题解 c++无注释

#include<bits/stdc++.h>
using namespace std;
char n;
int main()
{
    cin>>n;
    if(n<='Z'&&n>='A')
        cout<<"A";
    else if(n<='z'&&n>='a')
        cout<<"a";
    else if(n>='0'&&n<='9')
        cout<<"0";
    else
        cout<<"other";
    return 0;
}