Problem A
Software Bugs — Problem Statistics

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Submissions	692
Accepted submissions	155
Submission ratio	22.40%
Authors	134
Accepted authors	87
Author ratio	64.93%

#	User	Runtime	Language	Date
1	Lukas Polacek	0.06 s	C	2013-10-10 17:41:49
2	Ivan Petrov	0.06 s	C	2019-09-02 14:34:33
3	Hidden user	0.07 s	C	2020-07-23 10:12:55
4	Hidden user	0.09 s	C	2023-01-02 17:02:02

#	User	Runtime	Language	Date
1	Raul Kooter	0.63 s	C#	2016-12-10 23:10:33

#	User	Runtime	Language	Date
1	Ragnar Groot Koerkamp	0.04 s	C++	2015-08-22 16:45:03
2	Hubert Teo	0.04 s	C++	2017-02-12 07:20:59
3	Simon Lindholm	0.05 s	C++	2013-10-10 19:26:30
4	Simon Klein	0.05 s	C++	2015-05-31 13:02:49
5	Yehezkiel Raymundo Theodoroes	0.05 s	C++	2020-12-19 07:57:34
6	Jeremy Lim	0.05 s	C++	2024-09-01 00:22:39
7	Hidden user	0.05 s	C++	2024-12-28 14:39:27
8	Ludo Pulles	0.06 s	C++	2015-10-04 13:29:45
9	Lê Khải Minh	0.06 s	C++	2016-08-16 18:51:01
10	An Xuan Le	0.06 s	C++	2017-04-05 15:21:41

#	User	Runtime	Language	Date
1	Simon Klein	0.45 s	Java	2015-05-31 13:28:53
2	Hà Minh Ngọc	0.54 s	Java	2016-06-30 19:38:10
3	Tal Belkind	0.58 s	Java	2025-05-01 02:41:01
4	Agnay Srivastava	0.58 s	Java	2025-05-05 02:17:29
5	truyen thu	0.84 s	Java	2025-05-06 15:08:19
6	Doug Goodman	0.87 s	Java	2020-11-15 18:28:16
7	Anh Ngo	0.88 s	Java	2025-05-07 02:38:15
8	Nick Wu	0.91 s	Java	2016-06-12 07:33:34
9	Benjamin Reidys	0.91 s	Java	2020-01-09 17:46:09

#	User	Runtime	Language	Date
1	Andreas Björklund	0.31 s	Python 2	2021-12-26 16:27:18
2	Hidden user	0.81 s	Python 2	2019-09-24 17:35:16

#	User	Runtime	Language	Date
1	truyen thu	0.43 s	Python 3	2025-05-03 20:23:32
2	Quang Dao	0.53 s	Python 3	2025-05-03 20:33:35
3	Wenbo Yang	0.90 s	Python 3	2025-05-07 05:11:55

#	User	Runtime	Language	Date
1	Julia Scheaffer	0.15 s	Rust	2022-09-14 04:34:06

#	User	Length	Language	Date
1	Ivan Petrov	1424	C	2019-09-02 14:34:33
2	Lukas Polacek	1593	C	2013-10-10 17:41:49
3	Hidden user	2091	C	2023-01-02 17:02:02
4	Hidden user	2181	C	2020-07-23 10:12:55

#	User	Length	Language	Date
1	Raul Kooter	4075	C#	2016-12-10 23:10:33

#	User	Length	Language	Date
1	Tran Tuong Minh Nguyen	509	C++	2019-09-19 21:09:57
2	Wisse Keizer	514	C++	2016-11-09 01:37:46
3	Matthew Mac Allister	589	C++	2017-05-27 22:01:27
4	Marc Phua	616	C++	2020-12-19 11:17:34
5	Antonio Molina Lovett	653	C++	2016-08-03 08:43:32
6	Rachel Bennett	692	C++	2018-02-06 00:43:45
7	David Song	794	C++	2016-11-05 05:18:28
8	Oskar Haarklou Veileborg	833	C++	2021-05-18 13:19:29
9	Hubert Teo	863	C++	2017-02-12 07:20:59
10	Влад Сытько	869	C++	2025-01-30 14:55:32

#	User	Length	Language	Date
1	Simon Klein	1855	Java	2015-05-31 13:28:53
2	Hà Minh Ngọc	2051	Java	2016-06-30 19:38:10
3	Anh Ngo	2078	Java	2025-05-07 02:38:15
4	truyen thu	2080	Java	2025-05-06 15:09:08
5	Tal Belkind	2109	Java	2025-05-01 02:41:01
6	Doug Goodman	2597	Java	2020-11-15 18:28:16
7	Nick Wu	2903	Java	2016-06-12 07:33:34
8	Benjamin Reidys	3425	Java	2020-01-09 17:46:09
9	Agnay Srivastava	3635	Java	2025-05-05 02:17:29

#	User	Length	Language	Date
1	Andreas Björklund	1288	Python 2	2021-12-26 16:27:18
2	Hidden user	1837	Python 2	2019-09-24 17:42:52

#	User	Length	Language	Date
1	Quang Dao	1177	Python 3	2025-05-03 20:33:35
2	truyen thu	1510	Python 3	2025-05-03 20:23:32
3	Wenbo Yang	2332	Python 3	2025-05-07 05:11:55

#	User	Length	Language	Date
1	Julia Scheaffer	882	Rust	2022-09-14 04:34:06

Solution running time distribution