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Tree Description Give a tree with n vertices,each edge has a length(positive integer less than 1001). Define dist(u,v)=The min distance between node u 阅读全文
posted @ 2016-07-21 18:00
meekyan
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Navigation Nightmare Description Farmer John's pastoral neighborhood has N farms (2 <= N <= 40,000), usually numbered/labeled 1..N. A series of M (1 < 阅读全文
posted @ 2016-07-21 14:49
meekyan
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Balancing Act Description Consider a tree T with N (1 <= N <= 20,000) nodes numbered 1...N. Deleting any node from the tree yields a forest: a collect 阅读全文
posted @ 2016-07-21 09:58
meekyan
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