题解 | #判断字母#
判断字母
https://www.nowcoder.com/practice/44d2d63103664913bc243d3836b4f341
#include <stdio.h>
int main()
{
int ch = 0;
while((ch=getchar())!=EOF)
{
if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))
{
printf("YES\n");
}
else
{
printf("NO");
}
getchar();//处理\n
}
return 0;
}
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