Karp's 21 NP-complete problems
= Karp's 21 NP-complete problems
{wiki=Karp's_21_NP-complete_problems}
Richard Karp’s seminal 1972 paper, "Reducibility Among Combinatorial Problems," identified 21 specific problems that are NP-complete, which means they are among the most challenging problems in computational complexity theory. Below is a list of these 21 problems: 1. **Clique Problem**: Given a graph \\( G \\) and an integer \\( k \\), is there a complete subgraph (clique) of size \\( k \\)?