// LinkTable.cpp : Defines the entry point for the console application.
// 程序运行，用户输入学生数，根据用户输入学生数，动态创建链表，提示输入学生
// 姓名、成绩，最后输出所有学生数据以及平均成绩
#include "stdafx.h"
#include
#include
struct Student{char name[30];int  score;struct Student *p_next;
};
int main(int argc, char* argv[])
{int i,n;char c,t;struct Student* pHead = NULL;struct Student* pLast = NULL; i = 0;while(1){printf("输入学生信息，请按 y ，其它键退出...\n"); c = getchar(); if(!(c == 'y' || c == 'Y')) // 输入不是 y 或 Y ，退出break;struct Student* pCurr = (struct Student*)malloc(sizeof(struct Student));printf("请输入学生 %d 姓名:",i+1);scanf("%s",pCurr->name);printf("请输入学生%d成绩:",i+1);scanf("%d",&pCurr->score);pCurr->p_next = NULL; // 很重要，用于判断是否为最后一个节点 if(i == 0){pHead = pCurr;pLast = pCurr;}else{pLast->p_next = pCurr;pLast = pCurr;}i ++;// 清空键盘缓冲区while((t = getchar()) != '\n' && t != EOF);}// 链表遍历（访问每个节点一次）pLast = pHead;i = 1;n = 0;int sum = 0;while(pLast){n++;printf("学生 %d 姓名：%s 成绩：%d\n",i,pLast->name,pLast->score);sum += pLast->score;pLast = pLast->p_next; // 指针指向下一个节点  i++;}double avg = sum/(double)n;printf("平均成绩 = %lf\n",avg);// 释放内存 while(pHead){pLast = pHead->p_next;free(pHead);pHead = pLast;}return 0;
}