FInd the max area. 1. 三分法 2. NAN (not comparable with number) http://acm.timus.ru/problem.aspx?space=1&num=1874 #include <iostream> #include <algorithm> #include <cstdio> #include <cmath> using namespace std; #define EPS 1e-9 /…

#include <cstdio> #include <cstring> #include <cmath> #include <algorithm> using namespace std; ; double getarea(double a,double b,double c) { double p=(a+b+c)/2.0; +sqrt(p*(p-a)*(p-b)*(p-c))); } int main() { double x,y; scanf(&quo…

Method结构体是啥? 在Dalvik虚拟机内部,每个Java方法都有一个对应的Method结构体,虚拟机根据此结构体获取方法的所有信息. Method结构体是怎样定义的? 此结构体在不同的android版本稍有变化,但是结构体前面比较重要的一部分(从clazz到nativeFunc)完全没有变化.以下是android4.4.2_r2的Method结构体定义(位于/dalvik/vm/oo/Object.h). /* * A method. We create one of these for…

A method for browsing Internet of things (IoT) and an apparatus using the same are provided. In the method for browsing IoT, when a mobile device executes a browser, the browser receives information on IoT devices and displays the IoT devices on a ma…

Since my other answer (animating two levels of masks) has some graphics glitches, I decided to try redrawing the path on every frame of animation. So first let's write a CALayer subclass that's like CAShapeLayer, but just draws an arrow. I originally…

1. matlab函数bwareaopen──删除小面积对象格式:BW2 = bwareaopen(BW,P,conn)作用:删除二值图像BW中面积小于P的对象,默认情况下使用8邻域.算法:(1)Determine the connected components.  L = bwlabeln(BW, conn);(2)Compute the area of each component.  S = regionprops(L, 'Area');(3)Remove small objects. …

matlab函数_连通区域 1. matlab函数bwareaopen──删除小面积对象格式:BW2 = bwareaopen(BW,P,conn)作用:删除二值图像BW中面积小于P的对象,默认情况下使用8邻域.算法:(1)Determine the connected components.  L = bwlabeln(BW, conn);(2)Compute the area of each component.  S = regionprops(L, 'Area');(3)Remove s…

http://kafka.apache.org/protocol   具体的协议看原文,   Preliminaries Network Kafka uses a binary protocol over TCP. The protocol defines all apis as request response message pairs. All messages are size delimited and are made up of the following primitive ty…

                               p = coef[i] + (x * p);               }                           Polynomial deriv =          deriv.deg = deg - 1;                       deriv.coef[i] = (i + 1) * coef[i + 1];               }                             …

9.5 Write a method to compute all permutations of a string. LeetCode上的原题,请参加我之前的博客Permutations 全排列和Permutations II 全排列之二. 解法一: class Solution { public: vector<string> getPerms(string &s) { vector<string> res; getPermsDFS(s, , res); return…