摘要：
You are given a tree (an undirected acyclic connected graph) with N nodes, and edges numbered 1, 2, 3...N-1. Each edge has an integer value assigned t 阅读全文
posted @ 2017-12-18 22:26
nimphy
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摘要：
You are given a node-labeled rooted tree with n nodes. Define the query (x, k): Find the node whose label is k-th largest in the subtree of the node x 阅读全文
posted @ 2017-12-18 22:26
nimphy
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摘要：
ιYou are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1. We will ask you to perfrom some instruct 阅读全文
posted @ 2017-12-18 21:57
nimphy
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