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- #include <stdio.h>
- #include <malloc.h>
- #include <stdlib.h>
- #define LEN sizeof(struct student)
- struct student
- {
- int num;
- float score;
- struct student *next;
- };
- int n;
- int main(void)
- {
-
- struct student *creat(void); //声明建立链表的函数
- void print(struct student *); //声明输出链表的函数
- struct student *head;
- head = creat(); //调用create函数
- print(head); //调用print函数
- system("pause");
- return 0;
- }
- struct student *creat(void) //定义建立链表的函数
- {
- struct student *head = NULL, *p1 = NULL, *p2 = NULL;
- p1 = p2 = (struct student *)malloc(LEN);
- printf("please input the num : ");
- scanf("%d", &(p1 -> num) );
- printf("please input score : ");
- scanf("%f", &(p1 -> score));
- n = 0;
- while (0 != p1 -> num)
- {
- n++;
- if (1 == n)
- {
- head = p1;
- }
- else
- {
- p2->next = p1;
- }
- p2 = p1;
- p1 = (struct student *)malloc(LEN);
- printf("please input the num : ");
- scanf("%d", &(p1->num));
- printf("please input score : ");
- scanf("%f", &(p1->score));
- }
- p2->next = NULL;
- return head;
- }
- void print(struct student *head) //定义输出链表的函数
- {
- struct student *p;
- p = head;
- while (0 != p -> num)
- {
- printf("成员%d的分数为%f\n", p -> num, p -> score);
- p = p->next;
- }
- }
复制代码
先放上代码
每次输出完数据后,都会跳出,是哪里出问题了吗?
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