Problem A
Waif Until Dark — Problem Statistics

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Submissions	3729
Accepted submissions	1291
Submission ratio	34.62%
Authors	900
Full solves [?]	797
Full solve Ratio	88.56%

#	User	Runtime	Language	Date
1	Christoffer Danborg Irvall	0.00 s	C	2020-10-24 14:08:07
2	Hidden user	0.00 s	C	2023-01-09 22:14:41
3	Alexander Bilde Pedersen	0.00 s	C	2023-03-07 21:46:38

#	User	Runtime	Language	Date
1	Mathias Brännström	0.02 s	C#	2022-11-18 11:50:21
2	Muskan Shrestha	0.03 s	C#	2020-10-10 21:04:03
3	Alma Freiesleben	0.03 s	C#	2020-10-12 12:09:10
4	Elitsa Marinovska	0.03 s	C#	2020-10-17 21:52:29
5	Magnus Hermansen	0.03 s	C#	2020-10-20 00:59:10
6	David de Lima Fraga Alves	0.03 s	C#	2020-10-20 20:14:19
7	Pavel Dmitriyevich Rodin	0.03 s	C#	2020-10-20 21:10:29
8	Amanda Rasille	0.03 s	C#	2021-10-19 19:42:10
9	Hidden user	0.03 s	C#	2021-10-19 21:38:27
10	Nicolai Pallund	0.03 s	C#	2021-10-23 14:56:11

#	User	Runtime	Language	Date
1	Line Dejgaard	0.00 s	Go	2023-10-04 20:42:52
2	Norbert Voelker	0.08 s	Go	2021-08-18 01:30:48

#	User	Runtime	Language	Date
1	Mahmood Mohammed Seoud	0.05 s	Java	2024-10-13 23:38:37
2	Ellen Yue Daetz	0.05 s	Java	2024-10-14 15:11:46
3	Ivaylo Nikolov	0.05 s	Java	2024-10-22 15:16:07
4	Ronald Cruz	0.06 s	Java	2017-11-04 19:37:57
5	Bjørn Dons	0.06 s	Java	2023-06-03 21:06:03
6	Taras Romanyuk	0.06 s	Java	2024-12-18 23:37:04
7	Daniel Moyer	0.07 s	Java	2017-11-04 20:34:35
8	Herbert Li	0.07 s	Java	2017-11-11 04:29:07
9	Eimhin McDonald	0.07 s	Java	2017-11-16 21:18:45
10	Brent Yorgey	0.07 s	Java	2018-11-22 19:49:20

#	User	Runtime	Language	Date
1	Oscar Peulicke	0.73 s	JavaScript (Node.js)	2020-10-24 21:45:34

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2024-02-16 01:34:55
2	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-06-04 16:16:57

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2021-04-11 10:38:03
2	Nicholas Johnson	0.16 s	Kotlin	2021-03-30 07:15:21
3	Benjamin Ye	0.16 s	Kotlin	2023-02-12 05:47:11
4	Kiel Dowdle	0.17 s	Kotlin	2021-03-30 23:33:34
5	Mateo Wang	0.20 s	Kotlin	2023-02-18 10:00:11
6	Hidden user	0.22 s	Kotlin	2023-06-20 16:11:59

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.04 s	Python 2	2018-11-10 21:03:59
2	Maj Stenmark	0.05 s	Python 2	2019-10-21 23:24:43
3	Amalie Anderson	0.06 s	Python 2	2020-10-19 21:17:42
4	Andreas Björklund	0.06 s	Python 2	2021-05-27 20:37:53
5	Sebastian Mateos Nicolajsen	0.11 s	Python 2	2020-10-08 10:38:54

#	User	Runtime	Language	Date
1	Torstein Strømme	0.03 s	Python 3	2019-03-26 14:21:30
2	Prateek Bhakta	0.03 s	Python 3	2019-10-14 02:07:48
3	Christoffer Tofteng	0.05 s	Python 3	2022-10-26 12:53:23
4	Casper Rysgaard	0.05 s	Python 3	2024-09-12 16:31:51
5	Otto Jacobsen	0.05 s	Python 3	2024-10-02 12:31:48
6	Mads Greve Andersen	0.05 s	Python 3	2024-10-07 10:30:11
7	Rasmus Balthazar Rødgaard Andreasen	0.05 s	Python 3	2024-10-20 12:12:23
8	Erling Amundsen	0.05 s	Python 3	2024-10-22 16:34:42
9	Aleksandar Obrovac	0.05 s	Python 3	2025-09-01 22:36:04
10	Hidden user	0.05 s	Python 3	2025-10-02 14:33:22

#	User	Runtime	Language	Date
1	Stian Soltvedt	0.00 s	Rust	2019-04-13 13:08:32
2	Adam Guangwei Yu	0.00 s	Rust	2023-02-10 05:03:00
3	Jianghua Wang	0.00 s	Rust	2023-02-14 06:16:47
4	Ryan Chau	0.00 s	Rust	2023-02-17 04:02:17
5	Otakar Hirs	0.00 s	Rust	2023-05-01 21:40:06
6	Tommaso Cammelli	0.00 s	Rust	2023-10-24 18:22:22
7	Bas Dirks	0.00 s	Rust	2024-02-13 11:25:45
8	Emil Hultcrantz	0.00 s	Rust	2025-02-28 15:53:22
9	Johan Flensmark	0.01 s	Rust	2022-10-15 20:31:01
10	Justin Nguyen Vo	0.01 s	Rust	2023-02-12 03:30:29

#	User	Length	Language	Date
1	Hidden user	1760	C	2023-01-09 22:14:41
2	Alexander Bilde Pedersen	7577	C	2023-03-07 21:46:38
3	Christoffer Danborg Irvall	13104	C	2020-10-24 14:08:07

#	User	Length	Language	Date
1	Michael Daniel Fabiriucs	3547	C#	2024-10-22 14:25:48
2	Magnus Hermansen	3688	C#	2020-10-20 00:59:10
3	Rafael Steffen Nguyen Jensen	3735	C#	2025-03-21 02:13:45
4	Frederik Godske Rasmussen	4007	C#	2021-10-20 13:02:19
5	Lukas L. Hjelmstrand	4007	C#	2024-10-14 19:46:15
6	Nicolai Pallund	4172	C#	2021-10-23 14:56:11
7	Hidden user	4258	C#	2021-10-19 21:38:27
8	David de Lima Fraga Alves	4769	C#	2020-10-20 20:14:19
9	Anssi Lahtinen	4790	C#	2022-11-15 00:04:00
10	Jonas Røssum	4899	C#	2023-10-23 13:29:53

#	User	Length	Language	Date
1	Johan Wind	1141	C++	2018-10-13 00:02:08
2	Zane Yu	1322	C++	2019-01-11 13:55:22
3	Noam Cohen	1431	C++	2022-06-07 16:12:22
4	Ricardo Ruiz	1491	C++	2022-06-14 04:20:42
5	Joseph Richard	1576	C++	2019-05-31 19:20:51
6	Nguyễn Quang Long	1576	C++	2019-05-31 19:21:07
7	Duarte Nóbrega	1604	C++	2019-09-07 20:22:53
8	人外沙耶	1626	C++	2020-12-18 17:50:33
9	Dmitry Lyubshin	1669	C++	2018-07-10 15:08:54
10	Antoni Guz	1709	C++	2018-04-01 00:30:53

#	User	Length	Language	Date
1	Norbert Voelker	4665	Go	2021-08-18 01:30:48
2	Line Dejgaard	6794	Go	2023-10-04 20:42:52

#	User	Length	Language	Date
1	Eimhin McDonald	1858	Java	2017-11-16 21:18:45
2	Sam Huynh	2195	Java	2021-02-21 02:34:16
3	Emilie Hyslop	2280	Java	2021-02-21 02:40:28
4	Doug Goodman	2381	Java	2018-06-12 21:02:35
5	Ronald Cruz	3019	Java	2017-11-04 19:37:57
6	Duncan Page	3047	Java	2019-09-06 04:42:14
7	Crystal Sharpe	3051	Java	2021-02-02 06:17:29
8	Toan Vu	3118	Java	2020-03-12 00:29:11
9	Mahmood Mohammed Seoud	3149	Java	2024-10-13 23:38:37
10	amanda bache	3197	Java	2024-10-22 13:52:26

#	User	Length	Language	Date
1	Oscar Peulicke	3042	JavaScript (Node.js)	2020-10-24 21:45:34

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1633	JavaScript (SpiderMonkey)	2024-02-16 01:53:48
2	Christian Pilegaard Cederquist	6665	JavaScript (SpiderMonkey)	2023-06-04 16:16:57

#	User	Length	Language	Date
1	Benjamin Ye	464	Kotlin	2023-02-15 08:15:43
2	Hidden user	2005	Kotlin	2023-06-20 16:11:59
3	Mateo Wang	3499	Kotlin	2023-02-18 10:00:11
4	Jacob Huebner	3656	Kotlin	2021-04-11 10:38:03
5	Kiel Dowdle	4986	Kotlin	2021-03-30 23:45:19
6	Nicholas Johnson	5342	Kotlin	2021-03-30 07:15:21

#	User	Length	Language	Date
1	Maj Stenmark	1842	Python 2	2019-10-21 23:24:43
2	Andreas Björklund	2162	Python 2	2021-05-27 20:37:53
3	Jesper Öqvist	4015	Python 2	2018-11-10 21:03:59
4	Sebastian Mateos Nicolajsen	4078	Python 2	2020-10-08 10:42:44
5	Amalie Anderson	7146	Python 2	2020-10-19 21:17:42

#	User	Length	Language	Date
1	Thore Husfeldt	862	Python 3	2020-10-21 22:10:10
2	Christian Lebeda	912	Python 3	2020-10-21 23:13:23
3	Peter Stauder	1103	Python 3	2022-10-16 21:02:34
4	Natalie Clara Petersen	1293	Python 3	2025-10-08 17:04:59
5	Ruben Oliver Jonsman	1367	Python 3	2023-10-07 23:12:41
6	Simon Green Kristensen	1386	Python 3	2022-10-21 17:23:10
7	Robin Ask Rohr Halberg	1389	Python 3	2023-10-04 23:13:09
8	Jakob Israelsen	1410	Python 3	2021-04-06 14:33:34
9	Bjarke Brodin	1467	Python 3	2022-10-17 23:26:28
10	Oskar Haarklou Veileborg	1523	Python 3	2020-05-05 08:10:37

#	User	Length	Language	Date
1	Jianghua Wang	2856	Rust	2023-02-14 06:16:47
2	Stian Soltvedt	3306	Rust	2019-04-13 13:08:32
3	Rolf Martin Glomsrud	3504	Rust	2023-05-15 03:13:43
4	Justin Nguyen Vo	3772	Rust	2023-02-12 03:30:29
5	Daniel Liland	3859	Rust	2023-05-02 21:09:15
6	Tommaso Cammelli	3861	Rust	2023-10-24 18:22:22
7	Bas Dirks	4945	Rust	2024-02-13 11:33:46
8	Otakar Hirs	5405	Rust	2023-05-01 21:40:06
9	Adam Guangwei Yu	6500	Rust	2023-02-10 05:03:00
10	Johan Flensmark	7345	Rust	2022-10-31 13:58:45

Solution running time distribution