ok. Suppose you have 3 pointers i, j, k point to the element in A, B, C
respectively. Initialize i = j =k = 0.
for each step, you will compare A[i], B[j], C[k].
if A[i] is the smallest, i++
if B[j] is the smallest, j++
if C[k] is the smallest, k++
(this assumes numbers in A,B,C are unique, you should be able to eliminate
this restriction by changing above logic a little bit.)

for each step compute the current triple distance and keep the minimum.

Thanks



On Sun, Dec 19, 2010 at 9:51 PM, Saurabh Koar <saurabhkoar...@gmail.com>wrote:

> @yq: Heyy yq..I m not interested in what is equivalent to what and
> what is not not equivalent to what..I m interested to a specific
> optimized algorithm for the specific problem stated above.If u can
> figure out equivalence u can also devise the algorithm for the above
> problem.Nw would u please state that??or provide any link??
>
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