Problem AA
Join Strings — Problem Statistics

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Submissions	7872
Accepted submissions	783
Submission ratio	9.95%
Authors	703
Full solves [?]	542
Full solve Ratio	77.10%

#	User	Runtime	Language	Date
1	Kyle Heller	0.04 s	C	2023-01-19 00:04:03
2	Tony Xu	0.04 s	C	2025-01-23 18:12:01
3	Logan Hickok-Dickson	0.05 s	C	2023-01-17 20:29:58
4	Avanish Mallya	0.05 s	C	2026-01-22 06:52:55
5	Kaya Tacer	0.11 s	C	2025-08-29 21:04:49
6	Samuel Deutsch	0.14 s	C	2020-10-01 07:49:12

#	User	Runtime	Language	Date
1	Jeremy Brien	0.03 s	C++	2021-02-14 22:40:37
2	Devin Qu	0.03 s	C++	2021-09-23 01:37:59
3	Karthik Menon	0.03 s	C++	2022-01-14 23:34:12
4	Arnav	0.03 s	C++	2022-01-17 18:06:54
5	Jason Gong	0.03 s	C++	2022-01-18 18:30:56
6	Hidden user	0.03 s	C++	2022-01-18 23:24:08
7	Paola Masiel Rijo Martínez	0.03 s	C++	2022-01-20 01:11:24
8	Ryan Doan	0.03 s	C++	2022-08-30 01:52:02
9	Hamilton Wang	0.03 s	C++	2022-08-31 00:20:25
10	Visa Thongdee	0.03 s	C++	2022-08-31 23:17:03

#	User	Runtime	Language	Date
1	Thomas Ashcraft	0.09 s	C++ with Memory Check	2025-09-02 19:17:06

#	User	Runtime	Language	Date
1	Jack Smith	0.19 s	Java	2026-01-18 22:50:57
2	Ashwin Chintalapati	0.20 s	Java	2025-01-20 23:45:12
3	Elaine Huang	0.21 s	Java	2024-08-30 06:37:32
4	Leon Wang	0.21 s	Java	2024-08-31 23:23:12
5	Alan Bare	0.22 s	Java	2020-09-29 19:40:50
6	Joshua Chang	0.22 s	Java	2022-01-20 21:07:45
7	Junpei Ma	0.23 s	Java	2021-02-26 03:33:30
8	Daniel Kun Zhang	0.24 s	Java	2025-01-24 02:27:28
9	Sean Zhang	0.25 s	Java	2022-01-14 01:44:25
10	Eric Xiao	0.25 s	Java	2022-01-19 23:00:32

#	User	Runtime	Language	Date
1	Jacob Selbo	0.49 s	Kotlin	2026-01-17 22:22:06

#	User	Runtime	Language	Date
1	Nishka Awasthi	0.20 s	Python 2	2022-09-07 05:49:18

#	User	Runtime	Language	Date
1	Tri Vo	0.08 s	Python 3	2026-01-22 11:59:52
2	Yash Aggarwal	0.09 s	Python 3	2025-08-28 04:02:42
3	Keisuke Alexander Nakamura	0.09 s	Python 3	2025-09-01 05:03:20
4	Hidden user	0.10 s	Python 3	2024-12-06 02:54:31
5	Yuting Xiao	0.10 s	Python 3	2025-01-24 05:50:35
6	Aagam Bapna	0.10 s	Python 3	2025-09-04 22:40:07
7	Yana Shah	0.10 s	Python 3	2026-01-22 04:46:12
8	Cooper Lay	0.11 s	Python 3	2025-09-21 22:49:48
9	Steven Widjaja	0.12 s	Python 3	2025-01-22 03:29:40
10	Anuj Shah	0.12 s	Python 3	2026-01-19 19:04:47

#	User	Runtime	Language	Date
1	Michael Gu	0.12 s	Python 3 with NumPy	2023-01-18 22:30:23
2	Ryan Tanaka	0.16 s	Python 3 with NumPy	2024-09-16 19:13:53
3	Bautista Tedin	0.16 s	Python 3 with NumPy	2025-01-24 01:25:50
4	Hidden user	0.16 s	Python 3 with NumPy	2025-09-01 06:03:07
5	Gilbert Hsu	0.17 s	Python 3 with NumPy	2023-08-28 19:03:44
6	Andrew Tan	0.25 s	Python 3 with NumPy	2024-01-12 22:49:22
7	Hyun Eric Kang	0.27 s	Python 3 with NumPy	2023-09-05 07:35:19
8	Aadi Biyani	0.39 s	Python 3 with NumPy	2025-08-31 00:56:48
9	Abhiram Dasari	0.50 s	Python 3 with NumPy	2025-09-05 01:45:30

#	User	Runtime	Language	Date
1	Lukas Dutrieux	0.04 s	Rust	2025-08-29 18:09:47
2	Bhavesh Pareek	0.07 s	Rust	2022-08-26 06:04:10
3	Daniel Benes-Magana	0.07 s	Rust	2024-01-15 21:59:58
4	Eric Park	0.92 s	Rust	2025-01-16 17:59:30
5	Mikail Khan	0.93 s	Rust	2022-01-14 02:28:42

#	User	Length	Language	Date
1	Kyle Heller	502	C	2023-01-19 02:47:02
2	Tony Xu	1407	C	2025-01-23 18:12:01
3	Avanish Mallya	1522	C	2026-01-22 06:52:55
4	Samuel Deutsch	1549	C	2020-10-01 07:49:12
5	Kaya Tacer	1629	C	2025-08-29 21:12:16
6	Logan Hickok-Dickson	2038	C	2023-01-17 20:29:58

#	User	Length	Language	Date
1	Biel Carvalho	494	C++	2022-11-28 15:44:02
2	Trung Dang	524	C++	2020-05-21 22:25:21
3	Leo Lee	534	C++	2025-01-17 01:27:27
4	Tobi Ola	552	C++	2020-02-20 23:54:56
5	Noah Pien	562	C++	2026-01-20 03:51:22
6	Christopher Lin	603	C++	2020-09-28 00:08:38
7	Kyle Zheng	624	C++	2020-10-01 02:58:04
8	James Tan	636	C++	2024-01-12 02:52:32
9	Owen Eckart	644	C++	2021-09-26 23:05:45
10	Hidden user	653	C++	2026-01-20 19:19:55

#	User	Length	Language	Date
1	Thomas Ashcraft	1643	C++ with Memory Check	2025-09-02 19:17:06

#	User	Length	Language	Date
1	Ninghui Li	815	Java	2020-02-16 04:20:56
2	Saisuvan Chikyala	1215	Java	2020-02-24 08:44:58
3	Peter Jin	1215	Java	2022-09-09 02:20:35
4	Andrew Xiao	1227	Java	2024-09-14 07:52:40
5	Aryan	1248	Java	2025-09-05 04:42:56
6	Abhinav Dusi	1328	Java	2021-09-24 06:17:54
7	Yatin Kukreja	1344	Java	2023-01-18 18:25:41
8	Yash Bapat	1354	Java	2025-09-04 00:19:51
9	Hidden user	1362	Java	2024-01-12 21:41:53
10	Shivanya	1388	Java	2025-09-15 02:45:05

#	User	Length	Language	Date
1	Jacob Selbo	6379	Kotlin	2026-01-17 22:22:06

#	User	Length	Language	Date
1	Nishka Awasthi	1822	Python 2	2022-09-07 05:49:18

#	User	Length	Language	Date
1	Wilbert	167	Python 3	2026-01-16 20:37:03
2	Pedro Sugiyama	200	Python 3	2024-08-30 05:54:57
3	Charles Chen	254	Python 3	2024-08-28 03:18:55
4	Tanishq Pauskar	300	Python 3	2026-01-18 21:52:29
5	Munir Kudrati-Plummer	334	Python 3	2024-08-29 23:52:44
6	Ethan Chen	360	Python 3	2026-01-18 05:17:39
7	Jayden Lee	410	Python 3	2025-09-04 21:54:52
8	Unumunkh Balgansuren	425	Python 3	2020-02-23 13:05:40
9	OJ Chaturvedi	445	Python 3	2025-09-05 04:14:06
10	Manas Srivastava	478	Python 3	2022-09-01 23:20:40

#	User	Length	Language	Date
1	Bautista Tedin	699	Python 3 with NumPy	2025-01-24 01:25:50
2	Michael Gu	758	Python 3 with NumPy	2023-01-18 22:30:23
3	Ryan Tanaka	816	Python 3 with NumPy	2024-09-16 19:13:53
4	Gilbert Hsu	853	Python 3 with NumPy	2023-08-28 19:03:44
5	Abhiram Dasari	961	Python 3 with NumPy	2025-09-05 01:45:30
6	Hyun Eric Kang	1051	Python 3 with NumPy	2023-09-05 07:35:19
7	Andrew Tan	1316	Python 3 with NumPy	2024-01-12 22:49:22
8	Aadi Biyani	1581	Python 3 with NumPy	2025-08-31 00:56:48
9	Hidden user	1602	Python 3 with NumPy	2025-09-01 06:03:07

#	User	Length	Language	Date
1	Mikail Khan	872	Rust	2022-01-14 02:28:42
2	Daniel Benes-Magana	1240	Rust	2024-01-15 21:59:58
3	Bhavesh Pareek	1367	Rust	2022-08-26 06:04:10
4	Lukas Dutrieux	1396	Rust	2025-08-29 18:09:47
5	Eric Park	2802	Rust	2025-01-16 17:59:30

Solution running time distribution