题解 | #判断是不是字母#

#include <stdio.h>

int main() {
    char a;//定义字符用char
    while (scanf("%c", &a) != EOF)//占位符相应改为%c
     { 
        getchar();//用来将字符长做统计，从而作比较，如ASC2型码
22
        if((a>='a'&&a<='z')||(a>='A'&&a<='Z'))
        printf("%c is an alphabet.\n",a );

        else
         printf("%c is not an alphabet.\n",a);
        
    }
    return 0;
}