摘要: #include<bits/stdc++.h> using namespace std; const int maxn = 1e5+5; const int INF = 1e9; struct node{ node *ch[2]; int val,size; node(int v=0,int siz 阅读全文
posted @ 2021-02-17 10:38 _Famiglistimo 阅读(82) 评论(0) 推荐(0) 编辑