题解 | #判断是不是字母#

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