题解 | #判断是不是字母#

#include<stdio.h>
int main(){
    char c = 0;
    while(scanf("%c",&c) != EOF)
    {
        getchar();//消耗换行符
      if((c>='A'&&c<='Z')||(c>='a'&&c<='z')) 
          printf("%c is an alphabet.\n",c);
     else
          printf("%c is not an alphabet.\n",c);
    };
    return 0;
}