Problem A
Freight Train — Problem Statistics

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Submissions	1069
Accepted submissions	301
Submission ratio	28.16%
Authors	305
Full solves [?]	262
Full solve Ratio	85.90%

#	User	Runtime	Language	Date
1	Daniel Mota Guerra	0.08 s	C++	2023-03-22 20:23:34
2	Gabriel Gomez	0.08 s	C++	2025-03-16 03:05:06
3	Jayant Notani	0.09 s	C++	2020-03-29 05:54:22
4	William Henry	0.09 s	C++	2021-03-22 08:00:29
5	Presley Graham	0.09 s	C++	2021-04-23 18:02:27
6	Ethan Luo	0.09 s	C++	2022-03-10 19:57:49
7	Danny Chen	0.09 s	C++	2022-03-19 16:59:04
8	Charles Rothrock	0.09 s	C++	2022-03-22 18:45:42
9	Kha Le	0.09 s	C++	2023-03-10 08:38:12
10	Stephen Johnson	0.09 s	C++	2023-03-13 23:40:38

#	User	Runtime	Language	Date
1	Nathan Lee	0.09 s	Go	2025-10-20 13:56:23

#	User	Runtime	Language	Date
1	Rohan Agrawal	0.40 s	Java	2020-03-29 07:01:33
2	Mark Sturtevant	0.42 s	Java	2022-03-20 04:04:29
3	Vatsal Mistry	0.42 s	Java	2023-03-14 21:38:28
4	Bryan Lijia Yan	0.45 s	Java	2024-03-20 03:00:03
5	Jeffrey Formica	0.53 s	Java	2023-03-07 18:19:10
6	Justin John	0.61 s	Java	2020-03-29 04:10:10
7	Aolin Yang	0.90 s	Java	2021-03-24 08:23:28
8	Gannon Prudhomme	0.95 s	Java	2020-03-22 21:49:29
9	Hidden user	0.95 s	Java	2022-03-18 22:10:26
10	Kevin Dai	0.95 s	Java	2024-03-05 06:27:11

#	User	Runtime	Language	Date
1	Yasir Yilmazcoban	0.18 s	Python 3	2025-03-06 17:33:32
2	Hidden user	0.20 s	Python 3	2025-03-15 00:18:23
3	Hidden user	0.21 s	Python 3	2024-03-16 06:13:42
4	Julio Dondisch	0.21 s	Python 3	2025-03-15 03:53:00
5	Hidden user	0.22 s	Python 3	2023-03-17 22:47:38
6	Samay Upadhyay	0.22 s	Python 3	2023-05-10 22:23:04
7	Hidden user	0.22 s	Python 3	2025-03-15 08:12:22
8	Adithya Ravindra	0.22 s	Python 3	2025-10-25 03:20:44
9	Ananth Kumar	0.23 s	Python 3	2024-03-17 02:51:14
10	Michael Tran	0.23 s	Python 3	2026-03-02 23:14:41

#	User	Runtime	Language	Date
1	Matthew Staton	0.06 s	Rust	2025-10-17 05:27:17
2	Mckinley Xie	0.09 s	Rust	2025-03-13 03:48:03

#	User	Length	Language	Date
1	Adil Rasiyani	560	C++	2023-03-08 07:08:09
2	Hidden user	797	C++	2020-03-13 22:34:20
3	Jayant Notani	892	C++	2020-03-29 05:54:22
4	Ali El-Zein	904	C++	2024-10-26 17:39:05
5	Tran Lam	910	C++	2025-03-07 18:53:44
6	Gabriel Gomez	918	C++	2025-03-16 03:14:24
7	Thomas Zheng	935	C++	2024-03-31 01:15:40
8	Hidden user	941	C++	2024-03-17 03:08:17
9	Matthew Tran	965	C++	2020-03-27 20:21:19
10	Ethan Luo	969	C++	2022-03-10 19:57:49

#	User	Length	Language	Date
1	Nathan Lee	2230	Go	2025-10-20 13:56:23

#	User	Length	Language	Date
1	Aurko Routh	1393	Java	2024-03-17 03:53:33
2	Hidden user	1665	Java	2022-03-18 22:10:26
3	Kevin Dai	1772	Java	2024-03-05 06:27:11
4	Jeffrey Formica	1886	Java	2023-03-07 18:19:10
5	Bryan Lijia Yan	1890	Java	2024-03-20 03:00:03
6	Aolin Yang	2147	Java	2021-03-24 08:23:28
7	Justin John	2262	Java	2020-03-29 04:10:10
8	Vatsal Mistry	2308	Java	2023-03-14 21:38:28
9	Rohan Agrawal	2595	Java	2020-03-29 07:01:33
10	Mark Sturtevant	2790	Java	2022-03-20 04:04:29

#	User	Length	Language	Date
1	Hidden user	303	Python 3	2025-03-15 00:33:48
2	Jack Vacek	586	Python 3	2025-03-23 00:53:42
3	Ananth Kumar	604	Python 3	2024-03-17 02:55:45
4	Matthew Wang	640	Python 3	2024-03-17 03:35:29
5	Hidden user	645	Python 3	2024-03-16 07:59:53
6	Hidden user	660	Python 3	2022-03-20 02:10:22
7	Hidden user	707	Python 3	2025-03-23 05:47:06
8	Hidden user	730	Python 3	2025-03-20 20:34:51
9	Hidden user	733	Python 3	2023-03-17 22:47:38
10	Karthik Nakka	748	Python 3	2025-03-16 01:38:22

#	User	Length	Language	Date
1	Mckinley Xie	1948	Rust	2025-03-13 03:48:03
2	Matthew Staton	3220	Rust	2025-10-17 05:27:17

Solution running time distribution