Consider a function f(left, start) which returns the minimized cost to make
left more sets starting from index start.

In this function, of course if left is 0, then the cost is zero since we
don't need to make any set.  Also, make sure you catch early if it's even
possible to make left sets starting from start.  If not possible, return an
infinite number as a result.  Then, the rest is either you use start as the
shortest chopstick, or you skip it!  Naturally, you take the smaller of
those two.

I hope it doesn't take away the fun ... I think this is more than a hint ...


On 9/9/07, Terry <[EMAIL PROTECTED]> wrote:
>
>
> hi,
> Can someone give me hints/soln on this problem
> http://acm.uva.es/p/v102/10271.html
>
> the number of chopsticks is (K+8)*3 , the badness is minimized if we
> choose neighbours. How do  we write the recurrence relation ? which
> elements form the chopstick triplet.
>
>
> >
>


-- 
Fear of the LORD is the beginning of knowledge (Proverbs 1:7)

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