156 lines
2.8 KiB
C++
156 lines
2.8 KiB
C++
#ifndef _graph_hpp_
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#define _graph_hpp_
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#include "vector.hpp"
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#include <iostream>
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#include <string>
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// #define gNodeArray(T) binNode<T> *
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template <class Te>
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class Edge
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{
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public:
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Te data;
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int weight;
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Edge()
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{
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weight = 0;
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}
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Edge(int w)
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{
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weight = w;
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}
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Edge(Te d, int w)
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{
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data = d;
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weight = w;
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}
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};
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template <class Tv>
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class Vertex
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{
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public:
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Tv data;
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int inDegree;
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int outDegree;
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Vertex()
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{
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// data = NULL;
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inDegree = 0;
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outDegree = 0;
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}
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Vertex(Tv d)
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{
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data = d;
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inDegree = 0;
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outDegree = 0;
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}
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};
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template <class Te, class Tv>
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class graphVertex
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{
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private:
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Vector<Vertex<Tv> *> V;
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Vector<Vector<Edge<Te> *>> E;
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int v;
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int e;
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public:
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graphVertex()
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{
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v = 0;
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e = 0;
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}
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~graphVertex()
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{
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int n = v;
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for (int j = 0; j < n; j++)
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for (int k = 0; k < n; k++)
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delete E[j][k];
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for (int j = 0; j < n; j++)
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delete V[j];
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}
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virtual Tv vertex(int i)
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{
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return V[i]->data;
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}
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virtual int inDegree(int i)
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{
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return V[i]->inDegree;
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}
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virtual int outDegree(int i)
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{
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return V[i]->outDegree;
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}
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virtual int insect(int id, Tv value)
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{
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if (V[id] == NULL)
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{
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Vertex<Tv>* temp= new Vertex<Tv>(value);
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V.put(id, temp);
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// E[id] = new Vector<Edge<Te>>;
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}
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else
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V[id]->data = value;
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v++;
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return id;
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}
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virtual int remove(int id)
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{
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for (int j = 0; j < v; j++)
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{
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if (E[id][j] != NULL)
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{
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delete E[id][j];
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E[id].put(j,NULL);
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V[j]->inDegree--;
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}
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}
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v--;
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Tv temp = vertex(id);
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delete V[id];
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V.put(id, NULL);
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}
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// id1->id2 进行连接
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// return：
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// -1 顶点不存在
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// -2 边已存在
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// 0 成功
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virtual int link(int id1, int id2, int w)
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{
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if (V[id1] == NULL || V[id2] == NULL)
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return -1;
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if (E[id1][id2] != NULL)
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return -2;
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V[id1]->outDegree++;
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V[id2]->inDegree++;
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Edge<Te>* temp=new Edge<Te>(w);
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E[id1].put(id2, temp);
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return 0;
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}
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// 解除 id1->id2 连接
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// return：
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// -1 顶点不存在
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// -2 边不存在
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// 0 成功
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virtual int unlink(int id1, int id2, int w)
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{
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if (V[id1] == NULL || V[id2] == NULL)
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return -1;
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if (E[id1][id2] != NULL)
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return -2;
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V[id1]->outDegree--;
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V[id2]->inDegree--;
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delete E[id1][id2];
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return 0;
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}
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};
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#endif |