Problem A
Cheating Students — Problem Statistics

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Submissions	723
Accepted submissions	387
Submission ratio	53.53%
Authors	345
Full solves [?]	304
Full solve Ratio	88.12%

#	User	Runtime	Language	Date
1	Dan Bugnariu	6.70 s	C	2022-07-09 09:45:44

#	User	Runtime	Language	Date
1	Andriy Zyevakov	1.90 s	C#	2022-08-03 12:27:29

#	User	Runtime	Language	Date
1	Viraj Maddur	0.01 s	C++	2021-05-22 19:36:49
2	Andrew Polizzotto	0.01 s	C++	2023-05-09 21:33:45
3	Colin Galen	0.02 s	C++	2021-05-22 19:39:47
4	Justin Wu	0.02 s	C++	2021-05-22 19:51:31
5	Dean Sheng	0.02 s	C++	2021-05-22 20:17:50
6	Triet Vo	0.02 s	C++	2021-05-22 21:22:33
7	Dmitry Lyubshin	0.02 s	C++	2023-04-08 19:05:34
8	Yu-Chen Chan	0.02 s	C++	2024-04-05 06:23:31
9	Linh Nguyen	0.02 s	C++	2024-05-10 20:53:29
10	Yury Pisarchyk	0.03 s	C++	2021-05-22 19:41:00

#	User	Runtime	Language	Date
1	Norbert Voelker	1.14 s	Go	2022-06-05 20:51:54

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.88 s	Haskell	2024-12-13 15:58:14

#	User	Runtime	Language	Date
1	Isaac Lee	0.17 s	Java	2022-06-16 02:19:24
2	Tamonash Chakraborty	0.18 s	Java	2021-05-22 20:12:37
3	Markus Bao	0.19 s	Java	2025-11-04 13:37:05
4	Doug Goodman	0.20 s	Java	2023-04-07 18:20:11
5	Taylor Richins	0.25 s	Java	2023-02-03 22:48:05
6	Andrew Lyem	0.25 s	Java	2024-01-25 22:16:50
7	Simon Flenman	0.26 s	Java	2025-01-16 14:55:49
8	Hidden user	0.36 s	Java	2025-01-02 18:09:31
9	Edin Jahic	0.36 s	Java	2025-01-07 14:09:25
10	Eric Leow Yu Quan	0.37 s	Java	2022-11-22 15:16:39

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.55 s	JavaScript (SpiderMonkey)	2022-05-30 13:49:27
2	Christian Pilegaard Cederquist	1.48 s	JavaScript (SpiderMonkey)	2023-06-04 12:35:59

#	User	Runtime	Language	Date
1	Jacob Huebner	0.28 s	Kotlin	2021-05-22 19:43:16

#	User	Runtime	Language	Date
1	Joar Eliasson	0.14 s	Python 3	2025-10-16 13:26:06
2	Tristan Curtis	0.14 s	Python 3	2025-12-02 02:34:10
3	Jiaming Kong	0.15 s	Python 3	2025-08-06 20:55:38
4	John Trovato	0.15 s	Python 3	2025-12-06 02:21:33
5	Ahmed Chamseddine	0.16 s	Python 3	2025-06-09 19:13:24
6	Nhự Nương Họ Vũ	0.18 s	Python 3	2025-03-25 04:19:05
7	Ryan Tan	0.20 s	Python 3	2022-08-30 20:17:32
8	Devon Kennedy	0.21 s	Python 3	2025-10-21 01:03:35
9	Andrew Tan	0.25 s	Python 3	2024-04-04 01:16:58
10	Alexander Fleming	0.26 s	Python 3	2025-02-01 11:25:18

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-11-17 01:10:10
2	Bas Dirks	0.06 s	Rust	2022-06-01 18:12:20
3	Ng Tek In	0.76 s	Rust	2023-09-16 17:40:06

#	User	Length	Language	Date
1	Dan Bugnariu	1118	C	2022-07-09 09:45:44

#	User	Length	Language	Date
1	Andriy Zyevakov	9003	C#	2022-08-03 12:27:29

#	User	Length	Language	Date
1	Dmitry Lyubshin	574	C++	2023-04-08 19:05:34
2	Yury Pisarchyk	595	C++	2021-05-22 19:41:00
3	David Zheng	693	C++	2021-05-22 20:03:08
4	Zhuolin Yang	729	C++	2021-05-22 21:22:33
5	Hidden user	776	C++	2022-06-19 12:31:21
6	Justin Wu	789	C++	2021-05-22 19:51:31
7	Anand John	791	C++	2021-05-22 19:47:33
8	Yen-Hsiang Chang	806	C++	2021-05-22 19:38:49
9	Brandon Zhang	808	C++	2021-05-22 19:52:19
10	Jesús Pacheco Alonso	810	C++	2024-11-24 13:45:20

#	User	Length	Language	Date
1	Norbert Voelker	5064	Go	2022-06-05 20:51:54

#	User	Length	Language	Date
1	Steinar Simonnes	2747	Haskell	2024-12-13 16:01:18

#	User	Length	Language	Date
1	Doug Goodman	1166	Java	2023-04-07 18:20:11
2	David Sturgill	1407	Java	2025-01-14 00:30:56
3	Christian Goga	1437	Java	2025-01-14 00:42:38
4	Tamonash Chakraborty	1445	Java	2021-05-22 20:12:37
5	Josh Henderson	1445	Java	2023-04-09 03:14:34
6	Crystal Sharpe	1528	Java	2022-06-15 02:01:39
7	Chris Gittings	1564	Java	2023-07-21 17:27:18
8	Mohammad Naufal Hazim Bin Saharudin	1566	Java	2025-05-27 13:57:23
9	Isaac Lee	1587	Java	2022-06-16 02:19:24
10	Jonathan Guo	1594	Java	2021-05-22 19:44:13

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	2472	JavaScript (SpiderMonkey)	2023-06-04 12:35:59
2	Bjørn Chr. Soltvedt	19445	JavaScript (SpiderMonkey)	2022-05-30 13:49:27

#	User	Length	Language	Date
1	Jacob Huebner	1784	Kotlin	2021-05-22 19:43:16

#	User	Length	Language	Date
1	André Woxell	287	Python 3	2025-10-06 18:02:22
2	Michael Goldwasser	309	Python 3	2025-11-21 07:12:37
3	Nino Bašić	329	Python 3	2023-01-11 11:56:28
4	Joar Eliasson	335	Python 3	2025-10-19 15:01:33
5	Ahmed Chamseddine	371	Python 3	2025-06-09 19:13:24
6	George Zhang	412	Python 3	2024-11-30 19:27:56
7	Peter Stauder	424	Python 3	2022-09-04 08:40:03
8	Yong Mao	443	Python 3	2024-08-22 01:58:47
9	Peter Ton	450	Python 3	2024-11-30 20:06:58
10	Zach Tschetter	505	Python 3	2023-04-11 20:08:00

#	User	Length	Language	Date
1	Ng Tek In	1217	Rust	2023-09-16 17:46:42
2	Bas Dirks	1235	Rust	2022-06-01 18:12:20
3	Vincent Lagerros	19003	Rust	2024-11-16 19:40:57

Solution running time distribution