#include<stdio.h>
#include<stdlib.h>
#define N 9
typedef struct node{
int data;
struct node * next;
}ElemSN;
ElemSN * Createlink(int a[],int n){
int i;
ElemSN * h=NULL,* tail, * p;
for( i=0;i<N;i++) {
p=(ElemSN *)malloc(sizeof(ElemSN));
p->data =a[i];
p->next=NULL;
if(!h) //正向创建链表
h=tail=p;
else
tail=tail->next=p;
}
return h;
}
int Coundnode (ElemSN *h) {
ElemSN * p;
int cut=0;
for(p=h;p; cut++,p=p->next); //for循环遍历cnt++
return cut;
}
int main(void){
int cut;
int a[]={1,2,3,4,5,6,7,8,9};
ElemSN *head;
head=Createlink(a,9);
cut=Coundnode(head);
printf("结点个数=%d\n",cut);
}