Problem D
Exam Manipulation — Problem Statistics

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Submissions	2024
Accepted submissions	702
Submission ratio	34.68%
Authors	718
Full solves [?]	534
Full solve Ratio	74.37%

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.00 s	C	2025-02-13 17:41:36
2	Kevin Jones	0.01 s	C	2021-03-06 20:51:25
3	Arup Ratan Guha	0.01 s	C	2021-11-17 19:13:23
4	Bergur Snorrason	0.01 s	C	2022-02-04 19:14:57
5	George Zhang	0.01 s	C	2023-10-15 04:29:30

#	User	Runtime	Language	Date
1	Brent Yorgey	0.02 s	Haskell	2021-05-20 15:21:56
2	Mason Barnhill	0.19 s	Haskell	2023-07-30 19:24:17

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.06 s	Java	2025-02-13 17:11:32
2	Srinjoy Dutta	0.07 s	Java	2025-04-17 18:48:02
3	Crystal Sharpe	0.09 s	Java	2021-03-06 20:20:09
4	Bjørn Dons	0.09 s	Java	2023-04-22 16:19:39
5	Grey Ruessler	0.10 s	Java	2021-03-06 21:41:41
6	Benjamin Reidys	0.10 s	Java	2021-09-30 23:32:50
7	Jacob Harris Cryer Kragh	0.10 s	Java	2023-09-30 14:37:13
8	Alvin Lee	0.10 s	Java	2025-11-12 23:18:17
9	Brian Wang	0.11 s	Java	2021-03-06 20:23:23
10	Brooks McKinley	0.11 s	Java	2021-03-06 21:07:52

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-08-10 19:31:59
2	Bjørn Chr. Soltvedt	0.23 s	JavaScript (SpiderMonkey)	2024-06-05 16:31:54

#	User	Runtime	Language	Date
1	Timothy Gaede	0.66 s	Julia	2024-08-21 10:06:11

#	User	Runtime	Language	Date
1	Jacob Huebner	0.16 s	Kotlin	2021-09-15 17:48:36
2	Sam Keyser	0.16 s	Kotlin	2022-03-25 16:25:17

#	User	Runtime	Language	Date
1	Andreas Björklund	0.05 s	Python 2	2021-05-21 06:56:29

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Python 3	2025-11-20 18:27:00
2	황종서/AI·소프트웨어학부(소프트웨어전공)	0.05 s	Python 3	2025-12-02 04:31:28
3	Barry Tng	0.07 s	Python 3	2022-09-17 09:15:49
4	Andrew Tapia	0.07 s	Python 3	2023-01-21 05:54:59
5	Lego Haryanto	0.07 s	Python 3	2023-02-25 02:48:05
6	Shashank Bhatt	0.07 s	Python 3	2024-09-03 03:22:41
7	Josh Wiseman	0.07 s	Python 3	2025-04-23 00:14:53
8	Lance S	0.07 s	Python 3	2025-11-06 20:27:52
9	August Waldspurger	0.09 s	Python 3	2021-10-16 20:38:33
10	Paco Criado	0.09 s	Python 3	2024-03-15 00:15:12

#	User	Runtime	Language	Date
1	Thomas Feld	0.82 s	Ruby	2023-08-07 10:40:07

#	User	Runtime	Language	Date
1	Daniel Liland	0.00 s	Rust	2023-04-11 17:19:06
2	Rolf Martin Glomsrud	0.00 s	Rust	2023-04-11 17:59:04
3	Vincent Lagerros	0.00 s	Rust	2024-09-21 13:00:15
4	Artur Khuziakhmetov	0.00 s	Rust	2025-02-03 12:18:10
5	Otakar Hirs	0.02 s	Rust	2023-04-08 21:36:51

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Swift	2024-04-21 15:45:42

#	User	Length	Language	Date
1	Kevin Jones	562	C	2021-03-06 20:51:25
2	George Zhang	704	C	2023-10-15 06:37:21
3	Guangyi Zhou	938	C	2025-02-19 18:59:33
4	Bergur Snorrason	1842	C	2022-02-04 19:14:57
5	Arup Ratan Guha	1950	C	2021-11-17 19:13:23

#	User	Length	Language	Date
1	Lawry Sorenson	372	C++	2025-10-02 00:48:39
2	Teikn Smith	399	C++	2024-09-09 23:02:45
3	Ernest Ng Zi Xuan	457	C++	2024-08-22 05:43:11
4	Leo Lee	462	C++	2024-02-20 20:01:16
5	Cameron Custer	468	C++	2022-02-15 02:32:36
6	James Tan	482	C++	2024-11-06 14:11:15
7	Hidden user	497	C++	2022-02-06 19:35:28
8	Vu Hoang Kien	509	C++	2022-02-06 13:01:36
9	Dmitry Lyubshin	510	C++	2023-04-03 18:20:44
10	Peter Jin	518	C++	2024-04-09 21:54:17

#	User	Length	Language	Date
1	Mason Barnhill	608	Haskell	2023-07-30 19:24:17
2	Brent Yorgey	5189	Haskell	2021-05-20 15:21:56

#	User	Length	Language	Date
1	Eric Pinter	693	Java	2021-03-06 20:19:48
2	George Zhang	813	Java	2023-10-15 09:25:45
3	Finn Lidbetter	958	Java	2021-05-23 21:24:52
4	Alexander Day	1019	Java	2024-10-13 18:56:00
5	Quinn Gilbert	1038	Java	2021-03-06 20:09:20
6	Kushal Dandamudi	1040	Java	2021-03-06 20:37:57
7	Yulu Pan	1054	Java	2021-03-06 20:42:42
8	Crystal Sharpe	1173	Java	2021-03-06 20:20:09
9	Siddhant Choudhary	1207	Java	2021-03-07 00:01:21
10	Hoang Bui	1217	Java	2025-11-01 17:45:03

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	486	JavaScript (SpiderMonkey)	2024-06-05 16:31:54
2	Christian Pilegaard Cederquist	659	JavaScript (SpiderMonkey)	2023-08-10 19:31:59

#	User	Length	Language	Date
1	Timothy Gaede	1233	Julia	2024-08-21 10:06:11

#	User	Length	Language	Date
1	Sam Keyser	1037	Kotlin	2022-03-25 16:25:17
2	Jacob Huebner	1249	Kotlin	2021-09-15 17:48:36

#	User	Length	Language	Date
1	Andreas Björklund	433	Python 2	2021-05-21 06:56:29

#	User	Length	Language	Date
1	Benjamin Z White	164	Python 3	2023-06-29 02:32:59
2	Munir Kudrati-Plummer	180	Python 3	2024-11-07 23:08:22
3	Steinar Simonnes	193	Python 3	2023-03-17 14:55:59
4	Magnus Hokland Hegdahl	199	Python 3	2023-03-13 03:18:38
5	Shashank Bhatt	201	Python 3	2024-09-03 03:22:41
6	George Zhang	208	Python 3	2023-10-05 00:58:11
7	Yong Mao	215	Python 3	2023-07-20 18:47:51
8	George Zhang	239	Python 3	2023-10-07 01:36:19
9	Wilbert Chu	240	Python 3	2024-11-06 02:58:06
10	Kelly Dance	267	Python 3	2023-01-14 22:53:26

#	User	Length	Language	Date
1	Thomas Feld	119	Ruby	2023-08-07 10:43:53

#	User	Length	Language	Date
1	Artur Khuziakhmetov	508	Rust	2025-02-03 12:18:10
2	Daniel Liland	1114	Rust	2023-04-11 17:19:06
3	Rolf Martin Glomsrud	1338	Rust	2023-04-11 17:59:04
4	Otakar Hirs	1361	Rust	2023-04-08 21:36:51
5	Vincent Lagerros	16656	Rust	2024-09-21 13:00:15

#	User	Length	Language	Date
1	Hidden user	680	Swift	2024-04-21 15:45:42

Solution running time distribution