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 }
时间: 2024-11-05 06:10:18