第1个回答 2013-03-28
#include <stdio.h>
void main()
{
char ch;
scanf("%c",&ch);
if(ch>='a'&&ch<='z')
printf("%c is alpha\n",ch); //小写
else if(ch>='A'&&ch<='Z')
printf("%c is numeric\n",ch); //大写
else if(ch>='0'&&ch<='9')
printf("%c is numeric\n",ch); //数字
else
printf("%c is other\n",ch); //其他
}