题解 | #判断字母#
判断字母
http://www.nowcoder.com/practice/44d2d63103664913bc243d3836b4f341
#include<bits/stdc++.h>
using namespace std;
int main(){
char n;
cin>>n;
if(n>='a' && n<='z') cout<<"YES";
else if(n>='A' && n<='Z') cout<<"YES";
else cout<<"NO";
return 0;
}
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