【思路】:递归的使用。
【AC代码】:
#include <iostream>#include <algorithm>#include <iomanip>#include <cstdio>#include <cstring>using namespace std;void fj(int n){if (1 == n){cout << char('A'-1+n);}else{fj(n-1);cout << char('A'-1+n);fj(n-1);}}int main(){//freopen("in.txt", "r", stdin);//freopen("out.txt", "w", stdout);int n = 0;cin >> n;fj(n);}
,那段岁月,无论从何种角度读你,你都完美无缺,