Problem A
Power Strings — Problem Statistics

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Submissions	7904
Accepted submissions	1892
Submission ratio	23.94%
Authors	1513
Full solves [?]	1006
Full solve Ratio	66.49%

#	User	Runtime	Language	Date
1	Isaac Saffold	0.01 s	C	2019-10-24 21:48:29
2	Bernd Schmidt	0.05 s	C	2017-05-10 01:07:33
3	Jonathan Ibrahim	0.06 s	C	2021-01-20 10:45:10
4	Vu Minh Hieu	0.06 s	C	2021-09-28 20:45:14
5	Amad Askor	0.07 s	C	2016-09-09 18:21:22
6	Hrant Hovhannisyan	0.07 s	C	2017-04-16 10:31:13
7	Nicklas Elyoenai Imbiri	0.07 s	C	2017-09-05 08:59:51
8	Reddy Nishanth	0.07 s	C	2017-10-16 20:20:17
9	Yang Li	0.07 s	C	2018-05-19 02:53:23
10	Ivan Petrov	0.07 s	C	2019-09-13 10:13:36

#	User	Runtime	Language	Date
1	Brian Scott	0.19 s	C#	2018-09-13 19:33:44
2	Peti29	0.20 s	C#	2017-05-07 02:49:46
3	Brian Kirby	0.23 s	C#	2017-05-07 06:33:12
4	Asbjørn Engås	0.29 s	C#	2021-10-24 21:09:05
5	Apurav Khare	0.31 s	C#	2021-11-13 04:46:10

#	User	Runtime	Language	Date
1	Lin Lee	0.01 s	C++	2016-06-24 16:02:13
2	Abdul Malik Nurrokhman	0.04 s	C++	2018-06-05 09:36:14
3	Per Persson	0.05 s	C++	2016-06-20 14:13:01
4	Ludo Pulles	0.05 s	C++	2016-07-18 00:38:03
5	Farrel Dwireswara Salim	0.05 s	C++	2023-04-01 15:53:30
6	Tianci Wang	0.06 s	C++	2016-11-16 22:26:05
7	Vo Thanh Vu	0.07 s	C++	2016-03-07 12:42:08
8	Mehdi Maick	0.07 s	C++	2016-08-02 23:30:19
9	Vo Thanh Vu	0.07 s	C++	2016-11-06 11:08:37
10	Fredrik Sebek	0.07 s	C++	2017-02-27 21:38:06

#	User	Runtime	Language	Date
1	Sebastian Sternberg	0.35 s	F#	2025-01-23 09:00:09

#	User	Runtime	Language	Date
1	James Robb	0.52 s	Go	2020-05-04 15:46:11
2	James Robb	0.52 s	Go	2020-05-12 12:20:48

#	User	Runtime	Language	Date
1	Raziel	0.15 s	Haskell	2025-10-22 22:54:10
2	Morten Lohne	0.52 s	Haskell	2018-04-17 20:42:15

#	User	Runtime	Language	Date
1	David Brink	0.24 s	Java	2017-05-11 17:22:36
2	Mehdi Maick	0.31 s	Java	2018-08-24 20:31:23
3	Jack Min Ong	0.34 s	Java	2020-04-04 18:33:54
4	Rasmus Andersson	0.34 s	Java	2021-02-28 03:37:10
5	Bjørn Dons	0.35 s	Java	2018-10-20 17:11:35
6	Anil Ghimire	0.36 s	Java	2018-05-21 18:48:49
7	Simon Xue	0.37 s	Java	2016-04-11 06:54:14
8	Paul Boddington	0.38 s	Java	2017-02-05 14:48:30
9	Christoph Gross	0.38 s	Java	2018-05-20 21:01:51
10	Mouad Naciri	0.38 s	Java	2018-12-06 17:47:04

#	User	Runtime	Language	Date
1	Jacob Huebner	0.54 s	Kotlin	2020-06-25 08:20:19
2	Hidden user	0.76 s	Kotlin	2020-04-28 04:19:29
3	Ho Chan	0.94 s	Kotlin	2022-10-17 10:17:31
4	Adam Rankin	1.92 s	Kotlin	2023-10-25 22:40:30

#	User	Runtime	Language	Date
1	Fred Bloggs	0.10 s	Python 2	2019-03-19 11:55:34
2	Tommy Odland	0.12 s	Python 2	2018-04-20 18:41:23
3	Torstein Strømme	0.24 s	Python 2	2018-01-03 13:54:34
4	Yan Kalchevsky	0.29 s	Python 2	2018-12-11 16:29:26
5	Måns Magnusson	0.30 s	Python 2	2018-06-20 12:48:44
6	Lim Hong Hui Eugene	0.30 s	Python 2	2019-04-08 09:06:23
7	Björn Gunnarsson	0.35 s	Python 2	2018-05-13 22:16:00
8	Денис Соболев	0.42 s	Python 2	2019-05-12 10:25:06
9	Gunvor Lemvik	0.46 s	Python 2	2018-05-01 14:55:18
10	Ciara Godwin	0.56 s	Python 2	2017-08-28 23:16:53

#	User	Runtime	Language	Date
1	Got Yaoi	0.05 s	Python 3	2018-05-25 00:40:23
2	Fred Bloggs	0.09 s	Python 3	2019-03-19 11:42:51
3	Toshihiro Ito	0.14 s	Python 3	2022-06-10 10:03:04
4	Thomas Lacasse	0.16 s	Python 3	2025-01-16 04:18:36
5	Akshay Gupta	0.17 s	Python 3	2017-12-07 03:18:37
6	Kári Mímisson	0.17 s	Python 3	2018-08-24 11:03:11
7	Tommaso Green	0.17 s	Python 3	2019-12-01 22:42:41
8	Yong Mao	0.17 s	Python 3	2023-01-31 00:06:13
9	John Smith	0.18 s	Python 3	2019-01-31 07:11:53
10	Philip Andersson	0.18 s	Python 3	2019-02-27 01:41:32

#	User	Runtime	Language	Date
1	Thomas Feld	1.74 s	Ruby	2025-08-26 13:20:12

#	User	Runtime	Language	Date
1	Rasmus Andersson	0.02 s	Rust	2021-03-01 17:35:04
2	Daniel Liland	0.05 s	Rust	2023-05-15 01:09:35
3	Kevin Wenström	0.07 s	Rust	2021-02-26 14:09:23
4	Filip Ramslöv	0.07 s	Rust	2021-02-26 17:14:57
5	Fabian Andréasson	0.08 s	Rust	2021-04-09 14:56:26
6	Eskil Queseth	0.11 s	Rust	2020-02-22 15:23:36
7	Aidan Boisvert	0.11 s	Rust	2024-12-06 18:44:09
8	Iwancof	0.12 s	Rust	2023-06-12 09:43:23
9	Vincent Lagerros	0.15 s	Rust	2024-05-20 17:16:29
10	Oscar Eriksson	0.18 s	Rust	2025-02-12 22:15:26

#	User	Length	Language	Date
1	Alexander Bilde Pedersen	184	C	2023-05-14 02:13:14
2	Hrant Hovhannisyan	333	C	2017-04-16 10:31:13
3	Ivan Petrov	345	C	2019-09-13 10:13:36
4	Amad Askor	369	C	2016-09-09 18:21:22
5	Nicklas Elyoenai Imbiri	369	C	2017-09-05 08:59:51
6	Reddy Nishanth	369	C	2017-10-16 20:20:17
7	Jonathan Ibrahim	369	C	2021-01-20 10:45:10
8	Vu Minh Hieu	369	C	2021-09-28 20:45:14
9	Nejc Košmrl	369	C	2023-08-15 20:03:19
10	Yang Li	471	C	2018-05-19 02:53:23

#	User	Length	Language	Date
1	Brian Scott	1251	C#	2018-09-13 19:33:44
2	Brian Kirby	1596	C#	2017-05-07 06:33:12
3	Asbjørn Engås	1703	C#	2021-10-24 20:47:46
4	Apurav Khare	1757	C#	2021-11-13 04:46:10
5	Peti29	1876	C#	2017-05-07 02:49:46

#	User	Length	Language	Date
1	Magnus Hokland Hegdahl	179	C++	2023-11-15 01:22:37
2	Mattéo Delabre	336	C++	2022-10-06 23:15:41
3	INFO PRO	382	C++	2019-03-29 11:17:51
4	Dean Menezes	390	C++	2022-11-23 00:24:57
5	MELLAL	396	C++	2018-12-07 01:24:21
6	Luciano Arnaldo Romero Calla	397	C++	2021-08-04 18:45:13
7	Hadir Amine	398	C++	2018-12-15 23:53:02
8	Ragur Krishnan	399	C++	2018-09-22 04:39:13
9	Ayoube Eddakhly	402	C++	2018-08-25 19:04:51
10	Hamza El Makrini	404	C++	2018-08-21 14:30:20

#	User	Length	Language	Date
1	Sebastian Sternberg	701	F#	2025-01-23 09:00:09

#	User	Length	Language	Date
1	James Robb	910	Go	2020-05-04 15:46:11
2	James Robb	910	Go	2020-05-12 12:20:48

#	User	Length	Language	Date
1	Morten Lohne	804	Haskell	2018-04-17 20:44:12
2	Raziel	1540	Haskell	2025-10-22 22:54:10

#	User	Length	Language	Date
1	Vedant Kumud	557	Java	2020-06-21 02:50:40
2	Doug Goodman	577	Java	2018-04-03 14:12:40
3	Micah Stairs	598	Java	2015-09-17 16:37:52
4	William Fiset	611	Java	2016-02-06 13:44:20
5	Markus Bao	636	Java	2022-10-05 23:05:19
6	Quan Chau	638	Java	2017-07-07 16:14:05
7	Leo Smulansky	729	Java	2023-11-29 19:10:55
8	Shuaishuai Jiang	828	Java	2022-03-17 19:12:33
9	Crystal Sharpe	840	Java	2022-02-24 02:13:28
10	Asher Nejezchleb	844	Java	2022-10-02 04:39:19

#	User	Length	Language	Date
1	Adam Rankin	556	Kotlin	2023-10-25 22:40:30
2	Ho Chan	762	Kotlin	2022-10-17 10:17:31
3	Jacob Huebner	765	Kotlin	2020-06-25 08:20:19
4	Hidden user	1682	Kotlin	2020-04-28 04:19:29

#	User	Length	Language	Date
1	Yang Li	339	Python 2	2018-05-20 10:20:58
2	Magnus Øian	352	Python 2	2018-05-27 20:36:22
3	Johan Lyts	373	Python 2	2019-08-05 14:36:58
4	YiHong Luo	430	Python 2	2017-03-25 15:35:49
5	Денис Соболев	436	Python 2	2019-05-12 10:25:06
6	Måns Magnusson	439	Python 2	2018-06-20 12:48:44
7	Brandon Sovran	445	Python 2	2022-03-10 03:04:06
8	Ciara Godwin	453	Python 2	2017-08-28 23:16:53
9	Yan Kalchevsky	522	Python 2	2018-12-11 16:29:26
10	Simon Halvorsen	541	Python 2	2018-05-05 15:00:49

#	User	Length	Language	Date
1	Shashank Bhatt	139	Python 3	2023-07-28 15:52:26
2	Tristan van Leeuwen	148	Python 3	2015-05-26 21:54:52
3	Hidden user	149	Python 3	2025-12-01 01:17:58
4	Simon Andersen	220	Python 3	2023-04-26 10:50:03
5	Sindre Sørensen	237	Python 3	2018-05-21 23:45:44
6	Ahmed Mhedhbi	251	Python 3	2022-10-23 19:34:27
7	Ahmed Chamseddine	263	Python 3	2024-02-19 15:44:35
8	Dagur Benjamínsson	283	Python 3	2023-11-05 23:23:04
9	Elias Amha	297	Python 3	2019-11-13 19:04:45
10	Matevz Javornik	299	Python 3	2018-08-10 14:30:53

#	User	Length	Language	Date
1	Thomas Feld	76	Ruby	2025-08-26 13:20:12

#	User	Length	Language	Date
1	Joshua Freudenhammer	373	Rust	2025-09-26 01:48:59
2	Tsu	398	Rust	2025-11-02 08:05:33
3	Ole Johan Walderhaug	587	Rust	2021-12-26 21:37:24
4	Blue Core	687	Rust	2025-02-13 23:34:49
5	Ryan O'Hara	734	Rust	2022-10-25 06:50:53
6	Liam Thorell	748	Rust	2025-02-13 17:49:14
7	Iker Lissarrague	791	Rust	2023-07-15 05:23:28
8	Ramojus Lapinskas	808	Rust	2023-05-13 13:28:08
9	Aidan Boisvert	815	Rust	2024-12-06 08:25:17
10	Eskil Queseth	820	Rust	2020-02-22 15:23:36

Solution running time distribution