题解 | #判断是不是字母#

#include <stdio.h>

int main() { char a = 0; while (scanf("%c", &a) != EOF) { getchar(); 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; }