Factorial Using C++

#include<iostream>
using namespace std;
int main()
{
    int num,factorial=1;

    cout<<" Enter Number To Find Its Factorial:  ";

    cin>>num;

    for(int a=1;a<=num;a++)

    {

        factorial=factorial*a;

    }
cout<<"Factorial of Given Number is ="<<factorial<<endl;
    return 0;
}

Output: