63: Write a program in C++ to find the factorial of a number using for and while loop

// Write a program in C++ to find the factorial of a number. Go to the editor

//     Sample output:

//     Input a number to find the factorial: 5

//     The factorial of the given number is: 120

//     **************************************************************************************************

#include <iostream>

using namespace std;

int main()

{

    int num;

    cout << "\nInput a number to find factorial of: ";

    cin >> num;

    cout << "\n*****************************************************************\n\n";

    int a=1;

    for (int i = 1; i <= num; i++)

    {

        a=a*i;

    }

    cout << "The factorial of " << num << " is: " << a << endl;

    cout << "\n*****************************************************************\n\n";

    int b=1, j=1;

    while (j<=num)

    {

        b=b*j;

        j++;

    }

    cout << "The factorial of " << num << " is: " << b << endl;

    cout << "\n*****************************************************************\n\n";

    return 0;

}