test11_3.cpp

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
struct stud_node{
	int    num;
	char  name[20];
	int    score;
	struct  stud_node  *next;
};
int main(void)
{
	struct stud_node *head,*tail, *p;
	int num, score;
	char name[20];
	int size = sizeof(struct stud_node);
	head = tail = NULL;
	printf("Enter num,name and score:\n");
	scanf("%d", &num);
	/*建立单向链表*/
	while(num != 0){
		p = malloc(size);
		scanf("%s%d", name, &score);
		p->num = num;
		strcpy(p->name, name);
		p->score = score; 
		p->next = NULL;
		tail->next = p; 
		tail = p;
	scanf("%d", &num);
	}
	/*输出单向链表*/
	for(p = head; p->next != NULL; p = p->next){  /*调试时设置断点*/
		printf("%d %s %d\n", p->num, p->name, p->score);
	}
	return 0;
}