Problem K
Swap for Palindrome — Problem Statistics

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Submissions	362
Accepted submissions	87
Submission ratio	24.03%
Authors	114
Full solves [?]	79
Full solve Ratio	69.30%

#	User	Runtime	Language	Date
1	Shaan Keole	0.05 s	Java	2025-11-08 22:06:07
2	Arup Ratan Guha	0.13 s	Java	2025-12-21 22:46:41
3	Nick Wu	0.14 s	Java	2025-11-09 22:48:49
4	Mike Nguyen	0.39 s	Java	2025-11-09 06:05:44

#	User	Runtime	Language	Date
1	Danny Mittal	0.30 s	Kotlin	2025-11-08 20:58:43

#	User	Runtime	Language	Date
1	Ole Vik Lysne	0.09 s	Python 3	2025-11-17 19:07:40
2	Brandon Collins	0.11 s	Python 3	2025-11-15 20:13:22
3	Arnav Sastry	0.13 s	Python 3	2025-11-08 20:59:11
4	Brady	0.24 s	Python 3	2025-11-09 02:30:39
5	Joe	0.33 s	Python 3	2025-11-09 15:59:32
6	Christopher Eliot Hall	0.38 s	Python 3	2025-11-09 00:28:01

#	User	Length	Language	Date
1	Kevin Sun	938	C++	2025-11-08 20:15:09
2	Daniel Chang	1171	C++	2025-11-08 20:53:36
3	Hongji Chen	1291	C++	2025-11-08 23:08:31
4	Sahasrad Chippa	1585	C++	2025-11-08 22:13:40
5	Jeroen Op de Beek	1647	C++	2025-11-08 23:41:53
6	Timothy Gao	1670	C++	2025-11-13 02:25:59
7	Jeremy Lim	1708	C++	2025-11-10 07:52:10
8	Kevin Shan	1754	C++	2025-11-08 21:43:08
9	Manu Bhat	1813	C++	2025-11-14 02:52:08
10	Hidden user	1827	C++	2025-11-08 20:19:45

#	User	Length	Language	Date
1	Mike Nguyen	3463	Java	2025-11-09 06:05:44
2	Arup Ratan Guha	3617	Java	2025-12-21 22:46:41
3	Shaan Keole	3909	Java	2025-11-08 22:06:07
4	Nick Wu	4702	Java	2025-11-09 22:48:49

#	User	Length	Language	Date
1	Danny Mittal	2096	Kotlin	2025-11-08 20:58:43

#	User	Length	Language	Date
1	Brady	1136	Python 3	2025-11-09 02:30:39
2	Ole Vik Lysne	1327	Python 3	2025-11-17 19:23:08
3	Joe	1344	Python 3	2025-11-09 15:59:32
4	Arnav Sastry	1914	Python 3	2025-11-08 20:59:11
5	Brandon Collins	2017	Python 3	2025-11-16 00:26:36
6	Christopher Eliot Hall	3189	Python 3	2025-11-09 00:28:01

Solution running time distribution