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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.     double calculateDistFromOrigin(){
  19.         return sqrt(x*x+y*y);
  20.     }
  21. };
  22.  
  23.  
  24. class Point3D : private Point{
  25. private:
  26.     double z;
  27. public:
  28.     Point3D(double x, double y, double z): Point(x, y){
  29.         this->z=z;
  30.     }
  31.     void setVar(double x, double y, double z){
  32.         Point::setVar(x,y); ////
  33.         this->z=z;
  34.     }
  35.  
  36.     double getXDel(){return getX();}
  37.     double getYDel(){return getY();}
  38.     double getZ(){return z;}
  39.     double calculateDistFromOrigin(){
  40.         return sqrt(getX()*getX()+getY()*getY()+getZ()*getZ());
  41.     }
  42. };
  43.  
  44.  
  45. int main(){
  46.     Point3D p(1.2, 2.5, 3);
  47.     p.calculateDistFromOrigin();
  48.  
  49.     //cout<<"(x,y,z)="<<"("<<p.getX()<<","<<p.getY()<<","<<p.getZ()<<")"<<endl;
  50.     cout<<"(x,y,z)="<<"("<<p.getXDel()<<","<<p.getYDel()<<","<<p.getZ()<<")"<<endl;
  51.  
  52.     return 0;
  53. }
  54.  
Success #stdin #stdout 0s 5328KB
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stdin
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Standard input is empty
stdout
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(x,y,z)=(1.2,2.5,3)
https://ideone.com/mEFeX5
language:
C++ (gcc 8.3)
created:
50 minutes ago
visibility:
public

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