#include "stdafx.h"

#include "stdio.h"
int main(int argc, char* argv[])
{
    char a[80]={'\0'};
    char *p=a;
    char *q=a;
    printf("input a string:\n");
    gets(q);

    while(*q!='\0')
    {
          q++;
        
    }
     q--;//这一句q--是代表什么意思啊，为什么不再循环里面使用？
    while(p<q)
          if(*p!=*q)
              break;
          else
          {
              p++;
              q--;
          }
          if(p<q)
              printf("\"%s\"is not a palindromic string.\n",a);
          else
              printf("\"%s\"is a palindromic string.\n",a);
    return 0;
}