Problem A
I Can Guess the Data Structure! — Problem Statistics

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Submissions	2146
Accepted submissions	652
Submission ratio	30.38%
Authors	554
Accepted authors	528
Author ratio	95.31%

#	User	Runtime	Language	Date
1	Nathan Andrews	0.10 s	C#	2024-09-02 02:45:35

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C++	2018-01-29 02:33:30
2	Chase Hinesman	0.01 s	C++	2018-01-29 19:05:52
3	Joshua Duncan	0.01 s	C++	2018-01-31 22:44:29
4	Jonathan Grimes	0.01 s	C++	2018-02-09 05:54:54
5	Tanner Hoke	0.01 s	C++	2019-01-26 07:48:19
6	Siru Li	0.01 s	C++	2019-01-31 09:48:03
7	Adarsh Koka	0.01 s	C++	2019-02-01 20:10:27
8	Julio Maldonado	0.01 s	C++	2019-02-01 20:59:19
9	Taylor Gray	0.01 s	C++	2020-01-25 04:20:38
10	Hidden user	0.01 s	C++	2020-02-02 00:15:25

#	User	Runtime	Language	Date
1	Mark Sturtevant	0.22 s	Java	2022-02-01 21:45:15
2	Hidden user	0.29 s	Java	2021-02-04 04:51:29
3	Hidden user	0.30 s	Java	2018-02-01 03:22:03
4	Hidden user	0.30 s	Java	2023-02-06 03:03:55
5	Jeffrey Formica	0.32 s	Java	2023-02-05 19:20:57
6	Alan Zhou	0.33 s	Java	2025-01-27 07:32:47
7	Aman Gottumukkala	0.34 s	Java	2019-02-01 20:46:45
8	Adil Rasiyani	0.36 s	Java	2023-02-06 01:59:21
9	Alan Perez	0.37 s	Java	2023-02-01 22:51:36
10	Rohan Agrawal	0.43 s	Java	2020-02-02 05:00:07

#	User	Runtime	Language	Date
1	Stephanie Keck	0.78 s	JavaScript (Node.js)	2020-01-31 02:23:58

#	User	Runtime	Language	Date
1	Caleb Austin	0.07 s	Lua	2024-09-08 01:31:53

#	User	Runtime	Language	Date
1	Joseph Chau	0.01 s	Pascal	2024-01-30 10:36:59

#	User	Runtime	Language	Date
1	Hidden user	0.11 s	Python 3	2025-01-29 17:38:02
2	Tyler Durden	0.12 s	Python 3	2018-01-29 20:01:37
3	Hidden user	0.13 s	Python 3	01:05:29
4	Shubham Kalyani	0.14 s	Python 3	2025-01-27 22:39:38
5	Hidden user	0.15 s	Python 3	2019-01-31 15:53:32
6	Mahir Khan	0.15 s	Python 3	2022-01-30 17:55:29
7	Hidden user	0.15 s	Python 3	2023-02-03 12:56:56
8	Hidden user	0.15 s	Python 3	2023-02-06 00:04:02
9	Hidden user	0.15 s	Python 3	2024-02-03 19:16:39
10	Yasir Yilmazcoban	0.15 s	Python 3	2025-01-28 02:35:10

#	User	Runtime	Language	Date
1	Farris Rizwan	0.09 s	Python 3 with NumPy	2025-01-29 23:57:07
2	William Park	0.20 s	Python 3 with NumPy	2023-01-31 23:40:20
3	Ethan	0.20 s	Python 3 with NumPy	2024-01-30 21:39:19
4	Breck Ortiz	0.24 s	Python 3 with NumPy	2025-01-29 22:15:46
5	Macy Drew	0.28 s	Python 3 with NumPy	2023-02-06 06:46:05
6	Samuel Smith	0.32 s	Python 3 with NumPy	2023-02-04 02:22:03
7	Hidden user	0.54 s	Python 3 with NumPy	2023-02-06 07:12:31
8	Hidden user	0.61 s	Python 3 with NumPy	2024-01-27 21:06:46

#	User	Length	Language	Date
1	Nathan Andrews	1735	C#	2024-09-02 02:45:35

#	User	Length	Language	Date
1	Reginald Frank	786	C++	2019-02-02 18:22:06
2	Chase Hinesman	843	C++	2018-01-29 19:05:52
3	Dhruv Patel	960	C++	2022-02-01 18:44:25
4	Nathan Mandell	1019	C++	2019-01-28 23:22:41
5	Hidden user	1023	C++	2022-02-06 01:37:36
6	Jeremy Brown	1027	C++	2019-01-30 20:10:07
7	Hidden user	1057	C++	2021-02-05 20:44:31
8	Hidden user	1080	C++	2019-01-31 07:06:30
9	Presley Graham	1083	C++	2021-02-03 23:28:00
10	Nghiep Chinh Luu	1093	C++	2020-01-27 21:05:43

#	User	Length	Language	Date
1	Nathan Leake	1647	Java	2017-04-29 00:53:41
2	Thomas Bolf	1684	Java	2025-01-30 17:31:46
3	Kevin Dai	1786	Java	2024-01-28 06:20:50
4	Jeffrey Formica	1798	Java	2023-02-04 23:20:22
5	Aman Gottumukkala	1889	Java	2019-02-01 20:46:45
6	Brendan Ehrman	2000	Java	2022-01-30 00:36:46
7	Hidden user	2060	Java	2021-02-03 00:08:16
8	Derrick Galindo	2063	Java	2021-02-03 18:26:13
9	Rohan Agrawal	2258	Java	2020-02-02 05:00:07
10	Hidden user	2302	Java	2018-01-30 20:30:03

#	User	Length	Language	Date
1	Stephanie Keck	12796	JavaScript (Node.js)	2020-01-31 02:23:58

#	User	Length	Language	Date
1	Caleb Austin	2630	Lua	2024-09-08 01:31:53

#	User	Length	Language	Date
1	Joseph Chau	4130	Pascal	2024-01-30 10:36:59

#	User	Length	Language	Date
1	Matthew Mar	921	Python 3	2024-09-03 01:39:37
2	Grant Ballard	924	Python 3	2019-01-29 00:13:26
3	Lex Kilpatrick	1038	Python 3	2025-01-25 22:48:54
4	Muhammad Nauman	1118	Python 3	2021-02-07 05:49:47
5	Eduardo Alvarez Hernandez	1128	Python 3	2025-01-29 22:22:36
6	Hidden user	1130	Python 3	2023-02-06 00:04:02
7	Hidden user	1139	Python 3	2020-02-02 01:17:12
8	Hidden user	1141	Python 3	2023-02-05 01:44:35
9	Andrew Lin	1150	Python 3	2024-02-01 10:08:43
10	Olin Zhou	1158	Python 3	2021-02-03 21:34:16

#	User	Length	Language	Date
1	William Park	1391	Python 3 with NumPy	2023-01-31 23:40:20
2	Hidden user	1508	Python 3 with NumPy	2023-02-06 07:12:31
3	Ethan	1621	Python 3 with NumPy	2024-01-30 21:39:19
4	Farris Rizwan	1631	Python 3 with NumPy	2025-01-29 23:58:44
5	Hidden user	1715	Python 3 with NumPy	2024-01-27 21:06:46
6	Breck Ortiz	1836	Python 3 with NumPy	2025-01-29 22:15:46
7	Macy Drew	2217	Python 3 with NumPy	2023-02-06 06:46:05
8	Samuel Smith	2301	Python 3 with NumPy	2023-02-04 02:22:03

Solution running time distribution