题目内容
下列程序的输出结果是________。#include#includestruct NODE{ int num;struct NODE *next;};int main(void){ struct NODE *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);return 0;}
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