Problem A
10 Kinds of People — Problem Statistics

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Submissions	4725
Accepted submissions	581
Submission ratio	12.30%
Authors	432
Full solves [?]	387
Full solve Ratio	89.58%

#	User	Runtime	Language	Date
1	Reuben Beeler	0.05 s	C	2022-11-01 10:11:08
2	Mahdi Ayman	0.11 s	C	2023-10-19 07:54:29

#	User	Runtime	Language	Date
1	Ruizhe Jiang	0.01 s	C++	2023-10-15 06:48:13
2	Derek Meng	0.02 s	C++	2023-10-10 08:14:07
3	Casey Zwicker	0.02 s	C++	2025-10-17 01:34:32
4	Lawrence Chen	0.03 s	C++	2022-07-20 04:26:41
5	Cheng Han Chan	0.03 s	C++	2022-07-22 01:46:57
6	Hidden user	0.03 s	C++	2023-10-19 22:05:09
7	Xinyan Zhao	0.03 s	C++	2023-10-20 08:33:25
8	Jerry Yang	0.03 s	C++	2025-10-06 21:50:06
9	Nikita Huynh	0.03 s	C++	2025-10-07 06:31:27
10	Ryan Sargis	0.03 s	C++	2025-10-07 20:36:07

#	User	Runtime	Language	Date
1	Michael Yang	0.32 s	Java	2022-10-10 21:32:35
2	Katy Tsao	0.52 s	Java	2022-10-21 22:22:59
3	Jason Rodrigues	0.54 s	Java	2023-10-17 20:43:13
4	Winston Wang	0.54 s	Java	2023-10-19 02:03:11
5	Wesley Chiba	0.58 s	Java	2023-10-13 10:30:59
6	Hidden user	0.61 s	Java	2022-11-05 01:48:03
7	Harry Kim	0.63 s	Java	2025-10-16 01:55:35
8	Hauke Rehwald	0.65 s	Java	2025-10-09 07:52:27
9	Sreeganesh Siva	0.67 s	Java	2023-10-16 05:48:28
10	Chinmay Dandekar	0.70 s	Java	2022-10-19 19:11:35

#	User	Runtime	Language	Date
1	Hao Yi	0.15 s	Python 3	2022-07-14 05:55:23
2	Anishkumar Senthil	0.17 s	Python 3	2025-10-16 22:00:57
3	Nathan Zhang	0.18 s	Python 3	2025-10-03 23:21:03
4	Adam Yitao Wang	0.19 s	Python 3	2025-10-02 01:47:10
5	Natasha Joshi	0.19 s	Python 3	2025-10-04 00:56:14
6	Hubert Guan	0.19 s	Python 3	2025-10-18 03:39:40
7	Hidden user	0.20 s	Python 3	2024-01-23 08:30:15
8	Amol Bhat	0.21 s	Python 3	2025-10-14 00:49:48
9	shaked shalev	0.21 s	Python 3	2025-10-16 11:08:39
10	ALISTON MA	0.21 s	Python 3	2025-10-18 01:32:02

#	User	Runtime	Language	Date
1	Hidden user	0.20 s	Python 3 with NumPy	2024-01-25 19:15:12
2	Noah Wang	0.21 s	Python 3 with NumPy	2024-01-25 05:06:02
3	Alexzendor Misra	0.39 s	Python 3 with NumPy	2024-02-01 08:35:57

#	User	Length	Language	Date
1	Mahdi Ayman	4685	C	2023-10-19 07:54:29
2	Reuben Beeler	6882	C	2022-11-01 10:11:08

#	User	Length	Language	Date
1	Hidden user	917	C++	2023-10-19 22:55:33
2	Amgad Sab Hawari	1254	C++	2024-01-23 22:29:43
3	Henry Jin	1301	C++	2025-10-04 08:52:31
4	Ruizhe Jiang	1322	C++	2023-10-15 06:48:13
5	Jerry Yang	1360	C++	2025-10-02 11:54:34
6	Ruiqi Yang	1418	C++	2022-07-13 11:51:33
7	Eason Li	1429	C++	2025-10-08 08:33:00
8	Rohan Iyer	1475	C++	2025-10-17 05:34:26
9	Ziyang Huang	1491	C++	2023-10-22 04:36:28
10	Tony Xue	1504	C++	2025-10-17 03:16:29

#	User	Length	Language	Date
1	Katy Tsao	1353	Java	2022-10-21 22:22:59
2	Victor Li	1840	Java	2023-10-20 20:24:51
3	Michael Yang	2080	Java	2022-10-10 21:32:35
4	Hauke Rehwald	2114	Java	2025-10-09 07:52:27
5	Sophie Guan	2610	Java	2022-10-10 22:40:21
6	Winston Wang	2652	Java	2023-10-19 02:03:11
7	Harry Kim	3257	Java	2025-10-16 01:55:35
8	Jason Rodrigues	3611	Java	2023-10-17 20:43:13
9	Sreeganesh Siva	3724	Java	2023-10-16 05:48:28
10	Peter Lototsky	4559	Java	2022-10-21 19:45:05

#	User	Length	Language	Date
1	Will Corcoran	600	Python 3	2025-10-03 19:39:26
2	Christy Yu	814	Python 3	2024-01-30 07:03:27
3	Yibin (Ben) Jiang	871	Python 3	2023-10-21 18:19:41
4	Lorenzo Zucca	1100	Python 3	2025-10-02 18:55:40
5	Yingjia Yang	1119	Python 3	2023-10-20 23:35:23
6	Jacob Low	1154	Python 3	2025-10-14 02:28:09
7	Yikuan Chou	1166	Python 3	2024-01-18 02:24:13
8	Scott Ricardo Figueroa Weston	1223	Python 3	2024-01-23 04:47:05
9	Christopher Lai	1237	Python 3	2023-10-11 19:23:40
10	ALISTON MA	1287	Python 3	2025-10-18 01:32:02

#	User	Length	Language	Date
1	Alexzendor Misra	1504	Python 3 with NumPy	2024-02-01 08:35:57
2	Hidden user	2086	Python 3 with NumPy	2024-01-25 19:15:12
3	Noah Wang	2256	Python 3 with NumPy	2024-01-25 05:06:02

Solution running time distribution