题解 | #判断是不是字母#

#include <stdio.h>

int main() {
    char a;
    while(scanf("%c",&a)==1)//吸收'\n'
    {
        getchar();
        if(a>='A'&&a<='z'&&a!='\n')
        {
            printf("%c is an alphabet.\n",a);
        }
        else
        {
        printf("%c is not an alphabet.\n",a);
        }    
    } 
    return 0;
}