Minimum number of swaps required to sort an array

Revision en1, by madver, 2017-11-08 15:24:46

Hello everybody. Today, i hope you can help me to solve this problem. I have many ways to solve it if the array has distinct integers. But if the array has repeated elements, i think it is very hard. Can anyone give me some advice ?

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en1 English madver 2017-11-08 15:24:46 281 Initial revision (published)