Question link: http://poj.org/problem? Id = 2528
Type: Line Segment tree + discretization.
Author: kuangbin.
For more information, see writed by kuangbin (blog www.cnblogs.com/kuangbin)
I had a hard time on this topic for a day, mainly discretization, and I was not very skilled at just getting in touch with the line tree.
Now I understand discretization.
The general idea Of discretization: for example, to give you a set of data 1 4 1000 100000, If you directlyOpening a line segm
Mayor ' s Posters
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 49385
Accepted: 14304
DescriptionThe citizens of Bytetown, AB, could not stand then the candidates in the mayoral election campaign has been placing their Electoral posters at all places at their whim. The city council have finally decided to build a electoral wall for
Mayor ' s PostersTime limit:1000MS Memory Limit:65536KB 64bit IO Format:%i64d %i64 U SubmitStatusPracticePOJ 2528DescriptionThe citizens of Bytetown, AB, could not stand then the candidates in the mayoral election campaign has been placing their Electoral posters at all places at their whim. The city council have finally decided to build a electoral wall for placing the posters and introduce the followin
Mayor ' s Posters
time Limit: 1000ms
memory Limit: 65536k
total submissions: 49767
accepted: 14434
DescriptionThe citizens of Bytetown, AB, could not stand then the candidates in the mayoral election campaign has been placing their Electoral posters at all places at their whim. The city council have finally decided to build a electora
Solution report
Address Portal
Question:
Several posters can be seen after being covered.
Ideas:
The first question of discretization.
Discretization means that the interval is compressed and then mapped.
Here are several intervals [], [], [], [], []
After sorting the left and right coordinates of the interval
1, 3, 4, 5, 6, 9, 10;
1, 2, 3, 4, 5, 6, 7, 8;
We can map the preceding range to [], [], [], [];
This saves a lot of space.
Color the line segme
Mayor's posters
Time limit:1000 ms
Memory limit:65536 K
Total submissions:42808
Accepted:12481
DescriptionThe citizens of bytetown, AB, cocould not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. the city councel has finally decided to build an electoral wall for placing the
Mayor ' s Posters
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 54067
Accepted: 15713
DescriptionThe citizens of Bytetown, AB, could not stand then the candidates in the mayoral election campaign has been placing their Electoral posters at all places at their whim. The city council have finally decided to build a electoral wall for
Mayor ' s Posters
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 45703
Accepted: 13239
DescriptionThe citizens of Bytetown, AB, could not stand then the candidates in the mayoral election campaign has been placing their Electoral posters at all places at their whim. The city council have finally decided to build a electoral wall for
The design of food posters is more exquisite, because good visual effects can attract people's attention. The following tutorial describes how to design a poster with visual impact. However, some artistic skills are required during production, and some elements need to be painted by mouse. Source: China tutorial network author: Xiao Chunfeng
The design of food posters is more exquisite, because good visual
This article mainly for you to share is how to use PHP to generate promotional posters of the method and several sample code, the need for small partners can refer to the next!
Often there is the need to generate promotional posters, including the specified QR code, to share someone else to scan the code to determine the user referral relationship.
Careful analysis, the necessary elements of the promotion
Title Link: http://poj.org/problem?id=2528Test instructions: There are n Zhang Hai newspaper to paste, each need to use the interval for L to R, the back can be affixed to the top before, that is, before the block, we can see a few posters at the end;We can deal with it backwards, because we can see the last post, if the interval has been affixed to the result is not added, not posted on the +1 and marked;Because the data range is too large, use the l
Topic PortalTest instructions: Put a poster on one wall, in order, and ask how many different posters are in the end (those that are not covered or just partially covered)Analysis: This data range is very large, directly engaged in time-out + hyper-memory, need discretization: discretization is simply to take the values we need to use, such as interval [1000,2000],[1990,2012] We do not use [-∞,999][1001,1989][ 1991,1999][2001,2011][2013,+∞] These valu
Today, we will share with you how to synthesize movie posters generated by PS to form a butterfly. The movie posters produced by the tutorials are very beautiful and difficult. It is worth learning and recommended to the footfall House, for more information, see this article!Material link: http://pan.baidu.com/s/1slbBTHNAt the end of the tutorial, the above is the movie poster tutorial of PS synthesis and b
Visual Studio keyboard shortcut cut posters Other 'Cheat sheet' links
Tim HeuerBlogged this morning about some Visual Studio shortcut 'posters' that are available from Microsoft as PDF, And I thought they 'd be worth a mention in case anyone doesn' t watch his blog:
Visual Basic 2005 keyboard shortcut cut reference poster
Visual C #2005 keyboard shortcut cut reference poster
Both are available in col
Link: HDU 3265 posters
Given n rectangles, which are special, are all removed and the last Covered Area of the image is asked.
Solution: At the beginning, I thought it would be better to directly scan the line. One was added and the other was reduced, but I couldn't run the samples after writing, I still do not have a deep understanding of the scanning line, because the scanning line does not have a Pushdown operation, because it must have a reduct
address: http://poj.org/problem? Id = 2528
/* Author: bob lee2012.9.28 ======================================== =================================== question: posters are pasted on the walls, which can be covered by each other, at the end of the question, you can see several posters ============================================= ==================================== train of thought: line Segment tree, but th
Label: style blog http OS 2014 problem log TT Images
Recently, due to many things, I have been busy planning various activities. My school club and Kingsoft club both organized PS training and asked me to hand in some posters, be familiar with PS cs6.
For the Singles' Day stand-alone poster made yesterday, the most basic tools such as brushes were slightly used.
This is the first draft. I have not loaded any font, so I have used the young circle
POJ 2528 Mayor's posters (discretization line segment tree), pojposters
DescriptionThe citizens of Bytetown, AB, cocould not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. the city councel has finally decided to build an electoral wall for placing the posters and introduce the foll
PostersTime limit: 1000ms memory limit: 128000kb64 bit integer: Java class Name: Previous question submit run result statistics Discussion Edition next topic descriptionThe citizens of Bytetown, AB, could not stand then the candidates in the mayoral election campaign has been placing their Electoral posters at all places at their whim. The city council have finally decided to build a electoral wall for placing the
Mayor ' s PostersDescriptionThe citizens of Bytetown, AB, could not stand then the candidates in the mayoral election campaign has been placing their Electoral posters at all places at their whim. The city council have finally decided to build a electoral wall for placing the posters and introduce the following rules:
Every candidate can place exactly one poster on the wall.
All
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