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CСÎÊÌâ¼±Çó½â´ðлл°¡ - C/C++ / CÓïÑÔ

#include<stdio.h>
#include<malloc.h>
#define MAX 4
typedef struct ArcNode{
int adjvex;
struct ArcNode *nextarc;
}ArcNode;
typedef struct VNode{
char data;
ArcNode *firstarc;
}VNode,AdjList[MAX];
typedef struct{
AdjList vertices;
int vexnum,arcnum;

}ALGraph;
void main()
{
ALGraph alg;
alg.vertices=(VNode )malloc(sizeof(VNode)*4);//ÈçºÎÔÚÕâÀï¸øalg.vertices¿ª±Ù¿Õ¼ä°¡£»Õâ¸öÊÇ´íÎóµÄÐУ»

}
alg.vertices=(VNode *)malloc(sizeof(VNode)*4);

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alg.vertices=(VNode *)malloc(sizeof(VNode)*4);

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