02 2022 档案

求割点
摘要：板子 #include <bits/stdc++.h> #define ll long long #define ull unsigned long long #define rep(i,a,b) for(ll i=(a);i<=(b);i++) #define dec(i,a,b) for(ll 阅读全文
posted @ 2022-02-02 12:14 DeaL57 阅读(41) 评论(0) 推荐(0)
倍增求LCA
摘要：#include <bits/stdc++.h> #define ll long long #define ull unsigned long long #define rep(i,a,b) for(ll i=(a);i<=(b);i++) #define dec(i,a,b) for(ll i=( 阅读全文
posted @ 2022-02-01 21:00 DeaL57 阅读(31) 评论(0) 推荐(0)