Problem A
Keyboards in Concert — Problem Statistics

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Submissions	852
Accepted submissions	356
Submission ratio	41.78%
Authors	268
Full solves [?]	256
Full solve Ratio	95.52%

#	User	Runtime	Language	Date
1	Samuel Deutsch	0.02 s	C	2020-09-23 08:20:39

#	User	Runtime	Language	Date
1	Yu-Chen Chan	0.00 s	C++	2024-04-12 02:41:44
2	Jim Zheng	0.01 s	C++	2020-02-04 16:49:09
3	Tobi Ola	0.02 s	C++	2020-02-10 06:11:59
4	Trung Dang	0.02 s	C++	2020-05-25 16:52:28
5	Aniket Kumar Gupta	0.02 s	C++	2020-09-21 16:22:36
6	Kyle Zheng	0.02 s	C++	2020-09-23 23:15:37
7	Peter Jiang	0.02 s	C++	2021-09-15 22:37:31
8	Evan Yang	0.02 s	C++	2021-09-16 20:45:02
9	Karthik Menon	0.02 s	C++	2022-02-08 23:35:08
10	Anvit Sinha	0.02 s	C++	2022-10-21 04:48:06

#	User	Runtime	Language	Date
1	Thomas Ashcraft	0.18 s	C++ with Memory Check	2025-10-23 21:55:55

#	User	Runtime	Language	Date
1	Leo Pan	0.09 s	Java	2022-10-20 23:58:32
2	Payas	0.09 s	Java	2023-02-09 06:46:56
3	Ayaka Nishihori	0.10 s	Java	2020-09-25 02:08:09
4	Trung Dang	0.10 s	Java	2021-09-24 06:05:31
5	Hidden user	0.10 s	Java	2021-09-24 06:06:35
6	Derek Thomson	0.10 s	Java	2022-02-10 04:25:04
7	Sanshray	0.12 s	Java	2025-10-26 04:22:37
8	Maheep Brar	0.19 s	Java	2021-02-19 05:10:17
9	Bhavey Jain	0.19 s	Java	2021-09-24 02:17:31
10	William Ruan	0.20 s	Java	2025-10-24 05:46:44

#	User	Runtime	Language	Date
1	Skyler Kiefer	0.08 s	Python 2	2020-02-10 02:52:31
2	Jaden Lee	0.13 s	Python 2	2020-09-19 22:06:19

#	User	Runtime	Language	Date
1	Ethan Porath	0.07 s	Python 3	2025-10-17 01:52:32
2	Christine Xu	0.08 s	Python 3	2025-10-21 23:09:01
3	Adithya Palaniappan Ramesh	0.08 s	Python 3	2025-10-24 03:33:38
4	Anisha Bhat	0.09 s	Python 3	2022-10-20 23:04:38
5	Sanjay Vijay	0.09 s	Python 3	2025-10-19 00:25:11
6	Rishi Shekhar	0.09 s	Python 3	2025-10-24 05:04:30
7	Ruthu Shankar	0.09 s	Python 3	2026-03-15 04:49:44
8	Natasha Rao	0.10 s	Python 3	2022-10-19 19:18:35
9	Bhavesh Pareek	0.10 s	Python 3	2022-10-19 23:11:41
10	Manas Srivastava	0.10 s	Python 3	2022-10-19 23:31:04

#	User	Runtime	Language	Date
1	Keya Jadhav	0.10 s	Python 3 with NumPy	2025-10-24 05:38:57
2	Aadi Biyani	0.72 s	Python 3 with NumPy	2025-10-23 09:27:42

#	User	Runtime	Language	Date
1	Lukas Dutrieux	0.05 s	Rust	2025-10-20 20:49:55

#	User	Length	Language	Date
1	Samuel Deutsch	1052	C	2020-09-23 08:20:39

#	User	Length	Language	Date
1	Anvit Sinha	435	C++	2022-10-21 05:15:29
2	James Tan	555	C++	2024-04-08 22:00:18
3	Leo Lee	564	C++	2024-04-02 20:53:18
4	Gia Bach Le	744	C++	2026-03-13 03:47:27
5	Trung Dang	759	C++	2020-05-25 16:52:28
6	Christopher Lin	760	C++	2020-09-19 23:34:53
7	Matthew Lee	846	C++	2025-10-19 22:45:38
8	Owen Eckart	854	C++	2021-09-15 17:21:53
9	Shaurya Aggarwal	902	C++	2020-09-24 21:57:30
10	Jeremy Chang	914	C++	2020-02-03 00:39:44

#	User	Length	Language	Date
1	Thomas Ashcraft	1994	C++ with Memory Check	2025-10-23 21:55:55

#	User	Length	Language	Date
1	Saisuvan Chikyala	1161	Java	2020-02-06 01:04:55
2	Ryan Chang	1246	Java	2021-09-24 03:39:27
3	Abhinav Dusi	1322	Java	2021-09-19 02:07:37
4	Peter Jin	1510	Java	2022-10-12 14:56:36
5	Bill Fei	1570	Java	2020-06-25 17:28:30
6	Jose Valbuena	1579	Java	2020-02-13 23:47:40
7	Alan Bare	1727	Java	2020-09-24 22:06:20
8	Yash Bapat	1827	Java	2025-10-23 03:50:20
9	Austin Chen	1836	Java	2022-10-17 01:17:34
10	Bao Quoc Phan	1839	Java	2024-04-12 06:54:57

#	User	Length	Language	Date
1	Skyler Kiefer	600	Python 2	2020-02-10 02:52:31
2	Jaden Lee	1102	Python 2	2020-09-19 22:06:19

#	User	Length	Language	Date
1	Bhavesh Pareek	316	Python 3	2022-10-19 23:23:12
2	Saravana Polisetti	322	Python 3	2022-10-20 22:44:23
3	Anthony Stahura	337	Python 3	2020-09-22 00:41:42
4	Varun Asuri	423	Python 3	2023-02-09 18:47:15
5	Ajay Dev	451	Python 3	2022-02-08 07:52:09
6	Srikar Gutta	489	Python 3	2020-09-25 00:49:23
7	Rishi Shekhar	563	Python 3	2025-10-24 05:04:30
8	Adithya Palaniappan Ramesh	579	Python 3	2025-10-24 03:33:38
9	Ethan Porath	587	Python 3	2025-10-17 01:52:32
10	William Kettleborough	615	Python 3	2024-04-05 22:11:03

#	User	Length	Language	Date
1	Keya Jadhav	802	Python 3 with NumPy	2025-10-24 05:38:57
2	Aadi Biyani	1672	Python 3 with NumPy	2025-10-23 09:27:42

#	User	Length	Language	Date
1	Lukas Dutrieux	2036	Rust	2025-10-20 20:49:55

Solution running time distribution