Problem A
Just for Sidekicks — Problem Statistics

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Submissions	5595
Accepted submissions	1842
Submission ratio	32.92%
Authors	1425
Full solves [?]	1304
Full solve Ratio	91.51%

#	User	Runtime	Language	Date
1	Ioannis Br	0.06 s	C	2020-07-08 23:34:38
2	Bergur Snorrason	0.07 s	C	2020-09-11 11:07:48
3	Mirel Cosulschi	0.09 s	C	2025-04-22 14:46:42
4	Sanjiv Dinakar	0.12 s	C	2023-06-01 02:49:26
5	Andreas Björklund	0.76 s	C	2019-10-21 07:55:07

#	User	Runtime	Language	Date
1	Artemy Gavrilov	0.93 s	C#	2024-03-17 22:11:34
2	Nathan Andrews	1.14 s	C#	2024-09-19 22:27:22

#	User	Runtime	Language	Date
1	Brandon Zhang	0.05 s	C++	2020-08-31 03:00:50
2	Steven Wijaya	0.06 s	C++	2019-04-01 11:26:24
3	Agis Daniels	0.06 s	C++	2020-08-16 15:10:17
4	Hamilton Wang	0.07 s	C++	2023-04-06 23:44:04
5	Lawry Sorenson	0.07 s	C++	2025-01-21 21:06:09
6	Tai Tze Kin	0.07 s	C++	2026-01-19 17:03:20
7	Robin Christopher Yu	0.08 s	C++	2019-03-29 07:48:49
8	Minh Nguyen	0.08 s	C++	2019-04-01 11:28:30
9	Li Yue Chen	0.08 s	C++	2019-04-01 11:51:22
10	Li Hong Sheng Gabriel	0.08 s	C++	2019-04-01 16:50:32

#	User	Runtime	Language	Date
1	Nathan Lee	0.40 s	Go	2025-09-21 17:47:29
2	Yitian Wang	0.64 s	Go	2023-03-09 19:55:10
3	Norbert Voelker	0.72 s	Go	2022-06-11 21:38:21
4	Iker Lissarrague	1.31 s	Go	2022-03-14 09:55:17

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.30 s	Java	2020-08-29 17:40:04
2	Bjørn Dons	0.59 s	Java	2019-04-22 00:46:39
3	Jonas Valen	0.60 s	Java	2021-03-18 22:48:14
4	Hidden user	0.61 s	Java	2020-12-03 09:18:48
5	Cristina Corley	0.71 s	Java	2022-11-20 00:55:59
6	Marie Natland Berg	0.72 s	Java	2021-03-02 09:46:32
7	Hidden user	0.72 s	Java	2026-03-11 13:36:24
8	Dhruv Patel	0.73 s	Java	2021-02-27 00:29:14
9	Yuuki Sawanoi	0.73 s	Java	2023-07-04 10:32:49
10	Brent Yorgey	0.74 s	Java	2019-04-16 17:01:37

#	User	Runtime	Language	Date
1	Stephanie Keck	2.41 s	JavaScript (Node.js)	2020-02-09 01:20:17

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.77 s	JavaScript (SpiderMonkey)	2023-08-06 16:23:21

#	User	Runtime	Language	Date
1	Hidden user	0.77 s	Julia	2025-03-12 10:22:16

#	User	Runtime	Language	Date
1	Adam Koprowski	0.91 s	Kotlin	2020-09-04 15:36:34
2	Allen Guan	1.26 s	Kotlin	2022-03-26 15:34:18
3	Benjamin Ye	1.48 s	Kotlin	2023-02-22 22:11:27
4	Sondre Nilsen	1.78 s	Kotlin	2021-03-16 21:01:46
5	Sivert Paulsen	2.05 s	Kotlin	2026-03-09 22:54:58

#	User	Runtime	Language	Date
1	Caleb Austin	1.55 s	Lua	2024-09-25 05:19:31

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.40 s	Python 2	2020-10-25 06:48:56
2	Sivasankaran D	0.57 s	Python 2	2026-03-11 02:09:20
3	Lars Åström	0.98 s	Python 2	2019-10-03 00:40:17

#	User	Runtime	Language	Date
1	Hidden user	0.39 s	Python 3	2025-02-13 18:24:37
2	Steven Kusuman	0.39 s	Python 3	2026-03-08 03:43:46
3	Hidden user	0.41 s	Python 3	2025-02-12 04:24:08
4	blin	0.47 s	Python 3	2025-11-30 03:44:11
5	Aarya Bookseller	0.48 s	Python 3	2026-02-21 21:11:54
6	Nhự Nương Họ Vũ	0.49 s	Python 3	2025-03-25 23:37:27
7	Ronith Bose	0.49 s	Python 3	2025-11-30 23:58:49
8	Eduardo Alvarez Hernandez	0.50 s	Python 3	2025-02-13 21:11:51
9	Alex Zhang	0.50 s	Python 3	2025-02-16 04:37:46
10	Hidden user	0.50 s	Python 3	2026-02-14 18:49:45

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.04 s	Rust	2026-01-17 17:47:42
2	Jonathan Choi	0.06 s	Rust	2024-03-18 03:51:10
3	Mckinley Xie	0.11 s	Rust	2025-02-12 00:01:33
4	Emil Hultcrantz	0.15 s	Rust	2025-02-07 16:00:12
5	Eric Pinter	0.17 s	Rust	2020-10-24 21:41:45
6	Akemi Izuko	0.18 s	Rust	2022-11-26 05:38:14
7	Jianghua Wang	0.28 s	Rust	2023-03-03 04:28:10
8	Rowan Tran	0.31 s	Rust	2023-02-27 03:26:48
9	Ole Vik Lysne	0.31 s	Rust	2024-11-02 21:29:11
10	Hidden user	0.32 s	Rust	2020-12-02 03:48:14

#	User	Length	Language	Date
1	Mirel Cosulschi	1215	C	2025-04-22 14:44:03
2	Andreas Björklund	1265	C	2019-10-21 07:55:07
3	Bergur Snorrason	2346	C	2020-09-11 11:07:48
4	Ioannis Br	3177	C	2020-07-08 23:39:06
5	Sanjiv Dinakar	5099	C	2023-06-01 02:49:26

#	User	Length	Language	Date
1	Nathan Andrews	2349	C#	2024-09-19 22:27:22
2	Artemy Gavrilov	2410	C#	2024-03-17 22:11:34

#	User	Length	Language	Date
1	Hải Minh	795	C++	2020-02-01 10:43:42
2	Nathaniel Ang	818	C++	2020-02-09 11:24:31
3	Roger Chen	845	C++	2021-08-22 19:59:11
4	Hua Jun	889	C++	2019-04-01 11:22:41
5	Benson Lin	932	C++	2019-04-01 11:39:45
6	Z G	973	C++	2022-02-24 09:48:15
7	Hidden user	1014	C++	2023-10-02 01:26:02
8	Wang Zhi Jian	1019	C++	2019-04-01 11:11:31
9	sicupu	1019	C++	2021-04-11 10:09:43
10	Markus Mathiasen	1023	C++	2021-11-10 09:50:45

#	User	Length	Language	Date
1	Iker Lissarrague	2040	Go	2022-03-14 09:55:17
2	Norbert Voelker	2967	Go	2022-06-11 21:38:21
3	Yitian Wang	3822	Go	2023-03-09 19:55:10
4	Nathan Lee	4346	Go	2025-09-21 17:47:29

#	User	Length	Language	Date
1	Andrew Eveld	1416	Java	2020-11-04 19:04:33
2	Hoechst B. Mostaza	1798	Java	2023-05-19 00:46:00
3	Hoechst Mostaza	1800	Java	2023-05-17 18:52:16
4	Crystal Sharpe	1808	Java	2020-08-29 17:40:04
5	Kevin Dai	2017	Java	2024-02-10 21:51:13
6	Isaac Lee	2094	Java	2020-08-07 06:29:29
7	Eric Leow Yu Quan	2232	Java	2021-12-11 05:12:07
8	Yuuki Sawanoi	2247	Java	2023-07-04 10:32:49
9	Santiago Rivas	2250	Java	2025-05-27 10:59:16
10	Hidden user	2525	Java	2021-02-26 05:48:32

#	User	Length	Language	Date
1	Stephanie Keck	12171	JavaScript (Node.js)	2020-02-09 01:20:17

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1976	JavaScript (SpiderMonkey)	2023-08-06 16:23:21

#	User	Length	Language	Date
1	Hidden user	510	Julia	2025-03-12 11:07:34

#	User	Length	Language	Date
1	Benjamin Ye	1452	Kotlin	2023-02-22 22:11:27
2	Sondre Nilsen	1725	Kotlin	2021-03-17 15:32:42
3	Adam Koprowski	2016	Kotlin	2020-09-04 22:51:49
4	Allen Guan	2024	Kotlin	2022-03-26 15:34:18
5	Sivert Paulsen	3669	Kotlin	2026-03-09 22:32:04

#	User	Length	Language	Date
1	Caleb Austin	1648	Lua	2024-09-25 05:19:31

#	User	Length	Language	Date
1	Sivasankaran D	989	Python 2	2026-03-11 02:09:20
2	Yanmarshus Bachtiar	1122	Python 2	2020-10-25 06:48:56
3	Lars Åström	1235	Python 2	2019-10-03 00:40:17

#	User	Length	Language	Date
1	Benjamin Ye	391	Python 3	2023-02-24 02:37:26
2	Anshuman Dash	664	Python 3	2023-02-26 09:47:14
3	Oskar Haarklou Veileborg	775	Python 3	2020-09-01 16:02:21
4	Srikavin S	783	Python 3	2026-03-23 15:08:22
5	Avery	791	Python 3	2025-09-03 02:27:56
6	Fabian Frich	829	Python 3	2026-02-17 14:33:31
7	Hidden user	857	Python 3	2023-02-26 06:52:27
8	Daniyal Murtaza	875	Python 3	2024-01-23 19:55:12
9	Clement Oh	920	Python 3	2023-09-04 14:18:51
10	Nicholas Russell Saerang	932	Python 3	2026-01-21 10:09:25

#	User	Length	Language	Date
1	Adrien Coulier	2319	Rust	2020-05-12 18:09:16
2	Sherman Chann Zhi Shen	2535	Rust	2021-09-23 05:20:32
3	Ole Vik Lysne	2644	Rust	2024-03-07 17:51:14
4	gard heine kalland	2765	Rust	2024-03-26 13:49:28
5	Jianghua Wang	2981	Rust	2023-03-02 22:49:18
6	Adam Guangwei Yu	3193	Rust	2023-02-24 22:37:10
7	Hidden user	3398	Rust	2020-12-02 03:48:14
8	Eric Pinter	3399	Rust	2020-10-24 21:41:45
9	Jørgen Nedregård	3733	Rust	2026-02-25 11:20:57
10	Ryan Chau	3750	Rust	2023-02-26 23:31:13

Solution running time distribution