friend Point operator +(const Point& a,const Point& b); 我是新手,不懂,越详细越好.

friend Point operator +(const Point& a,const Point& b); 我是新手,不懂,越详细越好. friend istream&operator>>(istream &in,Point &p) ;friend istream&operator >>(istream &in,Point &p) ; 这里的&符号又是什么意思啊 point point point Point::Point(Point & see things from your friend's point of view高手请教下 I point out to my friend that we must admit这是什么从句 定义Point,Circle,Cylinder类.用友元求(friend)圆面积,圆柱体体积. X=xx,#include#includeusing namespace std;class point {public:point(int xx=0,int yy=0) {X=xx;Y=yy;}int getX() {return X;}int getY() {return Y;}friend float fdist(point &a,point &b);private:int X,Y;};float fdist(point &p1,point &p2){double x=double(p1. 求个英语作文开头A Female Friend and a Male Friend 要求Write a comparison/contrast essay of no less than 250 words.You may choose either One-side-at-a-time approach or Point-by-point approach. Make the sentences.1.your,point,nose,to(!) 2.up,please,stand(,.) 3.should,say hello to,friend,my,you(.) point for point是什么意思 friend 英语翻译I am reach on a point that you are lovely and pretty girls ,I am right?Now you and me best friend of each other. C++定义Point,Circle,Cylinder类.用友元求(friend)圆面积,圆柱体体积.一定要用友元哦,顺便带上main函数的类容 point for point英语翻译