Problem A
Context-Free Grammar Parsing — Problem Statistics

Back to problem description

Submissions	1345
Accepted submissions	617
Submission ratio	45.87%
Authors	161
Accepted authors	140
Author ratio	86.96%

#	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	Score	Language	Date
1	Greg Hamerly	100	Python 2	2019-09-20 18:33:14
2	Scott Fitzgerald	100	Python 2	2017-09-21 22:33:26
3	Andrew Kronser	100	Python 2	2017-09-13 05:16:14
4	Hidden user	100	Python 2	2016-09-19 19:58:13
5	Sean Lavoie	90	Python 2	2017-09-25 18:51:02

#	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	Danielle Samuels	9.93 s	C++	2025-02-02 01:32:56

#	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	Khifayat Abolurin	4.87 s	Java	2025-02-05 02:32:02
4	Robert Cepa	4.96 s	Java	2016-09-20 17:14:37
5	Korn Sooksatra	5.02 s	Java	2020-09-19 19:15:43
6	张珂燃	5.14 s	Java	2016-09-14 21:27:22
7	Joshua Wester	5.42 s	Java	2025-02-06 03:52:02
8	Xiang Fang	6.52 s	Java	2024-09-24 05:46:27
9	Clinton Adu Yeboah	6.64 s	Java	2019-09-23 20:39:06
10	Hidden user	6.73 s	Java	2017-09-21 10:01:15

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

#	User	Runtime	Language	Date
1	Greg Hamerly	7.50 s	Python 2	2019-09-20 18:33:14
2	Scott Fitzgerald	18.24 s	Python 2	2017-09-21 22:33:26
3	Andrew Kronser	19.51 s	Python 2	2017-09-13 05:16:14
4	Hidden user	19.83 s	Python 2	2016-09-19 19:58:13

#	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	Ryan Sherer	8.74 s	Python 3	2025-03-29 21:01:12
9	Bryant Huang	9.62 s	Python 3	2024-09-23 08:12:57
10	Sadia Nasrin Tisha	10.56 s	Python 3	2021-09-18 07:35:18

#	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	Danielle Samuels	2444	C++	2025-02-02 01:32:56

#	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	Khifayat Abolurin	2710	Java	2025-02-05 02:32:02
7	Vincent Bushong	2728	Java	2019-09-24 03:36:15
8	Clinton Adu Yeboah	2753	Java	2019-09-23 20:39:06
9	Paul Wolfe	2992	Java	2024-02-02 03:06:35
10	Hidden user	3064	Java	2017-09-20 20:49:05

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

#	User	Length	Language	Date
1	Andrew Kronser	1289	Python 2	2017-09-13 05:16:14
2	Greg Hamerly	1819	Python 2	2019-09-20 18:33:14
3	Scott Fitzgerald	2173	Python 2	2017-09-21 22:33:26
4	Hidden user	5794	Python 2	2016-09-19 19:58:13

#	User	Length	Language	Date
1	Ryan Sherer	1035	Python 3	2025-03-29 20:47:45
2	Christopher Chenoweth	1300	Python 3	2024-09-23 20:59:48
3	Xinyu Wu	1480	Python 3	2024-09-18 07:59:56
4	Bryant Huang	1509	Python 3	2024-09-23 08:12:57
5	Aaron L Carney	1694	Python 3	2024-09-17 06:21:07
6	Abanisenioluwa Kolawole Orojo	1992	Python 3	2024-09-20 05:32:12
7	Misty	2222	Python 3	2024-09-22 03:38:22
8	Asif Imtiaz Shaafi	2320	Python 3	2024-09-23 21:37:13
9	Alejandro Rodríguez Pérez	2342	Python 3	2022-09-15 07:17:00
10	Ana Paula Arguelles Terron	2674	Python 3	2024-09-23 02:01:49

Solution running time distribution