you: i wonder if this problem is NP-complete? me: actually a trivial subproblem of it, which seems easy, is NP-complete on its ownpic.twitter.com/miSLFHswsq
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Multiplication by 2 is always exact. Hence, you are free to reassociate product chains.
No, you forgot INF is saturating.
No, I didn't. If the product overflows, any bracketing overflows, because the result is always exact, and the only term is 2.
There is no 0.5 allowed in my example. You're only multiplying 2s. It always gives the right answer no matter how you bracket it.
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