文章浏览阅读114次。There is a tree (i.e.,a connected, undirected graph that has no cycles) consisting ofnnodes numbered from0ton - 1and exactlyn - 1edges. Each node has a value associated with it, and therootof the tree is node0.To represent this tree, you are ..._tree dfs记录每一条路......
文章浏览阅读58次。QuestionFor an undirected graph with tree characteristics, we can choose any node as the root. The result graph is then a rooted tree. Among all possible rooted trees, those with minimum height..._minimum height 480 pixels什么意思...