perhaps you mean,
reverse each link list O(n+m).
then sum each node with carryover maintained.

On Wed, Jan 27, 2010 at 11:07 AM, Anurag Bhatia <abhati...@gmail.com> wrote:

> Let us take an example -
>
> Num 1 = 123456
> Num 2= 1234
> Link-1->Link-2->Link-3->Link-4->Link5->Link6
> Link-1->Link-2->Link-3->Link-4
>
> Add nodes into linkedlist 1 till either one of the list is not null.
> Make sure you process the carry in each iteration.
>
>
> --AB
>
>
> On Tue, Jan 26, 2010 at 9:47 PM, Algoose Chase <harishp...@gmail.com>
> wrote:
> > conditions:
> > NO extra memory (@ stack or Heap) at all. No recursion.
> >
> > Any body has got any hint about how to get this done ?
> >
> >
> >
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