C++: Templates|Function Templates

Question:1
C++ program using templates to take input for a number calculate and display its square, the number may be an int, float, or double
Sol:

#include<iostream>
#include<conio.h>
using namespace std;
template<class T>
T square(T n)
{
	T s;
	s=n*n;
	return(s);
	//or
	//return(n*n);
}

//int square(int n);
//float square(float n);
//double square(double n);

int main()
{
	int a1,a2;
	float b1,b2;
	double d1,d2;
	//clrscr();
	cout<<"Enter any number (int) ";
	cin>>a1;
	cout<<"Enter any number (float) ";
	cin>>b1;
	cout<<"Enter any number (double) ";
	cin>>d1;
	a2=square(a1);
	cout<<"square of "<<a1<<" is "<<a2<<endl;
	b2=square(b1);
	cout<<"square of "<<b1<<" is "<<b2<<endl;
	d2=square(d1);
	cout<<"square of "<<d1<<" is "<<d2<<endl;
	getch();
	return(0);
}

Question:2
C++ program using templates to take input for a number calculate and display its cube, the number may be an int, float, or double
Sol:

#include<iostream>
#include<conio.h>
using namespace std;
template<class T>
T cube(T n)
{
	T c;
	c=n*n*n;
	return(c);
	//or
	//return(n*n*n);
}

//int cube(int n);
//float cube(float n);
//double cube(double n);

int main()
{
	int a1,a2;
	float b1,b2;
	double d1,d2;
	//clrscr();
	cout<<"Enter any number (int) ";
	cin>>a1;
	cout<<"Enter any number (float) ";
	cin>>b1;
	cout<<"Enter any number (double) ";
	cin>>d1;
	a2=cube(a1);
	cout<<"cube of "<<a1<<" is "<<a2<<endl;
	b2=cube(b1);
	cout<<"cube of "<<b1<<" is "<<b2<<endl;
	d2=cube(d1);
	cout<<"cube of "<<d1<<" is "<<d2<<endl;
	getch();
	return(0);
}