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 = 0; while (scanf("%c\n", &ch) != 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); } } return 0; }