题解 | #判断是不是字母#

#include <stdio.h>
int main()
{
    char ch=0;
    while(scanf("%c",&ch)!=EOF)
    {
        getchar();
        if(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z')
        {
            printf("%c is an alphabet.\n",ch);
        }
        else {
        printf("%c is not an alphabet.\n",ch);
        }
    }
    return 0;
}