Problem A
ACM Contest Scoring — Problem Statistics

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Submissions	1378
Accepted submissions	582
Submission ratio	42.24%
Authors	551
Accepted authors	540
Author ratio	98.00%

#	User	Runtime	Language	Date
1	Jayant Notani	0.02 s	C#	2020-01-17 19:01:27
2	Nathan Andrews	0.05 s	C#	2024-08-20 22:16:41

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C++ with Memory Check	2025-01-16 05:21:28

#	User	Runtime	Language	Date
1	Kevin Dai	0.10 s	Java	2024-01-17 22:30:07
2	Xiangqi Jiang	0.11 s	Java	2021-01-22 04:08:24
3	Mark Sturtevant	0.11 s	Java	2022-01-20 07:37:21
4	Dhruv Patel	0.13 s	Java	2020-01-14 00:50:26
5	An Quoc Duong	0.13 s	Java	2024-01-17 22:30:10
6	Bryan Lijia Yan	0.13 s	Java	2024-01-19 06:18:39
7	Rohan Agrawal	0.14 s	Java	2020-01-16 08:19:20
8	Hidden user	0.14 s	Java	2020-07-08 05:23:12
9	Yifan Sun	0.14 s	Java	2021-01-20 17:26:23
10	Derrick Galindo	0.14 s	Java	2021-01-21 05:50:40

#	User	Runtime	Language	Date
1	Stephanie Keck	0.42 s	JavaScript (Node.js)	2020-01-17 06:41:48

#	User	Runtime	Language	Date
1	Yamen Al Masalmeh	0.02 s	Python 3	2019-01-15 00:01:15
2	Hidden user	0.02 s	Python 3	2019-01-15 00:21:48
3	Jeffrey Cordero	0.02 s	Python 3	2019-01-15 02:32:44
4	Jonathan Innis	0.02 s	Python 3	2019-01-15 06:45:30
5	Kevin Kuriachan	0.02 s	Python 3	2019-01-16 00:05:23
6	Krit Gupta	0.02 s	Python 3	2019-01-16 23:41:50
7	Julio Maldonado	0.02 s	Python 3	2019-01-17 02:19:28
8	Benjamin Levinson	0.02 s	Python 3	2019-01-17 19:09:33
9	Hidden user	0.02 s	Python 3	2019-01-18 17:45:22
10	Hidden user	0.02 s	Python 3	2019-03-19 20:28:50

#	User	Runtime	Language	Date
1	William Park	0.05 s	Python 3 with NumPy	2023-01-19 16:55:06
2	Aakash Haran	0.05 s	Python 3 with NumPy	2023-01-19 18:28:10
3	Macy Drew	0.05 s	Python 3 with NumPy	2023-01-20 21:17:46
4	Samuel Smith	0.05 s	Python 3 with NumPy	2023-01-22 06:54:38
5	Hidden user	0.05 s	Python 3 with NumPy	2024-01-18 02:14:36
6	Ethan	0.05 s	Python 3 with NumPy	2024-01-21 03:47:02
7	Hidden user	0.58 s	Python 3 with NumPy	2023-01-24 05:47:07

#	User	Runtime	Language	Date
1	Gabriel Britain	0.00 s	Rust	2019-01-16 18:56:52
2	Mckinley Xie	0.00 s	Rust	2025-01-14 16:47:01

#	User	Length	Language	Date
1	Nathan Andrews	733	C#	2024-08-20 22:16:41
2	Jayant Notani	1583	C#	2020-01-17 19:01:27

#	User	Length	Language	Date
1	Giovanna Kobus Conrado	359	C++	2019-01-21 20:10:22
2	David Asatryan	393	C++	2020-01-14 16:48:11
3	Matthew Tran	403	C++	2020-01-13 23:11:25
4	Hidden user	422	C++	2019-01-18 17:44:02
5	William Henry	442	C++	2021-01-21 00:20:40
6	Jack Lewicki	449	C++	2025-01-16 18:53:40
7	Dhruv Patel	450	C++	2020-01-16 01:43:13
8	Hidden user	459	C++	2021-01-21 00:32:46
9	Joseph Chau	465	C++	2024-01-17 22:27:50
10	Rohan Dhawan	467	C++	2023-01-19 00:54:58

#	User	Length	Language	Date
1	Hidden user	1062	C++ with Memory Check	2025-01-16 05:21:28

#	User	Length	Language	Date
1	Yifan Sun	537	Java	2021-01-20 17:26:23
2	Andrew Wong	645	Java	2020-01-17 10:47:04
3	Bryan Lijia Yan	891	Java	2024-01-19 06:18:39
4	Alan Perez	909	Java	2023-01-19 02:30:29
5	Alec Hubacher	994	Java	2021-01-23 05:58:35
6	Justin John	996	Java	2020-01-17 02:32:11
7	Jeffrey Formica	999	Java	2023-01-21 04:32:00
8	Hidden user	1016	Java	2021-01-22 05:50:24
9	Hidden user	1027	Java	2020-07-08 05:23:12
10	Kevin Dai	1071	Java	2024-01-17 22:30:07

#	User	Length	Language	Date
1	Stephanie Keck	1750	JavaScript (Node.js)	2020-01-17 06:41:48

#	User	Length	Language	Date
1	Jeremy Eastham	146	Python 3	2025-01-17 00:19:50
2	Hidden user	275	Python 3	2021-01-22 21:17:02
3	Isabel Ramirez	288	Python 3	2022-01-21 02:25:07
4	Yifei Liang	296	Python 3	2020-01-14 00:21:02
5	Andrew Pribadi	308	Python 3	2024-01-20 08:32:14
6	Hidden user	309	Python 3	2025-01-17 07:07:58
7	Dongwei Qi	316	Python 3	2021-01-21 01:21:17
8	Olin Zhou	323	Python 3	2021-01-21 00:54:40
9	Krit Gupta	337	Python 3	2019-01-17 01:02:10
10	Adnan Yusuf	339	Python 3	2024-01-18 06:09:32

#	User	Length	Language	Date
1	Aakash Haran	412	Python 3 with NumPy	2023-01-19 18:28:10
2	William Park	434	Python 3 with NumPy	2023-01-19 16:55:06
3	Macy Drew	535	Python 3 with NumPy	2023-01-20 21:17:46
4	Samuel Smith	560	Python 3 with NumPy	2023-01-22 06:54:38
5	Ethan	693	Python 3 with NumPy	2024-01-21 03:47:02
6	Hidden user	718	Python 3 with NumPy	2024-01-18 02:14:36
7	Hidden user	1425	Python 3 with NumPy	2023-01-24 05:47:07

#	User	Length	Language	Date
1	Mckinley Xie	1124	Rust	2025-01-14 16:47:01
2	Gabriel Britain	2528	Rust	2019-01-16 18:56:52

Solution running time distribution