Problem I
Debug — Problem Statistics

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Submissions	228
Accepted submissions	48
Submission ratio	21.05%
Authors	52
Full solves [?]	34
Full solve Ratio	65.38%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.03 s	C	2019-05-27 08:14:25
2	Sven Rönnbäck	0.95 s	C	2025-05-17 17:53:29

#	User	Runtime	Language	Date
1	Thomas Marlowe	0.01 s	C++	2024-09-18 00:43:21
2	Dmitry Lyubshin	0.02 s	C++	2018-03-12 06:06:03
3	Josenildo Silva	0.03 s	C++	2018-07-03 00:29:03
4	Tigran Hakobyan	0.04 s	C++	2019-10-06 15:47:25
5	Ivan Carvalho	0.06 s	C++	2018-05-31 00:01:12
6	Ambrose Feinstein	0.10 s	C++	2017-12-22 23:17:27
7	Nils Gustafsson	0.11 s	C++	2017-09-12 20:17:39
8	amongus	0.11 s	C++	2025-01-08 20:31:57
9	Alexander Skidanov	0.11 s	C++	2025-01-08 20:46:31
10	Johan Wind	0.12 s	C++	2018-09-18 14:54:03

#	User	Runtime	Language	Date
1	Nick Wu	0.31 s	Java	2022-03-14 22:11:16

#	User	Runtime	Language	Date
1	Jacob Huebner	0.35 s	Kotlin	2022-03-12 07:59:35

#	User	Runtime	Language	Date
1	Rafael Rivas	0.13 s	Pascal	2018-01-03 10:13:49

#	User	Runtime	Language	Date
1	Andreas Björklund	0.27 s	Python 2	2019-09-14 10:11:47
2	Måns Magnusson	0.74 s	Python 2	2018-07-25 23:11:08
3	Lars Åström	0.93 s	Python 2	2018-07-26 15:29:06

#	User	Runtime	Language	Date
1	Peter Stauder	0.14 s	Python 3	2023-05-20 20:10:43
2	Duoduo Zhao	0.47 s	Python 3	2025-08-30 01:40:11

#	User	Length	Language	Date
1	Sven Rönnbäck	1255	C	2025-05-17 17:53:29
2	Ivan Petrov	2516	C	2019-05-27 08:14:25

#	User	Length	Language	Date
1	Nicholas Winschel	1010	C++	2023-10-31 20:19:52
2	Lutz Lehmann	1470	C++	2022-02-17 19:04:59
3	Ambrose Feinstein	1483	C++	2017-12-22 23:17:27
4	Thomas Marlowe	1589	C++	2024-09-18 00:43:21
5	Josenildo Silva	1663	C++	2018-07-03 00:29:03
6	Ivan Carvalho	1713	C++	2018-05-31 00:01:12
7	Heehyun Park	1824	C++	2020-03-10 23:44:18
8	Johan Wind	1931	C++	2018-09-18 14:54:03
9	amongus	2209	C++	2025-01-08 20:31:57
10	Alexander Skidanov	2209	C++	2025-01-08 20:46:31

#	User	Length	Language	Date
1	Nick Wu	3879	Java	2022-03-14 22:11:16

#	User	Length	Language	Date
1	Jacob Huebner	3388	Kotlin	2022-03-12 07:59:35

#	User	Length	Language	Date
1	Rafael Rivas	3439	Pascal	2018-01-03 10:13:49

#	User	Length	Language	Date
1	Måns Magnusson	1742	Python 2	2018-07-25 23:11:08
2	Lars Åström	1837	Python 2	2018-07-26 15:29:06
3	Andreas Björklund	2306	Python 2	2019-09-14 10:11:47

#	User	Length	Language	Date
1	Peter Stauder	721	Python 3	2023-05-20 20:10:43
2	Duoduo Zhao	3107	Python 3	2025-08-30 01:40:11

Solution running time distribution