Problem A
Compositions — Problem Statistics

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Submissions	707
Accepted submissions	460
Submission ratio	65.06%
Authors	427
Full solves [?]	386
Full solve Ratio	90.40%

#	User	Runtime	Language	Date
1	Tor Nordqvist	0.02 s	C#	2016-11-08 00:09:57
2	Małgosia Jarosz	0.02 s	C#	2022-11-13 23:12:27

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2021-07-09 23:23:29

#	User	Runtime	Language	Date
1	Patrik Lilja	0.00 s	Haskell	2017-04-01 10:46:51
2	Brent Yorgey	0.00 s	Haskell	2017-11-07 07:08:50
3	Steinar Simonnes	0.00 s	Haskell	2024-12-20 15:46:56
4	Hidden user	0.01 s	Haskell	2019-11-02 17:23:30
5	Hidden user	0.01 s	Haskell	2023-01-15 14:09:50

#	User	Runtime	Language	Date
1	Paul Boddington	0.05 s	Java	2017-01-08 15:26:39
2	Liam Keliher	0.05 s	Java	2017-04-16 05:29:34
3	Martijn Muijsers	0.05 s	Java	2017-05-10 12:08:11
4	Isaac Lee	0.05 s	Java	2018-02-27 21:59:54
5	James Black	0.05 s	Java	2018-02-27 22:06:43
6	Kurtis Van Gent	0.06 s	Java	2016-10-16 21:52:27
7	Finn Lidbetter	0.06 s	Java	2016-11-17 01:07:49
8	Viraj Maddur	0.06 s	Java	2017-02-13 03:34:14
9	Steven Cheng	0.06 s	Java	2018-05-21 21:21:31
10	Rafael Adão	0.06 s	Java	2018-09-10 04:31:04

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-03-27 10:48:21

#	User	Runtime	Language	Date
1	Albin Heimerson	0.56 s	Julia	2023-09-05 09:55:46

#	User	Runtime	Language	Date
1	Jacob Huebner	0.16 s	Kotlin	2020-02-28 21:19:05
2	Adam Rankin	0.19 s	Kotlin	2023-05-09 17:57:55

#	User	Runtime	Language	Date
1	Haochen Chen	0.03 s	Python 2	2016-10-16 21:01:58
2	Vikram Gaur	0.03 s	Python 2	2017-02-04 20:26:37
3	Andrei Stoica	0.03 s	Python 2	2017-10-17 13:47:23
4	Sigurður Jens Albertsson	0.03 s	Python 2	2017-11-21 00:25:14
5	Jesper Öqvist	0.03 s	Python 2	2018-10-29 10:36:15
6	Johan Lyts	0.04 s	Python 2	2020-02-21 21:56:31
7	Thomas Feld	0.04 s	Python 2	2020-09-23 08:51:15

#	User	Runtime	Language	Date
1	Jeffrey Xiao	0.02 s	Python 3	2016-10-16 20:36:07
2	Junlin Wang	0.02 s	Python 3	2016-10-25 01:28:37
3	Ram Basnet	0.02 s	Python 3	2018-03-07 08:27:38
4	Clinton Poserio	0.02 s	Python 3	2018-03-14 03:47:39
5	Victor Elmir Verchkovski	0.02 s	Python 3	2019-02-21 23:14:22
6	Matheus	0.02 s	Python 3	2019-03-11 21:13:50
7	Francisco Martín Mateos	0.02 s	Python 3	2019-06-13 21:27:14
8	Klavdija Trebušak	0.02 s	Python 3	2019-09-01 10:07:47
9	Jason Cannon	0.02 s	Python 3	2019-11-28 22:16:06
10	Hidden user	0.03 s	Python 3	2018-10-04 13:54:46

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-10-17 10:06:36

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-02-22 14:10:08
2	jskop	0.00 s	Rust	2022-11-12 20:39:47

#	User	Length	Language	Date
1	Naveen Kumar S	567	C	2025-04-26 15:08:29
2	Hidden user	587	C	2024-11-14 22:33:56
3	Jón Steinn Elíasson	637	C	2020-05-16 00:54:42
4	Mickye Mouse	649	C	2021-06-17 10:28:29
5	Anh Tran	649	C	2022-11-07 01:43:30
6	Kyungmin Lee	649	C	2022-11-08 18:47:28
7	George Contreras	649	C	2022-11-08 21:11:43
8	Ilhame Ben-saghroune	650	C	2021-05-06 13:15:24
9	Jonathan Nguyen	650	C	2022-11-07 03:23:03
10	Vincent Krishardy	659	C	2021-01-28 16:18:45

#	User	Length	Language	Date
1	Tor Nordqvist	1097	C#	2016-11-08 00:09:57
2	Małgosia Jarosz	9352	C#	2022-11-13 23:12:27

#	User	Length	Language	Date
1	a_b__c	348	C++	2021-02-09 08:57:07
2	Evan Michael Bailey	368	C++	2022-11-23 02:27:46
3	Lawrence Li	390	C++	2018-03-09 18:38:17
4	Johan Wind	392	C++	2018-03-26 13:31:30
5	Goh Aik Wee	394	C++	2019-12-17 14:23:10
6	人外沙耶	403	C++	2020-11-17 11:36:43
7	JieHao Liao	404	C++	2017-10-28 01:58:46
8	Joel Au	423	C++	2020-05-31 04:01:15
9	Way Tan	427	C++	2018-12-31 09:10:03
10	Zhen Li	436	C++	2019-10-12 01:33:29

#	User	Length	Language	Date
1	Norbert Voelker	1327	Go	2021-07-09 23:41:17

#	User	Length	Language	Date
1	Brent Yorgey	490	Haskell	2017-11-07 07:08:50
2	Hidden user	738	Haskell	2023-01-15 14:09:50
3	Patrik Lilja	869	Haskell	2017-04-01 10:46:51
4	Steinar Simonnes	934	Haskell	2024-12-20 15:47:23
5	Hidden user	7996	Haskell	2019-11-02 17:23:30

#	User	Length	Language	Date
1	Hidden user	602	Java	2018-10-14 20:02:04
2	Mitch Price	705	Java	2017-10-24 04:27:49
3	Alex H Hong	713	Java	2017-10-28 01:37:22
4	Frank Ruskey	719	Java	2016-11-07 07:58:15
5	Kurtis Van Gent	810	Java	2016-10-16 21:52:27
6	Martin Wan	832	Java	2017-07-02 02:09:11
7	Jonathan Hartnett	854	Java	2017-10-14 18:33:15
8	Daniel Kadosh	856	Java	2022-11-08 23:57:26
9	Zachary Hancock	862	Java	2017-02-04 18:46:31
10	Arnab Jha	875	Java	2022-11-09 05:11:10

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	604	JavaScript (SpiderMonkey)	2023-03-27 10:48:21

#	User	Length	Language	Date
1	Albin Heimerson	426	Julia	2023-09-05 09:55:46

#	User	Length	Language	Date
1	Adam Rankin	741	Kotlin	2023-05-09 17:57:55
2	Jacob Huebner	907	Kotlin	2020-02-28 21:19:05

#	User	Length	Language	Date
1	Johan Lyts	297	Python 2	2020-02-21 21:56:31
2	Thomas Feld	319	Python 2	2020-09-23 08:51:15
3	Haochen Chen	363	Python 2	2016-10-16 21:01:58
4	Sigurður Jens Albertsson	375	Python 2	2017-11-21 00:25:14
5	Jesper Öqvist	675	Python 2	2018-10-29 10:36:15
6	Vikram Gaur	899	Python 2	2017-02-04 20:26:37
7	Andrei Stoica	984	Python 2	2017-10-17 13:47:23

#	User	Length	Language	Date
1	Lawry Sorenson	172	Python 3	2023-11-17 03:51:47
2	Yong Mao	174	Python 3	2023-10-14 03:11:13
3	Jason Cannon	208	Python 3	2019-11-28 22:16:24
4	Christian Blumenthal	220	Python 3	2021-10-28 12:49:05
5	Andreas Björklund	223	Python 3	2023-04-07 11:28:40
6	Jonathan Dastrup	274	Python 3	2024-05-27 20:54:54
7	Caleb Dastrup	288	Python 3	2023-11-17 04:05:03
8	Amelia Schroeder	288	Python 3	2025-10-29 06:53:14
9	Thibault Raffaillac	306	Python 3	2021-04-08 19:40:51
10	Klavdija Trebušak	318	Python 3	2018-08-07 15:29:00

#	User	Length	Language	Date
1	Thomas Feld	101	Ruby	2023-10-17 10:10:51

#	User	Length	Language	Date
1	Bas Dirks	663	Rust	2022-02-22 14:10:08
2	jskop	938	Rust	2022-11-12 20:39:47

Solution running time distribution