Given a finite set A, for each a element A a size s(a) element Z^+, and a positive integer B, the subset sum problem asks if there is a subset A'⊆A such that sum_(a element A')s(a) = B.

status | proved NP-complete proof date | 1972 (54 years ago) prover | Richard Karp

NP complete problems | NP problems | mathematical problems | solved mathematics problems