同swustoj 169 Interior Points of Lattice Polygons Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 229 Accepted: 152 Description A lattice point is a point with integer coordinates. A lattice polygon is a polygon with all vertices lattic…
题目链接:POJ 3805 Problem Description Numbers of black and white points are placed on a plane. Let's imagine that a straight line of infinite length is drawn on the plane. When the line does not meet any of the points, the line divides these points into t…
Hay Points Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5735 Accepted: 3695 Description Each employee of a bureaucracy has a job description - a few paragraphs that describe the responsibilities of the job. The employee's job descri…
2464 -- Brownie Points II Problem - 1156 hdu分类线段树的题.题意是,给出一堆点的位置,stan和ollie玩游戏,stan通过其中一个点画垂线,ollie通过在垂线上的点画一条平行线.他们的得分是stan在一三象限中有多少点,ollie在二四象限中共有多少点.在平行线和垂线的点不算任何人的. 开始的时候以为暴力二维线段树,结果发现点的数目也太庞大了.后来想了一想,只是统计这么几个区域,逐个插点就可以的嘛.用一个树状数组存下y坐标中相应位置的点的个数,向…
一.题目大意 实现一个工资计算系统.工资的计算规则是:首先,给定一些关键字和对应的价值,这个相对于字典.然后给出的是求职者的描述,如果这个描述中包含关键字则加上对应的价值,总得价值就是这个求职者的工资. 二.题解 实现很简单,把关键字和价值用一个Map先存起来,然后依次读取描述,关键字相同则加上价值量. 三.java代码 import java.util.HashMap; import java.util.Scanner; public class Main{ public static voi…
Determining if a point lies on the interior of a polygon Written by Paul Bourke November 1987 Solution 1 (2D) The following is a simple solution to the problem often encountered in computer graphics, determining whether or not a point (x,y) lies ins…
链接: http://poj.org/problem?id=1584 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=22013#problem/D A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 4475 Accepted: 1374 Description The DIY Furniture com…
链接: http://poj.org/problem?id=1584 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=22013#problem/D A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 4475 Accepted: 1374 Description The DIY Furniture com…
A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5684 Accepted: 1827 Description The DIY Furniture company specializes in assemble-it-yourself furniture kits. Typically, the pieces of wood are attached to one an…
A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 4438 Accepted: 1362 Description The DIY Furniture company specializes in assemble-it-yourself furniture kits. Typically, the pieces of wood are attached to on…
A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5456 Accepted: 1735 Description The DIY Furniture company specializes in assemble-it-yourself furniture kits. Typically, the pieces of wood are attached to on…
A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6682 Accepted: 2141 Description The DIY Furniture company specializes in assemble-it-yourself furniture kits. Typically, the pieces of wood are attached to on…
A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6238 Accepted: 1997 Description The DIY Furniture company specializes in assemble-it-yourself furniture kits. Typically, the pieces of wood are attached to on…
A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5741 Accepted: 1842 Description The DIY Furniture company specializes in assemble-it-yourself furniture kits. Typically, the pieces of wood are attached to on…
Mapbox Vector Tile Specification A specification for encoding tiled vector data. <?XML:NAMESPACE PREFIX = "[default] http://www.w3.org/2000/svg" NS = "http://www.w3.org/2000/svg" />License The text of this specification is licens…
simplestyle-spec A simple specification for styling GeoJSON data. Versions 1.1.0 Adds properties to permit styling of Polygon and LineString types. 1.0.0 Initial release: this defines only three keys and an example encoding. Implementations Authors T…
Carto documentation The following is a list of properties provided in CartoCSS that you can apply to map elements. All elements image-filters functions agg-stack-blurembossblurgraysobeledge-detectx-gradienty-gradientinvertsharpencolor-blind-protanope…
管理操作函数 AddGeometryColumn - Adds a geometry column to an existing table of attributes. By default uses type modifier to define rather than constraints. Pass in false for use_typmod to get old check constraint based behavior DropGeometryColumn - Remove…
OpenGL Programming Guide Programming Guide > Chapter 1 Chapter 1 Introduction to OpenGL Chapter Objectives After reading this chapter, you'll be able to do the following: Appreciate in general terms what OpenGL does Identify different levels of rende…
http://dev.mysql.com/worklog/task/?spm=5176.100239.blogcont4270.8.j3asa7&id=6609 前文: 这两天因为项目原因看了一下MySQL的空间索引,发现网上的资料不多,查了一下官方文档,为了强化记忆做了一个简单的翻译.基本上理解了mysql空间索引的要点.谨以此纪. Extensions for Spatial Data Open Geospatial Consortium (OGC) 是一个由超过两百五十个公司,机构,大学组…
U3-1 Here are some sets: (1) R both and (2) ∅ both and (3) (1,+∞) open set (4) [−1,0] closed set, -1 and 0 , which are not interior points, belong to the set. (5) {1,2,3} none of them is interior point. They are isolated points. And the set is discr…
-------------------------------------------------------------- Chapter 1: Introduction to Discrete Differential Geometry: The Geometry of Plane Curves . A better approximation than the tangent is the circle of curvature. . If the curve is sufficientl…
