C/C++ Program to calculate square of a given number

//Program to calculate square of a given number
#include<iostream>
using namespace std;
int main()
{
    double n,square;
    cout<<"\n Enter a number to find its square:";
    cin>>n;
    square=n*n;
    cout<<"\n\t"<<n<<"^2"<<" = "<<square;
    cout<<endl;
return 0;
}