Problem A
Context-Free Grammar Parsing — Problem Statistics

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Submissions	1147
Accepted submissions	585
Submission ratio	51.00%
Authors	150
Accepted authors	129
Author ratio	86.00%

#	User	Score	Language	Date
1	Swapnil Saha	90	C	2021-09-16 04:59:17

#	User	Score	Language	Date
1	Hidden user	80	C#	2017-09-20 04:02:51

#	User	Score	Language	Date
1	Joseph Huang	90	Go	2016-09-14 03:49:15
2	Alexander Crosby	80	Go	2023-02-08 07:00:07

#	User	Score	Language	Date
1	Andrew Molina	100	JavaScript (Node.js)	2024-02-06 00:22:28

#	User	Runtime	Language	Date
1	Andrew Baas	0.34 s	C++	2017-09-14 17:11:50
2	Nicole Hosh	0.54 s	C++	2021-09-20 12:02:53
3	AGM ISLAM	0.91 s	C++	2021-09-16 21:20:31
4	Chinagorom Mbaraonye	5.01 s	C++	2020-09-21 22:42:13
5	Kunhee Thomas Cho	5.14 s	C++	2024-09-24 05:23:09
6	Xiaohui Chen	5.52 s	C++	2024-09-22 18:30:17
7	Ernesto Quevedo Caballero	5.55 s	C++	2021-09-15 07:33:09
8	Jared Rudd	6.09 s	C++	2024-02-04 20:38:49
9	Maisha Binte Rashid	6.65 s	C++	2021-12-29 07:34:29
10	Steven Gutzwiller	11.24 s	C++	2016-09-19 18:39:20

#	User	Runtime	Language	Date
1	Hidden user	1.20 s	Java	2017-09-17 04:39:18
2	Hidden user	1.76 s	Java	2017-09-20 20:49:05
3	Robert Cepa	4.96 s	Java	2016-09-20 17:14:37
4	Korn Sooksatra	5.02 s	Java	2020-09-19 19:15:43
5	张珂燃	5.14 s	Java	2016-09-14 21:27:22
6	Xiang Fang	6.52 s	Java	2024-09-24 05:46:27
7	Clinton Adu Yeboah	6.64 s	Java	2019-09-23 20:39:06
8	Hidden user	6.73 s	Java	2017-09-21 10:01:15
9	Hidden user	7.12 s	Java	2017-09-19 22:53:07
10	Paul Wolfe	7.59 s	Java	2024-02-02 03:06:35

#	User	Runtime	Language	Date
1	Andrew Molina	7.73 s	JavaScript (Node.js)	2024-02-06 00:22:28

#	User	Runtime	Language	Date
1	Alejandro Rodríguez Pérez	1.63 s	Python 3	2022-09-15 07:10:05
2	Ana Paula Arguelles Terron	4.46 s	Python 3	2024-09-23 02:01:49
3	Abanisenioluwa Kolawole Orojo	4.50 s	Python 3	2024-09-20 05:32:12
4	Kofi Nketia Ackaah-Gyasi	4.51 s	Python 3	2024-09-24 04:00:47
5	Christopher Chenoweth	5.05 s	Python 3	2024-09-23 20:59:48
6	Aaron L Carney	6.84 s	Python 3	2024-09-17 06:21:07
7	Aaron Sierra	8.24 s	Python 3	2024-09-24 06:13:51
8	Bryant Huang	9.62 s	Python 3	2024-09-23 08:12:57
9	Sadia Nasrin Tisha	10.56 s	Python 3	2021-09-18 07:35:18
10	Misty	13.23 s	Python 3	2024-09-22 03:38:22

#	User	Length	Language	Date
1	Nicole Hosh	1434	C++	2021-09-20 12:02:53
2	Ernesto Quevedo Caballero	1855	C++	2021-09-15 07:33:09
3	Michael Crowther	2173	C++	2023-01-31 04:43:25
4	Mafizur Rahman	2173	C++	2022-09-19 22:17:33
5	Kelechi Fletcher	2184	C++	2016-09-19 15:31:27
6	Chinagorom Mbaraonye	2252	C++	2020-09-19 08:21:42
7	Kunhee Thomas Cho	2262	C++	2024-09-24 05:23:09
8	Muhammad Ashfakur Rahman Arju	2284	C++	2022-09-20 03:36:05
9	Hidden user	2414	C++	2017-09-16 03:06:09
10	AGM ISLAM	2509	C++	2021-09-16 21:20:31

#	User	Length	Language	Date
1	Korn Sooksatra	1742	Java	2020-09-19 19:15:43
2	Will henderson	2276	Java	2024-09-23 03:26:15
3	Jonathan Myers	2453	Java	2017-09-21 12:34:09
4	Matt Harrison	2456	Java	2024-09-19 05:37:50
5	Tonni Das Jui	2472	Java	2021-09-12 00:34:50
6	Vincent Bushong	2728	Java	2019-09-24 03:36:15
7	Clinton Adu Yeboah	2753	Java	2019-09-23 20:39:06
8	Paul Wolfe	2992	Java	2024-02-02 03:06:35
9	Hidden user	3064	Java	2017-09-20 20:49:05
10	Hidden user	3144	Java	2017-09-19 22:02:59

#	User	Length	Language	Date
1	Andrew Molina	3271	JavaScript (Node.js)	2024-02-06 00:22:28

#	User	Length	Language	Date
1	Christopher Chenoweth	1300	Python 3	2024-09-23 20:59:48
2	Xinyu Wu	1480	Python 3	2024-09-18 07:59:56
3	Bryant Huang	1509	Python 3	2024-09-23 08:12:57
4	Aaron L Carney	1694	Python 3	2024-09-17 06:21:07
5	Abanisenioluwa Kolawole Orojo	1992	Python 3	2024-09-20 05:32:12
6	Misty	2222	Python 3	2024-09-22 03:38:22
7	Asif Imtiaz Shaafi	2320	Python 3	2024-09-23 21:37:13
8	Alejandro Rodríguez Pérez	2342	Python 3	2022-09-15 07:17:00
9	Ana Paula Arguelles Terron	2674	Python 3	2024-09-23 02:01:49
10	Sadia Nasrin Tisha	2784	Python 3	2021-09-18 07:35:18

Solution running time distribution