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=0; while(scanf("%c",&ch)!=EOF) if(ch!='\n') { { if('a'<=ch&&ch<='z') { printf("%c is an alphabet.\n",ch); } else if('A'<=ch&&ch<='Z') { printf("%c is an alphabet.\n",ch); } else { { printf("%c is not an alphabet.\n",ch); } } } } return 0; }