为什么BFS和DFS O(V + E)的运行时间,特别是当有一个节点具有可以从顶点到达的节点的有向边时,就像在以下站点中的此示例中一样
http://www.personal.kent.edu/~rmuhamma/Algorithms/MyAlgorithms/GraphAlgor/depthSearch.htm
graph breadth-first-search time-complexity depth-first-search data-structures
breadth-first-search ×1
data-structures ×1
depth-first-search ×1
graph ×1
time-complexity ×1