You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
#include <bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
|
|
int main() {
|
|
int n;
|
|
cin>>n;
|
|
|
|
for(int i=0;i<n;i++){
|
|
cout<<char('A'+i); //这个思路很重要
|
|
cout<<char('a'+i);
|
|
}
|
|
return 0;
|
|
}
|
