#include<stdio.h>
#include<stdlib.h>
#define N 5
typedef struct node{
int data;
struct node * next;
}ElemSN;
ElemSN * Createlink(int a[],int n){
int i;
ElemSN * h=NULL, * p;
for( i=N-1;i>=0;i--) {
p=(ElemSN *)malloc(sizeof(ElemSN));
p->data=a[i];
p->next=h;
h=p;
}
return h;
}
void printlink(ElemSN * h){
ElemSN * p;
for(p=h;p;p=p->next)
printf("%d\n",p->data);
}
ElemSN * Prelink(ElemSN * h) {
ElemSN * h1=NULL, * p; //h1鏈表的頭結點
while(h){ //h爲空截止,表示鏈表已經逆置
p=h; //頭結點給p
h=h->next; //頭結點後移
p->next=h1; //頭插
h1=p; //設置頭指針
}
return h1;
}
int main(void){
int a[N]={10,20,30,40,50};
ElemSN * head;
head=Createlink(a,9);
head=Prelink(head);
printlink(head);
return 0;
}