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<<endl;   Compare<float> cmp2(45.78,93.6);   cout<<cmp2.max()<<" is the Maximum of two float numbers."<<endl;   cout<<cmp2.min()<<" is the Minimum of two float numbers."<<endl<<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;   return 0;}