merge sort

On Fri, Dec 25, 2009 at 11:02 AM, Manisha <pgo...@gmail.com> wrote:

>   Separate the ascending and descending lists.
>   lets say ascending lists are l1,l2,l3 and l4 and descending lists
> are l5,l6,l7.
>   Reverse all these descending list.(reverse(l5),reverse(l6) and
> reverse(l7))
>   Now keep on merging all these 7 sorted lists two at a time.
>    Its of ~o(n)time and o(1)space
>
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-- 
Ankur Aggarwal
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