//求链表长度#include<stdio.h>#include<stdlib.h>typedef struct No{ int date; No* next;} Node;Node *creat(){ Node *head=NULL,*p,*tail; int x; scanf("%d",&x); while(x!=-1){ p=(Node*)malloc(sizeof(Node)); p->date=x; p->next=NULL; if(head==NULL) tail=head=p; else{ tail->next=p; tail=p; } scanf("%d",&x); } return head;}int count(Node* head){ int sum=0; Node* p=head; while(p!=NULL){ sum++; p=p->next; } return sum;}main(){ Node *head; head=creat(); printf("%d/n",count(head)); return 0;}
