链接https://vjudge.net/contest/66989#problem/F 坑爹的线段树,一直用区间更新做,做了半天一点眉目都没有,只好搜题解,感觉好堕落,经常不会做就搜题解,以后一定要慢慢克服 #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; #define ll long long #define ls…
//线段树区间覆盖 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> using namespace std; ; int flag; struct node{ int l,r; //vis 是这块区域是否完全被覆盖 bool vis; }tr[N<<]; struct point { int id; int x; }post[N<<];…
The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. The city council has finally decided to build an electoral wall for placing the…
Problem Description In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several consecutive metallic sticks which are of the same length. Now Pudge wants to do some operations on t…
题目链接 http://poj.org/problem?id=2528 Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. The city council has finally dec…
