题解 | #判断字母#
判断字母
https://www.nowcoder.com/practice/44d2d63103664913bc243d3836b4f341
#include <iostream>
using namespace std;
int main()
{
char a;
cin>>a;
if((a>=65&&a<=90)||(a>=97&&a<=122))
cout<<"YES";
else
cout<<"NO";
return 0;
}
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