最好的边缘检测子 Canny algorithm aims to satisfy three main criteria: Low error rate: Meaning a good detection of only existent edges. Good localization: The ...
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其他好文 时间：
2014-11-19 00:02:06
阅读次数：
256
//深度优先搜索 从一条路径的起始顶点开始追溯到达最后一个顶点，然后回溯继续追溯下一条路径，直到最后一个顶点，如此N次，直到没有路径为止。//创建图function Graph(v) { this.vertices = v; this.edges = 0; this.adj = []; for (v...
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其他好文 时间：
2014-11-13 14:30:09
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179
题目大意：（同poj1741，刷一赠一系列）
CODE：
#include
#include
#include
#include
#define MAX 20010
#define INF 0x3f3f3f3f
using namespace std;
int points,edges,k;
int head[MAX],total;
int next[MAX << 1...
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其他好文 时间：
2014-10-11 19:19:56
阅读次数：
174
SPOJ Problem Set (classical)
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.
We wi...
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其他好文 时间：
2014-10-02 12:56:22
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232
题意：
给定n个点的树，m个操作
树有点权和边权
下面n-1行给出树边
下面m行操作 ：
● ADD1 u v k: for nodes on the path from u to v, the value of these nodes increase by k.
● ADD2 u v k: for edges on the path from u to v, the value...
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其他好文 时间：
2014-09-27 20:30:00
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202
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.
We will ask you to perfrom ...
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其他好文 时间：
2014-09-16 16:00:20
阅读次数：
312
#define maxSize 10//节点类型class VNode{public: int no; char info;};//图类型class MGraph{public: float edges[maxSize][maxSize];//float表示权值 int n,e; VNode vex...
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其他好文 时间：
2014-09-14 16:42:17
阅读次数：
213
In this problem set, you will implement the sparse autoencoder algorithm, and show how it discovers that edges are a good representation for natural i...
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其他好文 时间：
2014-09-14 16:33:07
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185
Description
You and your friend are playing a 2 player game. The game is played in a graph of
V vertices. The vertices are numbered from 0 to
V-1. The graph has some directed edges. But the gr...
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其他好文 时间：
2014-08-29 01:26:06
阅读次数：
305
Description
A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edges between nodes satisfying the following proper...
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其他好文 时间：
2014-08-23 17:46:41
阅读次数：
218
