Problem A
Birthday Paradox — Problem Statistics

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Submissions	55
Accepted submissions	15
Submission ratio	27.27%
Authors	11
Accepted authors	11
Author ratio	100.00%

#	User	Runtime	Language	Date
1	Daniel Schmekel	0.00 s	C++	2020-12-03 11:36:01
2	Sijing Tu	0.00 s	C++	2020-12-08 12:14:39
3	Tómas Ingi Hrólfsson	0.00 s	C++	2024-05-14 22:43:36
4	Mohammed Faisal Ahmed Ba Rashed	0.00 s	C++	2025-05-13 16:47:07
5	Robin Eggestig	0.00 s	C++	2025-05-15 15:22:57
6	Matilde Dolores Pires Neves	0.00 s	C++	2025-05-31 13:17:32
7	Oliver Lindgren	0.15 s	C++	2023-05-15 14:20:44

#	User	Runtime	Language	Date
1	Andy Li	0.04 s	Python 3	2025-05-09 11:46:56
2	Axel Lervik	0.05 s	Python 3	2023-05-22 10:02:39
3	Rickard Mårtensson	0.06 s	Python 3	2020-12-07 13:29:59
4	Harry Zhang	0.07 s	Python 3	2024-05-10 23:13:54
5	Oliver Lindgren	0.41 s	Python 3	2023-05-15 14:13:48

#	User	Length	Language	Date
1	Mohammed Faisal Ahmed Ba Rashed	1397	C++	2025-05-13 16:47:07
2	Matilde Dolores Pires Neves	1480	C++	2025-05-31 13:17:32
3	Robin Eggestig	1556	C++	2025-05-15 15:22:57
4	Sijing Tu	1736	C++	2020-12-08 12:14:39
5	Oliver Lindgren	1761	C++	2023-05-15 14:20:44
6	Tómas Ingi Hrólfsson	1817	C++	2024-05-14 22:43:36
7	Daniel Schmekel	2422	C++	2020-12-03 11:36:01

#	User	Length	Language	Date
1	Axel Lervik	441	Python 3	2023-05-22 10:22:34
2	Harry Zhang	512	Python 3	2024-05-10 23:13:54
3	Oliver Lindgren	623	Python 3	2023-05-15 14:22:13
4	Andy Li	774	Python 3	2025-05-09 11:46:56
5	Rickard Mårtensson	1388	Python 3	2020-12-07 13:29:59

Solution running time distribution