Given a set of n positive integers and a knapsack of capacity c, the Subset-Sum Problem is to find a subset the sum of which is closest to c without exceeding the value c. In this paper we present a fully polynomial approximation scheme which solves the subset-sum problem with accuracy e in time O(min{n/ɛ, n + 1/ɛ2 log(1/ɛ)}) and space O(n + 1/ɛ). The scheme has better time and space complexity than other known approximation schemes.
CITATION STYLE
Kellerer, H., Pferschy, U., & Speranza, M. G. (1997). An efficient approximation scheme for the subset-sum problem. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1350, pp. 394–403). Springer Verlag. https://doi.org/10.1007/3-540-63890-3_42
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