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Combinatorial optimization typically deals with optimizing over a finite set of objects that have some combinatorial structure (e.g. trees, matchings, matroids). Approximation algorithms, polyhedral methods, and integer programming are all on topic.

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Generating all possible subsets in order of sum

Given a set of positive integers, I am looking for method to algorithmically generate all possible subsets in order of their sum. Because the the count of possible subsets is exponential ($2^n$), it i …
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