Problem A
Ironman — Problem Statistics

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Submissions	335
Accepted submissions	56
Submission ratio	16.72%
Authors	59
Accepted authors	43
Author ratio	72.88%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C	2017-07-14 04:52:41
2	Ivan Petrov	0.01 s	C	2019-11-25 09:41:37

#	User	Runtime	Language	Date
1	David Wärn	0.01 s	C++	2016-06-12 11:06:53
2	Dmitry Lyubshin	0.01 s	C++	2018-03-20 23:23:54
3	Lennart Kussner	0.01 s	C++	2020-01-01 14:26:39
4	Marc Phua	0.01 s	C++	2022-02-05 08:15:22
5	Jimmy Dinh	0.01 s	C++	2025-06-16 19:40:06
6	Dilawar Mahmood	0.02 s	C++	2018-11-11 16:19:56
7	Anh Mai Le Xuan	0.02 s	C++	2018-12-27 11:50:34
8	Aryan Rezanejad	0.02 s	C++	2019-05-10 22:10:16
9	Goutham Rajendran	0.02 s	C++	2019-05-25 21:00:54
10	Zicheng Zhen	0.02 s	C++	2019-05-25 23:27:02

#	User	Runtime	Language	Date
1	Intrets	0.17 s	Haskell	2018-11-26 03:31:48

#	User	Runtime	Language	Date
1	Doug Goodman	0.19 s	Java	2020-07-08 21:10:15
2	Josenildo Silva	0.20 s	Java	2017-12-23 12:14:17
3	Bjørn Dons	0.31 s	Java	2018-11-26 00:56:44
4	Finn Lidbetter	0.37 s	Java	2017-06-24 02:34:25
5	Måns Magnusson	0.46 s	Java	2016-06-13 19:37:04
6	Nick Wu	0.64 s	Java	2017-09-11 06:32:07

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Python 2	2017-04-13 22:24:10
2	Jesper Öqvist	0.06 s	Python 2	2018-04-26 18:59:13
3	Maj Stenmark	0.10 s	Python 2	2018-04-26 20:42:05

#	User	Runtime	Language	Date
1	Yong Mao	0.06 s	Python 3	2024-09-25 05:05:06
2	Duoduo Zhao	0.15 s	Python 3	2025-07-24 12:23:18
3	Jiedong Duan	0.18 s	Python 3	2019-05-25 22:37:13
4	Yushi Hu	0.24 s	Python 3	2019-05-25 21:35:06

#	User	Length	Language	Date
1	Ivan Petrov	980	C	2019-11-25 09:41:37
2	Hidden user	1960	C	2017-07-14 04:52:41

#	User	Length	Language	Date
1	Aryan Rezanejad	955	C++	2019-05-10 22:10:16
2	Ethan Guo	958	C++	2018-12-26 11:14:54
3	Dilawar Mahmood	1003	C++	2018-11-11 16:19:56
4	Johan Wind	1005	C++	2017-05-13 01:46:54
5	Goutham Rajendran	1146	C++	2019-05-25 21:00:54
6	Hidden user	1244	C++	2023-05-27 15:53:06
7	Hidden user	1268	C++	2019-07-07 07:14:15
8	David Wärn	1324	C++	2016-06-12 11:06:53
9	Mårten Wiman	1329	C++	2016-06-12 11:51:36
10	Simon Lindholm	1340	C++	2016-06-12 12:48:03

#	User	Length	Language	Date
1	Intrets	2289	Haskell	2018-11-26 03:31:48

#	User	Length	Language	Date
1	Josenildo Silva	1526	Java	2017-12-23 12:14:17
2	Doug Goodman	2078	Java	2020-07-08 21:10:15
3	Finn Lidbetter	2591	Java	2017-06-24 02:34:25
4	Nick Wu	2982	Java	2017-09-11 06:32:07
5	Måns Magnusson	3105	Java	2016-06-13 19:37:04
6	Bjørn Dons	5653	Java	2018-11-26 00:24:34

#	User	Length	Language	Date
1	Hidden user	644	Python 2	2017-04-13 22:24:10
2	Maj Stenmark	883	Python 2	2018-04-26 20:42:05
3	Jesper Öqvist	1100	Python 2	2018-04-26 18:59:13

#	User	Length	Language	Date
1	Yong Mao	555	Python 3	2024-09-25 05:05:06
2	Yushi Hu	1765	Python 3	2019-05-25 21:35:06
3	Jiedong Duan	1783	Python 3	2019-05-25 22:37:13
4	Duoduo Zhao	4042	Python 3	2025-07-24 12:23:18

Solution running time distribution