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后来又打了一遍,代码风格都变了。(这个没有多组数据) 又打一遍,很好看的结构体。 阅读全文
posted @ 2016-02-26 22:12
TenderRun
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1 #include <iostream> 2 #include <cstring> 3 #include <cstdio> 4 #include <queue> 5 6 using namespace std; 7 const int INF=2147483647; 8 const int max 阅读全文
posted @ 2016-02-26 21:48
TenderRun
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QTREE - Query on a tree #number-theory You are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1. We 阅读全文
posted @ 2016-02-26 21:12
TenderRun
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