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  1. #include <iostream>
  2. #include<cmath>
  3. using namespace std;
  4. class Point{
  5. private:
  6.     double x,y;
  7. public:
  8.     Point(double x, double y){
  9.         this->x=x;
  10.         this->y=y;
  11.     }
  12.     void setVar(double x, double y){
  13.         this->x=x;
  14.         this->y=y;
  15.     }
  16.     double getX(){return x;}
  17.     double getY(){return y;}
  18.     void add(Point p){
  19.         x+=p.x;
  20.         y+=p.y;
  21.     }
  22.     // double calculateDistFromOrigin(){
  23.     //     return sqrt(x*x+y*y);
  24.     // }
  25. };
  26.  
  27.  
  28. class Point3D : private Point{
  29. private:
  30.     double z;
  31. public:
  32.     Point3D(double x, double y, double z): Point(x, y){
  33.         this->z=z;
  34.     }
  35.     // void setVar(double x, double y, double z){
  36.     //     Point::setVar(x,y); ////
  37.     //     this->z=z;
  38.     // }
  39.     void setZ(double z){
  40.         this->z=z;
  41.     }
  42.  
  43.     void setVarDelegate(double x, double y){
  44.         setVar(x, y);
  45.     }
  46.  
  47.     double getXDel(){return getX();}
  48.     double getYDel(){return getY();}
  49.     double getZ(){return z;}
  50.  
  51.     void add(Point3D p){
  52.         Point::add(Point(p.getX(), p.getY()));
  53.         // Point::add(Point(p.x, p.x));
  54.         z+=p.z;
  55.     }
  56.  
  57.     // double calculateDistFromOrigin(){
  58.     //     return sqrt(getX()*getX()+getY()*getY()+getZ()*getZ());
  59.     // }
  60. };
  61.  
  62.  
  63. int main(){
  64.     Point p1(2.5, 3.2);
  65.     p1.add(Point(5.0, 5.0));
  66.  
  67.     cout<<"(x, y, z)="<<"("<<p1.getX()<<", "<<p1.getY()<<")"<<endl;
  68.  
  69.     Point3D p(1.2, 2.5, 3);
  70.     p.add(Point3D(5.0, 5.0, 5.0));
  71.  
  72.     //cout<<"(x,y,z)="<<"("<<p.getX()<<","<<p.getY()<<","<<p.getZ()<<")"<<endl;
  73.     cout<<"(x, y, z)="<<"("<<p.getXDel()<<", "<<p.getYDel()<<", "<<p.getZ()<<")"<<endl;
  74.  
  75.     return 0;
  76. }
  77.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
(x, y, z)=(7.5, 8.2)
(x, y, z)=(6.2, 7.5, 8)
https://ideone.com/8ppa9u
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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