Problem A
Almost Union-Find — Problem Statistics

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Submissions	2712
Accepted submissions	371
Submission ratio	13.68%
Authors	435
Full solves [?]	315
Full solve Ratio	72.41%

#	User	Runtime	Language	Date
1	Nathan Andrews	0.69 s	C#	2024-09-13 00:28:50

#	User	Runtime	Language	Date
1	Alex Labbane	0.08 s	C++	2020-02-05 01:45:09
2	Shravan Kumaran	0.08 s	C++	2020-02-16 04:20:41
3	Adil Rasiyani	0.08 s	C++	2021-02-15 02:10:10
4	Dhruv Patel	0.08 s	C++	2022-02-07 09:28:41
5	Ethan Luo	0.08 s	C++	2022-02-13 05:06:31
6	Kevin Zhang	0.08 s	C++	2025-02-03 18:43:58
7	Hidden user	0.08 s	C++	2025-02-09 04:33:19
8	Chase Hinesman	0.09 s	C++	2018-04-02 21:31:51
9	Kha Le	0.09 s	C++	2023-04-21 23:00:08
10	Pranav Krishnan	0.09 s	C++	2024-02-04 07:07:49

#	User	Runtime	Language	Date
1	Hidden user	0.42 s	C++ with Memory Check	2026-02-08 04:03:50
2	Andrey Pridgen	0.64 s	C++ with Memory Check	2026-02-06 03:45:27

#	User	Runtime	Language	Date
1	Nathan Lee	0.25 s	Go	2025-09-17 03:58:58
2	Gage Howe	0.26 s	Go	2025-09-17 18:32:15

#	User	Runtime	Language	Date
1	Dhruv Patel	0.68 s	Java	2020-02-03 01:48:16
2	Mark Sturtevant	0.77 s	Java	2022-02-13 06:08:56
3	Hidden user	0.93 s	Java	2025-02-09 07:12:31
4	Nathan Leake	1.29 s	Java	2017-02-15 17:12:14
5	Vatsal Mistry	1.85 s	Java	2023-04-22 00:04:33
6	Jordan Lamkin	1.93 s	Java	2017-02-15 23:24:01
7	Fabio Cedric	1.95 s	Java	2025-09-19 00:56:25
8	Hidden user	2.43 s	Java	2021-02-14 01:07:01
9	Sriram Mittal	3.11 s	Java	2022-02-12 09:53:42
10	Kevin Dai	3.11 s	Java	2024-02-06 06:35:38

#	User	Runtime	Language	Date
1	Stephanie Keck	2.17 s	JavaScript (Node.js)	2020-02-16 03:26:45

#	User	Runtime	Language	Date
1	Caleb Austin	0.57 s	Lua	2024-09-16 09:13:48

#	User	Runtime	Language	Date
1	Hidden user	0.30 s	Python 3	2025-09-27 05:27:41
2	Hidden user	0.30 s	Python 3	2026-02-08 06:24:08
3	Hidden user	0.31 s	Python 3	2025-02-07 21:09:37
4	Susan Hamilton	0.33 s	Python 3	2026-02-07 23:53:25
5	Aarya Bookseller	0.36 s	Python 3	2026-02-05 19:04:31
6	Charles Rothrock	0.40 s	Python 3	2022-02-10 00:02:43
7	Yifei Liang	0.41 s	Python 3	2021-02-08 03:31:53
8	Vishnu Nayak	0.41 s	Python 3	2026-02-08 00:19:41
9	Hidden user	0.44 s	Python 3	2025-02-07 05:52:01
10	Laith Bohsali	0.45 s	Python 3	2025-02-05 00:54:21

#	User	Runtime	Language	Date
1	Mckinley Xie	0.13 s	Rust	2025-02-06 19:49:58
2	Matthew Staton	0.21 s	Rust	2025-09-17 07:27:50
3	Otokini Cotterell	0.26 s	Rust	2026-02-07 20:18:34

#	User	Length	Language	Date
1	Nathan Andrews	2790	C#	2024-09-13 00:28:50

#	User	Length	Language	Date
1	Isaac Chacko	1262	C++	2026-02-08 05:41:29
2	Eric Li	1345	C++	2025-02-09 00:43:46
3	Chase Hinesman	1392	C++	2018-04-02 21:28:06
4	Jason Hsu	1396	C++	2022-02-09 06:26:42
5	Hidden user	1398	C++	2025-02-09 04:33:19
6	Youran Shen	1401	C++	2026-02-07 18:24:54
7	Blake Olson	1441	C++	2024-02-08 19:56:54
8	Anthony Teo	1455	C++	2020-02-06 20:36:37
9	Tran Lam	1459	C++	2025-02-02 23:57:25
10	Austin Kollar	1460	C++	2021-02-28 02:02:13

#	User	Length	Language	Date
1	Hidden user	2229	C++ with Memory Check	2026-02-08 04:03:50
2	Andrey Pridgen	2734	C++ with Memory Check	2026-02-06 03:45:27

#	User	Length	Language	Date
1	Gage Howe	1874	Go	2025-09-17 18:32:15
2	Nathan Lee	2405	Go	2025-09-17 03:58:58

#	User	Length	Language	Date
1	Jordan Lamkin	1504	Java	2017-02-15 23:24:01
2	Nathan Leake	1882	Java	2017-02-15 17:12:14
3	Sriram Mittal	2755	Java	2022-02-12 09:53:42
4	Kevin Dai	3558	Java	2024-02-06 06:35:38
5	Mark Sturtevant	4111	Java	2022-02-13 06:08:56
6	Vatsal Mistry	4237	Java	2023-04-22 00:04:33
7	Dhruv Patel	4297	Java	2020-02-03 01:48:16
8	Hidden user	4572	Java	2025-02-09 07:12:31
9	Hidden user	5197	Java	2021-02-14 01:07:01
10	Fabio Cedric	6180	Java	2025-09-19 00:56:25

#	User	Length	Language	Date
1	Stephanie Keck	13063	JavaScript (Node.js)	2020-02-16 03:26:45

#	User	Length	Language	Date
1	Caleb Austin	2120	Lua	2024-09-16 09:13:48

#	User	Length	Language	Date
1	Isaac Xu	1138	Python 3	2026-02-06 07:20:43
2	Hidden user	1153	Python 3	2023-04-30 05:56:39
3	Hidden user	1235	Python 3	2022-02-13 05:40:11
4	Brandon Yuan	1261	Python 3	2026-02-11 01:52:53
5	Hidden user	1336	Python 3	2023-04-25 17:51:41
6	Hidden user	1390	Python 3	2025-02-08 02:37:50
7	Jacob Hamilton	1415	Python 3	2021-02-14 01:23:48
8	Aayush Garg	1419	Python 3	2024-02-15 20:31:52
9	Hidden user	1445	Python 3	2026-02-07 22:56:19
10	Hidden user	1447	Python 3	2026-02-08 05:36:35

#	User	Length	Language	Date
1	Mckinley Xie	3651	Rust	2025-02-06 19:49:58
2	Otokini Cotterell	3786	Rust	2026-02-07 20:18:34
3	Matthew Staton	5061	Rust	2025-09-17 07:27:50

Solution running time distribution