SPOJ - QTREE4 Query on a tree IV(动态点分治)
QTREE4 - Query on a tree IV
#tree
You are given a tree (an acyclic undirected connected graph) with N nodes, and nodes numbered 1,2,3…,N. Each edge has an integer value assigned to it(note that the va...
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2019-08-16 10:35:11 ·
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