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有以下程序: #inClude<stdlib.h> structNODE{ int num; structNODE*next; }; main() {StructN00E
有以下程序:
#inClude <stdlib.h>
struct NODE{
int num;
struct NODE *next;
};
main()
{ Struct N00E *p,*q,*r;
int sum;0;
p=(struct NODE *)malloc(sizeof(struct NODE));
q=(struct NODE *)malloc(sizeof(struct NODE));
r=(struct NODE *)malloc(Sizeof(struct NODE));
p->num=1;q->num=2;r->num=3;
p->next=q;q->next=r;r->next=NULL;
sum+=q->next->num;sum+=p->num;
printf("%d\n",sum);
}
执行后的输出结果是
A.3
B.4
C.5
D.6
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)