++	2020-06-11 10:04:31
3	Bernhard Kartefla	877	C++	2017-01-18 15:04:19
4	Josenildo Silva	941	C++	2017-02-03 13:31:01
5	Lego Haryanto	956	C++	2020-07-22 07:25:50
6	Herman Karlsson	995	C++	2015-02-14 12:27:07
7	人外沙耶	1017	C++	2020-11-09 11:46:49
8	blameazu	1057	C++	2024-04-24 08:19:28
9	Mahan Shishechi	1066	C++	2017-09-09 09:52:28
10	William Gan	1083	C++	2017-12-18 16:08:37

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1935	F#	2023-01-17 11:42:37

#	User	Length	Language	Date
1	Jonas Mittnacht	1779	Go	2024-01-31 15:18:47
2	Izhari Ishak Aksa	1880	Go	2021-08-24 18:53:01
3	Christoffer Danborg Irvall	2412	Go	2019-05-06 13:43:33
4	E N Martin	3233	Go	2019-10-17 23:31:08
5	Ola Dahl	4064	Go	2022-11-22 22:19:53
6	Luis Henrique Pauleti Mendes	4081	Go	2022-11-25 19:26:48
7	Matthias Doepmann	5736	Go	2025-04-12 21:05:18
8	Norbert Voelker	8915	Go	2021-07-04 01:41:21

#	User	Length	Language	Date
1	Ulrik Hansen	1650	Haskell	2023-01-22 03:28:34
2	Jan Hlavacek	1764	Haskell	2016-11-24 06:44:45
3	Morten Lohne	2246	Haskell	2017-05-06 22:54:30
4	Hidden user	8043	Haskell	2019-10-26 13:09:29

#	User	Length	Language	Date
1	Alex Coleman	1162	Java	2017-03-02 19:19:34
2	Duncan Page	1223	Java	2017-09-19 00:22:30
3	Doug Goodman	1301	Java	2018-04-03 22:04:51
4	Ali Pervaiz	1324	Java	2019-03-26 16:40:30
5	Hidden user	1457	Java	2016-10-30 22:43:06
6	Rahat Mahbub	1490	Java	2017-03-09 05:45:54
7	Nick Wu	1494	Java	2015-10-05 11:29:52
8	Turner Atwood	1533	Java	2019-02-26 02:44:38
9	Frederick Pek	1587	Java	2021-03-03 05:02:24
10	Markus Bao	1598	Java	2023-02-18 23:34:32

#	User	Length	Language	Date
1	Michael Bond	1686	JavaScript (Node.js)	2019-12-26 17:18:47
2	Jhadir Ormachea	2133	JavaScript (Node.js)	2024-05-04 18:19:11

#	User	Length	Language	Date
1	Jimmy Gustafsson	641	JavaScript (SpiderMonkey)	2024-08-19 12:27:21
2	Christian Cederquist	1740	JavaScript (SpiderMonkey)	2023-03-17 16:13:43
3	Maryna Martynenko	1985	JavaScript (SpiderMonkey)	2017-02-13 08:04:13
4	Bjørn Chr. Soltvedt	6512	JavaScript (SpiderMonkey)	2016-08-28 15:57:13

#	User	Length	Language	Date
1	Timothy Gaede	3775	Julia	2024-04-24 07:59:55

#	User	Length	Language	Date
1	Ali M. Nekoh	1673	Kotlin	2025-04-22 21:44:43
2	Cheatahh	1710	Kotlin	2025-04-21 15:25:16
3	Adam Rankin	2316	Kotlin	2023-05-02 05:35:43
4	Jonathan Soo	2970	Kotlin	2019-06-27 15:09:29
5	Neil Harmon	9703	Kotlin	2019-07-30 09:26:57

#	User	Length	Language	Date
1	Silvena Lam	1888	PHP	2016-02-05 15:33:14

#	User	Length	Language	Date
1	Thomas Feld	645	Python 2	2019-09-16 15:03:45
2	Erik Odenman	689	Python 2	2015-05-15 04:10:27
3	Paweł Kordowski	753	Python 2	2015-11-29 10:54:00
4	Johan Lyts	951	Python 2	2019-03-26 22:05:24
5	Andreas Björklund	1011	Python 2	2018-12-14 06:37:26
6	Jesper Öqvist	1039	Python 2	2018-10-27 21:07:12
7	Ciara Godwin	1116	Python 2	2018-04-05 00:53:21
8	Frederik Højholt	1224	Python 2	2016-09-13 20:09:52
9	Anton Lyxell	1264	Python 2	2020-01-05 17:46:28
10	Johann Ly	1272	Python 2	2018-07-17 06:13:03

#	User	Length	Language	Date
1	Benjamin Z White	327	Python 3	2023-04-21 13:54:59
2	Hidden user	545	Python 3	2020-07-29 11:50:57
3	Oskar Haarklou Veileborg	609	Python 3	2020-05-04 09:05:00
4	Thibault Raffaillac	660	Python 3	2021-04-22 19:38:32
5	Nicholas Russell Saerang	696	Python 3	2023-06-26 05:46:13
6	Shang-En Huang	711	Python 3	2023-09-28 03:34:48
7	Casper Rysgaard	767	Python 3	2023-01-03 14:45:34
8	Lim Hong Hui Eugene	769	Python 3	2020-04-15 04:49:58
9	ionut barbalata	791	Python 3	2023-10-21 18:18:22
10	Aaron Lengyel	793	Python 3	2024-10-16 09:50:24

#	User	Length	Language	Date
1	Hidden user	810	Ruby	2019-12-17 00:48:25

#	User	Length	Language	Date
1	Bas Dirks	1986	Rust	2022-04-12 15:53:14
2	Yoeri Otten	2753	Rust	2021-09-06 01:01:13
3	Louis Bouchard	2834	Rust	2024-12-01 00:25:37
4	Ulrik Hansen	3119	Rust	2023-02-02 22:17:57
5	David Rasch	7690	Rust	2021-04-02 17:28:02

Solution running time distribution