Binary object and converting string to class pro in C++

Illustrate the binary operator (-) overloading by creating an object of that class in C++ Programming

#include

 #include

/*************************************************************************///----------------------------  distance  -------------------------------///*************************************************************************/

class distance

    {

       private:

        int feet;

        float inches;

       public:

        distance()  

       {

        feet=0,inches=0.0; 

        }

        distance(int ft,float inch)  

       {

       feet=ft,inches=inch; 

       }

       distance operator -(distance);

        void get_distance();

        void show_distance()

      { 

       cout<"f - "<"'"<

       }

     };

/*************************************************************************///---------------------------  get_distance( )  ------------------------///*************************************************************************/

void distance::get_distance()

    {

       cout<<"\t Enter the feet = ";

       cin>>feet;

       cout<<"\t Enter the inches = ";

       cin>>inches;

    }

/*************************************************************************///------------------------  operator-(distance)  ----------------------///*************************************************************************/

 distance distance::operator-(distance d1)

    {

       distance r;

       r.feet = feet-d1.feet;

       r.inches =inches-d1.inches;

       if(r.inches <=0)

      {

         r.inches+=12.0;

         r.feet--;

      }

       return r;

    }

int main( )

    {

       clrscr();

       distance d_1;

       distance d_2(2,2.2);

       distance d_3;

       distance d_4;

       cout<<"\n Enter the value of d_1 : "<

       d_1.get_distance();

       d_3=d_1-d_2;

       d_4=d_1-d_2-d_3;

       cout<<"\n Value of d_1 = ";

       d_1.show_distance();

       cout<<"\n Value of d_2 = ";

       d_2.show_distance();

       cout<<"\n Value of d_3 = ";

       d_3.show_distance();

       cout<<"\n Value of d_4 = ";

       d_4.show_distance();

       getch();

       return 0;

    }

Converting string to class object in C++ Programming

#include 

#include 

#include <string.h>

class string

{

  char *p;

  int len;

  public:

    string::string()

    {}

    string::string(char *a)

    {

      len=strlen(a);

      p=newchar[len+1];

      strcpy(p,a);

    }

    void display()

    {

      cout<

    }

};

void main()

{

 clrscr();

 string s1,s2;

 char *name1="vivek";

 char *name2="patel";

 s1=string(name1);      

 s2=name2;               

 s1.display();

 cout<

 s2.display();

 getch();

 }