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This is a branch that includes: computational complexity theory; complexity classes, NP-completeness and other completeness concepts; oracle analogues of complexity classes; complexity-theoretic computational models; regular languages; context-free languages; Komolgorov Complexity and so on.

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Could this be a NP complete?

Given a undirected and unweighted graph G(V,E). M is a subset of vertices of V. s is a vertex in V - M. Find an optimal tree T of G defined as: (1) M and s are in V(T) (2) Distance (which is len …
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