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RSS订阅原创 PAT甲级1134. Vertex Cover (25) 题解
题目原文 A vertex cover of a graph is a set of vertices such that each edge of the graph is incident to at least one vertex of the set. Now given a graph with several vertex sets, you are supposed to tel
2017-09-26 16:23:02
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原创 PAT甲级1135----红黑树题解
题目描述 Is It A Red-Black Tree (30) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue There is a kind of balanced binary search tree named red-black
2017-09-25 22:36:42
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原创 堆排序，cpp实现
#include using namespace std;void swap(int &a,int &b){int temp = a;a = b;b = temp;}/*初始建堆，实为对孩子所在列的插入排序*/void buildHeap(int a[],int length){for(int i=1;iint parent = i;
2017-08-16 10:42:30
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