Problem A
Interplanetary Tunnels — Problem Statistics

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Submissions	919
Accepted submissions	449
Submission ratio	48.86%
Authors	374
Full solves [?]	349
Full solve Ratio	93.32%

#	User	Runtime	Language	Date
1	Luis fernando Mercado rodrigues	0.05 s	C#	2024-08-29 17:21:52

#	User	Runtime	Language	Date
1	Bjørn Dons	0.01 s	Go	2023-10-03 20:59:04
2	Norbert Voelker	0.01 s	Go	2023-10-15 00:24:20
3	Ng Tek In	0.12 s	Go	2024-12-02 13:24:55

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.05 s	Java	2024-11-17 11:44:13
2	Ludvig Dahlberg	0.11 s	Java	2025-08-24 09:06:25
3	Joar Eliasson	0.12 s	Java	2025-08-21 16:32:38
4	Quân Anh	0.15 s	Java	2024-04-25 08:50:02
5	Karam Alkontar	0.16 s	Java	2023-04-01 20:39:23
6	Sawyer Stanley	0.16 s	Java	2023-04-01 22:44:40
7	Ben Cobb	0.17 s	Java	2023-10-05 19:29:38
8	Vu Minh Hieu	0.19 s	Java	2023-10-02 20:02:19
9	Taylor Wong	0.20 s	Java	2023-04-01 22:01:32
10	Tye Mooneyhan	0.25 s	Java	2025-12-10 22:28:48

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-10-03 00:23:07
2	Bjørn Chr. Soltvedt	0.06 s	JavaScript (SpiderMonkey)	2023-10-02 05:10:57
3	Jimmy Gustafsson	0.08 s	JavaScript (SpiderMonkey)	2025-07-12 16:16:33

#	User	Runtime	Language	Date
1	Adam Rankin	0.29 s	Kotlin	2023-10-09 17:55:59
2	Chris Johnson	0.47 s	Kotlin	2023-10-24 00:15:50

#	User	Runtime	Language	Date
1	Jiaming Kong	0.06 s	Python 3	2025-06-25 07:21:11
2	ro011110ot	0.06 s	Python 3	2025-09-03 17:27:55
3	Russell	0.06 s	Python 3	2025-09-20 17:52:44
4	Anna	0.06 s	Python 3	2025-12-09 22:33:33
5	Nicholas Russell Saerang	0.07 s	Python 3	2023-10-02 07:30:34
6	Daniel Cortild	0.07 s	Python 3	2024-09-13 09:26:31
7	Hidden user	0.07 s	Python 3	2024-11-01 19:36:52
8	Logan O'Roark	0.07 s	Python 3	2024-12-11 05:37:18
9	Charlie Eastin	0.07 s	Python 3	2025-01-28 00:02:56
10	Tan Yi Long	0.07 s	Python 3	2025-04-19 21:22:23

#	User	Runtime	Language	Date
1	Miorel Palii	0.09 s	Ruby	2024-11-29 04:58:00
2	Thomas Feld	0.53 s	Ruby	2023-10-04 15:18:50

#	User	Runtime	Language	Date
1	Frank Endriss	0.00 s	Rust	2024-06-20 16:41:55
2	Vincent Lagerros	0.00 s	Rust	2025-02-24 18:43:52
3	Marcus Persson	0.00 s	Rust	2025-08-24 00:40:24
4	Wilmer Johansen	0.00 s	Rust	2025-08-24 03:52:43
5	Bas Dirks	0.01 s	Rust	2024-01-28 13:35:46

#	User	Length	Language	Date
1	Luis fernando Mercado rodrigues	2332	C#	2024-08-29 17:21:52

#	User	Length	Language	Date
1	Teikn Smith	323	C++	2024-02-01 01:36:19
2	Andrew Lyem	601	C++	2024-10-30 12:03:23
3	Bogdan Iurian	605	C++	2023-11-11 13:13:33
4	Ernest Ng Zi Xuan	614	C++	2024-04-24 18:45:22
5	Jesús Pacheco Alonso	632	C++	2024-02-06 16:43:47
6	Hidden user	633	C++	2025-05-10 09:48:17
7	Zac Friggstad	643	C++	2024-05-16 20:35:51
8	Alvin Hsu	681	C++	2023-10-19 02:29:48
9	Luna Christensen	681	C++	2025-05-10 10:29:08
10	AbelBurduhos	706	C++	2023-10-23 17:39:17

#	User	Length	Language	Date
1	Ng Tek In	680	Go	2024-12-02 13:24:55
2	Bjørn Dons	1178	Go	2023-10-03 20:59:04
3	Norbert Voelker	7647	Go	2023-10-15 00:24:20

#	User	Length	Language	Date
1	Ludvig Dahlberg	1578	Java	2025-08-24 09:06:25
2	Devon Kennedy	1728	Java	2025-01-28 02:26:34
3	Hayden Moore	1733	Java	2025-01-28 03:54:57
4	Jacob Collier-Tenison	1805	Java	2024-09-26 08:08:29
5	Joar Eliasson	2013	Java	2025-08-12 16:27:34
6	Tye Mooneyhan	2061	Java	2025-12-10 22:29:34
7	Jay Wingfield	2068	Java	2024-09-12 17:29:38
8	Nolan Witt	2179	Java	2025-02-01 23:29:15
9	Tristan Curtis	2211	Java	2025-01-28 02:02:00
10	Rameez Malik	2500	Java	2025-04-10 21:56:58

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	692	JavaScript (SpiderMonkey)	2023-10-03 00:23:07
2	Jimmy Gustafsson	1495	JavaScript (SpiderMonkey)	2025-07-12 16:16:33
3	Bjørn Chr. Soltvedt	19400	JavaScript (SpiderMonkey)	2023-10-02 05:10:57

#	User	Length	Language	Date
1	Adam Rankin	1031	Kotlin	2023-10-09 17:55:59
2	Chris Johnson	1048	Kotlin	2023-10-24 00:15:50

#	User	Length	Language	Date
1	Ahmed Chamseddine	283	Python 3	2023-11-04 21:08:37
2	Peter Stauder	299	Python 3	2024-02-20 22:07:39
3	Farzam Abrishami	328	Python 3	2025-04-24 22:23:29
4	Thibault Raffaillac	375	Python 3	2024-08-03 15:33:21
5	Ritul Kumar Singh	379	Python 3	2024-04-26 21:01:27
6	Shashank Bhatt	429	Python 3	2023-10-02 23:18:21
7	Kelly Dance	430	Python 3	2023-04-01 20:34:53
8	Noah Hessen Bjerke	430	Python 3	2024-12-27 02:15:40
9	Julius Thunström	434	Python 3	2024-01-17 18:11:43
10	Xiang Xiaoneng	442	Python 3	2024-04-27 06:04:41

#	User	Length	Language	Date
1	Thomas Feld	159	Ruby	2023-10-04 15:27:05
2	Miorel Palii	426	Ruby	2024-11-29 04:58:00

#	User	Length	Language	Date
1	Wilmer Johansen	1388	Rust	2025-08-24 03:52:43
2	Frank Endriss	1427	Rust	2024-06-20 16:41:55
3	Marcus Persson	1693	Rust	2025-08-24 00:40:24
4	Bas Dirks	1898	Rust	2024-01-28 13:35:46
5	Vincent Lagerros	18099	Rust	2025-02-24 18:43:52

Solution running time distribution