Problem A
Bracket Matching — Problem Statistics

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Submissions	4426
Accepted submissions	1622
Submission ratio	36.65%
Authors	1293
Full solves [?]	1282
Full solve Ratio	99.15%

#	User	Runtime	Language	Date
1	Travis Tan	0.06 s	Java	2025-09-19 04:16:14
2	Yeo Zhi Yuan	0.06 s	Java	2025-09-19 05:51:49
3	Lin Junkai, Christopher	0.06 s	Java	2025-09-19 08:20:06
4	Shu Changhao	0.06 s	Java	2025-09-19 11:29:55
5	NEO WEI YOUNG	0.07 s	Java	2025-09-19 02:46:00
6	Siew Yong Zheng	0.07 s	Java	2025-09-19 03:20:00
7	Khoo Tze Xuan	0.07 s	Java	2025-09-19 04:00:01
8	Hidden user	0.07 s	Java	2025-09-19 04:50:07
9	Nate Lim Shu Yee	0.07 s	Java	2025-09-19 04:51:23
10	Davidson Chua	0.07 s	Java	2025-09-19 06:26:40

#	User	Runtime	Language	Date
1	Wu Bozheng	0.05 s	Python 3	2022-10-19 03:50:21
2	Zhang Haoran	0.05 s	Python 3	2022-10-19 04:32:59
3	Chen Yuxuan	0.05 s	Python 3	2022-10-19 04:39:07
4	Qi Hangjiang	0.05 s	Python 3	2022-10-19 04:46:23
5	Zhao Zhiming	0.05 s	Python 3	2022-10-19 04:57:44
6	Jason Tai Chang Sheng	0.05 s	Python 3	2022-10-19 05:07:10
7	Ramanathan Vijay Ganesh	0.05 s	Python 3	2022-10-19 05:09:17
8	Tan Juntong	0.05 s	Python 3	2022-10-19 06:12:13
9	Dennis Wang Bao Rong	0.05 s	Python 3	2022-10-19 07:01:58
10	Pan Boyi	0.05 s	Python 3	2022-10-19 07:04:18

#	User	Length	Language	Date
1	poopoo peepee	415	C++	2022-04-11 11:21:22
2	Hong Xingwen	454	C++	2022-09-13 05:57:30
3	cp joker	499	C++	2022-04-11 11:22:08
4	Zhu Jingxi	509	C++	2022-09-07 04:49:47
5	Bui Phuong Nam	532	C++	2022-09-12 19:16:03
6	Caleb Chan Jia Le	534	C++	2022-09-13 09:31:43
7	Meow	617	C++	2022-04-11 11:48:52
8	Deepanjali Dhawan	643	C++	2022-10-26 20:52:39
9	Hidden user	645	C++	2022-09-03 09:02:51
10	Kim Tae Won	659	C++	2022-09-13 12:21:16

#	User	Length	Language	Date
1	James	684	Java	2025-09-19 08:39:30
2	Leong Yu Heng	786	Java	2025-09-19 03:29:49
3	Hidden user	812	Java	2025-09-19 15:00:21
4	Hidden user	844	Java	2025-09-19 07:16:34
5	li jiayi	858	Java	2025-09-19 04:53:50
6	HU YUNXIN	858	Java	2025-09-19 09:09:49
7	Sreya Suresh	882	Java	2025-09-19 23:24:15
8	Lew Wai Loon	886	Java	2025-09-19 18:39:57
9	YU ZHENGHAO	889	Java	2025-09-19 08:47:07
10	Felix Tanwira	897	Java	2025-09-19 22:10:02

#	User	Length	Language	Date
1	Hidden user	136	Python 3	2022-10-23 00:31:03
2	Hidden user	136	Python 3	2022-10-23 18:27:47
3	Steven Halim	210	Python 3	2022-09-08 14:54:25
4	HanLi	255	Python 3	2023-10-18 04:40:22
5	Pan Boyi	274	Python 3	2022-10-19 17:03:40
6	FU ZIHANG	281	Python 3	2023-10-18 04:48:03
7	LIN TONG	289	Python 3	2023-10-20 13:22:38
8	Ziyan Zhang	290	Python 3	2022-10-19 10:51:07
9	Nicholas Russell Saerang	290	Python 3	2022-11-23 17:42:09
10	Gao Shengke	292	Python 3	2023-03-21 14:52:59

Solution running time distribution