Find factorial of a number entered by the user in C++

 #include <iostream>

#include <cmath>

using namespace std;

/*

pseudocode:

1. user enters the value

2. the factorial-> 5! - 1 x 2 x 3 x 4 x 5

so, it is the addition of that number + multiplied after, until value entered reached.

*/

// Find factorial of a number entered by the user.

int main(){

    int n = 6;

    int fact = 1;

    for(int i = 1; i <= n; i++){

        fact *= i;

    }

    return 0;

}