Vector Class Implementation using C++ Programming Example Code


Online Practice Problem  Vector Class Implementation  using  C++ Programming  Example Code For  Assignment  lab Homework task 
#include <cstdlib>
#include <iostream>
#include <string>
using namespace std;

class Vector
{
private:
int x,y,z;
public:
Vector (int,int,int);
Vector ();
friend Vector operator+ (const Vector &n1, const Vector &n2);
    friend Vector operator-(const Vector &n1, const Vector &n2);
    friend Vector operator-(const Vector &n1);
    void show();
};
;
Vector::Vector(int a,int b,int c)
{
   x=a;
   y=b;
   z=c;  
     
}
Vector::Vector()
{
   x=0;
   y=0;
   z=0;
     
}
Vector operator +(const Vector &n1, const Vector &n2)  //Addition
{
Vector res;
res.x = n1.x + n2.x;
res.y = n1.y + n2.y;
res.z = n1.z + n2.z;
return res;
}

Vector operator -(const Vector &n1, const Vector &n2) //Subtraction
{
Vector res;
res.x = n1.x - n2.x;
res.y = n1.y - n2.y;
res.z = n1.z - n2.z;
return res;
}
Vector operator -(const Vector &n1) //Subtraction
{
Vector res;
res.x = -n1.x ;
res.y = -n1.y;
res.z = -n1.z;
return res;
}
void Vector::show()  //Subtraction
{
cout<< x<<"|"<<y<<"|"<<z;
}
///////////////////////////////////////////////////////////////////////////////////
int main()
{
    Vector v1(1,2,3);
    Vector v2(1,2,3);
    Vector v3;
    v3=v1+v2;
    v3=-v1;
    v3.show();

  system("pause");
}