摘要: lgP4178 Tree 题意: sol.点分治板子题 #include<bits/stdc++.h> #define MAXN 50005 #define INF 0x3f3f3f3f using namespace std; int n,K,h[MAXN],tot; struct node{in 阅读全文
posted @ 2021-10-30 16:29 After_rain 阅读(90) 评论(1) 推荐(0)