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typedef struct ArcNode //µ¥¸öÁÚ½Óµãµã½á¹¹
{
int adjvex; //챐
struct ArcNode *nextarc; //ÏÂÒ»¸öÁÚ½Óµã
}ArcNode;


typedef struct VNode
{
ArcNode *firstarc; //Í·½Úµã
int data; //½ÚµãÊý¾Ý
}VNode, AdjList[MAX]; //½ÚµãÊý×é


typedef struct
{
AdjList adjList; //½ÚµãÊý×é
int numVertexes; //ÁÚ½Ó±í½ÚµãÊýÄ¿
}GraphAdjList;
ÁÚ½Ó±í½á¹¹

ÏÂÃæÊÇÊäÈëÊý¾Ý
£¨1£©ÊäÈ룺input.txt£¬ÀïÃæÓÐÖÁÉÙ3ÐУ¬µÚÒ»ÐÐΪ½Úµã¸öÊý£¬µÚ¶þÐпªÊ¼ÎªÎÞÏòͼ¸÷¸ö½ÚµãµÄÁÚ½Ó±íʾ£¬×îºóÒ»ÐÐÊÇ¿ÕÐС£ÈôÒÔÉÏÀýΪÀý£¬Ôòinput.txtÖеÄÊý¾Ý£¨È«²¿Îª°ë½Ç·ûºÅ£©Îª£º
4
0 1 3
1 0 2 3
2 1 3
3 0 1 2

´úÂë:
/*´ýÐ޸Ġ  ÉèÖÃÒ»¸öÖ¸Õë±éÀú,¿´ÊÇ·ñÓÐÖØ¸´±ß  ÓÐÔòʹÓÃÏÂÒ»¸öÊý×é*/  /*Ö¸ÕëÎÊÌâ,δ½â¾ö  Ì°³ÔÉß*/
void CreateGraph(GraphAdjList *G)
{
        int i, input;
        scanf("%d", &G->numVertexes);
        for(i = 0; i < G->numVertexes; i++);
        {
            G->adjList.firstarc = NULL;
                G->adjList.data = i;
        }
        scanf("%d", &i);
        while(scanf("%d", &input) != EOF)
        {
                ArcNode *q;
                q = G->adjList.firstarc;       
                while(q)
                {
                        if(q->adjvex == input)
                        {
                                i++;
                                break;
                        }
                        q = q->nextarc;
                }
                ArcNode *p;
                if(!q)
                {
                        p = (ArcNode *)malloc(sizeof(ArcNode));
                        p->adjvex = input;
                        p->nextarc = G->adjList.firstarc;
                        G->adjList.firstarc = p;
                }
        }
}

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