Problem A
Join Strings — Problem Statistics

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Submissions	52566
Accepted submissions	7145
Submission ratio	13.59%
Authors	5330
Full solves [?]	4749
Full solve Ratio	89.10%

#	User	Runtime	Language	Date
1	Chen Shenghao	0.02 s	C	2019-09-27 13:23:15

#	User	Runtime	Language	Date
1	Guk Yi Siong	0.01 s	C++	2023-09-15 19:59:27
2	Chen Shenghao	0.02 s	C++	2019-09-27 07:07:10
3	Ben Wu	0.02 s	C++	2020-02-24 20:02:22
4	Zhang Jikun	0.02 s	C++	2022-07-14 12:05:13
5	Wang Zhi Jian	0.03 s	C++	2019-03-26 14:00:28
6	Hidden user	0.03 s	C++	2019-03-26 16:31:11
7	Le Hong Long	0.03 s	C++	2019-03-26 19:41:37
8	Li Hong Sheng Gabriel	0.03 s	C++	2019-03-29 11:37:26
9	Hidden user	0.03 s	C++	2019-08-29 18:00:04
10	Peh Yu Xiang	0.03 s	C++	2020-02-16 09:17:44

#	User	Runtime	Language	Date
1	Joash Chin Synn Khee	0.07 s	Haskell	2019-08-06 16:54:46

#	User	Runtime	Language	Date
1	Guk Yi Siong	0.15 s	Java	2023-09-25 11:48:23
2	Isaac Tay Zhi Xian	0.18 s	Java	2022-07-18 10:50:49
3	Chen Shenghao	0.19 s	Java	2019-09-27 06:09:39
4	TAN LIANG, BRIGHTON	0.23 s	Java	2024-09-24 14:18:18
5	Ang Peng Seng	0.25 s	Java	2019-09-25 17:48:47
6	Ng Hong Liang	0.31 s	Java	2021-09-28 00:15:09
7	Tan Ka Shing	0.31 s	Java	2021-09-28 00:30:43
8	Soo Qi Xuan Ian	0.32 s	Java	2020-09-27 06:45:02
9	Srivathsan Amruth	0.32 s	Java	2021-02-19 10:38:53
10	Hidden user	0.32 s	Java	2021-02-26 11:42:11

#	User	Runtime	Language	Date
1	Hidden user	0.65 s	Kotlin	2019-07-14 11:36:51

#	User	Runtime	Language	Date
1	TANG QIANTING	0.09 s	Python 3	2026-02-25 20:49:14
2	Nan Xiao	0.09 s	Python 3	2026-02-28 06:54:11
3	Ma Rundi	0.09 s	Python 3	2026-03-01 08:51:50
4	CHANG KAI-JIE	0.09 s	Python 3	2026-03-02 09:33:57
5	DENG ZHIYANG	0.09 s	Python 3	2026-03-02 17:03:57
6	GAO QI	0.09 s	Python 3	2026-03-03 09:31:00
7	Hidden user	0.09 s	Python 3	2026-03-03 10:18:46
8	Hidden user	0.09 s	Python 3	2026-03-03 19:06:57
9	Pengxiang Xia	0.09 s	Python 3	2026-03-04 08:13:32
10	Hidden user	0.10 s	Python 3	2026-02-23 16:08:19

#	User	Length	Language	Date
1	Chen Shenghao	1035	C	2019-09-28 08:07:58

#	User	Length	Language	Date
1	Guk Yi Siong	277	C++	2024-01-07 18:06:11
2	Kok Seng Chiew	368	C++	2019-04-24 16:09:44
3	Ammar Fathin Sabili	414	C++	2019-04-01 07:28:23
4	Hidden user	418	C++	2021-07-24 17:27:10
5	Liu Peize	426	C++	2019-04-02 06:05:19
6	Low Xi Zhi	434	C++	2019-09-17 05:52:18
7	Yan Bo Pei	436	C++	2019-04-23 05:31:45
8	Muhammad Ashraf Bin Mohamad Jaffar	440	C++	2021-01-29 10:59:37
9	Ryan Tan	440	C++	2022-10-22 21:30:37
10	Owen Wijaya	441	C++	2022-02-14 03:38:18

#	User	Length	Language	Date
1	Joash Chin Synn Khee	1496	Haskell	2019-08-06 16:54:46

#	User	Length	Language	Date
1	Lew Choon Hean	693	Java	2024-09-24 18:14:36
2	Tan Yi Long	755	Java	2024-09-11 15:44:49
3	Bryan Wang Peng Jun	810	Java	2020-09-15 05:06:22
4	Shielda Kamilia Hidajat	893	Java	2023-10-04 03:20:42
5	LI YUXIN	927	Java	2021-03-01 17:44:42
6	Li Haotian	954	Java	2020-03-02 17:33:44
7	Hidden user	983	Java	2019-07-14 15:19:32
8	Lee Ren Jie, Samuel	992	Java	2023-07-05 16:00:12
9	Li Xinyu	995	Java	2025-02-24 04:57:44
10	Luo Bingqiao	998	Java	2019-09-19 19:02:00

#	User	Length	Language	Date
1	Hidden user	1673	Kotlin	2019-07-14 11:21:02

#	User	Length	Language	Date
1	Isaac Tay Zhi Xian	221	Python 3	2024-02-23 10:42:21
2	CHEN LIUYI	322	Python 3	2026-02-24 06:51:08
3	Li Jiaru	396	Python 3	2026-02-21 05:54:57
4	Li Gaojie	431	Python 3	2026-03-01 06:48:03
5	Rajkumar Muthachari	446	Python 3	2026-02-23 04:11:20
6	Hidden user	453	Python 3	2026-03-03 19:06:57
7	wang hui	459	Python 3	2026-03-01 06:25:49
8	Tong Yicheng	464	Python 3	2026-03-03 12:05:11
9	Richard Lee	467	Python 3	2019-07-12 18:53:18
10	Leong Heng Yew	467	Python 3	2021-11-07 14:33:52

Solution running time distribution