Problem I
Arriving on Time — Problem Statistics

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Submissions	3387
Accepted submissions	687
Submission ratio	20.28%
Authors	482
Full solves [?]	368
Full solve Ratio	76.35%

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.04 s	C	2018-03-12 19:34:09
2	Ivan Petrov	1.18 s	C	2019-11-06 11:14:15
3	MassProduced Happiness	1.82 s	C	2024-09-19 22:04:23
4	WEI TIANYUE	1.85 s	C	2024-09-19 03:58:37

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	C++	2019-02-03 08:07:41
2	Otto Stadel Clausen	0.05 s	C++	2019-10-01 19:41:01
3	Nikolaj Bläser	0.05 s	C++	2019-10-01 20:11:47
4	Miorel Palii	0.06 s	C++	2018-03-04 04:27:46
5	Boying Li	0.08 s	C++	2022-11-12 20:41:17
6	Liang Wenzhong	0.08 s	C++	2024-09-11 23:25:58
7	Rahul Rajesh	0.09 s	C++	2019-04-14 15:57:44
8	Liu Husong	0.09 s	C++	2019-05-04 09:28:56
9	Frank Endriss	0.09 s	C++	2019-11-20 20:58:33
10	Tan Yee Jian	0.10 s	C++	2018-06-12 09:18:52

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.24 s	Java	2023-01-26 01:29:52
2	Bjørn Dons	0.39 s	Java	2019-05-14 01:03:01
3	Brent Yorgey	0.54 s	Java	2023-12-30 15:03:48
4	Wang Xiao Qi	0.55 s	Java	2024-09-09 08:11:24
5	Nicholas Cheng De Fei	0.61 s	Java	2024-09-16 20:07:08
6	Benjamin Reidys	0.62 s	Java	2019-08-07 17:42:13
7	Måns Magnusson	0.64 s	Java	2018-03-20 14:30:02
8	Dominic Koh	0.64 s	Java	2024-09-20 04:38:35
9	Markus Olsson	0.66 s	Java	2017-11-21 18:07:24
10	DYLAN WONG KIN WAI	0.66 s	Java	2024-09-20 05:20:04

#	User	Runtime	Language	Date
1	Phường Lên	0.78 s	Kotlin	2020-05-10 07:58:52
2	Jacob Huebner	0.86 s	Kotlin	2024-09-04 10:10:29

#	User	Runtime	Language	Date
1	Maj Stenmark	0.51 s	Python 2	2018-04-25 22:19:30
2	Andreas Björklund	0.54 s	Python 2	2019-03-11 20:16:22
3	Lars Åström	0.60 s	Python 2	2018-04-24 23:47:47
4	Oskar Haarklou Veileborg	0.60 s	Python 2	2018-09-06 15:53:36
5	Troels Bjerre Lund	0.70 s	Python 2	2019-05-15 13:53:34

#	User	Runtime	Language	Date
1	Liang Wenzhong	0.46 s	Python 3	2024-09-11 12:55:11
2	Tan Khay Liang	0.47 s	Python 3	2024-09-10 12:21:46
3	keyansheng	0.47 s	Python 3	2024-09-20 11:48:31
4	Wang ShaoFeng	0.48 s	Python 3	2024-09-16 05:10:46
5	Bolin Lu	0.48 s	Python 3	2024-09-16 18:43:50
6	Bruce Li	0.48 s	Python 3	2024-09-20 05:59:52
7	Su Tianshui	0.49 s	Python 3	2024-09-08 06:19:42
8	Tran Phuoc My	0.49 s	Python 3	2024-09-09 06:27:44
9	JIAYAO LIU	0.49 s	Python 3	2024-09-20 07:17:33
10	Gabriella Gloria	0.49 s	Python 3	2025-04-22 22:52:15

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.03 s	Rust	2025-03-14 21:47:07
2	Iwancof	0.07 s	Rust	2023-07-02 16:44:54
3	Daniel Anker Hermansen	0.10 s	Rust	2023-06-17 20:25:28
4	keyansheng	0.57 s	Rust	2024-09-20 07:16:54

#	User	Length	Language	Date
1	Jesper Öqvist	3795	C	2018-03-12 19:34:09
2	WEI TIANYUE	4433	C	2024-09-19 03:58:37
3	MassProduced Happiness	5820	C	2024-09-19 22:04:23
4	Ivan Petrov	5952	C	2019-11-06 11:14:15

#	User	Length	Language	Date
1	Angky Akdi Frandy Putrakelana	420	C++	2024-09-13 22:26:32
2	Clement Oh	915	C++	2024-01-07 17:33:07
3	Albert Ariel Putra	958	C++	2024-09-24 19:36:30
4	Colin	995	C++	2024-01-03 05:54:25
5	ณัฐวุฒิ เจนศักดิ์ดา	1069	C++	2024-01-30 07:01:12
6	張瑋倫	1071	C++	2022-07-26 17:58:07
7	Hidden user	1071	C++	2024-09-18 10:49:23
8	Lawry Sorenson	1082	C++	2023-07-29 00:39:03
9	Nicole Hedblom	1088	C++	2018-04-05 17:34:46
10	Alfredo Beaumont	1101	C++	2021-03-29 22:49:19

#	User	Length	Language	Date
1	Måns Magnusson	2367	Java	2018-03-20 14:30:02
2	Lucas Scharenbroch	2398	Java	2022-11-12 22:19:35
3	Doug Goodman	2405	Java	2020-01-23 18:23:09
4	Gabriel Chai	2423	Java	2022-11-12 23:45:07
5	Oliver James Tan	2424	Java	2024-09-07 10:06:00
6	Morten Flensborg Jensen	2544	Java	2020-04-08 20:00:44
7	Jesper Öqvist	2548	Java	2018-03-12 16:45:27
8	Human	2617	Java	2024-09-16 10:07:17
9	rfcheong9292	2700	Java	2024-09-16 16:53:55
10	Crystal Sharpe	2854	Java	2023-01-26 01:29:52

#	User	Length	Language	Date
1	Phường Lên	1289	Kotlin	2020-05-10 07:58:52
2	Jacob Huebner	1483	Kotlin	2024-09-04 10:10:29

#	User	Length	Language	Date
1	Troels Bjerre Lund	592	Python 2	2019-05-15 13:53:34
2	Andreas Björklund	607	Python 2	2019-03-11 20:16:22
3	Oskar Haarklou Veileborg	767	Python 2	2018-09-06 15:53:36
4	Lars Åström	1006	Python 2	2018-04-24 23:47:47
5	Maj Stenmark	1148	Python 2	2018-04-25 22:19:30

#	User	Length	Language	Date
1	Ahmed Chamseddine	392	Python 3	2025-07-16 17:46:17
2	keyansheng	533	Python 3	2024-09-20 13:19:32
3	Troels Bjerre Lund	592	Python 3	2019-05-15 13:33:41
4	Thore Husfeldt	592	Python 3	2019-05-15 23:04:27
5	Hidden user	605	Python 3	2023-07-06 18:16:12
6	ak	605	Python 3	2023-07-08 10:14:45
7	David Nilsson	607	Python 3	2020-08-15 11:13:24
8	Christian Lebeda	684	Python 3	2022-09-13 17:03:39
9	Albert Ariel Widiaatmaja	696	Python 3	2024-09-19 18:58:13
10	Oskar Haarklou Veileborg	700	Python 3	2018-09-06 15:50:28

#	User	Length	Language	Date
1	keyansheng	2131	Rust	2024-09-20 07:16:54
2	Iwancof	23431	Rust	2023-07-02 16:44:54
3	Daniel Anker Hermansen	24130	Rust	2023-06-17 20:25:28
4	Vincent Lagerros	45338	Rust	2025-03-14 21:47:07

Solution running time distribution