#include<iostream.h>

get2values(int &a, int &b);
get2values(double &a, double&b);
print2values(const int&, const int&);
print2values(const double&, const double&);

template<class dataType>
swap(dataType& , dataType&);


main()

{
double db1, db2;
int    int1, int2;

cout<<"get 2 values....."<<endl;
get2values(db1,db2);
get2values (int1, int2);

cout<<"before swaping"<<endl;
print2values(db1, db2);
print2values(int1, int2);



//----swap----
swap(db1, db2);
swap (int1, int2);
cout<<"after swaping"<<endl;
print2values(db1, db2);
print2values(int1, int2);

return 0;

}
//----functions------
get2values(int &a, int &b)
{
cout<<"enter 2 int's"<<endl;
cin>>a>>b;
return 0;
}

get2values(double &a, double &b)
{
cout<<"enter 2 floats"<<endl;
cin>>a>>b;

}

print2values(const int& a, const int& b)
{
cout<<"a = "<<a<<" -- "<<"b = "<<b<<endl;
return 0;
}

print2values(const double& a, const double& b)
{
cout<<"a = "<<a<<" -- "<<"b = "<<b<<endl;
return 0;
}

template<class dataType>
swap(dataType& a, dataType &b)
{
dataType temp=a;
a=b;
b=temp;
 return 0;

}