Create two classes DM and DB which store the value of distances. DM stores distances in metres and centimetres and DB in feet and inches. Write a program that can read values for the class objects and add one object of DM with another object of DB.

/*
    Create two classes DM and DB which store the value of distances.
    DM stores distances in metres and centimetres and DB in feet and inches.
    Write a program that can read values for the class objects and
    add one object of DM with another object of DB.
*/
#include<iostream>
using namespace std;
class DB;
class DM
{
    int meter,centimeter;
    public:
        void accept()
        {
            cout<<"\n\n Enter meter and centimeter: ";
            cin>>meter>>centimeter;
        }

        void display()
        {
           cout<<"\n\n Meter: "<<meter;
           cout<<"\n Centimeter: "<<centimeter;
        }

        friend void add(DB d1,DM d2);
};

class DB
{
    int feet,inches;
    public:
        void accept()
        {
            cout<<"\n\n Enter feet and inches: ";
            cin>>feet>>inches;
        }

        void display()
        {
           cout<<"\n\n Feet: "<<feet;
           cout<<"\n Inches: "<<inches;
        }

        friend void add(DB d1,DM d2);
};

void add(DB d1,DM d2)
{
    DM d;
    int c=(d2.meter*100+d2.centimeter+d1.feet*30.48+d1.inches*2.54);
    if(c>=100)
    {
        d.meter=c/100;
        d.centimeter=c%100;
    }
    else
    {
        d.meter=0;
        d.centimeter=c;
    }
    d.display();
}

int main()
{
    DB d1;
    DM d2;

    d1.accept();
    d2.accept();

    d1.display();
    d2.display();

    cout<<"\n\n Addition of Meter-Centimeter";
    add(d1,d2);

    return 0;
}

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