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149. Max Points on a Line (Array; Greedy)
Givennpoints on a 2D plane, find the maximum number of points that lie on the same straight line.思路:对于某一点来说,在经过该点的直线中选取节点数量最多的直线;对于全局来说,必定是某个局部点满足条件的直...
分类:其他好文   时间:2015-10-30 20:35:54    阅读次数:289
Intersecting Lines(wa wa wa)
Intersecting LinesTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 12844Accepted: 5703DescriptionWe all know that a pair of distinct points on...
分类:其他好文   时间:2015-10-30 12:40:22    阅读次数:163
Tanimoto Coefficient
Tanimoto CoefficientTheTanimoto coefficientbetween two points,aandb, withkdimensions is calculated as:The Tanimoto similarity is only applicable for a...
分类:其他好文   时间:2015-10-23 22:48:55    阅读次数:218
poj 1860 Currency Exchange
DescriptionSeveral currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and perfo...
分类:其他好文   时间:2015-10-23 16:20:09    阅读次数:225
求一条直线通过的最大点数
题目:Given n points on a 2D plane, find the maximum number of points that lie on the same straight line.分析:固定一个点,遍历其余点,期间用一个HashMap记录两点斜率和斜率次数,求出局部最大值;然...
分类:其他好文   时间:2015-10-21 12:04:46    阅读次数:144
指针的理解
指针(Pointer)是编程语言中的一个对象,利用地址,它的值直接指向(points to)存在电脑存储器中另一个地方的值。由于通过地址能找到所需的变量单元,可以说,地址指向该变量单元。因此,将地址形象化的称为"指针"。意思是通过它能找到以它为地址的内存单元。在高级语言中,指针有效地取代了在低级语言...
分类:其他好文   时间:2015-10-19 20:39:45    阅读次数:133
Articulation Points (or Cut Vertices) in a Graph
A vertex in an undirected connected graph is an articulation point (or cut vertex) iff removing it (and edges through it) disconnects the graph.Articu...
分类:其他好文   时间:2015-10-18 19:48:19    阅读次数:262
图表控件MsChart使用demo
chart 控件主要有 Titles 标题集合Chart Area图形显示区域 Series图表集合 Legends图列的集合(1)常用事件:1. Series1.Points.DataBind()绑定数据点集合,如果要在一个MSChart控件的一个绘图区(ChartArea)内添加多个不同数据源的...
分类:其他好文   时间:2015-10-18 15:32:46    阅读次数:2030
Comparison Operators and AutoBoxingUnboxing
######## Key points extracted from below ####################1. Consider the following snippet of code:Integer aa = new Integer(100);Integer bb = new ...
分类:其他好文   时间:2015-10-16 17:02:23    阅读次数:159
Overloaded Methods and AutoboxingUnboxing
################## key points extracted ###########################The rule for a method invocation that uses autoboxing/unboxing follows a two-step p...
分类:其他好文   时间:2015-10-16 16:49:42    阅读次数:224
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