for(int i=0;i<vertexNum;i++)

{

Edge *E,*q;

E=adjlist[i].firstarc;

while(E)

{

q=E;

E=E->nextarc;

delete q;

}

}

}

template<class T>

Graph<T>::Graph(T a[],int n,int e){

int kind;

cout<<"请输入所需创建的图类型："<<endl;

cout<<"-----1.无向图------"<<endl;

cout<<"-----2.有向图------"<<endl;

cin>>kind;

switch(kind){

case 1:

creatGraphU(a,n,e);break;

case 2:

creatGraphH(a,n,e);break;

default:

cout<<"输入错误！"<<endl;

}

}

template<class T>

void Graph<T>::creatGraphU(T a[],int n,int e){

Edge *E;

vertexNum=n;

arcNum=e;

for (int i=0;i<vertexNum;i++)

{

adjlist[i].vex=a[i];

adjlist[i].firstarc=NULL;

}

int j,w;

for (int k=0;k<arcNum;k++)

{

cout<<"请输入第"<<k+1<<"条弧的信息（格式为：顶点1 顶点2 权值）";

cin>>i>>j>>w;