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310. Minimum Height Trees
Time Limit Exceeded: import java.lang.reflect.Array; public class Solution { public List<Integer> findMinHeightTrees(int n, int[][] edges) { List<Inte
分类:其他好文   时间:2016-03-06 07:42:43    阅读次数:315
SPOJ QTREE - Query on a tree
Description You 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 so
分类:其他好文   时间:2016-03-03 21:05:11    阅读次数:135
LeetCode Graph Valid Tree
原题链接在这里:https://leetcode.com/problems/graph-valid-tree/ 题目: Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair
分类:其他好文   时间:2016-03-03 13:02:17    阅读次数:172
1、OpenCV图像的边缘检测
这里使用Canny函数进行边缘检测 函数定义: void cvCanny( const CvArr* image,CvArr* edges,double threshold1,double threshold2, int aperture_size=3 ); 参数说明: image //输入单通道图
分类:其他好文   时间:2016-02-28 16:26:13    阅读次数:163
SPOJ QTREE 树链剖分
375. Query on a tree Problem code: QTREE You are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1.
分类:其他好文   时间:2016-02-27 17:55:11    阅读次数:151
halcon之共线连接union_collinear_contours_xld
union_collinear_contours_xld很多时候当我们用edges_sub_pix, threshold_sub_pix 等算子得到边缘后,因为有噪声、物体本身断裂等原因 很多边缘是共线但是断裂的如下图所示,提取键盘的网格,左图有很多共线线段,右图为共线连接后的结果更详细信息可查阅自...
分类:其他好文   时间:2016-02-27 12:17:36    阅读次数:1160
最大流dinic 模版 (训练指南)
struct Edge { int from,to,cap,flow; }; struct Dinic { int n,m,s,t; vector<Edge> edges; vector<int> G[maxn]; bool vis[maxn]; int d[maxn]; int cur[maxn]
分类:其他好文   时间:2016-02-15 17:59:00    阅读次数:218
最小费用最大流模版(训练指南)
struct Edge { int from,to,cap,flow,cost; }; struct MCMF { int n,m,s,t; vector<Edge> edges; vector<int> G[maxn]; int inq[maxn]; int d[maxn]; int p[maxn
分类:其他好文   时间:2016-01-31 21:27:45    阅读次数:268
hdu 5606 tree(并查集)
Problem Description There is a tree(the tree is a connected graph which contains n points and n?1 edges),the points are labeled from 1 to n,which edge
分类:其他好文   时间:2016-01-28 02:01:20    阅读次数:165
Project Euler 107:Minimal network 最小网络
Minimal networkThe following undirected network consists of seven vertices and twelve edges with a total weight of 243.The same network can be represe...
分类:Web程序   时间:2016-01-22 17:31:22    阅读次数:152
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