#include <bits/stdc++.h> std::string s, a, b; int k; void solve(char flag) { if (isalpha(flag)) return; char c = s[s.size() - ++k]; solve(c); b = c + b; solve(c); a = c + a; } signed main() { std::cin >> s;
专注分享技术,共同学习,共同进步。侵权联系[81616952@qq.com]
Copyright (C)ICode9.com, All Rights Reserved.
ICode9版权所有