Hi,
I am trying to do the following: I have two sets of integers(both are
disjoint). Based on some criteria, I choose one integer from each set
and do one computationally expensive operation using the two. Now, I do
not want to do the same operation more than once on same pair of
integers. So I was thinking of making up some kind of table of pairs of
two integers, one from each set, and checking in this table if the
operation has already been done. If yes, then I move on, and if not
then I attempt it.
Also, every now and then, I would want to remove all such pairs whose
first element is a given or whose second element is a given value. Also
if I find a new pair which is not already in the table, I would like to
insert it into the table.
For a bit more detail, the operation is linear program, and the set of
integers identify regions in N dimensional space.
So, as to be expected as N increases, the no of elements in the set
could be expected to rise exponentially.
Any suggestions, given this scenario, what might be best way in terms
of efficiency to do it. Of course, this would make sense as long as
searching through the table takes less time then solving the linear
program itself..
thanks,
--a.