Thus said "Josh Coates" on Wed, 01 Nov 2006 11:20:45 MST:
> We are looking for sequences of n > 0 integers where the absolute
> values of the differences of successive elements are included in the
> set of numbers 1 through n - 1. For instance,
I think I see the confusion in my last response. I'm not sure if the
wording of the problem is contributing or not... At any rate, I was
looking for the abs(x - x+1) in the original sequence of numbers (not in
the sequence 1, 2, 3, ... n-1) and clearly getting a different result
than what was published. An entirely different problem to be sure. :-)
So, your first example:
4 1 2 3
Would have resulted in { 3 1 1 } but since 3 was not in { 4 1 2 }, I was
getting no match. Of course when matching against { 1 2 3 } there is a
match.
What fun the English language can be.
Andy
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