#include<iostream> using namespace std; class point{ private: int x; int y; public: point() {} point(int x,int y):x(x),y(y){} void setpoint(int x,int y) { this->x = x; this->y = y; } point operator +(point &c) { point temp; temp.x = x + c.x; temp.y = y + c.y; return temp; } void display(...
