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#define N 5 |
/*creat a list*/ #include "stdlib.h" #include "stdio.h" struct list { int data; struct list *next; }; typedef struct list node; typedef node *link; void main() { link ptr,head; int num,i; ptr=(link)malloc(sizeof(node)); ptr=head; printf("please input 5 numbers==>\n"); for(i=0;i<=4;i++) { scanf("%d",&num); ptr->data=num; ptr->next=(link)malloc(sizeof(node)); if(i==4) ptr->next=NULL; else ptr=ptr->next; } ptr=head; while(ptr!=NULL) { printf("The value is ==>%d\n",ptr->data); tr=ptr->next; } } |
/*reverse output a list*/ #include "stdlib.h" #include "stdio.h" struct list { int data; struct list *next; }; typedef struct list node; typedef node *link; void main() { link ptr,head,tail; int num,i; tail=(link)malloc(sizeof(node)); tail->next=NULL; ptr=tail; printf("\nplease input 5 data==>\n"); for(i=0;i<=4;i++) { scanf("%d",&num); ptr->data=num; head=(link)malloc(sizeof(node)); head->next=ptr; ptr=head; } ptr=ptr->next; while(ptr!=NULL) { printf("The value is ==>%d\n",ptr->data); ptr=ptr->next; } } |
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