题解 | #判断字母#
判断字母
https://www.nowcoder.com/practice/44d2d63103664913bc243d3836b4f341
#include<stdio.h>
int main(void)
{
char a = getchar();
if( a >= 65 && a <= 90 || a >= 97 && a <= 122 )
{
printf("YES");
}
else
{
printf("NO");
}
return 0;
}