Problem I
Flight Collision — Problem Statistics

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Submissions	1320
Accepted submissions	333
Submission ratio	25.23%
Authors	294
Full solves [?]	225
Full solve Ratio	76.53%

#	User	Runtime	Language	Date
1	Mirel Cosulschi	0.04 s	C	2022-11-16 21:07:10

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	C++	2021-04-08 18:19:05
2	Ian DeHaan	0.03 s	C++	2021-04-16 21:04:42
3	Kha Le	0.03 s	C++	2021-10-24 08:49:17
4	李连奇	0.03 s	C++	2024-04-23 16:20:45
5	Hjalte Sorgenfrei Mac Dalland	0.04 s	C++	2021-04-03 19:45:26
6	Shuxin Chen	0.04 s	C++	2021-04-04 07:16:40
7	Niklas Vatn	0.04 s	C++	2021-04-05 15:29:00
8	hubert isobese	0.04 s	C++	2021-04-10 20:49:14
9	Eric Yang	0.04 s	C++	2021-04-10 20:59:31
10	Jelmer Hinssen	0.04 s	C++	2021-11-17 19:51:38

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.25 s	Java	2021-04-16 08:00:08
2	Brent Yorgey	0.41 s	Java	2021-04-04 12:30:29
3	Alex Lind	0.58 s	Java	2021-08-25 22:17:48
4	Mayuri Birari	0.59 s	Java	2024-04-29 04:34:32
5	Sameep Dahal	0.70 s	Java	2022-11-26 01:25:34
6	Yibo Huang	0.74 s	Java	2021-04-11 23:17:45
7	Benjamin Reidys	0.77 s	Java	2021-10-15 06:57:11
8	Garway Mei	0.88 s	Java	2022-10-25 01:10:23
9	Darrin Wiley	0.90 s	Java	2021-04-09 00:05:35
10	Nick Hargrove	0.91 s	Java	2022-10-25 01:01:41

#	User	Runtime	Language	Date
1	Andreas Björklund	1.72 s	Python 2	2021-11-23 07:29:54
2	Hidden user	1.81 s	Python 2	2021-04-15 02:54:17

#	User	Runtime	Language	Date
1	Nicholas Russell Saerang	0.24 s	Python 3	2025-03-21 05:07:59
2	Oskar Haarklou Veileborg	0.32 s	Python 3	2021-04-03 21:36:03
3	Mathias Tejs	0.90 s	Python 3	2021-04-03 15:44:39
4	Harry Zhang	1.21 s	Python 3	2025-09-18 13:33:43
5	David Nilsson	1.31 s	Python 3	2021-07-30 17:19:10
6	Troels Bjerre Lund	1.63 s	Python 3	2021-04-06 13:09:18
7	Arihant Jain	1.65 s	Python 3	2021-06-20 01:40:05
8	Emiel Wiedijk	1.72 s	Python 3	2022-10-30 15:22:36
9	Yosuke Mizutani	1.77 s	Python 3	2021-09-06 07:11:22
10	Fredrik Horn Dannert	1.80 s	Python 3	2021-04-04 16:40:15

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.07 s	Rust	2024-09-17 09:58:17
2	Hidden user	0.07 s	Rust	2025-10-27 19:58:00

#	User	Length	Language	Date
1	Mirel Cosulschi	2805	C	2022-11-16 21:07:10

#	User	Length	Language	Date
1	天天 张	979	C++	2024-04-24 12:07:27
2	Chris Trevisan	1025	C++	2021-04-15 03:34:38
3	Kevin Sun	1025	C++	2021-04-15 04:24:05
4	Yen-Hsiang Chang	1084	C++	2021-04-07 22:13:20
5	Yasmine	1121	C++	2021-04-11 14:04:48
6	Sun Yuxuan	1131	C++	2024-09-11 17:44:44
7	Armen Andreasyan	1133	C++	2021-07-11 17:32:32
8	Dmitry Lyubshin	1134	C++	2023-06-07 02:12:49
9	Zac Friggstad	1167	C++	2021-04-12 06:36:10
10	Josh Taylor	1189	C++	2023-09-28 16:03:17

#	User	Length	Language	Date
1	Christopher Stephens	2013	Java	2022-04-26 01:25:18
2	Dylan Smith	2226	Java	2021-04-10 22:37:46
3	Benjamin Reidys	3060	Java	2021-10-15 06:57:11
4	Nick Hargrove	3068	Java	2022-10-25 01:01:41
5	Garway Mei	3068	Java	2022-10-25 01:10:23
6	Crystal Sharpe	3102	Java	2021-04-16 08:00:08
7	Darrin Wiley	3109	Java	2021-05-05 23:02:06
8	Mark Wen	3296	Java	2021-04-10 22:29:18
9	Sameep Dahal	3373	Java	2022-11-26 01:25:34
10	Alex Lind	3662	Java	2021-08-25 22:17:48

#	User	Length	Language	Date
1	Hidden user	992	Python 2	2021-04-15 02:54:17
2	Andreas Björklund	1620	Python 2	2021-11-23 07:29:54

#	User	Length	Language	Date
1	Peter Seely	580	Python 3	2024-03-22 21:54:19
2	Nicholas Russell Saerang	729	Python 3	2025-03-21 04:57:24
3	Oskar Haarklou Veileborg	853	Python 3	2021-04-03 21:36:03
4	Milad Muhammadi	861	Python 3	2021-10-12 19:41:26
5	Troels Bjerre Lund	887	Python 3	2021-04-06 13:09:18
6	Tylan McKinney	1031	Python 3	2021-04-23 01:24:13
7	David Nilsson	1092	Python 3	2021-07-30 17:19:10
8	Arihant Jain	1128	Python 3	2021-06-20 01:40:05
9	Yosuke Mizutani	1167	Python 3	2021-09-06 07:13:59
10	Vincent Tandya	1251	Python 3	2021-04-30 11:04:19

#	User	Length	Language	Date
1	Hidden user	16333	Rust	2025-10-27 19:58:00
2	Daniel Anker Hermansen	29375	Rust	2024-09-17 09:58:17

Solution running time distribution