#include

#define INFINITY 1000

#define MAX_VERTEX_NUM 20

#define ERROR 0

#define OK 1

typedef enum{DG,DN,UDG,UDN} GraphKind;

typedef int VRType;

typedef int InfoType;

typedef char VertexTpye;

typedef int Status;

typedef struct ArcCell

{

VRType adj;//该弧的权值

InfoType *info;//该弧相关信息的指针

} ArcCell,AdjMatrix[MAX_VERTEX_NUM][MAX_VERTEX_NUM];

typedef struct

{

char vexs[MAX_VERTEX_NUM];

AdjMatrix arcs;

int vexnum,arcnum;

GraphKind kind;

}MGraph;

PrintGraph(MGraph G)

{

int i,j;

for(i=0;i

{

for(j=0;j

{

if(G.arcs [i][j].adj!=0)

{

printf("%c--->%c %d/n",G.vexs[i],G.vexs[j],G.arcs[i][j]);

}

}

}

}

main()

{

MGraph G;

int i,j,k,w,IncInfo;

char v1,v2;

int LocateVertex(MGraph,VertexTpye);

printf("please Enter into the number of Vertex Arc and Arc_information:/n");

scanf_s("%d,%d,%d",&G.vexnum ,&G.arcnum,&IncInfo);

getchar();

printf("The Number of Vertex is %d,The Number of Arc is %d/n",G.vexnum ,G.arcnum );

for(i=0;i

{ printf("NO.%d Vertex is:",i);

//G.vexs[i]=getchar();

scanf_s("%c",&G.vexs[i]);

getchar();

}

for(i=0;i

{

printf("/nThe Vertex you Enter into is %c:",G.vexs[i]);

}

for(i=0;i

{

for(j=0;j

{

G.arcs [i][j].adj =NULL;//初始化弧的权值为0

//*(G.arcs [i][j].info) =INFINITY;//该弧无相关信息

}

}

for(k=0;k

{ printf("/n please Enter into NO.%d Arc:",k+1);

v1=getche();

printf("/t");

v2=getche();

printf("/t");

scanf_s("%d",&w);

printf("The value between %c and %c is %d/n",v1,v2,w);

i=LocateVertex(G,v1);

j=LocateVertex(G,v2);

G.arcs[i][j].adj =w;

if(IncInfo)

{

}

}

// G.arcs [j][i]=G.arcs [i][j];无向网与有向网的区别点

PrintGraph(G);

getchar();

getchar();

}

int LocateVertex(MGraph G,VertexTpye Vertex)

{

int j=ERROR,k;

for(k=0;k

{

if(G.vexs[k]==Vertex)

{

j=k;

break;

}

}

return(j);

}

上面是代码的实现，及运行结果，程序的运行效率有待提高，有修改意见的同志，请赐教！

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2010-04-18