sunyutian1998的博客

http://poj.org/problem?id=1741 博客https://blog.youkuaiyun.com/qq_31759205/article/details/75579558 点分治模板题 #include <cstdio> #include <vector> #include <cstring> #include <algorithm&g...

http://codeforces.com/problemset/problem/161/D 点分治模板题 查询多少点对之间距离恰好为k #include <bits/stdc++.h> using namespace std; #define ll long long const int N=0x3f3f3f3f; struct node { int v; i...