题解 | #判断字母#
判断字母
https://www.nowcoder.com/practice/44d2d63103664913bc243d3836b4f341
#include <stdio.h>
int main()
{
char letter = 0;
scanf("%c", &letter);
//判断字符的ASCII码值是否位于大写区间和小写区间
if((letter >= 65 && letter <= 90) || (letter >= 97 && letter <= 122))
{
printf("YES\n");
}
else
{
printf("NO\n");
}
return 0;
}
