to get the non repeating element we have to travese array atleast once.so
Time complixity has to minimum o(n).as I suppose..
The XOr solution will fail because odd number will be there...
Hashing itself require o(n) space in worst case.
On Mon, Apr 18, 2011 at 12:40 AM, sravanreddy001
<sravanreddy...@gmail.com>wrote:
> can u explain ur solution with one of these sets?
>
> {1,2,1,3,2,1}
> {1,2,1,3,2,2}
>
> an element can repeat for any number of times >= 2
>
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