摘要: #include <bits/stdc++.h> using namespace std; typedef long long ll; const int SIZE = 1e5 + 5; class Treap { struct Node { int l, r; int val, dat; //节点 阅读全文
posted @ 2020-06-19 12:16 洛绫璃 阅读(215) 评论(0) 推荐(0)