#include <cmath>
#include <algorithm>
using namespace std;

int main()
{
int a, b, c, d, e, A, W, i;
    cout << "Enter Numbers a, b, c, d and e : " << endl;
    cin >> a >> b >> c >> d >> e;
    cout << "Entered number a is: " << a << endl;
  	cout << "Entered number b is: " << b << endl;
  	cout << "Entered number c is: " << c << endl;
  	cout << "Entered number d is: " << d << endl;
  	cout << "Entered number e is: " << e << endl;

int array[5] = {a, b, c, d, e};
	{
  	int smallest = array[0] ;
  	int biggest = array[0] ;
    for ( int i=1;  i < sizeof(array)/sizeof(array[0]);  ++i )
	{

        if ( array[i] < smallest )
		{
             smallest = array[i] ;
             cout << "Smallest number is: "  << smallest << '\n' << endl;
			 }

		if ( array[i] > biggest )
		{
             biggest = array[i] ;
             cout << "Biggest number is: " << biggest << '\n' << endl;
			 }
}

	A = (a+b+c+d+e)/5;
	cout << "Arithmetic Mean A is: " << A << endl;
	W = (pow((a-A),2))+(pow((b-A),2))+(pow((c-A),2)),(pow((d-A),2))+((pow((e-A),2)))/5;
	cout << "variance of the array W is: " << W << endl;

return 0;

}
}