Problem C
Happy Happy Prime Prime — Problem Statistics

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Submissions	115
Accepted submissions	71
Submission ratio	61.74%
Authors	66
Full solves [?]	65
Full solve Ratio	98.48%

#	User	Runtime	Language	Date
1	Dagur Þórisson	0.00 s	C++	2024-10-24 22:40:05
2	Aðalsteinn Leifs Maríuson	0.01 s	C++	2022-05-04 13:51:13
3	Konráð Elí Sigurgeirsson	0.01 s	C++	2023-10-17 18:05:19
4	Robert Logi Jonsson	0.01 s	C++	2024-10-24 17:40:06
5	Daníel Már Ægisson	0.01 s	C++	2025-10-01 16:46:22
6	Aron Orri Fannarsson	0.02 s	C++	2022-05-04 12:57:57
7	Guðmundur Már Kristmundsson	0.02 s	C++	2022-05-04 15:12:46
8	Hafdís Ósk Pétursdóttir	0.02 s	C++	2022-05-05 14:58:36
9	Dagur Benjamínsson	0.02 s	C++	2023-10-09 16:51:06
10	Elvar Árni Bjarnason	0.02 s	C++	2023-10-13 15:24:18

#	User	Runtime	Language	Date
1	Svavar Bjarki Bjarnason	0.09 s	Python 3	2024-10-24 19:11:58
2	Hrafnkell Hreinsson	0.09 s	Python 3	2024-10-27 00:31:21
3	Sölvi Sveinbjörnsson	0.09 s	Python 3	2025-10-05 18:49:49
4	Óðinn Hjaltason Schiöth	0.10 s	Python 3	2022-05-04 22:59:12
5	Jakob Matthíasson	0.10 s	Python 3	2024-10-24 03:33:22
6	Gísli Bragi Hjartarson	0.10 s	Python 3	2024-10-24 04:57:15
7	Guðlaug Sirung Vestmann	0.10 s	Python 3	2024-10-24 13:46:55
8	Sindri Sigþórsson	0.10 s	Python 3	2024-10-25 01:13:48
9	Daði Már Patrekur Jóhannsson	0.10 s	Python 3	2024-10-27 14:24:40
10	Guðlaugur Ísfeld andreasen	0.11 s	Python 3	2024-10-26 16:51:36

#	User	Runtime	Language	Date
1	Kristinn Vikar	0.00 s	Rust	2023-10-17 17:53:42

#	User	Length	Language	Date
1	Ómar Bessi Ómarsson	903	C++	2025-10-05 12:44:56
2	Guðmundur Már Kristmundsson	925	C++	2022-05-04 15:12:46
3	Hjörleifur Guðnason	928	C++	2024-10-26 19:42:26
4	Hafdís Ósk Pétursdóttir	930	C++	2022-05-05 14:58:36
5	Daníel Már Ægisson	966	C++	2025-10-01 16:46:22
6	Rebekka Logadóttir	1030	C++	2024-10-26 12:37:20
7	Haukur Aðalsteinsson	1053	C++	2025-10-04 17:57:07
8	Robert Logi Jonsson	1082	C++	2024-10-24 17:40:06
9	jonas Ingi þorisson	1086	C++	2024-10-27 12:57:25
10	Bjarki Sigurðsson	1087	C++	2023-10-16 13:16:49

#	User	Length	Language	Date
1	Magnús Friðrik Helgason	504	Python 3	2024-10-21 15:02:12
2	Svavar Bjarki Bjarnason	592	Python 3	2024-10-24 19:11:58
3	Aron	610	Python 3	2025-10-06 12:25:38
4	Alessandro Manfrini	629	Python 3	2024-10-27 21:19:44
5	Birgir Isar Guðbergsson	643	Python 3	2022-05-04 14:22:45
6	Theodor Breki Svansson	673	Python 3	2024-10-28 00:18:38
7	Tomas Bragi Thorvaldsson	691	Python 3	2025-10-06 12:08:21
8	Óðinn Hjaltason Schiöth	697	Python 3	2022-05-04 22:59:12
9	Hilmar Páll Stefánsson	724	Python 3	2022-05-04 13:50:47
10	Kacper Zuromski	782	Python 3	2022-05-04 12:15:41

#	User	Length	Language	Date
1	Kristinn Vikar	2242	Rust	2023-10-17 17:29:03

Solution running time distribution