Problem I
ISP Merger — Problem Statistics

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Submissions	326
Accepted submissions	78
Submission ratio	23.93%
Authors	84
Full solves [?]	60
Full solve Ratio	71.43%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.05 s	C	2019-11-04 15:33:53

#	User	Runtime	Language	Date
1	Johan Sannemo	0.03 s	C++	2021-11-09 09:30:52
2	Kaiheng Dai	0.03 s	C++	2022-01-30 23:17:56
3	Nguyễn Thành Minh	0.03 s	C++	2022-02-05 20:40:31
4	Zhenyuan Xiang	0.03 s	C++	2022-02-05 23:31:02
5	Lawry Sorenson	0.03 s	C++	2024-07-19 17:37:40
6	Jeroen Op de Beek	0.03 s	C++	2024-10-12 02:26:48
7	Alexander Kravberg	0.03 s	C++	2024-12-05 22:14:22
8	Matthew Tran	0.04 s	C++	2021-03-04 07:52:07
9	nlog	0.04 s	C++	2021-09-26 14:21:59
10	Shuangmu Hu	0.04 s	C++	2022-01-30 22:45:41

#	User	Runtime	Language	Date
1	Bjørn Dons	0.19 s	Java	2023-06-18 18:42:00
2	Hidden user	0.41 s	Java	2022-02-09 11:24:54
3	Benjamin Reidys	0.43 s	Java	2019-01-29 04:07:38
4	Doug Goodman	0.63 s	Java	2021-07-11 17:04:14

#	User	Runtime	Language	Date
1	Jacob Huebner	0.31 s	Kotlin	2022-02-05 18:24:00

#	User	Runtime	Language	Date
1	Øyvind Haarberg	0.17 s	Python 2	2019-02-21 15:24:25
2	Andreas Björklund	0.22 s	Python 2	2018-12-25 09:00:36

#	User	Runtime	Language	Date
1	Duoduo Zhao	0.30 s	Python 3	2025-08-11 21:43:20
2	Måns Magnusson	0.31 s	Python 3	2021-09-09 19:09:59
3	Maj Stenmark	0.31 s	Python 3	2021-09-30 19:41:40
4	Teikn Smith	0.49 s	Python 3	2022-02-18 18:47:11
5	Hidden user	0.62 s	Python 3	2023-01-16 17:11:49
6	Lamed 2	0.65 s	Python 3	2020-04-06 14:37:10

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Rust	2025-09-15 19:44:06

#	User	Length	Language	Date
1	Ivan Petrov	6579	C	2019-11-04 15:33:53

#	User	Length	Language	Date
1	Dmitry Lyubshin	1240	C++	2023-06-03 03:10:26
2	Johan Wind	1277	C++	2018-11-14 14:40:56
3	Shuangmu Hu	1418	C++	2022-01-30 22:45:41
4	Andrew Tang	1487	C++	2022-02-05 22:40:48
5	Peter Kwak	1511	C++	2022-02-05 21:14:43
6	Owen Eckart	1511	C++	2022-02-05 22:55:56
7	Moses Xu	1551	C++	2022-02-05 20:27:37
8	Zhenyuan Xiang	1638	C++	2022-02-05 23:31:02
9	David Zheng	1670	C++	2018-12-07 09:48:31
10	Ian DeHaan	1721	C++	2022-02-05 23:40:44

#	User	Length	Language	Date
1	Doug Goodman	2695	Java	2021-07-11 17:04:14
2	Benjamin Reidys	6898	Java	2019-01-29 04:07:38
3	Bjørn Dons	7676	Java	2023-06-18 18:42:00
4	Hidden user	11939	Java	2022-02-09 11:24:54

#	User	Length	Language	Date
1	Jacob Huebner	5914	Kotlin	2022-02-05 18:24:00

#	User	Length	Language	Date
1	Andreas Björklund	920	Python 2	2018-12-25 09:00:36
2	Øyvind Haarberg	2007	Python 2	2019-02-21 15:24:25

#	User	Length	Language	Date
1	Måns Magnusson	1716	Python 3	2021-09-09 19:09:59
2	Maj Stenmark	1716	Python 3	2021-09-30 19:41:40
3	Duoduo Zhao	2171	Python 3	2025-08-11 21:43:20
4	Teikn Smith	2264	Python 3	2022-02-18 18:47:11
5	Hidden user	4006	Python 3	2023-01-16 17:11:49
6	Lamed 2	4318	Python 3	2020-04-06 14:37:10

#	User	Length	Language	Date
1	Hidden user	18745	Rust	2025-09-15 19:44:06

Solution running time distribution