摘要: 防止以后复习时忘掉 #include<bits/stdc++.h> using namespace std; struct Tree { int ch[2], fa, val, size; } tree[40001]; int n, X, root; int tot, lef_root, rig_r 阅读全文
posted @ 2025-05-26 18:44 流氓兔LMT 阅读(11) 评论(0) 推荐(0)