Discription Yuuko and Nagi like to play the following game: Initially they take a checkered sheet of paper of the size of N x M cells. Then, one cell, let's call this cell (X, Y) is marked. Then, they take the moves alternately. A move consists of ma…

C. Appleman and a Sheet of Paper   Appleman has a very big sheet of paper. This sheet has a form of rectangle with dimensions 1 × n. Your task is help Appleman with folding of such a sheet. Actually, you need to perform q queries. Each query will hav…

题意: 给一纸条,两种操作: 1.将左侧长度为$x$的纸条向右翻折. 2.询问位于$[l,r]$的纸条总长度. 解法: 考虑启发式,每一次一个小纸条折叠我们可以看做是一次合并,如果我们每一次将较小的纸条并入较大的纸条. 这样对于每一个数字,包含它的纸条长度每次至少乘以2,这样每一个数字变动$logn$次. 对于一个$2x > len$过大的操作,我们可以转化为将右面的$len-x$个翻折过来,并执行一次翻转操作. 用$rev$记录是否翻转,分类讨论即可. 同时用线段树记录区间和. 这样总效率$O…

This Chapter outlines the logical steps to writing a good research paper. To achieve supreme excellence or perfection in anything you do, you need more than just the knowledge. Like the Olympic athlete aiming for the gold medal, you must have a posit…

Playing with Paper time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output One day Vasya was sitting on a not so interesting Maths lesson and making an origami from a rectangular a mm  ×  b mm she…

A. Playing with Paper One day Vasya was sitting on a not so interesting Maths lesson and making an origami from a rectangular a mm  ×  b mm sheet of paper (a > b). Usually the first step in making an origami is making a square piece of paper from the…

If a large sheet of paper is folded in half, then in half again, etc, with all the folds parallel, then opened up flat, there are a series of parallel creases, some pointing up and some down, dividing the paper into fractions of the original length.…

2541: Paper Cutting  Time Limit(Common/Java):1000MS/10000MS     Memory Limit:65536KByteTotal Submit: 1            Accepted:1 Description ACM managers need business cards to present themselves to their customers and partners. After the cards are print…

链接: https://codeforces.com/contest/1216/problem/C 题意: There is a white sheet of paper lying on a rectangle table. The sheet is a rectangle with its sides parallel to the sides of the table. If you will take a look from above and assume that the botto…

B. Print Check time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Kris works in a large company "Blake Technologies". As a best engineer of the company he was assigned a task to develop a…

January 31, 2016 Unit 1 名词和冠词 名词:n (noun)  作用:当主词.补语.受词 1.名词的种类 [单数和复数--I like dogs]   普通名词:book,pencil,dog,spaceship...etc   集合名词:class,family,audience...etcEg: 1.My family is large. #我的家庭 2.My family are all early risers. #我的家人 专有名词:Bob,Smith,April…

Assembler : The Basics In Reversing Indeed: the basics!! This is all far from complete but covers about everything you need to know about assembler to start on your reversing journey! Assembler is the start and the end of all programming languages. A…

题目链接 http://vjudge.net/contest/132391#problem/G Description standard input/outputStatements — It' s a good game, — Princess said pensively. It was clear that she was thinking about something else. — They like to play various games here in Castles Val…

Shredding Company Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 5379   Accepted: 3023 Description You have just been put in charge of developing a new shredder for the Shredding Company Although a "normal" shredder would just shre…

经过一段时间的搜索,决定把搜过的资料都汇集在此,以免重复劳动,几乎来自stackoverflow OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection Find corner of papers How to remove convexity defects in a Sudoku square? 以上是纸张检测的问题.http://en.wikipedia.org/wiki/3D_projectionwikiPedia关…

1147. Shaping Regions Time limit: 0.5 secondMemory limit: 64 MB N opaque rectangles (1 ≤ N ≤ 1000) of various colors are placed on a white sheet of paper whose size is A wide by B long. The rectangles are put with their sides parallel to the sheet's…

POJ 1416 Shredding Company Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 5231   Accepted: 2964 Description You have just been put in charge of developing a new shredder for the Shredding Company Although a "normal" shredder would…

题目链接: B. Searching Rectangles time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Filya just learned new geometry object — rectangle. He is given a field consisting of n × n unit cells. Rows ar…

Va爷的胡策题T2 E. Fairy time limit per test1.5 seconds memory limit per test256 megabytes inputstandard input outputstandard output Once upon a time there lived a good fairy A. One day a fine young man B came to her and asked to predict his future. The fa…

Booklet Printing Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 503    Accepted Submission(s): 269 Problem DescriptionWhen printing out a document, normally the first page is printed first, the…

Successful projects start with a good quality project schedule. Creating a schedule is one of the first tasks you should do when given a project to manage. There is often a temptation to get on with the work and worry about the schedule later, but th…

Shredding Company Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 4653 Accepted: 2675 Description You have just been put in charge of developing a new shredder for the Shredding Company Although a "normal" shredder would just shred sh…

Shredding Company Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 20000/10000K (Java/Other) Total Submission(s) : 8   Accepted Submission(s) : 7 Problem Description You have just been put in charge of developing a new shredder for the Shreddin…

http://www.infoq.com/articles/agile-software-architecture-sketches-NoUML If you're working in an agile software development team at the moment, take a look around at your environment. Whether it's physical or virtual, there's likely to be a story wal…

1.Link: http://poj.org/problem?id=2707 2.Content: Copier Reduction Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8315   Accepted: 4389 Description What do you do if you need to copy a 560x400mm image onto a standard sheet of US letter-…

Shredding Company DescriptionYou have just been put in charge of developing a new shredder for the Shredding Company Although a "normal" shredder would just shred sheets of paper into little pieces so that the contents would become unreadable, t…

题目英文太多,简单翻译了一下:1. For products that are wrapped in small packings it is necessary that the sheet of paper    containing the directions for use is folded until its size becomes small enough.    对于那些使用小包包裹的产品,包含所使用方向的包装纸应当折叠起来并且足够小.    2. We assume tha…

Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 3519   Accepted: 2009 Description You have just been put in charge of developing a new shredder for the Shredding Company Although a "normal" shredder would just shred sheets of paper…

KPSUM - The Sum One of your friends wrote numbers 1, 2, 3, ..., N on the sheet of paper. After that he placed signs + and - between every pair of adjacent digits alternately. Now he wants to find the value of the expression he has made. Help him. For…

Symmetry Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Description   The figure shown on the left is left-right symmetric as it is possible to fold the sheet of paper along a vertical line, drawn as a dashed line, and to cut…