Problem A
Stable Perfect Matching — Problem Statistics

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Submissions	1720
Accepted submissions	651
Submission ratio	37.85%
Authors	410
Full solves [?]	8
Full solve Ratio	1.95%

#	User	Score	Language	Date
1	Anders Mikkelsen	45	C	2023-09-02 01:23:19
2	Marcus Alsted Wegmann	40	C	2025-08-27 15:58:02

#	User	Score	Language	Date
1	Ezequiel Padillo Molina	95	C#	2024-09-03 17:39:01
2	Tore Asbjørn Tonnisen Kjelds	45	C#	2023-08-30 17:35:35
3	Nicolai Grymer	45	C#	2023-08-31 21:23:47
4	Daniel Spandet Grønbjerg	45	C#	2023-09-01 21:51:20
5	Phillip Andersen	45	C#	2023-09-03 17:33:56
6	Alexander Skou-Larsen	45	C#	2023-09-05 21:44:48
7	Hidden user	45	C#	2023-09-05 22:55:11
8	Tobias Skovbæk Brund	45	C#	2024-08-28 11:27:21
9	Michael Jeppesen	45	C#	2024-08-28 14:06:45
10	Daniel Vikkelsø Held-Hansen	45	C#	2024-08-28 15:34:41

#	User	Score	Language	Date
1	Hidden user	45	C++	2023-09-01 19:12:17
2	Filippo Piloni	45	C++	2024-08-30 14:23:00
3	Andrada Condor	45	C++	2024-09-01 19:23:37
4	Oliver Juhl Friis Hansen	45	C++	2025-08-27 15:45:54
5	Sanjida Akter	45	C++	2025-08-30 08:17:26
6	Thomas Suckfüll	40	C++	2024-09-02 13:08:52
7	Jobayer Hossain	40	C++	2025-08-29 18:26:47

#	User	Score	Language	Date
1	Laurits Brok Pedersen	45	Dart	2024-08-28 21:18:17

#	User	Score	Language	Date
1	Line Dejgaard	100	Go	2023-10-01 10:50:27
2	Leonora Andrea Lindqvist Nielsen	45	Go	2023-08-31 22:56:02

#	User	Score	Language	Date
1	Imaz Naseem	100	Java	2025-08-31 15:25:30
2	Michael	55	Java	2025-08-31 17:00:47
3	Rasmus Herskind	55	Java	2025-09-02 20:41:51
4	Karl Michelsen	45	Java	2023-08-30 14:55:31
5	Philip Kristian Møller Flyvholm	45	Java	2023-08-30 15:55:13
6	Isabella Harries Magnusdottir	45	Java	2023-08-31 00:11:39
7	Line Dejgaard	45	Java	2023-08-31 09:47:21
8	Malte Johnsen	45	Java	2023-08-31 12:05:51
9	Nicklas Jeppesen	45	Java	2023-08-31 22:38:56
10	Mikkel Helsted Madsen	45	Java	2023-09-02 12:22:45

#	User	Score	Language	Date
1	Hidden user	45	JavaScript (Node.js)	2024-08-31 23:38:40

#	User	Score	Language	Date
1	Thore Husfeldt	100	Python 3	2023-08-29 07:23:48
2	Albert Rise Nielsen	100	Python 3	2023-09-01 16:57:07
3	Adrian Borup	100	Python 3	2023-09-08 08:38:57
4	Nikolaj Munk Binder Jensen	100	Python 3	2024-08-27 13:27:15
5	Jonas Ulsnes Jørgensen	100	Python 3	2024-09-02 18:51:13
6	Lukas Frimer Tholander	100	Python 3	2024-09-03 11:12:32
7	Thøger Bro	95	Python 3	2025-08-28 23:23:09
8	Eisuke Okuda	55	Python 3	2023-09-04 23:30:53
9	Joachim Borup	55	Python 3	2023-09-05 19:19:57
10	David Martin Sørensen	55	Python 3	2024-09-03 21:28:34

#	User	Score	Language	Date
1	Henrique Aleixo	55	Python 3 with NumPy	2025-08-28 17:54:16
2	Andreas Neocleous	55	Python 3 with NumPy	2025-08-31 21:33:19
3	Hidden user	45	Python 3 with NumPy	2023-08-30 16:42:58
4	Ahmad Sattar Atta	45	Python 3 with NumPy	2023-08-30 20:14:53
5	Matteo Faura Behague	45	Python 3 with NumPy	2023-09-01 12:25:12
6	Anders Havbro Hjulmand	45	Python 3 with NumPy	2023-09-04 14:07:13
7	Amna	45	Python 3 with NumPy	2023-09-05 23:16:39
8	Marek Gaľa	45	Python 3 with NumPy	2023-09-06 09:04:07
9	Giulia Pinciroli	45	Python 3 with NumPy	2024-08-29 21:03:47
10	Andreas Benggaard	45	Python 3 with NumPy	2024-09-02 21:47:18

#	User	Score	Language	Date
1	Emil Dichmann	45	Rust	2023-09-05 13:49:39

#	User	Runtime	Language	Date
1	Line Dejgaard	0.02 s	Go	2023-10-01 11:15:27

#	User	Runtime	Language	Date
1	Imaz Naseem	0.28 s	Java	2025-08-31 15:25:30

#	User	Runtime	Language	Date
1	Thore Husfeldt	0.10 s	Python 3	2023-08-29 11:28:33
2	Albert Rise Nielsen	0.10 s	Python 3	2023-09-01 16:57:07
3	Adrian Borup	0.11 s	Python 3	2023-09-08 08:38:57
4	Nikolaj Munk Binder Jensen	0.14 s	Python 3	2024-08-27 13:27:15
5	Jonas Ulsnes Jørgensen	0.18 s	Python 3	2024-09-02 18:54:09
6	Lukas Frimer Tholander	0.18 s	Python 3	2024-09-03 11:12:32

#	User	Length	Language	Date
1	Line Dejgaard	6980	Go	2023-10-01 10:59:09

#	User	Length	Language	Date
1	Imaz Naseem	7350	Java	2025-08-31 15:25:30

#	User	Length	Language	Date
1	Jonas Ulsnes Jørgensen	1113	Python 3	2024-09-02 18:54:09
2	Thore Husfeldt	1352	Python 3	2023-08-29 11:28:33
3	Nikolaj Munk Binder Jensen	2174	Python 3	2024-08-27 13:27:15
4	Albert Rise Nielsen	3623	Python 3	2023-09-01 20:38:14
5	Adrian Borup	5830	Python 3	2023-09-08 08:38:57
6	Lukas Frimer Tholander	7833	Python 3	2024-09-03 11:12:32

Solution running time distribution