C++ Tutorial: Some Lab assignments on data conversions

#include<iostream>
using std::cout;
using std::cin;
using std::endl;
class distance
{
private:
float meter;
float centimeter;
public:
distance():meter(0),centimeter(0){}
distance(float met) //for basic to userdefined data conversion
{
meter = static_cast<int>(met);
centimeter = static_cast<int>((met-meter)*100);
}
void getdata()
{
cout<<"Enter the value of Meter: ";
cin>>meter;
cout<<"Enter the value of Centimter: ";
cin>>centimeter;
}
operator float() //for user defined to basic data conversion
{
float met;
met = meter+centimeter/100;
return met;
}
void display(void)
{
cout<<"Meter: "<<meter<<"\n"<<" Centimeter: "<<centimeter;
}
};
int main()
{
distance d; //uset defined
float m; //basic
int temp;
cout<<"1. Conversion from (meters, centimeters) to meters "<<endl;
cout<<"2. Conversion from meters to (meters, centimeters) "<<endl;
cout<<"Enter the choice: ";
cin>>temp;
switch(temp)
{
case 1:
d.getdata();
m = d;
cout<<"The Distance in meter is: "<<m;
break;
case 2:
cout<<"Enter the value in Meter: ";
cin>>m;
d = m;
d.display();
break;
default:
cout<<"Enter either 1 or 2"<<endl;
cout<<"You Entered " <<temp;
break;
}
return 0;
}