Problem F
Ringworld — Problem Statistics

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Submissions	271
Accepted submissions	68
Submission ratio	25.09%
Authors	70
Accepted authors	47
Author ratio	67.14%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.40 s	C	2019-09-18 14:07:04
2	Andreas Björklund	0.74 s	C	2021-11-18 07:07:04

#	User	Runtime	Language	Date
1	How Si Wei	0.32 s	C++	2017-01-31 04:55:10
2	Alex Dai	0.36 s	C++	2017-11-26 07:57:26
3	Paul Wild	0.37 s	C++	2019-01-01 20:16:56
4	Federico Glaudo	0.39 s	C++	2017-10-20 15:41:19
5	Lim Li	0.40 s	C++	2018-04-04 11:14:45
6	Kevin Lee	0.43 s	C++	2017-08-23 14:16:19
7	Hidden user	0.44 s	C++	2020-12-19 06:29:34
8	Yehezkiel Raymundo Theodoroes	0.53 s	C++	2020-12-19 03:49:05
9	Brandon Zhang	0.55 s	C++	2022-02-16 10:30:40
10	Nick Wu	0.57 s	C++	2021-03-01 11:47:14

#	User	Runtime	Language	Date
1	Benjamin Reidys	1.34 s	Java	2019-05-30 02:20:52
2	Bjørn Dons	1.63 s	Java	2023-05-25 12:43:35
3	Suhas T. Nagar	2.87 s	Java	2022-10-30 22:36:33

#	User	Runtime	Language	Date
1	Harry Zhang	1.72 s	Python 3	2025-06-10 13:13:55

#	User	Length	Language	Date
1	Andreas Björklund	1867	C	2021-11-18 07:07:04
2	Ivan Petrov	45745	C	2019-09-18 14:07:04

#	User	Length	Language	Date
1	Josenildo Silva	769	C++	2017-03-03 00:35:44
2	How Si Wei	1055	C++	2017-01-31 04:55:10
3	Hidden user	1058	C++	2015-11-16 08:44:24
4	Brandon Zhang	1074	C++	2022-02-16 10:30:40
5	Yupeng Gu	1123	C++	2019-03-16 06:18:21
6	Ishan Rakholiya	1123	C++	2020-12-07 23:00:43
7	Wu Jinyi	1133	C++	2017-12-02 00:09:21
8	Alex Dai	1147	C++	2017-11-26 07:57:26
9	Arvin Ding	1215	C++	2022-10-30 20:52:48
10	Hua Jun	1280	C++	2018-10-29 12:50:10

#	User	Length	Language	Date
1	Suhas T. Nagar	2564	Java	2022-10-30 22:36:33
2	Benjamin Reidys	3891	Java	2019-05-30 02:20:52
3	Bjørn Dons	6881	Java	2023-05-25 12:43:35

#	User	Length	Language	Date
1	Harry Zhang	1016	Python 3	2025-06-10 13:13:55

Solution running time distribution