计算机科学分团问题分团问题CLIQUE={⟨G,k⟩∣G is an undirected graph with a k-clique }C L I Q U E=\{\langle G, k\rangle \mid G \text { is an undirected graph with a } k \text {-clique }\}CLIQUE={⟨G,k⟩∣G is an undirected graph with a k-clique }