Problem A
Long Swaps — Problem Statistics

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Submissions	1182
Accepted submissions	528
Submission ratio	44.67%
Authors	493
Full solves [?]	426
Full solve Ratio	86.41%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2020-03-04 16:27:23
2	Michael Jeppesen	0.00 s	C	2025-03-07 16:42:24
3	Michael Jeppesen	0.00 s	C	2025-03-07 16:43:31
4	Alexander Bilde Pedersen	0.00 s	C	2025-03-07 18:08:18

#	User	Runtime	Language	Date
1	Daniel Acosta	0.04 s	C#	2025-09-15 00:09:23

#	User	Runtime	Language	Date
1	Norbert Voelker	0.07 s	Go	2021-11-27 19:28:48

#	User	Runtime	Language	Date
1	Mason Barnhill	0.00 s	Haskell	2023-05-05 23:50:09
2	Brent Yorgey	0.01 s	Haskell	2018-11-24 01:15:20
3	Paul Wild	0.01 s	Haskell	2019-01-08 19:31:29
4	Tomas Möre	0.01 s	Haskell	2019-05-19 14:41:11

#	User	Runtime	Language	Date
1	Tan Zhang-Hng Ervin	0.04 s	Java	2024-09-27 18:01:32
2	David Harmeyer	0.05 s	Java	2018-10-28 22:10:36
3	Joshua Fair	0.05 s	Java	2018-10-28 22:20:20
4	Benjamin Reidys	0.05 s	Java	2018-10-28 22:31:32
5	Daniel Moyer	0.05 s	Java	2018-10-28 22:31:32
6	Ben Liu	0.05 s	Java	2018-10-28 22:44:22
7	Chenhao Xu	0.05 s	Java	2018-10-29 00:24:39
8	Colin Peppler	0.05 s	Java	2018-10-29 00:43:17
9	Nick Wu	0.06 s	Java	2018-10-28 22:07:56
10	Amon Al-khatib	0.06 s	Java	2018-10-28 22:23:36

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-03-24 20:23:59

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-07-02 00:14:55

#	User	Runtime	Language	Date
1	Hidden user	0.22 s	Kotlin	2020-04-11 20:58:07
2	Taylor South	0.23 s	Kotlin	2025-02-11 23:38:17
3	Adam Rankin	0.24 s	Kotlin	2026-01-14 19:30:49

#	User	Runtime	Language	Date
1	Aarav Singh	0.03 s	Python 2	2018-10-28 22:16:05
2	Jawadul Kadir	0.03 s	Python 2	2018-10-28 22:42:17
3	Zc Sun	0.03 s	Python 2	2018-10-28 22:58:56
4	Akif Patel	0.03 s	Python 2	2018-10-29 00:59:34
5	Ethan Arnold	0.03 s	Python 2	2018-11-22 06:15:11
6	Hermon Mulat	0.03 s	Python 2	2019-01-14 01:06:58
7	Herbert Ilhan Tanujaya	0.03 s	Python 2	2019-05-10 16:05:21
8	Jonatan Nilsson	0.03 s	Python 2	2019-05-19 12:42:07
9	Lars Åström	0.03 s	Python 2	2019-05-19 12:57:44
10	Erik Leffler	0.03 s	Python 2	2019-05-19 14:15:31

#	User	Runtime	Language	Date
1	Arvind Ramaswami	0.02 s	Python 3	2018-10-28 22:44:36
2	Md Abedin	0.02 s	Python 3	2018-10-28 22:54:15
3	Tyler Mulholland	0.02 s	Python 3	2018-11-11 05:57:23
4	Bjørn Dons	0.02 s	Python 3	2018-11-28 00:06:59
5	Michael Baer	0.02 s	Python 3	2019-01-08 19:31:00
6	Andrew McGehee	0.02 s	Python 3	2019-03-20 22:30:22
7	Anthony Clays	0.02 s	Python 3	2019-04-23 14:13:53
8	Anders Steen Nilsen	0.02 s	Python 3	2019-05-02 12:57:02
9	Hidden user	0.02 s	Python 3	2019-05-19 11:41:48
10	Ivar Källström	0.02 s	Python 3	2019-05-19 12:53:20

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-06-12 10:53:21

#	User	Runtime	Language	Date
1	Jonathan L	0.00 s	Rust	2019-05-19 12:08:59
2	Pahlevi Fikri Auliya	0.00 s	Rust	2020-10-27 01:03:34

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Swift	2023-10-13 00:34:17

#	User	Length	Language	Date
1	Alexander Bilde Pedersen	659	C	2025-03-07 18:08:18
2	Michael Jeppesen	1085	C	2025-03-07 16:42:24
3	Michael Jeppesen	1085	C	2025-03-07 16:43:31
4	Bergur Snorrason	1815	C	2024-01-31 08:23:31

#	User	Length	Language	Date
1	Daniel Acosta	1054	C#	2025-09-15 00:09:23

#	User	Length	Language	Date
1	Rafael Kristoforus Yanto	270	C++	2025-01-03 21:30:09
2	Johan Wind	315	C++	2018-11-01 02:16:05
3	Łukasz Krawczyk	321	C++	2018-11-27 21:43:28
4	Cameron Custer	330	C++	2022-07-25 19:46:01
5	Atli Fannar Franklín	334	C++	2020-03-04 14:57:47
6	Shyam Mehta	339	C++	2018-10-29 21:01:57
7	Andrew Ting	341	C++	2020-02-05 02:57:01
8	Clement Oh	349	C++	2024-03-01 11:12:59
9	Jalvin Chan Jia Xiang	357	C++	2020-01-10 10:49:35
10	Jerrell Ezralemuel	361	C++	2020-01-05 19:57:02

#	User	Length	Language	Date
1	Norbert Voelker	1106	Go	2021-11-27 19:53:58

#	User	Length	Language	Date
1	Paul Wild	234	Haskell	2019-01-08 19:31:29
2	Tomas Möre	570	Haskell	2019-05-19 14:41:11
3	Mason Barnhill	741	Haskell	2023-05-05 23:50:09
4	Brent Yorgey	902	Haskell	2018-11-24 01:15:20

#	User	Length	Language	Date
1	Doug Goodman	529	Java	2019-06-12 16:01:39
2	Zhengqing Ye	582	Java	2018-10-28 23:22:47
3	Rohit Motwani	582	Java	2018-10-29 00:12:16
4	Yida Zhou	674	Java	2018-10-28 22:31:59
5	Paul Boddington	729	Java	2020-07-26 14:20:25
6	Crystal Sharpe	735	Java	2021-05-22 06:24:38
7	Victor Zhang	743	Java	2018-10-29 00:54:12
8	Andrew Polizzotto	787	Java	2020-10-31 14:37:41
9	Kent Mei	791	Java	2018-10-28 23:03:18
10	Joseph Durie	799	Java	2018-10-28 23:50:18

#	User	Length	Language	Date
1	Gurpartap Singh Bhatti	1179	JavaScript (Node.js)	2019-03-24 20:23:59

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	180	JavaScript (SpiderMonkey)	2023-07-02 00:14:55

#	User	Length	Language	Date
1	Hidden user	382	Kotlin	2020-04-11 20:58:07
2	Taylor South	1246	Kotlin	2025-02-11 23:38:17
3	Adam Rankin	1491	Kotlin	2026-01-14 19:30:49

#	User	Length	Language	Date
1	Akif Patel	148	Python 2	2018-10-29 00:59:34
2	Jonatan Nilsson	151	Python 2	2019-05-19 12:42:07
3	Herbert Ilhan Tanujaya	196	Python 2	2019-05-10 16:05:21
4	Andreas Björklund	198	Python 2	2020-02-12 18:10:38
5	Måns Magnusson	202	Python 2	2019-05-31 20:23:14
6	Johan Lyts	202	Python 2	2021-01-18 16:18:54
7	Jawadul Kadir	262	Python 2	2018-10-28 22:42:17
8	Lars Åström	286	Python 2	2019-05-19 12:57:44
9	Ethan Arnold	290	Python 2	2018-11-22 06:15:11
10	Hermon Mulat	290	Python 2	2019-01-14 01:06:58

#	User	Length	Language	Date
1	Thomas Feld	78	Python 3	2023-06-12 10:56:17
2	Russell Ng	98	Python 3	2026-01-14 21:21:42
3	Teikn Smith	100	Python 3	2024-06-25 01:48:13
4	Kerk Tai Heng	102	Python 3	2026-01-16 08:15:34
5	Brandon Tang	103	Python 3	2023-06-11 11:58:18
6	Si Jie Tan	106	Python 3	2026-01-13 02:07:59
7	Clement Oh	107	Python 3	2024-03-01 09:53:27
8	Drake Cullen	109	Python 3	2022-02-13 22:22:03
9	Aonghus Lawlor	110	Python 3	2024-09-29 17:04:22
10	Stephane Garreau	113	Python 3	2025-02-18 17:42:19

#	User	Length	Language	Date
1	Thomas Feld	71	Ruby	2023-06-12 10:54:30

#	User	Length	Language	Date
1	Jonathan L	663	Rust	2019-05-19 12:08:59
2	Pahlevi Fikri Auliya	1918	Rust	2020-10-27 01:03:34

#	User	Length	Language	Date
1	Hidden user	334	Swift	2023-10-13 00:34:17

Solution running time distribution