Problem A
Free Weights — Problem Statistics

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Submissions	5877
Accepted submissions	1704
Submission ratio	28.99%
Authors	1279
Full solves [?]	1041
Full solve Ratio	81.39%

#	User	Runtime	Language	Date
1	Chenzhang Hu	1.02 s	Bash	2024-04-16 17:39:52

#	User	Runtime	Language	Date
1	Kenneth Langedal	0.02 s	C	2022-11-16 16:02:40
2	John Paul Hanson	0.19 s	C	2019-02-20 05:27:40
3	Jesper Öqvist	0.21 s	C	2018-05-11 19:49:19
4	Markus Mathiasen	0.22 s	C	2022-06-02 13:18:07
5	Øyvind Haarberg	0.29 s	C	2019-01-30 17:12:42
6	Florian Marwitz	0.33 s	C	2020-05-08 16:41:25
7	pengin	0.40 s	C	2021-06-08 13:09:30
8	Ivan Petrov	0.43 s	C	2017-11-16 14:54:45
9	Abhinav Dusi	0.50 s	C	2021-09-12 06:35:45
10	Hidden user	0.52 s	C	2024-08-26 19:05:01

#	User	Runtime	Language	Date
1	Raul Kooter	0.95 s	C#	2016-11-26 22:12:34
2	Steven Heinen	1.69 s	C#	2024-09-05 18:25:57
3	Sturle Elvestad	5.84 s	C#	2019-02-17 23:51:49

#	User	Runtime	Language	Date
1	Kenneth Langedal	0.03 s	C++	2019-03-09 02:51:05
2	Constantijn Dekker	0.05 s	C++	2021-02-13 15:45:13
3	Ethan Dickey	0.05 s	C++	2022-02-18 08:12:18
4	Peter Jin	0.05 s	C++	2023-03-04 18:42:29
5	Steven Gay	0.16 s	C++	2021-09-26 21:18:58
6	Pasapol Saowakon	0.17 s	C++	2017-06-17 06:17:23
7	Markus Løland	0.18 s	C++	2019-02-01 17:45:57
8	Jim Zheng	0.18 s	C++	2020-01-22 17:30:11
9	Tim Gellersen	0.18 s	C++	2020-04-24 16:53:05
10	Markus Mathiasen	0.18 s	C++	2022-06-02 13:20:10

#	User	Runtime	Language	Date
1	Vetle Håland Bergstad	0.63 s	Go	2019-02-12 13:32:34
2	Harald Andersson	0.64 s	Go	2017-06-12 08:45:27
3	Hidden user	2.95 s	Go	2018-02-18 15:10:54

#	User	Runtime	Language	Date
1	Lars Corbijn	5.13 s	Haskell	2018-10-27 19:37:39

#	User	Runtime	Language	Date
1	John Rabaey	0.19 s	Java	2019-02-22 04:24:26
2	David Brink	0.21 s	Java	2017-02-05 16:16:24
3	Godmar Back	0.31 s	Java	2020-10-13 06:16:49
4	Dominic Danborn	0.33 s	Java	2022-02-24 20:23:10
5	Sean Zhang	0.40 s	Java	2022-02-24 23:43:34
6	Payas	0.44 s	Java	2022-02-21 23:44:16
7	Jimmy Dinh	0.44 s	Java	2024-09-18 03:28:47
8	Bjørn Dons	0.57 s	Java	2019-05-04 20:16:53
9	Herman Appelgren	0.63 s	Java	2018-07-20 22:11:40
10	Joost Visser	0.65 s	Java	2017-02-12 15:05:59

#	User	Runtime	Language	Date
1	Christopher Walther	0.66 s	JavaScript (SpiderMonkey)	2021-05-01 00:52:42
2	Christian Pilegaard Cederquist	1.02 s	JavaScript (SpiderMonkey)	2023-07-03 19:34:01
3	Bjørn Chr. Soltvedt	6.44 s	JavaScript (SpiderMonkey)	2022-06-15 09:32:01

#	User	Runtime	Language	Date
1	Adam Rankin	1.88 s	Kotlin	2023-09-28 02:07:37
2	Benjamin Ye	1.89 s	Kotlin	2023-01-30 18:25:08
3	Andreas Wassum	2.15 s	Kotlin	2019-04-18 13:02:46

#	User	Runtime	Language	Date
1	Paul Devlin	0.36 s	Python 2	2019-02-22 04:39:51
2	Øyvind Haarberg	0.72 s	Python 2	2017-11-01 18:02:52
3	Simon Rieß	1.17 s	Python 2	2019-08-25 12:09:09
4	Simon Rainer	1.24 s	Python 2	2016-12-02 10:07:37
5	Iqrar Agalosi Nureyza	1.28 s	Python 2	2018-11-19 10:42:35
6	Josenildo Silva	1.29 s	Python 2	2018-08-07 20:11:40
7	Maj Stenmark	1.32 s	Python 2	2018-05-12 17:15:43
8	Andreas Björklund	1.33 s	Python 2	2018-11-29 20:44:13

#	User	Runtime	Language	Date
1	AlexL	0.39 s	Python 3	2025-05-11 01:44:14
2	Yang Tang	0.42 s	Python 3	2025-05-10 07:21:48
3	John Stanwick	0.46 s	Python 3	2022-02-23 21:35:15
4	Hidden user	0.48 s	Python 3	2021-10-06 22:30:02
5	Constantijn Dekker	0.49 s	Python 3	2021-02-13 13:13:51
6	Christoph Dürr	0.49 s	Python 3	2021-11-23 21:19:49
7	Christoph Dürr	0.50 s	Python 3	2021-11-25 08:57:28
8	Meesum Abbas	0.51 s	Python 3	2024-02-13 05:02:54
9	Anshuman Dash	0.53 s	Python 3	2023-01-31 03:34:21
10	Christine Tu	0.53 s	Python 3	2023-02-01 22:11:28

#	User	Runtime	Language	Date
1	Ivy Wang	0.83 s	Ruby	2023-01-29 07:05:13
2	Frederik Petersen	2.54 s	Ruby	2025-09-05 17:02:50
3	Thomas Feld	4.86 s	Ruby	2023-08-08 08:56:06

#	User	Runtime	Language	Date
1	Stian Soltvedt	0.09 s	Rust	2019-02-05 13:08:43
2	Ole Vik Lysne	0.16 s	Rust	2024-02-02 17:43:47
3	Tuncay Alarcin	0.29 s	Rust	2023-11-12 15:58:11
4	Daniel Anker Hermansen	0.30 s	Rust	2022-11-26 23:08:34
5	Jakob Rødal Skaar	0.30 s	Rust	2024-01-31 19:22:05
6	Niklas Sandén	0.34 s	Rust	2022-11-08 14:27:39
7	Birk Tjelmeland	0.50 s	Rust	2019-01-22 17:15:35
8	Jonathan Cederlund	0.85 s	Rust	2023-05-04 18:37:19

#	User	Length	Language	Date
1	Chenzhang Hu	1610	Bash	2024-04-16 17:39:52

#	User	Length	Language	Date
1	Markus Mathiasen	382	C	2022-06-02 13:18:07
2	John Paul Hanson	482	C	2019-02-20 05:27:40
3	pengin	771	C	2021-06-08 13:09:30
4	Matias Lahti	840	C	2016-11-23 21:53:16
5	Øyvind Haarberg	852	C	2019-01-30 17:14:47
6	Ivan Petrov	1014	C	2017-11-16 14:54:45
7	Abhinav Dusi	1127	C	2021-09-12 06:41:58
8	Kenneth Langedal	1186	C	2022-11-11 11:33:02
9	Hidden user	1337	C	2024-08-26 19:05:01
10	Florian Marwitz	1688	C	2020-05-08 16:41:25

#	User	Length	Language	Date
1	Raul Kooter	1897	C#	2016-11-26 22:12:34
2	Sturle Elvestad	2605	C#	2019-02-17 23:51:49
3	Steven Heinen	12488	C#	2024-09-05 18:25:57

#	User	Length	Language	Date
1	Kjetil Berg	223	C++	2024-02-21 20:10:07
2	Markus Mathiasen	385	C++	2022-06-02 12:57:47
3	Ciprian Stirbu	494	C++	2016-11-21 01:05:56
4	Marek Balaz	520	C++	2017-07-27 22:14:49
5	Giovanni Gaio	527	C++	2023-08-21 18:04:41
6	Andreas Grigorjew	551	C++	2019-01-17 03:34:17
7	Hyunjun Lee	551	C++	2022-12-08 09:50:11
8	Donald Dong	596	C++	2018-08-16 18:42:02
9	Oscar Peulicke	604	C++	2019-11-12 20:21:11
10	William Gan	606	C++	2018-12-09 06:26:08

#	User	Length	Language	Date
1	Hidden user	1533	Go	2018-02-18 15:10:54
2	Harald Andersson	1912	Go	2017-06-12 08:45:27
3	Vetle Håland Bergstad	2615	Go	2019-02-12 13:32:34

#	User	Length	Language	Date
1	Lars Corbijn	595	Haskell	2018-10-27 19:37:39

#	User	Length	Language	Date
1	Doug Goodman	654	Java	2017-12-02 15:08:02
2	Kurtis Van Gent	840	Java	2017-04-08 20:44:53
3	palmatrees	986	Java	2020-11-30 16:39:28
4	Alyssa Palmares	986	Java	2020-11-30 16:42:18
5	John Rabaey	1018	Java	2019-02-20 04:06:14
6	Man Ting Wong	1021	Java	2018-08-01 08:30:37
7	Yuxin Sun	1109	Java	2017-10-25 01:10:23
8	Bohdan Vakhitov	1109	Java	2018-10-21 21:31:39
9	Jiru Xu	1114	Java	2017-11-07 02:01:17
10	Luhao Qi	1123	Java	2023-11-13 08:39:33

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	769	JavaScript (SpiderMonkey)	2023-07-03 19:34:01
2	Bjørn Chr. Soltvedt	1303	JavaScript (SpiderMonkey)	2022-06-15 09:46:46
3	Christopher Walther	2224	JavaScript (SpiderMonkey)	2021-05-01 00:52:42

#	User	Length	Language	Date
1	Benjamin Ye	483	Kotlin	2023-01-30 18:25:08
2	Adam Rankin	1362	Kotlin	2023-09-28 02:07:37
3	Andreas Wassum	2414	Kotlin	2019-04-18 13:02:46

#	User	Length	Language	Date
1	Simon Rainer	375	Python 2	2016-12-02 14:13:57
2	Simon Rieß	375	Python 2	2019-08-25 12:09:09
3	Iqrar Agalosi Nureyza	394	Python 2	2018-11-19 10:42:35
4	Josenildo Silva	452	Python 2	2018-08-07 20:11:40
5	Andreas Björklund	575	Python 2	2018-11-29 20:44:13
6	Øyvind Haarberg	906	Python 2	2017-11-01 18:02:52
7	Maj Stenmark	930	Python 2	2018-05-12 17:15:43
8	Paul Devlin	1408	Python 2	2019-02-22 04:39:51

#	User	Length	Language	Date
1	Anshuman Dash	170	Python 3	2023-01-31 03:34:21
2	Magnus Hokland Hegdahl	238	Python 3	2023-02-13 05:30:16
3	Simon Rainer	266	Python 3	2016-12-02 14:27:45
4	Yang Tang	271	Python 3	2025-05-10 07:21:48
5	Yong Mao	290	Python 3	2023-09-13 17:54:05
6	Alvaro Rodriguez	401	Python 3	2025-01-11 17:03:56
7	Noam Cohen	416	Python 3	2021-02-13 17:04:48
8	Adam Polak	439	Python 3	2025-10-08 20:29:55
9	Mees de Vries	449	Python 3	2020-02-11 14:11:21
10	Daniel Lokshtanov	458	Python 3	2023-02-03 04:21:52

#	User	Length	Language	Date
1	Thomas Feld	112	Ruby	2023-08-08 08:54:53
2	Frederik Petersen	497	Ruby	2025-09-05 17:02:50
3	Ivy Wang	534	Ruby	2023-01-30 10:14:35

#	User	Length	Language	Date
1	Birk Tjelmeland	1074	Rust	2019-01-22 15:57:19
2	Ole Vik Lysne	1243	Rust	2024-02-03 13:50:46
3	Jakob Rødal Skaar	1916	Rust	2024-01-31 19:22:05
4	Tuncay Alarcin	2039	Rust	2023-11-12 15:58:11
5	Niklas Sandén	3427	Rust	2022-11-08 14:17:24
6	Jonathan Cederlund	3937	Rust	2023-05-04 18:37:19
7	Stian Soltvedt	4217	Rust	2019-02-05 13:08:43
8	Daniel Anker Hermansen	11692	Rust	2022-11-26 23:08:34

Solution running time distribution