Swaps in Permutation problem

Правка en1, от Tornad0, 2016-07-21 22:30:25

Hi all,

I have difficulty on a problem on codeforces http://mirror.codeforces.com/problemset/problem/691/D

my submission is : http://mirror.codeforces.com/submissions/Tornad0#

I think my idea is right, I used dsu to group several numbers and sort numbers inside the group. But I don't know why I am still wrong answer. The idea is simple, but what's wrong? Anyone please help me, thanks:D

Теги buggy, stupid:dd

История

 
 
 
 
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  Rev. Язык Кто Когда Δ Комментарий
en5 Английский Tornad0 2016-07-22 07:21:37 178
en4 Английский Tornad0 2016-07-22 05:41:47 86
en3 Английский Tornad0 2016-07-21 22:39:04 30
en2 Английский Tornad0 2016-07-21 22:33:32 27
en1 Английский Tornad0 2016-07-21 22:30:25 413 Initial revision (published)