题解 | #判断是不是字母#
判断是不是字母
https://www.nowcoder.com/practice/91a588dd4cd244bfa616f17603ec123c
#include <stdio.h> int main() { char ch; while((ch=getchar())!=EOF) { 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); getchar(); } return 0; }