error11_3.cpp

浙大颜晖视频课件

#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("Input num,name and score:\n");
    scanf("%d", &num);
    /*建立单向链表*/
    while(num != 0){
        p = (struct stud_node *) malloc(size);
        scanf("%s%d", name, &score);
        p->num = num;
        strcpy(p->name, name);
        p->score = score; 
        p->next=NULL;
        tail->next=p;  /*第27行*/
        tail=p;
        scanf("%d", &num);
   }
    /*输出单向链表*/
    for(p=head; p->next!=NULL; p=p->next)  /*第32行，加断点*/
        printf("%d %s %d\n", p->num,p->name,p->score);

    return 0;
}