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Questions about problems that entail selecting the best element from some set of available alternatives, and methods to solve them.
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Efficient algorithm for 'unsumming' a set of sums
Given a multiset of natural numbers X, consider the set of all possible sums:
$$\textrm{sums}(X)= \left\{ \sum_{i \in A} i \,|\, A \subseteq X \right\}$$
For example, $\textrm{sums}(\left\{1,5\right …