Construction of Primitives in Open Cascade eryar@163.com 一.创建基本图元 Making Primitives 将用到如下的类创建基本图元,包括长方体(Box).楔形体(Wedge).旋转体(Revol)等.这些类提供Shell和Solid函数来返回实体(solid)和壳(shell). 使用方法都是调用这些类的构造函数,输入相应的参数,直接构造出基本图元.构造函数的参数不同,创建的基本几何实体的形状也会不同. 注:所有旋转体的角度值都是弧…
E_GEOMETRY_AMBIGUOUSPARTTYPE - Static variable in interface com.esri.arcgis.geometry.esriGeometryError (0x8004024c) The operation would result in the creation of a new part, but the type of part to be created was ambiguous. E_GEOMETRY_AUTHORITY_TOO_L…
The E-pang Palace Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 4547 Accepted Submission(s): 2403 Problem Description E-pang Palace was built in Qin dynasty by Emperor Qin Shihuang in Xia…
Tree Construction Problem's Link ---------------------------------------------------------------------------- Mean: 给定n个数,按照构造Binary Search Tree的方式来构造BST树,按顺序输出每一个非root结点的父节点的值. analyse: 构造BST树最坏情况下时间复杂度为O(n),肯定会超时. 注意到只需要输出结点的父节点的值,不需要真的构造BST树. 插到第i…
题目描述 在平面上有 n 个点(n <= 50),每个点用一对整数坐标表示.例如:当 n=4 时,4个点的坐标分另为:p1(1,1),p2(2,2),p3(3,6),P4(0,7),见图一. 这些点可以用 k 个矩形(1<=k<=4)全部覆盖,矩形的边平行于坐标轴.当 k=2 时,可用如图二的两个矩形 sl,s2 覆盖,s1,s2 面积和为 4.问题是当 n 个点坐标和 k 给出后,怎样才能使得覆盖所有点的 k 个矩形的面积之和为最小呢.约定:覆盖一个点的矩形面积为 0:覆盖平行于坐标轴…
题目链接: 传送门 Graph Construction Time Limit: 3000MS Memory Limit: 65536K Description Graph is a collection of edges E and vertices V. Graph has a wide variety of applications in computer. There are different ways to represent graph in computer. It can…
题目 Source https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4261 Description You are working for the International Company for Pool Construction, a construction company which specializes in buildin…
CodeForces 140A New Year Table Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Description Gerald is setting the New Year table. The table has the form of a circle; its radius equals R. Gerald invited many guests and is…
[construction of tuples containing 0 or 1 items] the syntax has some extra quirks to accommodate these. Empty tuples are constructed by an empty pair of parentheses; a tuple with one item is constructed by following a value with a comma (it is not su…
WisKey的眼神 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2059 Accepted Submission(s): 625 Problem Description WisKey的眼镜有500多度,所以眼神不大好,而且他有个习惯,就是走路喜欢看着地(不是为了拣钱哦^_^),所以大家下次碰见他的时候最好主动打下招呼,呵呵.但是…
Description In order to build a ship to travel to Eindhoven, The Netherlands, various sheet metal parts have to be cut from rectangular pieces of sheet metal. Each part is a convex polygon with at most 8 vertices. Each rectangular piece of sheet meta…
Problem A Communist regime is trying to redistribute wealth in a village. They have have decided to sit everyone around a circular table. First, everyone has converted all of their properties to coins of equal value, such that the total number of coi…
Description During the programming classes Vasya was assigned a difficult problem. However, he doesn't know how to code and was unable to find the solution in the Internet, so he asks you to help. You are given a sequence a, consisting of ndistinct i…
HDU 5813 Elegant Construction(优雅建造) Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Description 题目描述 Being an ACMer requires knowledge in many fields, because problems in this contest may use physics, biology, and…
FJNU 1151 Fat Brother And Geometry(胖哥与几何) Time Limit: 1000MS Memory Limit: 257792K [Description] [题目描述] Fat brother enrolled in computer graphics, recently teacher arranged a job: given two straight lines and a circle, judge if the round is between…