3-12

 #include <iostream>
using namespace std;
template<class numtype>
class Compare
{
 public:
	 Compare(numtype a,numtype b);
	 numtype max();
	 numtype min();
 private:
	 numtype x,y;
};
template<class numtype>
Compare<numtype>::Compare(numtype a,numtype b)
{
 x=a;
 y=b;
}
template<class numtype>
numtype Compare<numtype>::max()
{
	return (x>y)?x:y;
}
template<class numtype>
numtype Compare<numtype>::min()
{
    return (x<y)?x:y;
}
int main()
{
Compare<int> cmp1(3,7);
cout<<cmp1.max()<<"is the Maximum of two integer numbers."<<endl;
cout<<cmp1.min()<<"is the Minimum of two integer numbers."<<endl;
Compare<float> cmp2(45.78,93.6);
cout<<cmp2.max()<<"is the Maximum of two integer numbers."<<endl;
cout<<cmp2.min()<<"is the Minimum of two integer numbers."<<endl;
Compare<char> cmp3('a','A');
cout<<cmp3.max()<<"is the Maximum of two characters."<<endl;
cout<<cmp3.min()<<"is the Minimum of two characters."<<endl;

}