Problem A
Bumped! — Problem Statistics

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Submissions	6506
Accepted submissions	1482
Submission ratio	22.78%
Authors	1191
Full solves [?]	944
Full solve Ratio	79.26%

#	User	Runtime	Language	Date
1	Mirel Cosulschi	0.07 s	C	2022-11-15 18:18:10
2	Ivan Petrov	0.12 s	C	2019-07-24 08:14:13

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.45 s	C#	2024-02-21 07:28:25

#	User	Runtime	Language	Date
1	Yuanhan Tian	0.04 s	C++	2020-04-23 11:58:29
2	Hidden user	0.04 s	C++	2021-01-24 08:04:08
3	Agis Daniels	0.04 s	C++	2022-02-15 14:17:43
4	JieHao Liao	0.05 s	C++	2017-10-07 18:16:51
5	Duarte Nóbrega	0.05 s	C++	2020-05-06 22:07:06
6	Isaac Xie	0.05 s	C++	2022-08-18 23:56:28
7	Xingyu Zhou	0.06 s	C++	2017-10-07 16:19:49
8	Yiquan Wang	0.06 s	C++	2017-10-07 16:27:00
9	Zexuan Zhong	0.06 s	C++	2017-10-07 16:54:53
10	Changtian Sun	0.06 s	C++	2017-10-07 17:02:26

#	User	Runtime	Language	Date
1	Mitch Price	0.24 s	Go	2017-10-09 05:05:09

#	User	Runtime	Language	Date
1	Stian	1.43 s	Haskell	2022-03-02 15:32:34

#	User	Runtime	Language	Date
1	jun009	0.22 s	Java	2018-11-02 08:47:38
2	Santiago Gutierrez Alzate	0.23 s	Java	2017-10-07 16:17:03
3	Joakim Sunde	0.23 s	Java	2018-10-28 21:20:29
4	Choo Jun Inn Darren	0.26 s	Java	2025-01-07 09:02:48
5	Ahmad Barhamje	0.28 s	Java	2018-08-25 05:15:54
6	Jakob Kallestad	0.32 s	Java	2018-10-29 14:32:30
7	Ariana Herbst	0.41 s	Java	2017-10-07 16:33:00
8	Mehdi Maick	0.42 s	Java	2018-08-24 14:28:35
9	Tore Aadland	0.42 s	Java	2018-11-01 20:04:07
10	Hidden user	0.42 s	Java	2018-11-07 12:25:50

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.67 s	JavaScript (SpiderMonkey)	2023-07-05 20:08:24

#	User	Runtime	Language	Date
1	Jacob Huebner	0.57 s	Kotlin	2022-01-26 21:23:25
2	Phường Lên	0.76 s	Kotlin	2020-08-17 20:23:57
3	Andrew Kronser	1.29 s	Kotlin	2017-10-24 18:18:39

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.35 s	Python 2	2018-05-02 11:55:35
2	Maj Stenmark	0.41 s	Python 2	2018-04-10 19:25:19
3	Haochen Chen	0.55 s	Python 2	2017-10-07 20:04:14
4	Eric Ge	0.60 s	Python 2	2019-09-21 22:50:39
5	Øyvind Haarberg	0.61 s	Python 2	2018-02-20 13:51:37
6	Lars Åström	0.71 s	Python 2	2018-04-11 09:08:12
7	Oskar Haarklou Veileborg	0.74 s	Python 2	2019-09-15 17:08:05
8	Martin Wan	0.79 s	Python 2	2017-10-08 08:43:23
9	David Long	0.82 s	Python 2	2017-10-07 18:37:30
10	Daniel Strizhevsky	0.86 s	Python 2	2017-10-07 19:02:52

#	User	Runtime	Language	Date
1	Ole Vik Lysne	0.26 s	Python 3	2025-10-02 09:07:12
2	Lars Janssen	0.28 s	Python 3	2020-05-20 16:05:01
3	Erlend H Dahl	0.30 s	Python 3	2022-03-07 02:23:53
4	Henrik Olsen Eide	0.30 s	Python 3	2022-03-07 16:49:58
5	Shariq Anwar	0.34 s	Python 3	2023-12-24 10:01:17
6	Imran Rauf	0.34 s	Python 3	2024-01-14 18:12:54
7	Erlend Haugen	0.35 s	Python 3	2022-03-08 07:27:09
8	Roderick Lan	0.35 s	Python 3	2025-12-08 05:01:45
9	Regina Flores Chávez	0.36 s	Python 3	2024-11-27 17:20:11
10	Bharath Shanmugasundaram	0.36 s	Python 3	2025-02-22 11:31:37

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2025-03-04 19:14:22
2	Krish Lal	0.07 s	Rust	2025-11-22 09:53:47
3	Yoeri Otten	0.08 s	Rust	2022-02-19 01:58:14
4	Logan Travis	0.10 s	Rust	2025-11-24 05:10:12

#	User	Length	Language	Date
1	Mirel Cosulschi	2984	C	2022-12-12 14:19:28
2	Ivan Petrov	5623	C	2019-07-24 08:14:13

#	User	Length	Language	Date
1	Andriy Zyevakov	13137	C#	2024-02-21 07:28:25

#	User	Length	Language	Date
1	Elias Lolck	812	C++	2021-04-09 16:15:57
2	Tuukka Korhonen	855	C++	2022-02-10 20:39:17
3	Timothy Mou	947	C++	2023-03-02 19:28:56
4	Andreas Alberg	956	C++	2022-02-14 09:37:20
5	Jackson Abascal	965	C++	2017-10-07 17:12:54
6	David Han	995	C++	2024-09-21 18:39:08
7	Pang Chieh Jason Chiu	1021	C++	2021-01-21 02:34:07
8	Paolo Pellizzoni	1046	C++	2022-03-12 13:38:48
9	Alex Meed	1051	C++	2017-10-07 19:02:50
10	Ng Tze Henn	1054	C++	2023-11-15 06:45:33

#	User	Length	Language	Date
1	Mitch Price	2109	Go	2017-10-09 05:05:09

#	User	Length	Language	Date
1	Stian	7396	Haskell	2022-03-02 15:32:34

#	User	Length	Language	Date
1	Natalie Longtin	1382	Java	2018-03-29 01:57:21
2	Hidden user	1626	Java	2020-06-11 14:05:28
3	Jiru Xu	1782	Java	2017-10-07 17:24:06
4	Steve Tate	1799	Java	2017-10-07 20:17:32
5	William Quiroga	1811	Java	2017-10-07 16:46:27
6	Derick Anderson	1856	Java	2017-10-07 18:55:55
7	Pauline Johnson	1976	Java	2019-11-09 20:26:39
8	Sam Reinehr	1995	Java	2019-10-12 18:19:40
9	Joshua Fair	2010	Java	2017-10-07 17:52:41
10	Juan Torres	2084	Java	2019-11-09 20:55:38

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	4162	JavaScript (SpiderMonkey)	2023-07-05 20:08:24

#	User	Length	Language	Date
1	Phường Lên	2031	Kotlin	2020-08-17 20:23:57
2	Andrew Kronser	2071	Kotlin	2017-10-24 18:18:39
3	Jacob Huebner	2651	Kotlin	2022-01-26 21:23:25

#	User	Length	Language	Date
1	Jeff Robertson	782	Python 2	2017-10-07 17:47:05
2	Martin Wan	800	Python 2	2017-10-08 03:30:56
3	Maj Stenmark	807	Python 2	2018-04-10 19:25:19
4	Oskar Haarklou Veileborg	810	Python 2	2019-09-15 17:08:05
5	Jason Shi	871	Python 2	2017-10-08 21:40:57
6	Lars Åström	877	Python 2	2018-04-11 09:08:12
7	Haochen Chen	970	Python 2	2017-10-07 20:04:14
8	Daniel Strizhevsky	1030	Python 2	2017-10-07 19:02:52
9	Øyvind Haarberg	1098	Python 2	2018-02-20 13:51:37
10	Eric Ge	1130	Python 2	2019-09-21 22:50:39

#	User	Length	Language	Date
1	Weiguo Jiang	617	Python 3	2023-11-11 03:51:57
2	Troels Bjerre Lund	625	Python 3	2021-04-06 21:05:59
3	Wilbert Chu	676	Python 3	2024-09-22 22:23:18
4	Dilhan Salgado	692	Python 3	2024-09-21 19:56:38
5	Simen Sørensen	762	Python 3	2025-09-26 16:09:38
6	Christian Lebeda	776	Python 3	2021-04-09 16:19:25
7	Joey Bloom	780	Python 3	2017-10-08 20:57:10
8	Clement Oh	788	Python 3	2024-01-16 13:44:59
9	Adeline Greene	820	Python 3	2025-02-04 01:11:00
10	Steinar Simonnes	821	Python 3	2023-12-06 13:40:04

#	User	Length	Language	Date
1	Krish Lal	3272	Rust	2025-11-22 09:53:47
2	Logan Travis	3357	Rust	2025-11-24 05:10:12
3	Yoeri Otten	3868	Rust	2022-02-19 01:58:14
4	Vincent Lagerros	18253	Rust	2024-12-04 17:49:09

Solution running time distribution