题解 | #判断是不是字母#

#include <limits.h>
#include <stdio.h>
int  main()
{
    char a;
    while((scanf("%c",&a)!=EOF))
    {
        if(a==10)//为避免换行符的ass值进入下面的语句中
        continue;
     if(a>=97&&a<=122||a>=65&&a<=90)
     printf("%c is an alphabet.\n",a);
     else
      printf("%c is not an alphabet.\n",a);


    }
}