Problem A
Find the Graph — Problem Statistics

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Submissions	1302
Accepted submissions	472
Submission ratio	36.25%
Authors	413
Full solves [?]	372
Full solve Ratio	90.07%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2020-11-19 20:42:26
2	Alexander Bilde Pedersen	0.01 s	C	2023-06-05 17:03:32

#	User	Runtime	Language	Date
1	Jakub Jarząbek	0.03 s	C#	2020-11-24 21:32:43

#	User	Runtime	Language	Date
1	David Zheng	0.01 s	C++	2020-10-24 18:56:37
2	Seba Villalobos	0.01 s	C++	2020-10-24 21:15:52
3	Matt Agar	0.01 s	C++	2020-10-24 21:23:56
4	Mohammad Nematollahi	0.01 s	C++	2020-10-24 21:25:48
5	Jordan Richards	0.01 s	C++	2020-10-24 21:27:19
6	Andy Shih	0.01 s	C++	2020-10-24 21:28:52
7	William Quiroga	0.01 s	C++	2020-10-24 21:28:57
8	Atharva Nagarkar	0.01 s	C++	2020-10-24 21:29:18
9	Xingyu Zhou	0.01 s	C++	2020-10-24 21:29:56
10	Zixiang Zhou	0.01 s	C++	2020-10-24 21:31:45

#	User	Runtime	Language	Date
1	Norbert Voelker	0.09 s	Go	2021-11-17 22:04:49

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.05 s	Haskell	2025-05-19 16:04:10
2	Brent Yorgey	0.06 s	Haskell	2020-11-28 12:55:57

#	User	Runtime	Language	Date
1	Ho Lyun Jeong	0.14 s	Java	2020-10-24 22:17:00
2	Crystal Sharpe	0.14 s	Java	2021-01-06 00:34:22
3	Bjørn Dons	0.17 s	Java	2020-12-28 21:12:50
4	Jacob Magnuson	0.19 s	Java	2020-10-24 23:13:49
5	Daniel West	0.20 s	Java	2020-10-25 00:27:28
6	Toan Vu	0.20 s	Java	2020-10-28 00:14:33
7	Morten Flensborg Jensen	0.20 s	Java	2021-10-06 19:07:57
8	Ahmad Barhamje	0.21 s	Java	2020-10-24 21:39:49
9	Chris Gittings	0.21 s	Java	2020-10-24 23:04:36
10	Liam Keliher	0.21 s	Java	2020-12-22 23:16:46

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-11-13 21:22:46

#	User	Runtime	Language	Date
1	Andy Phan	0.19 s	Kotlin	2020-10-24 21:49:07

#	User	Runtime	Language	Date
1	Sarah Bassett	0.07 s	Python 3	2024-12-01 22:59:07
2	Abdulhafiz Oladimeji Dada	0.07 s	Python 3	2025-09-27 22:09:47
3	Paco Criado	0.07 s	Python 3	2025-10-01 13:20:44
4	Andreas Björklund	0.08 s	Python 3	2022-04-07 19:15:33
5	Harry Zhang	0.08 s	Python 3	2024-02-20 02:40:23
6	Tan Yu Wei	0.08 s	Python 3	2024-06-17 14:56:00
7	Hidden user	0.08 s	Python 3	2024-10-28 02:23:26
8	Ryan Farrell	0.08 s	Python 3	2024-12-02 19:23:28
9	Anton Engström	0.08 s	Python 3	2025-01-17 13:13:34
10	Jason Oliphant	0.08 s	Python 3	2025-04-04 06:28:06

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2023-10-11 11:20:47

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.01 s	Rust	2024-10-04 08:20:57
2	Hidden user	0.01 s	Rust	2025-11-08 12:53:37
3	Lasse Møldrup	0.02 s	Rust	2021-10-03 13:52:10

#	User	Length	Language	Date
1	Alexander Bilde Pedersen	1061	C	2023-06-05 17:03:32
2	Bergur Snorrason	1893	C	2020-11-19 20:42:26

#	User	Length	Language	Date
1	Jakub Jarząbek	1724	C#	2020-11-24 21:32:43

#	User	Length	Language	Date
1	Xingyu Zhou	525	C++	2020-10-24 21:29:56
2	Hidden user	545	C++	2020-10-24 21:51:41
3	Markus Mathiasen	559	C++	2021-10-03 11:34:04
4	Dmitry Lyubshin	565	C++	2023-04-05 17:46:08
5	Ethan Guo	575	C++	2023-01-07 01:50:00
6	Yen-Hsiang Chang	606	C++	2020-10-24 21:40:00
7	Hidden user	613	C++	2021-10-03 11:53:52
8	Zhuolin Yang	617	C++	2020-10-24 21:54:32
9	Alex Costin	617	C++	2021-01-20 15:37:20
10	Apahidean Luca Teodor	617	C++	2021-01-20 19:06:56

#	User	Length	Language	Date
1	Norbert Voelker	836	Go	2021-11-17 22:04:49

#	User	Length	Language	Date
1	Steinar Simonnes	1388	Haskell	2025-05-20 09:12:35
2	Brent Yorgey	2819	Haskell	2020-11-28 12:55:57

#	User	Length	Language	Date
1	Malte Larsson	844	Java	2022-04-19 21:27:18
2	Meghan Lin	880	Java	2020-10-27 16:55:19
3	Arup Ratan Guha	931	Java	2020-10-24 21:57:04
4	Fiona Barry	1036	Java	2020-10-24 22:08:30
5	Toan Vu	1043	Java	2020-10-28 00:18:12
6	Doug Goodman	1053	Java	2021-05-30 16:09:31
7	Jay Doshi	1067	Java	2020-10-24 22:59:55
8	Esther Chong	1114	Java	2023-05-18 05:22:48
9	Ben Zheng	1148	Java	2020-10-24 22:29:01
10	Crystal Sharpe	1187	Java	2021-01-06 00:34:22

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	607	JavaScript (SpiderMonkey)	2023-11-13 21:23:29

#	User	Length	Language	Date
1	Andy Phan	1180	Kotlin	2020-10-24 21:49:07

#	User	Length	Language	Date
1	Iman Khodadi	253	Python 3	2025-01-15 16:57:52
2	Nicholas Russell Saerang	294	Python 3	2023-09-30 13:09:16
3	Ryan Farrell	317	Python 3	2024-12-02 19:23:28
4	Clement Oh	343	Python 3	2024-03-14 11:36:31
5	Oskar Haarklou Veileborg	352	Python 3	2021-04-13 12:18:40
6	Jason Oliphant	390	Python 3	2025-04-04 06:28:06
7	Ruth Risberg	394	Python 3	2024-02-17 23:43:24
8	Timothy White	400	Python 3	2023-02-26 19:35:07
9	Varun Venkatesh Narayanan	404	Python 3	2021-11-15 04:51:35
10	Daniel Bogorad	404	Python 3	2025-09-27 21:01:57

#	User	Length	Language	Date
1	Thomas Feld	153	Ruby	2023-10-11 11:32:08

#	User	Length	Language	Date
1	Lasse Møldrup	1391	Rust	2021-10-03 13:52:10
2	Hidden user	15119	Rust	2025-11-08 12:53:37
3	Daniel Anker Hermansen	27798	Rust	2024-10-04 08:20:57

Solution running time distribution