Problem A
Train Sorting — Problem Statistics

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Submissions	5694
Accepted submissions	790
Submission ratio	13.87%
Authors	617
Full solves [?]	576
Full solve Ratio	93.35%

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	C	2019-05-23 03:21:48

#	User	Runtime	Language	Date
1	Charles Petkovich	0.05 s	C#	2019-02-18 03:20:13

#	User	Runtime	Language	Date
1	Derek Zhang	0.20 s	Go	2019-02-15 09:05:57

#	User	Runtime	Language	Date
1	Sagnik Biswas	0.08 s	Java	2025-06-01 03:16:23
2	Jonah So	0.11 s	Java	2025-06-03 02:38:15
3	Justin Zhang	0.12 s	Java	2024-06-04 13:34:57
4	Hidden user	0.13 s	Java	2019-05-22 07:16:22
5	Jesmar Castillo	0.13 s	Java	2019-05-23 22:47:10
6	Matthew Li	0.14 s	Java	2019-05-20 02:10:23
7	Ran Liu	0.15 s	Java	2019-02-16 06:43:49
8	Daemon Wei	0.15 s	Java	2024-06-05 06:01:16
9	Benjamin Soo	0.15 s	Java	2025-03-04 03:09:09
10	Nathan Inge	0.17 s	Java	2019-02-27 04:49:50

#	User	Runtime	Language	Date
1	Yifei Wu	0.16 s	Lua	2026-02-12 22:06:20

#	User	Runtime	Language	Date
1	Annie Bai	0.14 s	PHP	2019-03-02 03:43:27

#	User	Runtime	Language	Date
1	Roderic Deichler	0.08 s	Python 2	2019-03-02 05:33:49
2	Jake Guida	0.09 s	Python 2	2019-03-01 02:42:03
3	Jake Guida	0.09 s	Python 2	2019-03-09 00:17:47
4	Kai Maeda	0.10 s	Python 2	2023-11-23 22:16:25
5	Matthew Pontarolo	0.11 s	Python 2	2019-05-19 23:21:43

#	User	Runtime	Language	Date
1	Ken Xu	0.05 s	Python 3	2019-05-16 09:35:04
2	Victor Prchlik	0.05 s	Python 3	2025-03-05 03:41:18
3	Ritam Saha	0.07 s	Python 3	2025-03-03 08:48:03
4	Michael Jiang	0.07 s	Python 3	2025-03-04 09:08:06
5	Yuxiang Zhang	0.07 s	Python 3	2025-06-02 02:03:36
6	Lorenzo Zucca	0.07 s	Python 3	2026-02-13 07:33:31
7	Natasha Joshi	0.07 s	Python 3	2026-02-14 18:27:24
8	Hidden user	0.07 s	Python 3	2026-02-18 02:00:07
9	Bryce Inouye	0.07 s	Python 3	2026-02-24 22:10:31
10	Benny Zhang	0.07 s	Python 3	2026-02-26 20:44:45

#	User	Runtime	Language	Date
1	Shivani Madhan	0.07 s	Python 3 with NumPy	2025-05-16 21:05:50
2	Timothy Choi	0.08 s	Python 3 with NumPy	2024-05-28 22:22:23
3	Yue Cao	0.08 s	Python 3 with NumPy	2026-02-12 07:24:50
4	Michael Wong	0.09 s	Python 3 with NumPy	2025-06-03 11:44:19
5	Tara Rezaei	0.10 s	Python 3 with NumPy	2025-06-04 07:56:21
6	Dylan Lu	0.10 s	Python 3 with NumPy	2026-02-13 06:11:36
7	Yucheng Sun	0.36 s	Python 3 with NumPy	2023-12-01 08:40:58
8	Jackson Newman	0.39 s	Python 3 with NumPy	2024-05-24 02:02:44
9	chenghao wen	0.61 s	Python 3 with NumPy	2023-11-28 06:04:21

#	User	Runtime	Language	Date
1	Minghao Zhang	0.01 s	Rust	2024-05-30 05:09:52
2	Jeffery Wang	0.01 s	Rust	2024-06-04 02:13:53
3	Vinod Kanigicherla	0.01 s	Rust	2026-02-24 08:40:27

#	User	Length	Language	Date
1	Hidden user	1741	C	2019-05-23 03:21:48

#	User	Length	Language	Date
1	Charles Petkovich	1859	C#	2019-02-18 03:20:13

#	User	Length	Language	Date
1	Ruizhe Jiang	515	C++	2024-06-04 16:35:25
2	pipiLongstocking	525	C++	2019-05-21 15:07:47
3	SHIDA SHENG	545	C++	2019-02-23 06:45:16
4	Elijah Andersom	583	C++	2024-06-04 10:35:47
5	Chenyin Luo	598	C++	2019-05-24 08:27:49
6	Wong Zhao	598	C++	2025-05-28 01:36:30
7	Dagin Gregory	608	C++	2024-06-02 01:16:46
8	Qilin Liu	632	C++	2019-02-11 21:21:05
9	Varsha Srinivasan	633	C++	2019-05-20 03:25:48
10	Clare Miriam Boyle	641	C++	2019-02-21 00:39:02

#	User	Length	Language	Date
1	Derek Zhang	5700	Go	2019-02-15 09:05:57

#	User	Length	Language	Date
1	Xiyu Liu	783	Java	2023-11-30 11:44:04
2	Sagnik Biswas	1058	Java	2025-06-01 03:16:23
3	Joseph Li	1096	Java	2023-11-27 10:01:32
4	Xiong Jin	1127	Java	2019-05-15 08:38:58
5	Hidden user	1170	Java	2019-02-18 02:46:56
6	Erwan Caron	1223	Java	2023-11-25 00:01:27
7	Jonah So	1402	Java	2025-06-03 02:38:15
8	Matthew Li	1434	Java	2019-05-20 01:36:34
9	Hidden user	1522	Java	2019-03-01 06:54:03
10	Justin Owusu	1596	Java	2019-03-02 02:50:32

#	User	Length	Language	Date
1	Yifei Wu	675	Lua	2026-02-12 22:06:20

#	User	Length	Language	Date
1	Annie Bai	1968	PHP	2019-03-02 03:43:27

#	User	Length	Language	Date
1	Kai Maeda	539	Python 2	2023-11-23 22:16:25
2	Jake Guida	941	Python 2	2019-03-01 02:42:03
3	Jake Guida	941	Python 2	2019-03-09 00:17:47
4	Roderic Deichler	1417	Python 2	2019-03-02 05:33:49
5	Matthew Pontarolo	1529	Python 2	2019-05-19 23:21:43

#	User	Length	Language	Date
1	Nathaniel Annau	189	Python 3	2025-03-03 02:47:46
2	David Qiao	267	Python 3	2026-02-12 01:37:30
3	Will Corcoran	272	Python 3	2025-02-19 18:37:43
4	Tianle Yu	278	Python 3	2024-05-16 01:30:11
5	Maya Ma	307	Python 3	2023-11-27 03:44:54
6	Prajwal Vandana	346	Python 3	2026-02-12 19:57:50
7	Christy Yu	347	Python 3	2024-06-03 00:28:26
8	Anton Landerer	366	Python 3	2025-02-23 02:04:38
9	Joe Lee	369	Python 3	2025-06-04 01:29:46
10	Hyemin Lee	371	Python 3	2024-06-04 09:04:24

#	User	Length	Language	Date
1	Yue Cao	633	Python 3 with NumPy	2026-02-12 07:24:50
2	chenghao wen	755	Python 3 with NumPy	2023-11-28 06:04:21
3	Shivani Madhan	803	Python 3 with NumPy	2025-05-16 21:05:50
4	Tara Rezaei	819	Python 3 with NumPy	2025-06-04 07:56:21
5	Dylan Lu	822	Python 3 with NumPy	2026-02-13 06:11:36
6	Yucheng Sun	1251	Python 3 with NumPy	2023-12-01 08:40:58
7	Timothy Choi	1298	Python 3 with NumPy	2024-05-28 22:22:23
8	Michael Wong	1358	Python 3 with NumPy	2025-06-03 11:44:19
9	Jackson Newman	1878	Python 3 with NumPy	2024-05-24 02:02:44

#	User	Length	Language	Date
1	Minghao Zhang	901	Rust	2024-05-30 05:33:04
2	Vinod Kanigicherla	911	Rust	2026-02-24 08:40:27
3	Jeffery Wang	1332	Rust	2024-06-04 02:13:53

Solution running time distribution