摘要: 2A #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a); i <= (b); i ++) #define fro(i, a, b) for (int i = (a); i >= b; 阅读全文
posted @ 2025-09-02 20:10 はなこくん 阅读(11) 评论(0) 推荐(0)