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…
//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<<];…
任意门:http://poj.org/problem?id=2528 Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 77814 Accepted: 22404 Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign hav…
http://poj.org/problem?id=2528 https://www.luogu.org/problem/UVA10587 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…
Time limit 1000 ms Memory limit 65536 kB 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 finall…
Mayor's posters Time Limit: 1000MS Memory Limit: 65536K 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 cit…
Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 59239 Accepted: 17157 Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral post…
Mayor's posters Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 2528 Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been plac…
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…
题意:给你一些区间操作,让你输出最后得出的区间. 解法:区间操作的经典题,借鉴了网上的倍增算法,每次将区间乘以2,然后根据区间开闭情况做微调,这样可以有效处理开闭区间问题. 线段树维护两个值: cov 和 rev ,一个是覆盖标记,0表示此区间被0覆盖,1表示被1覆盖,-1表示未被覆盖, rev为反转标记,rev = 1表示反转,0表示不翻转 所以集合操作可以化为如下区间操作: U l r: 把区间[l,r]覆盖成1I l r: 把[0,l)(r,MAX]覆盖成0 D l r: …
Balanced Lineup Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 34140 Accepted: 16044 Case Time Limit: 2000MS Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer Joh…
Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 54067 Accepted: 15713 Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral post…
Balanced Lineup Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 62103 Accepted: 29005 Case Time Limit: 2000MS Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John de…
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…
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: 传送门 Mayor's posters Time Limit: 1000MS Memory Limit: 65536K 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…
Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 45703 Accepted: 13239 Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral post…
