1 #include<stdio.h>
2 #include<string.h>
3 #include<stdlib.h>
4 #include<malloc.h>
5 #define N 3
6 #define LEN sizeof(struct grade)
7 struct grade
8 {
9 char no[7];
10 int score;
11 struct grade *next;
12 };
13 struct grade *create(void)
14 {
15
16 struct grade *head=NULL,*new,*tail;
17 int i ;
18 for( i=1;i<=N;i++)
19 {
20
21 new=(struct grade*)malloc(LEN);
22 printf("please int no\n");
23 scanf("%s",new->no);
24 if(strcmp(new->no,"000000")==0)
25 {
26 free(new);
27 break;
28 }
29 printf("please int score\n");
30 scanf("%d",&new->score);
31 new->next=NULL;
32 if(i==1) head=new;
33 else tail->next=new;
34 tail=new;
35 }
36 return head;
37
38 }
39 main()
40 {
41
42 struct grade *p;
43 int i;
44 p=create();
45 if(p!=NULL)
46
47
48 for(i=1;i<=N;i++)
49 {
50 printf("%s:%d\n",p->no,p->score);
51 p=p->next;
52 }
53 free(p);
54 }
