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() { int ch ; while(scanf("%c",&ch) != EOF) { getchar();//取消 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; }