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(线段树区间更新)hdu 1689
Just a HookTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 18759Accepted Submission(s): 9414Proble...
分类:其他好文   时间:2015-01-27 23:31:54    阅读次数:192
POJ 3468 A Simple Problem with Integers(线段树区间更新区间求和)
A Simple Problem with IntegersTime Limit: 5000MSMemory Limit: 131072KTotal Submissions: 67511Accepted: 20818Case Time Limit: 2000MSDescriptionYou have...
分类:其他好文   时间:2015-01-25 12:23:44    阅读次数:157
HDU 4614 Vases and Flowers(线段树区间更新+二分)
Problem Description   Alice is so popular that she can receive many flowers everyday. She has N vases numbered from 0 to N-1. When she receive some flowers, she will try to put them in the vases, o...
分类:其他好文   时间:2015-01-18 11:53:25    阅读次数:237
HDU 5023 A Corrupt Mayor's Performance Art(线段树区间更新)
Problem Description Corrupt governors always find ways to get dirty money. Paint something, then sell the worthless painting at a high price to someone who wants to bribe him/her on an auction, thi...
分类:其他好文   时间:2015-01-09 17:29:52    阅读次数:335
线段树 (区间更新)
就像那个大神说的,区间更新算是一个坎吧。 其实就是延迟标记。平时如果我们更新一个区间的话,从上往下都更新一遍,但是那样会很慢,所以直接给这个区间做个标记,表示有更新,那么当下一次询问或更新 这个区间的一部分时,再把这个区间标记取消,并且更新他的子集。 例题: HDU 1698 题解请单击。...
分类:其他好文   时间:2015-01-07 20:35:57    阅读次数:137
(中等) UESTC 360 Another LCIS ,线段树+区间更新。
Description: For a sequenceS1,S2,?,SN, and a pair of integers(i,j), if1≤i≤j≤NandSi#include#define max(a,b) (a>b?a:b)#define min(a,b) (a=R) { ...
分类:其他好文   时间:2015-01-02 01:15:49    阅读次数:245
(中等) POJ 1436 Horizontally Visible Segments , 线段树+区间更新。
Description There is a number of disjoint vertical line segments in the plane. We say that two segments are horizontally visible if they can be conne....
分类:其他好文   时间:2014-12-31 19:44:17    阅读次数:153
(简单) POJ 3468 A Simple Problem with Integers , 线段树+区间更新。
Description You haveNintegers,A1,A2, ... ,AN. You need to deal with two kinds of operations. One type of operation is to add some given number to eac....
分类:其他好文   时间:2014-12-28 23:31:26    阅读次数:235
(简单) HDU 1698 Just a Hook , 线段树+区间更新。
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 cons...
分类:其他好文   时间:2014-12-28 22:01:51    阅读次数:212
hdu 5023 A Corrupt Mayor's Performance Art(线段树区间更新)
#include #include #include #include using namespace std; int tree[5001000],add[5001000]; int color[50]; int n,m; void pushup(int pos) { tree[pos]=tree[pos<<1]|tree[pos<<1|1]; //更新父节点 } void pushdown...
分类:其他好文   时间:2014-12-07 20:27:17    阅读次数:170
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