Problem A
Big Brother — Problem Statistics

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Submissions	860
Accepted submissions	340
Submission ratio	39.53%
Authors	165
Full solves [?]	136
Full solve Ratio	82.42%

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.12 s	C++	2020-11-07 14:47:16
2	Asger Hautop Drewsen	0.12 s	C++	2020-11-07 19:12:36
3	Oskar Haarklou Veileborg	0.12 s	C++	2020-11-07 22:04:38
4	Le Phuoc Dinh	0.12 s	C++	2021-02-14 21:05:18
5	Ignacio Castellano Vega	0.14 s	C++	2023-10-24 00:42:02
6	Adam Soltan	0.15 s	C++	2024-12-25 21:56:07
7	Yunzhen Lie	0.18 s	C++	2022-03-05 00:05:31
8	Wesley Leung	0.19 s	C++	2021-03-08 06:08:14
9	David Andres Lopez Gomez	0.19 s	C++	2022-04-17 22:49:01
10	林秉軒	0.19 s	C++	2023-08-11 17:29:49

#	User	Runtime	Language	Date
1	Kristoffer Borgstrøm	0.87 s	Java	2021-05-03 16:30:43
2	Emil Bak-Møller	0.94 s	Java	2021-04-30 22:59:12
3	Michael O'Brien	1.12 s	Java	2022-02-21 05:42:49
4	Alex Lind	1.14 s	Java	2021-08-23 22:06:56
5	David Harmeyer	1.75 s	Java	2021-02-23 08:00:22
6	nabil abubakar	1.88 s	Java	2022-02-22 21:39:30
7	Faxfindx	1.96 s	Java	2021-07-14 15:50:45

#	User	Runtime	Language	Date
1	Andreas Björklund	1.20 s	Python 2	2020-11-10 21:06:43
2	Faxfindx	2.14 s	Python 2	2021-07-14 16:22:44

#	User	Runtime	Language	Date
1	Jiaming Liu	1.37 s	Python 3	2024-11-03 07:43:34
2	Sidharth Sundar	1.43 s	Python 3	2023-02-12 03:45:36
3	Russell	1.73 s	Python 3	2025-09-21 17:08:09
4	Nicholas Russell Saerang	1.75 s	Python 3	2025-02-06 09:02:26

#	User	Runtime	Language	Date
1	Atli Fannar Franklín	0.25 s	Rust	2022-01-12 15:29:02

#	User	Length	Language	Date
1	Tuukka Korhonen	2347	C++	2020-11-07 11:44:49
2	Iheadx	2435	C++	2021-07-13 08:38:52
3	Simon Fallon	2477	C++	2023-09-19 00:07:25
4	Faxfindx	2572	C++	2021-07-06 18:03:27
5	Uziel Ludueña	2666	C++	2023-01-24 19:08:50
6	盛宇航	2706	C++	2020-12-17 07:34:02
7	Robert Lee	2714	C++	2025-05-21 09:45:02
8	Araf Rahman	2726	C++	2021-03-05 11:29:57
9	Wesley Leung	2792	C++	2021-02-02 05:03:32
10	Roope Salmi	2795	C++	2020-11-07 12:30:38

#	User	Length	Language	Date
1	Michael O'Brien	3582	Java	2022-02-21 05:42:49
2	David Harmeyer	5895	Java	2021-02-23 08:00:22
3	nabil abubakar	11242	Java	2022-02-19 19:35:30
4	Faxfindx	11544	Java	2021-07-14 15:50:45
5	Kristoffer Borgstrøm	15246	Java	2021-05-03 16:30:43
6	Emil Bak-Møller	15249	Java	2021-04-30 22:59:12
7	Alex Lind	33445	Java	2021-08-25 01:47:54

#	User	Length	Language	Date
1	Andreas Björklund	2310	Python 2	2020-11-10 21:06:43
2	Faxfindx	2326	Python 2	2021-07-14 16:22:44

#	User	Length	Language	Date
1	Nicholas Russell Saerang	1951	Python 3	2025-02-06 09:02:26
2	Russell	1951	Python 3	2025-09-21 17:08:09
3	Sidharth Sundar	2398	Python 3	2023-02-12 03:45:36
4	Jiaming Liu	6153	Python 3	2024-11-03 07:43:34

#	User	Length	Language	Date
1	Atli Fannar Franklín	13200	Rust	2022-01-12 15:29:02

Solution running time distribution