Question: Let T be a tree with n nodes, and, for any node v in T, let d v denote the depth of v in T.

Let T be a tree with n nodes, and, for any node v in T, let d_v denote the depth of v in T. The distance between two nodes v and w in T is d_v+d_w−2d_u, where u is the LCA u of v and w (as defined in the previous exercise). The diameter of T is the maximum distance between two nodes in T. Describe an efficient algorithm for finding the diameter of T. What is the running time of your method?

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